CN217783672U

CN217783672U - Fastening and connecting structure for high-power wind power generation blade

Info

Publication number: CN217783672U
Application number: CN202123182833.9U
Authority: CN
Inventors: 刘倩; 李时; 冯巧红
Original assignee: Chuzhou Vocational and Technical College
Current assignee: Chuzhou Vocational and Technical College
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-11-11
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a high-power wind power generation blade fastening connection structure, including high-power generation blade, the integrative connecting seat that is equipped with of one end of high-power generation blade, the centre of connecting seat surface is located to high-power generation blade, high-power generation blade and connecting seat all are equipped with a plurality of, the both ends that the connecting seat is relative all are equipped with the mounting plate, connect the connection clamp that constitutes ring shape structure setting through fixed establishment with a plurality of connecting seats between two adjacent mounting plates, it is overhead that the installation is located to the connection clamp, the one end of installation head is equipped with the pivot, the one end of pivot is through increaser and generator fixed mounting, the bottom of generator is equipped with the support pole setting, the one end that the installation head was kept away from to the generator is equipped with the tailboard, be equipped with positioning mechanism between installation head and the connecting seat, be equipped with buffer gear on the mounting plate. The utility model discloses a be provided with a series of structures, easy dismounting increases the steadiness of high-power electricity generation blade installation, reduces the installation loss, long service life.

Description

Fastening and connecting structure for high-power wind power generation blade

Technical Field

The utility model relates to a technical field is connected to the electricity generation blade, specifically is a high-power wind power generation blade fastening connection structure.

Background

China is rich in wind energy resources, the reserve of wind energy which can be developed and utilized is about 10 hundred million kW, and wind power generation is to convert the kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, is very environment-friendly by utilizing wind power for power generation, and has huge wind energy content, so that the wind energy is increasingly paid attention by various countries in the world. The design of blades in a wind driven generator directly influences the conversion efficiency of wind energy and the annual energy production of the wind driven generator, and is an important ring for wind energy utilization.

At present, the blades of the wind power generation are fixedly installed with the generator installation head directly through the end face bolts, because the contact surface between the blades and the installation head is small, and the blades on the installation head are independently installed at intervals, the stability of installation and connection between the blades and the generator is poor, especially for the blades with high power and large volume, the loss of installation is accelerated by operation vibration, the service life of the wind power generation blades is influenced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-power wind power generation blade fastening connection structure 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: the utility model provides a high-power wind power generation blade fastening connection structure, includes high-power generation blade, the integrative connecting seat that is equipped with of one end of high-power generation blade, the centre of connecting seat surface is located to high-power generation blade, high-power generation blade and connecting seat all are equipped with a plurality of, the both ends that the connecting seat is relative all are equipped with the mounting plate, adjacent two connect the clamp that constitutes ring shape structure setting through fixed establishment with a plurality of connecting seats between the mounting plate, connect the clamp and locate on the installation head, the one end of installation head is equipped with the pivot, the one end of pivot is through increaser and generator fixed mounting, the bottom of generator is equipped with the support pole setting, the one end that the installation head was kept away from to the generator is equipped with the tailboard, be equipped with positioning mechanism between installation head and the connecting seat, be equipped with buffer gear on the mounting plate.

Preferably, the positioning mechanism comprises a positioning groove and a positioning bulge, the positioning groove is formed in the connecting seat on two opposite sides of the high-power generation blade, the positioning bulge is arranged on the outer surface of the mounting head, and the positioning bulge is arranged in the positioning groove.

Preferably, the connecting seat is arranged in an arc-shaped plate structure, the section of the mounting head is arranged in a circular structure, and the connecting seat and the mounting head are arranged concentrically.

Preferably, the fixing mechanism comprises an assembling screw hole and an assembling bolt, each fastening plate is provided with the assembling screw hole, and the two adjacent fastening plates are fixedly connected through the assembling bolt installed in the assembling screw hole through internal threads.

Preferably, the fastening plate and the connecting seat, and the mounting head and the positioning bulge are integrally formed.

Preferably, buffer gear is equipped with the buffering recess on the mounting plate of connecting seat one end including buffering recess and snubber block, the last snubber block that is equipped with of mounting plate of the connecting seat other end, and the snubber block is located in the buffering recess.

Preferably, the inner surface of the connecting seat is provided with a damping lining, and the damping lining and the damping block are both made of damping rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this high-power wind power generation blade fastening connection structure through setting up the connecting seat on high-power generation blade for the installation head fixed connection on high-power generation blade and the aerogenerator, this fastening connection structure is simple, reasonable, and easy dismounting increases the steadiness of high-power generation blade installation, and reduces the installation loss, long service life, and the practicality is stronger.

