CN213039386U

CN213039386U - Wind driven generator blade lengthening assembly

Info

Publication number: CN213039386U
Application number: CN202021005961.9U
Authority: CN
Inventors: 黄志财
Original assignee: Tuoyao New Energy Technology Jiangsu Co ltd
Current assignee: Tuoyao New Energy Technology Jiangsu Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-23
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a wind power generator blade lengthening assembly, the inner side of the upper end of a cylinder body is provided with a connecting ring, the inner side of the lower end of the cylinder body is provided with a connecting flange, a plurality of connecting screw rods are evenly arranged on the connecting ring in an annular manner, all lower end lugs are arranged at the connecting part of the connecting flange and the cylinder body in an annular manner, a reinforcing ring is fixedly arranged on the inner side surface of the cylinder body, a plurality of middle reinforcing ribs are arranged between every two adjacent reinforcing rings, a plurality of end reinforcing ribs are arranged between the reinforcing ring closest to the connecting ring and between the reinforcing ring closest to the connecting flange and the connecting flange, the middle reinforcing ribs and the end reinforcing ribs are all fixed on the inner wall surface of the cylinder body, the inner side of the reinforcing ring is provided with two transverse supporting rods which are arranged in, the operation is simple and convenient, and the structure strength and the connection strength are higher.

Description

Wind driven generator blade lengthening assembly

Technical Field

The utility model relates to a aerogenerator blade extension subassembly technical field specifically is an aerogenerator blade extension subassembly.

Background

At present, if the blades of the wind driven generator need to be lengthened, only the blades need to be customized again, the cost is high, and waste is caused after the old blades are detached, so that an improved technology is urgently needed to solve the problem existing in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a aerogenerator blade extension subassembly need not to reform transform current fan, can realize the extension of fan blade, and easy operation is convenient to solve the problem that proposes among 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 assembly comprises a cylinder and a reinforcing piece;

the connecting device comprises a cylinder body, wherein a connecting ring is arranged on the inner side of the upper end of the cylinder body, a connecting flange is arranged on the inner side of the lower end of the cylinder body, and a plurality of connecting screw rods are uniformly arranged on the connecting ring in an annular shape;

a reinforcing piece, which comprises an upper end convex block, a lower end convex block, a reinforcing ring, a middle reinforcing rib, an end reinforcing rib and a transverse supporting rod, a plurality of upper end lugs are arranged at the connecting position of the connecting ring and the cylinder body in an annular shape, a plurality of lower end convex blocks are arranged at the connecting part of the connecting flange and the cylinder body in an annular shape, the reinforcing rings are fixedly arranged on the inner side surface of the barrel body, a plurality of middle reinforcing ribs are arranged between every two adjacent reinforcing rings, a plurality of end reinforcing ribs are arranged between the reinforcing ring closest to the connecting ring and between the reinforcing ring closest to the connecting flange and the connecting flange, the middle reinforcing ribs and the end reinforcing ribs are fixed on the surface of the inner wall of the cylinder body, and two transverse supporting rods which are arranged in a crossed mode are arranged on the inner sides of the reinforcing rings.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, the upper end of barrel and lower extreme outside surface evenly are provided with the mounting hole for fixed connection ring and flange.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, go-between and flange's external diameter is unanimous with the internal diameter of barrel, go-between and connection flange outside surface evenly are provided with a plurality of screws, the mounting hole one-to-one opened on the screw of go-between outside surface and the barrel passes through bolted connection, the mounting hole one-to-one opened with the barrel lower extreme of flange outside surface passes through bolted connection, and connected mode is simple, firm.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, the external diameter of beaded finish is unanimous and is connected with the barrel through the welded mode with the internal diameter of barrel, guarantees the support nature of beaded finish and barrel.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, the thickness of lower extreme lug is less than flange's mounting hole to the distance of barrel to with the installation of the nut with blade screw matched with.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, all middle strengthening rib is that the annular evenly arranges between two adjacent strengthening rings, the position of tip strengthening rib and the position one-to-one of middle strengthening rib, corresponding tip strengthening rib and middle strengthening rib are located same axle core to guarantee holistic axial strength.

Preferably, the utility model provides a pair of aerogenerator blade extension subassembly, wherein, all horizontal bracing piece intermediate positions are opened flutedly, and the width of recess is unanimous with the width of horizontal bracing piece, and the thickness of recess is half of horizontal bracing piece thickness, horizontal bracing piece is located the recess and has seted up the through-hole, and two horizontal bracing pieces of mutually supporting pass through the recess and mutually perpendicular block and link to each other through bolt and nut, and the connection and the assurance support strength of two horizontal bracing pieces of being convenient for matched with.

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

(1) simple structure, reasonable need not to reform transform current fan, can realize the extension of fan blade, easy operation is convenient.

