CN213039387U - Lengthened connecting piece for blades of wind driven generator - Google Patents
Lengthened connecting piece for blades of wind driven generator Download PDFInfo
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- CN213039387U CN213039387U CN202021006277.2U CN202021006277U CN213039387U CN 213039387 U CN213039387 U CN 213039387U CN 202021006277 U CN202021006277 U CN 202021006277U CN 213039387 U CN213039387 U CN 213039387U
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- connecting sleeve
- mounting ring
- semicircular mounting
- sleeve
- bolt
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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 discloses a aerogenerator blade extension connecting piece, including a plurality of adapter sleeve subassemblies, a plurality of adapter sleeve subassemblies concatenation becomes integrative extension connecting piece, and every adapter sleeve subassembly includes connecting sleeve, spliced pole, connecting groove, and the diameter of spliced pole is less than the connecting sleeve diameter, and the spliced pole is fixed in connecting sleeve, and the connecting sleeve inner chamber is kept away from spliced pole one end and is seted up connecting groove, spliced pole and adjacent connecting groove joint, and adjacent connecting sleeve junction installs fixed subassembly, the utility model discloses structural design is novel, and structural stability is good, and convenient to detach and installation are difficult not hard up after the installation, can improve aerogenerator blade's stability.
Description
Technical Field
The utility model relates to a connecting piece technical field specifically is a aerogenerator blade extension connecting piece.
Background
In the early stage of the large-scale wind generating set technology entering China, due to the fact that the technology is new, the risk is high, and the technology is limited by the fact that the manufacturing process of the blades is immature, wind power plant developers generally adopt a conservative strategy, the blades with relatively short lengths are selected, the load brought to the set is small although the generating capacity of the short blades is small, and therefore the safety of the set is guaranteed to the maximum extent. With the development of industry, enterprises in China have more and more profound understanding on the operation load of a wind generating set, and the load can be gradually calculated more accurately, so that longer blades are gradually selected in a wind power plant with the same wind speed level, more wind energy is absorbed, and the investment power generation income is improved.
At present, the lengthened connecting piece of the wind driven generator blade has a single structure, poor overall anti-seismic performance and poor structural stability, so improvement is necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a aerogenerator blade extension connecting piece to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a wind driven generator blade lengthening connecting piece comprises a plurality of connecting sleeve assemblies;
the connecting sleeve assemblies are spliced into an integrally-formed lengthened connecting piece, each connecting sleeve assembly comprises a connecting sleeve, a connecting column and a connecting clamping groove, the diameter of each connecting column is smaller than that of each connecting sleeve, each connecting column is fixed on each connecting sleeve, one end, far away from each connecting column, of the inner cavity of each connecting sleeve is provided with the corresponding connecting clamping groove, and each connecting column is clamped with the corresponding adjacent connecting clamping groove;
the connecting sleeve assembly further comprises a sliding installation assembly, the sliding installation assembly comprises convex ribs, sliding grooves and bolt fixing grooves, the convex ribs are uniformly distributed on the inner circumferential surface of the connecting groove, the sliding grooves are formed in the outer circumferential surface of the connecting column, the convex ribs are connected with the sliding grooves in a sliding mode, the bolt fixing grooves are formed in the outer circumferential surface of the connecting column, and the bolt fixing grooves are formed between adjacent sliding grooves; the convex ribs on the connecting clamping grooves are connected with the sliding grooves on the connecting columns in a sliding mode, and therefore the adjacent connecting sleeve assemblies can be conveniently detached and installed.
Preferably, the application provides a wind driven generator blade extension connecting piece, wherein, the connecting sleeve both ends set up the cylinder neck respectively, and are adjacent fixed subassembly is installed to connecting sleeve cylinder neck junction, adopts this structure, can improve the fastness of connecting between the adjacent connecting sleeve, can prevent that not hard up phenomenon from appearing in the fixed subassembly.
Preferably, the wind driven generator blade lengthening connecting piece provided by the application comprises a fixing component and a connecting component, wherein the fixing component comprises a first semicircular mounting ring, a second semicircular mounting ring and locking bolts, first connecting pieces are symmetrically arranged at two ends of the first semicircular mounting ring, second connecting pieces are symmetrically arranged at two ends of the second semicircular mounting ring, through holes are formed in the first connecting pieces and the second connecting pieces, the locking bolts penetrate through the through holes, the first semicircular mounting ring and the second semicircular mounting ring are fixedly connected through the locking bolts, and after connection, two adjacent connecting sleeve collets are arranged between the first semicircular mounting ring and the second semicircular mounting ring; two semicircular mounting rings in the fixing assembly are locked through the locking bolts, the connection stability of two adjacent connecting sleeve assemblies can be further improved, and the overall anti-seismic performance of the lengthened connecting piece can be improved.
Preferably, the utility model provides a aerogenerator blade extension connecting piece, wherein, set up the bolt hole on the adapter sleeve, wear to establish fixing bolt in the bolt hole, spliced pole and connecting groove sliding connection back, fixing bolt's screw rod passes the bolt hole and is fixed in the bolt fixed slot.
