CN212838187U

CN212838187U - Wind power blade tuber pipe mounting

Info

Publication number: CN212838187U
Application number: CN202021524619.XU
Authority: CN
Inventors: 刘志龙; 周国文
Original assignee: Hunan Tuotian Energy Saving Control Technology Co ltd
Current assignee: Hunan Tuotian Energy Saving Control Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-30
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a wind-powered electricity generation blade tuber pipe mounting, including be used for with wind-powered electricity generation blade web paste the connection base, articulate on connection base and be used for encircling two rotation portions on connection base with the tuber pipe and the locking device who is used for dismantling two rotation portions and connect on two rotation portions is located in the cooperation. The utility model discloses a wind-powered electricity generation blade tuber pipe mounting, including be used for with wind-powered electricity generation blade web paste the connection base and articulate being used for on connection base and encircle two rotation portions on connection base with the tuber pipe, during fixed tuber pipe, only connection base and blade web fixed connection, tuber pipe demountable installation is between two rotation portions, and two rotation portions can be dismantled through locking device and connect, and relative connection base can be opened wantonly or the lock, and the tuber pipe is fixed very firm, is convenient for install and change.

Description

Wind power blade tuber pipe mounting

Technical Field

The utility model relates to a wind power generation blade anti-icing technical field, concretely relates to wind-powered electricity generation blade tuber pipe mounting.

Background

Wind turbine blades are prone to icing in cold and high humidity climates, particularly, the ice layer from the middle to the tip of the blade can affect the aerodynamic characteristics of the blade and can cause the blade to increase vibration and load, which can reduce the output power of the wind turbine and affect the power generation efficiency, when icing is severe, excessive load can be caused to cause the turbine to stop, and in addition, a large amount of ice layer is thrown out of the blade and also can cause safety problems. To this end, the current method of solving blade icing is mainly to set up air heater and supply-air duct in the blade is inside, and hot-blast carries the blade anterior segment through supply-air duct, and hot-air circulates in the blade is inside, reduces the blade probability of icing. The air supply pipeline is installed on the blade web, and the blades are made of glass fiber reinforced plastic materials and cannot be fixed by screws, so the general installation mode is that the glass fiber cloth is soaked in epoxy resin and then is pasted by hand, the glass fiber cloth is soaked in the epoxy resin and becomes the glass fiber reinforced plastic after being dried, and the air supply pipeline is fixedly connected on the blade web through the glass fiber cloth.

However, in the installation mode, the glass fiber cloth is used for soaking the epoxy resin, the glass fiber reinforced plastic formed after drying is extremely hard, the air supply pipeline is extremely difficult to disassemble and replace after being fixedly connected, the cost is extremely high, and the maintenance is basically impossible; epoxy resin is toxic, glass fiber cloth is irritant and can cause skin allergy, and hand pasting installation can be operated by professional personnel wearing professional protective clothing according to strict procedures, so that the environment is not protected and the cost is high; the hand pasting needs to be operated according to a strict program, different weight and shape of objects are fixed or sealed according to needs, the size, the number of layers and the hand pasting mode of different hand-pasted glass fiber cloth are determined, the glass fiber cloth is soaked in epoxy resin and can be firm after being dried thoroughly, the thicker the hand-pasted glass fiber cloth is, the larger the area is, the lower the ambient temperature is, the longer the time for drying thoroughly is, the whole time is wasted, the project completion period is prolonged, the installation cost is increased, the normal power generation of an owner fan is influenced, and the larger economic loss is caused. Therefore, it is necessary to design a new installation method of the air supply duct to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a wind power blade air pipe fixing part which can firmly fix an air pipe and is convenient for replacing the air pipe.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a wind-powered electricity generation blade tuber pipe mounting, including be used for with wind-powered electricity generation blade web paste the connection base, articulate on connection base be used for with the tuber pipe encircle two rotation portions and the cooperation on two rotation portions of connection base and locate two rotation portions on be used for can dismantle the locking device of connection with two rotation portions.

In one embodiment, the locking device includes a locking buckle and a hook respectively disposed at the free ends of the two rotating portions, the locking buckle is provided with a buckle frame opposite to the hook, and the hook hooks the buckle frame to tighten the two rotating portions. The locking device adopts a structure that the locking buckle is matched with the clasp, so that the locking is convenient, and the structural strength is good.