2. This high-power wind power generation blade fastening connection structure, through setting up the mounting plate on the connecting seat, the connecting seat on the high-power generation blade passes through the mounting plate and connects the connection clamp of constituteing ring shape structure, and the connection clamp cramps and sets firmly on the installation head, increases the installation area of contact between high-power generation blade and the installation head to and install the location arch on the head and locate in the constant head tank of connecting seat, make the installation of high-power generation blade more firm, reliable.

3. This high-power wind power generation blade fastening connection structure through setting up buffering recess and snubber block on the mounting plate to and the shock attenuation inside lining that the connecting seat internal surface set up, increases the buffering anti-seismic performance of high-power generation blade installation, thereby reduces the loss of high-power generation blade vibrations to the installation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connecting base of the present invention;

FIG. 3 is a schematic structural view of the positioning groove of the present invention;

FIG. 4 is a schematic structural view of the mounting head of the present invention;

fig. 5 is a schematic structural view of the fastening plate of the present invention.

In the figure: 1. a high power generating blade; 2. a connecting seat; 21. positioning a groove; 3. a fastening plate; 31. a buffer groove; 32. a damper block; 4. a mounting head; 41. positioning a projection; 5. a rotating shaft; 6. a generator; 7. supporting the upright stanchion; 8. a tail plate; 9. assembling a screw hole; 10. and assembling the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 end", "rear end", "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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Examples

As shown in fig. 1 to 5, the fastening connection structure for the high-power wind power generation blade of the embodiment, including the high-power wind power generation blade 1, the one end of the high-power wind power generation blade 1 is integrally provided with the connecting seat 2, the high-power wind power generation blade 1 is located in the middle of the outer surface of the connecting seat 2, the high-power wind power generation blade 1 and the connecting seat 2 are both provided with a plurality of connecting seats, both ends of the connecting seat 2 which are opposite are provided with the fastening plates 3, a connecting clamp which connects the connecting seats 2 into a circular ring structure through a fixing mechanism is arranged between two adjacent fastening plates 3, the connecting clamp is arranged on the mounting head 4, one end of the mounting head 4 is provided with the rotating shaft 5, one end of the rotating shaft 5 is fixedly installed with the generator 6 through the speed increaser, the bottom of the generator 6 is provided with the support vertical rod 7, one end of the generator 6, which is far away from the mounting head 4 is provided with the tail plate 8, a positioning mechanism is arranged between the mounting head 4 and the connecting seat 2, the fastening plate 3 is provided with a buffering mechanism, through the connecting seat 2 arranged on the high-power generation blade 1, the high-power generation blade 1 is fixedly connected with the mounting head 4 on the wind power generator, the wind power generation generator, the fastening connection structure is simple, reasonable, the convenience in disassembly and assembly, the convenience in assembly is improved in installation stability of the high-power generation blade 1, the low installation loss, the practicability is improved, the advantages of the high-power generation blade 1 is improved, the long service life is improved, and the practicability is improved.

Specifically, the positioning mechanism comprises a positioning groove 21 and positioning protrusions 41, the positioning groove 21 is formed in the connecting seat 2 on two opposite sides of the high-power generation blade 1, the positioning protrusions 41 are arranged on the outer surface of the mounting head 4, the positioning protrusions 41 are arranged in the positioning groove 21, and the connecting seat 2 and the mounting head 4 are fixedly mounted in a positioning mode, so that the high-power generation blade 1 is mounted more tightly and reliably.

Further, connecting seat 2 is the setting of convex plate structure, and the cross-section of installation head 4 is the circular structure setting, and connecting seat 2 sets up with installation head 4 concentric circles for the laminating of the internal surface of connecting seat 2 and the surface of installation head 4 connects compactlyer, and area of contact is bigger.

Further, fixing mechanism all is equipped with assembly screw 9 on every mounting plate 3 including assembly screw 9 and assembly bolt 10, through the assembly bolt 10 fixed connection of the interior screw-in installation of assembly screw 9 between two adjacent mounting plates 3, makes things convenient for fixing between two adjacent mounting plates 3 to connect through mounting plate 3 and constitute a connection clamp locking with a plurality of connecting seats 2 and install on installation head 4, easy dismounting.

Further, all adopt integrated into one piece to set up between mounting head 4 and the location arch 41 and form between mounting plate 3 and connecting seat 2, integrated into one piece design not only structural strength is good, and is convenient for make processing.