Preferably, the aerogenerator blade extension connecting piece that this application provided still includes the strengthening rib, the strengthening rib welding is at the connecting sleeve outer wall, and the anti deformability of connecting sleeve can be improved in the setting of strengthening rib.
Preferably, the utility model provides a aerogenerator blade extension connecting piece, wherein, first semicircular mounting ring inner wall, the equal cladding rubber protection pad of second semicircular mounting ring inner wall, the rubber protection pad of setting can prevent that fixed subassembly from damaging the connection sleeve outer wall.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel structural design and good structural stability, and two adjacent connecting sleeve assemblies are convenient to disassemble and assemble and are not easy to loosen after being assembled, thereby improving the stability of the blade of the wind driven generator; in addition, the adopted fixing component can further improve the connection stability of two adjacent connecting sleeve components, and the overall anti-seismic performance of the lengthened connecting piece can be improved.
Drawings
Fig. 1 is a schematic structural view of a single connecting sleeve assembly of the present invention;
fig. 2 is a schematic diagram of a plurality of connecting sleeve assemblies according to the present invention after connection;
FIG. 3 is a side view of the connection sleeve and the connection column of the present invention;
FIG. 4 is a schematic structural view of the fixing assembly of the present invention;
in the figure: connecting sleeve 1, spliced pole 2, connecting slot 3, protruding muscle 4, spout 5, bolt fixed slot 6, barrel neck 7, fixed subassembly 8, first semicircular collar 9, the semicircular collar 10 of second, locking bolt 11, first connection piece 12, second connection piece 13, fixing bolt 14, strengthening rib 15, rubber protection pad 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; it should be noted that unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a wind driven generator blade lengthening connecting piece comprises a plurality of connecting sleeve assemblies;
the connecting sleeve assemblies are spliced into an integrally-formed lengthened connecting piece, each connecting sleeve assembly comprises a connecting sleeve 1, a connecting column 2 and a connecting clamping groove 3, the diameter of each connecting column 2 is smaller than that of each connecting sleeve 1, each connecting column 2 is fixed on each connecting sleeve 1, one end, far away from each connecting column 2, of the inner cavity of each connecting sleeve 1 is provided with one connecting clamping groove 3, and each connecting column 2 is clamped with the adjacent connecting clamping groove 3; the two ends of the connecting sleeve 1 are respectively provided with a cylinder neck 7, and a fixing component 8 is arranged at the joint of the cylinder necks 7 of the adjacent connecting sleeves 1; the fixing component 8 comprises a first semicircular mounting ring 9, a second semicircular mounting ring 10 and locking bolts 11, wherein first connecting pieces 12 are symmetrically arranged at two ends of the first semicircular mounting ring 9, second connecting pieces 13 are symmetrically arranged at two ends of the second semicircular mounting ring 10, through holes are formed in the first connecting pieces 12 and the second connecting pieces 13, the locking bolts 11 penetrate through the through holes, the first semicircular mounting ring 9 and the second semicircular mounting ring 10 are fixedly connected through the locking bolts 11, after connection, two adjacent connecting sleeves 1 are clamped between the first semicircular mounting ring 9 and the second semicircular mounting ring 10, rubber protection pads 16 are coated on the inner wall of the first semicircular mounting ring 9 and the inner wall of the second semicircular mounting ring 10, and the arranged rubber protection pads can prevent the fixing component from damaging the outer wall of the connecting sleeves; two semicircular mounting rings in the fixing assembly are locked through the locking bolts, the connection stability of two adjacent connecting sleeve assemblies can be further improved, and the overall anti-seismic performance of the lengthened connecting piece can be improved.
The connecting sleeve assembly further comprises a sliding installation assembly, the sliding installation assembly comprises convex ribs 4, sliding grooves 5 and bolt fixing grooves 6, the convex ribs 4 are uniformly distributed on the inner peripheral surface of the connecting clamping groove 3, the sliding grooves 5 are formed on the outer peripheral surface of the connecting column 2, the convex ribs 4 are in sliding connection with the sliding grooves 5, the bolt fixing grooves 6 are further formed on the outer peripheral surface of the connecting column 2, and the bolt fixing grooves 6 are arranged between the adjacent sliding grooves 5; the bolt hole is formed in the connecting sleeve 1, the fixing bolt 14 penetrates through the bolt hole, after the connecting column 2 is connected with the connecting clamping groove 3 in a sliding mode, the screw rod of the fixing bolt 14 penetrates through the bolt hole and is fixed in the bolt fixing groove 6, and by means of the structure, the connecting stability of the connecting column and the connecting clamping groove can be improved.
Furthermore, the utility model discloses in, still include strengthening rib 15, the setting of strengthening rib 15 welding at 1 outer wall of connecting sleeve, strengthening rib can improve connecting sleeve's resistance to deformation ability.