In one embodiment, the locking fastener is disposed on the free end of the rotating portion through a locking fastener and a locking fastener elastic pin, and the locking fastener includes a fastening screw fixed on the rotating portion for passing through the locking fastener and a fastening nut for fixing the locking fastener. Besides the elastic pin, the locking buckle is provided with a locking buckle fastening piece specially, so that the air pipe can be fixed firmly, the rotating part cannot be loosened in the complex use environment of the rotation of the fan blade, the installation is convenient and fast, and the working efficiency is improved.

In one embodiment, the rotating part is a steel strip structure or a steel plate structure with an arc-shaped width extending along the length direction of the air duct. The rotating part of the steel belt or the steel plate structure has good strength and toughness, and can better hold the air pipe needing to be fixed tightly.

In one embodiment, the connection base comprises a flat connection part and a bearing part connected with the connection part, the connection part is used for being pasted with a wind power blade web, the bearing part is used for being hinged with the rotation part, and the bearing surface of the bearing part is matched with the surface of the air pipe. The connecting base comprises a flat connecting part, so that the flat surface pasting is convenient to use the glass fiber cloth to soak the epoxy resin, the material and the working hour are saved, and the pasting quality is guaranteed.

In one embodiment, the surface of the connecting base for bearing the air pipe is provided with a heat insulating material. The surface of the connecting base used for bearing the air pipe is designed with a heat insulation layer, so that the blade web plate can be better protected, the influence of heat conduction of the air pipe is avoided by the blade web plate, and the risk of overtemperature failure is avoided.

In one embodiment, the surface of the rotating part for bearing the air pipe is padded with a layer of rubber. The inner side of the rotating part is padded with a layer of rubber, so that the rotating part can be ensured to have enough holding force for the air pipe.

In one embodiment, the locking device comprises locking sheets respectively arranged at free ends of the two rotating parts and bolt fasteners used for locking the two locking sheets, through holes are correspondingly formed in the two locking sheets, bolts of the bolt fasteners sequentially penetrate through the through holes of the two locking sheets, and nuts of the bolt fasteners lock the bolts and the locking sheets. The locking device adopts a structure that the locking sheet is matched and connected with the bolt fastener, and the bolt and the nut can ensure that the connection between the two rotating parts is more tight, thereby being beneficial to the stable installation of the air pipe.

In one embodiment, a plurality of locking devices are distributed on the rotating part along the length direction of the air pipe. The weight of accessible tuber pipe and the intensity requirement of holding the tuber pipe tightly confirm specific locking device number, through the width of widening the rotation portion and increase the locking device number, can effectively increase the power of holding tightly of relative tuber pipe of rotation portion.

In one embodiment, the rotating part is hinged to the connecting base through a pin shaft and a cotter pin arranged at the end part of the pin shaft, and the axial direction of the pin shaft is along the length direction of the air pipe. The rotating part is hinged with the connecting base through a pin shaft, so that the connecting base can be conveniently opened towards two sides, can well bear the pulling force of the locking device, and is simple in structure and convenient to assemble.

Compared with the prior art, the utility model discloses wind-powered electricity generation blade tuber pipe mounting's beneficial effect lies in, including being used for with wind-powered electricity generation blade web paste the connection base with articulate on connection base and be used for embracing the tuber pipe two rotation portions on connection base, during the fixed tuber pipe, only connection base and blade web fixed connection, tuber pipe demountable installation is between two rotation portions, and two rotation portions pass through locking device and can dismantle the connection, relative connection base can open wantonly or the lock, and the tuber pipe is fixed very firm, and is convenient for install and change.