Further, buffer gear includes buffering recess 31 and snubber block 32, is equipped with buffering recess 31 on the mounting plate 3 of 2 one ends of connecting seat, is equipped with snubber block 32 on the mounting plate 3 of the 2 other ends of connecting seat, and in snubber block 32 located buffering recess 31, increase the buffering anti-seismic performance of 1 installations of high power generation blade to reduce the loss of 1 vibrations of high power generation blade to the installation.

Furthermore, the inner surface of the connecting seat 2 is provided with a damping lining, the damping lining and the damping block 32 are both made of damping rubber materials, and the damping rubber has a good damping and buffering effect.

The application method of the embodiment comprises the following steps: the connecting seat 2 arranged in the circular arc-shaped plate structure is arranged on the outer surface of the mounting head 4, because the connecting seat 2 and the mounting head 4 are arranged concentrically, the inner surface of the connecting seat 2 is attached to the outer surface of the mounting head 4, meanwhile, the positioning bulge 41 integrally formed on the mounting head 4 is inserted into the positioning groove 21 of the connecting seat 2, two adjacent fastening plates 3 on the two connecting seats 2 are fixed through the assembling bolt 10 internally installed in the assembling screw hole 9, so that the connecting clamp which is formed by connecting a plurality of connecting seats 2 into a circular ring structure is locked and mounted on the mounting head 4 through a fixing mechanism, the connecting clamp formed by a plurality of connecting seats 2 and fastening plates 3 increases the mounting contact area between the high-power generating blade 1 and the mounting head 4, and the high-power generating blade 1 is mounted more tightly and reliably; through setting up buffering recess 31 and snubber block 32 on mounting plate 3, snubber block 32 between two adjacent mounting plates 3 is located in buffering recess 31, and the shock attenuation inside lining that the 2 internal surfaces of connecting seat set up, increase the buffering anti-seismic performance of 1 installations of high-power electricity generation blade, thereby reduce the loss of 1 vibrations of high-power electricity generation blade to the installation, fastening connection simple structure, rationally, easy dismounting, the steadiness of 1 installations of high-power electricity generation blade is increased, and the installation loss is reduced, long service life, the practicality is stronger.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-power wind power generation blade fastening connection structure, includes high-power generation blade (1), its characterized in that: the utility model discloses a high-power electricity generation blade, including mounting head (4), connecting seat (2), fastening plate (3), high-power electricity generation blade (1), connecting seat (2), connecting clamp and locating head (6), the one end of mounting head (4) is equipped with pivot (5), the one end of pivot (5) is through increaser and generator (6) fixed mounting, the bottom of generator (6) is equipped with support pole setting (7), the one end that mounting head (4) were kept away from in generator (6) is equipped with tailboard (8), be equipped with positioning mechanism between mounting head (4) and connecting seat (2), be equipped with buffer gear on fastening plate (3).

2. The fastening structure for the high-power wind power generation blade according to claim 1, wherein: the positioning mechanism comprises positioning grooves (21) and positioning bulges (41), the positioning grooves (21) are formed in the connecting seats (2) on two opposite sides of the high-power generation blade (1), the positioning bulges (41) are arranged on the outer surface of the mounting head (4), and the positioning bulges (41) are arranged in the positioning grooves (21).

3. The fastening structure for the high-power wind power generation blade according to claim 2, wherein: the connecting seat (2) is arranged in an arc-shaped plate structure, the cross section of the mounting head (4) is arranged in a circular structure, and the connecting seat (2) and the mounting head (4) are arranged in the same circle center.

4. The fastening and connecting structure for the blades of the high-power wind power generation set according to claim 1, wherein: the fixing mechanism comprises an assembling screw hole (9) and an assembling bolt (10), the assembling screw hole (9) is formed in each fastening plate (3), and the assembling bolts (10) installed through internal threads of the assembling screw holes (9) are fixedly connected between every two adjacent fastening plates (3).

5. The fastening and connecting structure for the blades of the high-power wind power generation set according to claim 2, characterized in that: the fastening plate (3) and the connecting seat (2) and the mounting head (4) and the positioning bulge (41) are integrally formed.

6. The fastening structure for the high-power wind power generation blade according to claim 1, wherein: buffer gear is equipped with buffering recess (31) on mounting plate (3) of connecting seat (2) one end including buffering recess (31) and snubber block (32), is equipped with snubber block (32) on mounting plate (3) of the connecting seat (2) other end, and snubber block (32) are located in buffering recess (31).

7. The fastening and connecting structure for the blades of the high-power wind power generation set according to claim 6, wherein: the inner surface of the connecting seat (2) is provided with a damping lining, and the damping lining and the damping block (32) are both made of damping rubber materials.