The working principle is as follows: when the connecting sleeve is used, firstly, the connecting column 2 on the connecting sleeve 1 is butted with the connecting clamping groove 3 on the adjacent connecting sleeve 1, the sliding groove 5 on the outer peripheral surface of the connecting column 2 and the convex rib 4 on the inner peripheral surface of the connecting clamping groove 3 slide relatively, so that the connecting column 2 is inserted into the connecting clamping groove 3, then, the screw rod of the fixing bolt 14 penetrates through the bolt hole and is fixed in the bolt fixing groove 6, so that the connecting column 2 is fixed with the connecting clamping groove 3, the connecting column 2 is inserted into the connecting clamping groove 3, the cylinder necks 7 of the adjacent two connecting sleeves 1 are contacted with each other, the contact surface forms an annular mounting groove, the first semicircular mounting ring 9 and the second semicircular mounting ring 10 on the fixing component 8 are mounted at the annular mounting groove, the first semicircular mounting ring 9 and the second semicircular mounting ring 10 are fixedly connected through the locking bolt 11, namely, the fixing of, and finally, the installed lengthened connecting piece is installed between the wind driven generator blade and the base, so that the wind driven generator blade is lengthened.
In summary, the utility model has novel structural design and good structural stability, and the adjacent two connecting sleeve assemblies are convenient to disassemble and assemble and are not easy to loosen after being assembled, so that the stability of the wind driven generator blade can be improved; in addition, the adopted fixing component can further improve the connection stability of two adjacent connecting sleeve components, and the overall anti-seismic performance of the lengthened connecting piece can be improved.
The details of the present invention are well known to those skilled in the art.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a aerogenerator blade extension connecting piece which characterized in that: comprises a plurality of connecting sleeve assemblies;
the connecting sleeve assemblies are spliced into an integrally-formed lengthened connecting piece, each connecting sleeve assembly comprises a connecting sleeve (1), a connecting column (2) and a connecting clamping groove (3), the diameter of each connecting column (2) is smaller than that of each connecting sleeve (1), each connecting column (2) is fixed on each connecting sleeve (1), one end, far away from each connecting column (2), of the inner cavity of each connecting sleeve (1) is provided with the corresponding connecting clamping groove (3), and each connecting column (2) is clamped with the corresponding adjacent connecting clamping groove (3);
the connecting sleeve assembly further comprises a sliding installation assembly, the sliding installation assembly comprises convex ribs (4), sliding grooves (5) and bolt fixing grooves (6), the convex ribs (4) are uniformly distributed on the inner peripheral surface of the connecting groove (3), the sliding grooves (5) are formed in the outer peripheral surface of the connecting column (2), the convex ribs (4) are in sliding connection with the sliding grooves (5), the bolt fixing grooves (6) are formed in the outer peripheral surface of the connecting column (2), and the bolt fixing grooves (6) are formed between the adjacent sliding grooves (5).
2. The wind turbine blade extension connector as claimed in claim 1, wherein: the two ends of the connecting sleeve (1) are respectively provided with a cylinder neck (7), and the joint of the cylinder necks (7) of the connecting sleeve (1) is provided with a fixing component (8).
3. The wind turbine blade extension connector as claimed in claim 2, wherein: the fixing component (8) comprises a first semicircular mounting ring (9), a second semicircular mounting ring (10) and locking bolts (11), wherein first connecting pieces (12) are symmetrically arranged at two ends of the first semicircular mounting ring (9), second connecting pieces (13) are symmetrically arranged at two ends of the second semicircular mounting ring (10), through holes are formed in the first connecting pieces (12) and the second connecting pieces (13), the locking bolts (11) are arranged in the through holes in a penetrating mode, the first semicircular mounting ring (9) and the second semicircular mounting ring (10) are fixedly connected through the locking bolts (11), and two adjacent connecting sleeves (1) are clamped between the first semicircular mounting ring (9) and the second semicircular mounting ring (10) after connection.
4. The wind turbine blade extension connector as claimed in claim 1, wherein: the connecting sleeve (1) is provided with a bolt hole, a fixing bolt (14) penetrates through the bolt hole, and after the connecting column (2) is connected with the connecting clamping groove (3) in a sliding mode, a screw rod of the fixing bolt (14) penetrates through the bolt hole and is fixed in the bolt fixing groove (6).
5. The wind turbine blade extension connector as claimed in claim 1, wherein: the connecting sleeve is characterized by further comprising a reinforcing rib (15), wherein the reinforcing rib (15) is welded on the outer wall of the connecting sleeve (1).
6. The wind turbine blade extension connector as claimed in claim 3, wherein: the inner walls of the first semicircular mounting ring (9) and the second semicircular mounting ring (10) are coated with rubber protection pads (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021006277.2U CN213039387U (en) | 2020-06-04 | 2020-06-04 | Lengthened connecting piece for blades of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021006277.2U CN213039387U (en) | 2020-06-04 | 2020-06-04 | Lengthened connecting piece for blades of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039387U true CN213039387U (en) | 2021-04-23 |
Family
ID=75521836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021006277.2U Active CN213039387U (en) | 2020-06-04 | 2020-06-04 | Lengthened connecting piece for blades of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039387U (en) |
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2020
- 2020-06-04 CN CN202021006277.2U patent/CN213039387U/en active Active
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