Other advantages of the present invention will be described in detail in the following detailed description of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

In the drawings:

FIG. 1 is a three-dimensional structure diagram of an embodiment of the wind turbine blade air duct fixing member of the present invention;

FIG. 2 is a schematic structural view of a first angle of a wind turbine blade duct fixing member shown in FIG. 1;

FIG. 3 is a schematic structural view of a second angle of the wind turbine blade duct fixing member shown in FIG. 1;

FIG. 4 is a schematic structural view of a locking member in a fixing member of the wind turbine blade duct shown in FIG. 1;

FIG. 5 is a perspective view of another embodiment of the wind turbine blade air duct mounting of the present invention;

fig. 6 is a three-dimensional structure view of another embodiment of the wind power blade air pipe fixing member of the present invention;

FIG. 7 is a schematic structural diagram of a locking member in the wind turbine blade duct fixing member shown in FIG. 6.

Description of reference numerals: the locking device comprises a connecting base 1, a connecting part 11, a bearing part 12, a heat insulating material 13, a pin shaft 14, a split pin 15, a rotating part 2, a locking fastening piece 21, a fastening screw 211, a fastening nut 212, a locking elastic pin 22, a locking device 3, a locking buckle 31, a locking frame 311, a clasp 32, a locking sheet 33 and a bolt fastening piece 34.

Detailed Description

To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, in which like reference numerals refer to like parts.

Fig. 1 is the utility model discloses the structure schematic diagram of the first embodiment of wind-powered electricity generation blade tuber pipe mounting combines to refer to fig. 1 to 4, and in this embodiment, wind-powered electricity generation blade tuber pipe mounting, including be used for with wind-powered electricity generation blade web paste connection base 1, articulate and be used for on connection base 1 to encircle two rotation portions 2 on connection base 1 with the tuber pipe and the cooperation is located two rotation portions 2 on be used for can dismantle the locking device 3 of connection with two rotation portions 2.

Specifically, the locking device 3 includes a locking buckle 31 and a hook 32 respectively disposed at the free ends of the two rotating portions 2, the locking buckle 31 is provided with a buckle frame 311 opposite to the hook 32, and the hook 32 hooks the buckle frame 311 to tighten the two rotating portions 2. The locking buckle 31 is arranged on the free end of the rotating part 2 through a locking buckle fixing member 21 and a locking buckle elastic pin 22, and the locking buckle fixing member 21 comprises a fastening screw 211 which is fixedly arranged on the rotating part 2 and is used for penetrating through the locking buckle 31 and a fastening nut 212 which is used for fixing the locking buckle 31. The rotating part 2 is a steel strip structure with an arc-shaped width extending along the length direction of the air duct.

In this embodiment, the connection base 1 includes a flat connection portion 11 and a bearing portion 12 connected to the connection portion 11, the connection portion 11 is used for being pasted with the wind turbine blade web, the bearing portion 12 is used for being hinged to the rotation portion 2, and a bearing surface of the bearing portion 12 matches with the surface of the air duct.

In the present embodiment, the surface of the connection base 1 for carrying the blast pipe is provided with a heat insulating material 13.

In this embodiment, the surface of the rotating part 2 for carrying the air duct is cushioned with a layer of rubber.

When the wind power blade air pipe fixing piece is applied to installing an air pipe, firstly, the connecting base 1 is installed on a blade web plate in a plane pasting mode by soaking epoxy resin on glass fiber cloth, and the specific contact area of the connecting base 1 and the blade web plate can be determined according to the stress; the two rotating parts 2 are movably connected with the connecting base 1 through the bolts 14, the air pipe is placed after the two rotating parts 2 are opened, the locking buckle 31 and the hook 32 are respectively arranged at the free ends of the two rotating parts 2, when the air pipe is locked, the hook 32 on the other rotating part 2 is hooked by the buckle frame 311 of the locking buckle 31, the rotating parts 2 are tensioned in opposite directions by force, and the air pipe is locked; when the air pipe needs to be loosened, the locking device 3 only needs to be loosened, the fastening frame 311 of the locking fastener 31 is separated from the hooked fastening hook 32, and the two rotating parts 2 can be separated, because the rotating parts 2 are movably connected with the connecting base 1, the two rotating parts 2 can be completely opened, and the air pipe in the middle can be easily taken out.

In other embodiments, as shown in fig. 5, a plurality of locking devices 3 are distributed on the rotating portion 2 along the length direction of the air duct, and the specification of the rotating portion 2 and the number of the locking devices 3 can be determined according to the weight of the air duct and the strength requirements of different tightly-holding air ducts, so that the tightly-holding force of the rotating portion on the air duct can be effectively increased.