(2) The reinforcing ring, the transverse supporting rod, the middle reinforcing rib and the end reinforcing rib are arranged in the barrel, so that the strength of the barrel is ensured, and the deformation is avoided.

(3) A plurality of upper end bulges and lower end bulges are arranged between the connecting ring and the connecting flange and the cylinder body, so that the strength of the connecting ring and the connecting flange is improved, and the looseness of the joint of the connecting ring and the connecting flange with a motor joint or a fan blade is avoided.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic view of the longitudinal cross-section structure of the present invention;

fig. 4 is a schematic view of a structure of a transverse supporting rod.

In the figure: the device comprises a cylinder body 1, a connecting ring 2, a connecting flange 3, a connecting screw rod 4, an upper end lug 5, a lower end lug 6, a reinforcing ring 7, a middle reinforcing rib 8, an end reinforcing rib 9 and a transverse supporting rod 10.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a wind driven generator blade lengthening assembly comprises a cylinder body 1 and a reinforcing piece; the inner side of the upper end of the barrel body 1 is provided with a connecting ring 2, the inner side of the lower end of the barrel body 1 is provided with a connecting flange 3, the connecting ring 2 is uniformly provided with a plurality of connecting screw rods 4 in an annular shape, the outer surfaces of the upper end and the lower end of the barrel body 1 are uniformly provided with mounting holes, the outer diameters of the connecting ring 2 and the connecting flange 3 are consistent with the inner diameter of the barrel body 1, the outer surfaces of the connecting ring 2 and the connecting flange 3 are uniformly provided with a plurality of screw holes, the screw holes on the outer surface of the connecting ring 2 are in one-to-one correspondence with the mounting holes formed in the upper end of the barrel body 1 and are; the reinforcement includes upper end lug 5, lower extreme lug 6, the beaded finish 7, middle strengthening rib 8, tip strengthening rib 9 and horizontal bracing piece 10, upper end lug 5 has a plurality of, all upper end lugs 5 are the annular and arrange in go-between 2 and barrel 1's junction, lower extreme lug 6 has a plurality of, all lower extreme lugs 6 are the annular and arrange in flange 3 and barrel 1's junction, the thickness of lower extreme lug 6 is less than flange 3's mounting hole to barrel 1's distance, can not influence the installation of nut, beaded finish 7 has a plurality of, beaded finish 7 is fixed to be set up in barrel 1's inboard surface, the external diameter of beaded finish 7 is unanimous with barrel 1's internal diameter and is connected with barrel 1 through the welded mode, be provided with a plurality of middle strengthening ribs 8 between two liang of adjacent beaded finishes 7, all be provided with a plurality of tip strengthening ribs between beaded finish 7 and the go-between 2 that are closest to go-between 2 and the beaded finish 7 that are closest 9, middle strengthening rib 8 and tip strengthening rib 9 all are fixed in the inner wall surface of barrel 1, all middle strengthening rib 8 is that the annular evenly arranges between two adjacent beaded finish 7, the position of tip strengthening rib 9 and the position one-to-one of middle strengthening rib 8, corresponding tip strengthening rib 9 is located same axle core line with middle strengthening rib 8, every 7 inboard horizontal bracing pieces 10 that all are provided with two cross arrangements of each other of beaded finish, all horizontal bracing piece 10 intermediate positions are opened flutedly, the width of recess is unanimous with the width of horizontal bracing piece 10, the thickness of recess is half of horizontal bracing piece 10 thickness, horizontal bracing piece 10 is located to open in the recess has the through-hole, two horizontal bracing pieces 10 of mutually supporting link to each other through the perpendicular block of recess and link to each other through bolt and nut.