In other embodiments, the locking device 3 may also be designed as shown in fig. 6 and 7, and includes locking plates 33 respectively disposed at the free ends of the two rotating portions 2 and bolt fasteners 34 for locking the two locking plates 33, through holes are correspondingly formed in the two locking plates 33, bolts of the bolt fasteners 34 sequentially pass through the through holes of the two locking plates 33, and nuts of the bolt fasteners 34 lock the bolts and the locking plates 33.

The utility model provides a wind-powered electricity generation blade tuber pipe mounting, including be used for with wind-powered electricity generation blade web paste the connection base and articulate being used for on connection base and encircle two rotation portions on connection base with the tuber pipe, during fixed tuber pipe, only connection base and blade web fixed connection, tuber pipe demountable installation is between two rotation portions, and two rotation portions pass through locking device and can dismantle the connection, and relative connection base can be opened wantonly or the lock, and the tuber pipe is fixed very firm, and installation easy operation, be convenient for maintenance and change, and effectively the cost is reduced.

The above description is only for the specific embodiments of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.

Claims

1. The utility model provides a wind-powered electricity generation blade tuber pipe mounting, its characterized in that, including be used for with wind-powered electricity generation blade web paste connection base (1), articulate two rotation portion (2) and cooperation that are used for on connection base (1) encircle the tuber pipe on connection base (1) and locate two rotation portion (2) on be used for can dismantle locking device (3) of connection with two rotation portion (2).

2. The wind turbine blade air pipe fixing member according to claim 1, wherein the locking device (3) comprises a locking buckle (31) and a clasp (32) respectively disposed at the free ends of the two rotating portions (2), the locking buckle (31) is provided with a buckle frame (311) opposite to the clasp (32), and the clasp (32) hooks the buckle frame (311) to tighten the two rotating portions (2) with each other.

3. The wind turbine blade air pipe fixing member as claimed in claim 2, wherein the locking buckle (31) is disposed at the free end of the rotating portion (2) through a locking buckle fixing member (21) and a locking buckle elastic pin (22), and the locking buckle fixing member (21) comprises a fastening screw (211) fixed on the rotating portion (2) for passing through the locking buckle (31) and a fastening nut (212) for fixing the locking buckle (31).

4. The wind turbine blade air pipe fixing member as defined in claim 1, wherein the rotating portion (2) is a steel strip structure or a steel plate structure having a circular arc-shaped width extending along the length direction of the air pipe.

5. The wind turbine blade air pipe fixing member according to any one of claims 1 to 4, wherein the connecting base (1) comprises a flat connecting portion (11) and a bearing portion (12) connected with the connecting portion (11), the connecting portion (11) is used for being adhered with a wind turbine blade web, the bearing portion (12) is used for being hinged with the rotating portion (2), and a bearing surface of the bearing portion (12) is matched with the surface of the air pipe.

6. Wind turbine blade air hose fixture according to any of claims 1-4, characterised in that the surface of the connection base (1) for carrying the air hose is provided with a heat insulating material (13).

7. The wind turbine blade air hose fixing member according to any one of claims 1 to 4, wherein the surface of the rotating part (2) for bearing the air hose is padded with a layer of rubber.

8. The wind power blade air pipe fixing member according to claim 1, wherein the locking device (3) comprises locking pieces (33) respectively arranged at free ends of the two rotating portions (2) and bolt fasteners (34) for locking the two locking pieces (33), through holes are correspondingly formed in the two locking pieces (33), bolts of the bolt fasteners (34) sequentially penetrate through the through holes of the two locking pieces (33), and nuts of the bolt fasteners (34) lock the bolts and the locking pieces (33).

9. The wind turbine blade air pipe fixing member as claimed in any one of claims 1 to 4, wherein a plurality of locking devices (3) are distributed on the rotating portion (2) along the length direction of the air pipe.

10. The wind turbine blade air pipe fixing member according to any one of claims 1 to 4, wherein the rotating part (2) is hinged to the connecting base (1) through a pin shaft (14) and a cotter pin (15) arranged at the end of the pin shaft (14), and the axial direction of the pin shaft (14) is along the length direction of the air pipe.