The installation method and the use principle are as follows: firstly, two transverse reinforcing rods are clamped through groove positions and mutually fixed through bolts and nuts, then the connected transverse reinforcing rods are welded inside reinforcing rings 7, then a plurality of reinforcing rings 7 containing the transverse reinforcing rods are welded inside a barrel body 1, middle reinforcing ribs 8 are welded between adjacent reinforcing rings 7, then a connecting ring 2 is inserted into one end of the barrel body 1, screw holes on the outer side of the connecting ring 2 are in one-to-one correspondence with mounting holes on the side surface of one end of the barrel body 1 and are fixed through bolts, a connecting flange 3 is inserted into the other end of the barrel body 1 in the same way, the connecting flange 3 is fixed through bolts after aligning with the mounting holes, end reinforcing ribs 9 are respectively welded between the reinforcing ring 7 closest to the connecting ring 2 and the connecting ring 2, end reinforcing ribs 9 are welded between the reinforcing ring 7 closest to the connecting flange 3 and the connecting flange 3 in the same way, and an upper end bump 5 is welded between the inner side of the connecting ring, welding lower extreme lug 6 between flange 3 inboard and barrel 1, the thickness of lower extreme lug 6 can not be too thick, thickness will guarantee not to influence the installation that is used for wind blade connecting screw matched with nut, accomplish the installation back, insert the connecting screw of fan blade in flange hole of flange 3, and pass through the bolt fastening, make fan blade be connected with barrel 1, link to each other the barrel 1 other end with the motor joint of fan afterwards, insert connecting screw 4 in the flange hole that the motor connects, link to each other with connecting screw 4 through the nut, make connecting barrel 1 link to each other with the motor joint, the people comes out from the wicket that the fan connects at last, accomplish the equipment. The utility model has simple and reasonable structure, can realize the lengthening of the fan blade without modifying the existing fan, and has simple and convenient operation; the reinforcing ring 7, the transverse supporting rod 10, the middle reinforcing rib 8 and the end reinforcing rib 9 are arranged in the cylinder body 1, so that the strength of the cylinder body 1 is ensured, and the deformation is avoided; a plurality of upper end bulges and lower end bulges are arranged between the connecting ring 2 and the connecting flange 3 and the cylinder body 1, so that the strength of the connecting ring 2 and the connecting flange 3 is improved, and looseness at the joint of the connecting ring 2 and the motor joint or the fan blade is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wind power generator blade extension subassembly which characterized in that: comprises a cylinder body (1) and a reinforcing piece;

the connecting device comprises a barrel body (1), wherein a connecting ring (2) is arranged on the inner side of the upper end of the barrel body (1), a connecting flange (3) is arranged on the inner side of the lower end of the barrel body (1), and a plurality of connecting screw rods (4) are uniformly arranged on the connecting ring (2) in an annular shape;

the reinforcing piece, the reinforcing piece includes upper end lug (5), lower extreme lug (6), beaded finish (7), middle strengthening rib (8), tip strengthening rib (9) and horizontal bracing piece (10), upper end lug (5) have a plurality of, all upper end lug (5) are the annular and arrange in the junction of go-between (2) and barrel (1), lower extreme lug (6) have a plurality of, all lower extreme lug (6) are the annular and arrange in the junction of flange (3) and barrel (1), beaded finish (7) have a plurality of, beaded finish (7) are fixed to be set up in the inboard surface of barrel (1), two liang of adjacent be provided with a plurality of middle strengthening ribs (8) between beaded finish (7), be close to go-between (2) beaded finish (7) and be close to flange (3) all be provided with if between beaded finish (7) and flange (3) if The end reinforcing ribs (9) are arranged in a dry mode, the middle reinforcing rib (8) and the end reinforcing rib (9) are fixed on the surface of the inner wall of the cylinder body (1), and two transverse supporting rods (10) which are arranged in a cross mode are arranged on the inner side of each reinforcing ring (7).

2. The wind turbine blade extension assembly of claim 1, wherein: and mounting holes are uniformly formed in the outer side surfaces of the upper end and the lower end of the cylinder body (1).

3. The wind turbine blade extension assembly of claim 1, wherein: the outer diameter of the connecting ring (2) and the outer diameter of the connecting flange (3) are consistent with the inner diameter of the barrel body (1), a plurality of screw holes are uniformly formed in the outer side surfaces of the connecting ring (2) and the connecting flange (3), the screw holes in the outer side surface of the connecting ring (2) are in one-to-one correspondence with mounting holes formed in the upper end of the barrel body (1) and are connected through bolts, and the screw holes in the outer side surface of the connecting flange (3) are in one-to-one correspondence with mounting holes formed in the lower end of the barrel body (1) and are.

4. The wind turbine blade extension assembly of claim 1, wherein: the outer diameter of the reinforcing ring (7) is consistent with the inner diameter of the cylinder body (1) and is connected with the cylinder body (1) in a welding mode.

5. The wind turbine blade extension assembly of claim 1, wherein: the thickness of the lower end bump (6) is smaller than the distance from the mounting hole of the connecting flange (3) to the cylinder body (1).

6. The wind turbine blade extension assembly of claim 1, wherein: all middle strengthening rib (8) are the annular and evenly arrange between two adjacent beaded finish (7), the position of tip strengthening rib (9) and the position one-to-one of middle strengthening rib (8), corresponding tip strengthening rib (9) are located same axle core line with middle strengthening rib (8).

7. The wind turbine blade extension assembly of claim 1, wherein: all horizontal bracing piece (10) intermediate positions are opened flutedly, and the width of recess is unanimous with the width of horizontal bracing piece (10), and the thickness of recess is half of horizontal bracing piece (10) thickness, horizontal bracing piece (10) are located the recess and have seted up the through-hole, and two horizontal bracing pieces (10) of mutually supporting pass through the recess and mutually perpendicular joint and link to each other through bolt and nut.