CN216951171U

CN216951171U - Guide positioning pin for wind power blade

Info

Publication number: CN216951171U
Application number: CN202123212472.8U
Authority: CN
Inventors: 陶鸿安; 张奕
Original assignee: SHANGHAI JINMA HIGH STRENGTH FASTENER CO Ltd
Current assignee: SHANGHAI JINMA HIGH STRENGTH FASTENER CO Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-12
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a guide positioning pin for a wind power blade, which comprises a pin body, wherein the pin body comprises a connecting part, a positioning part and a guide part, one end of the positioning part is connected with the connecting part, the outer diameter of the positioning part is larger than that of the connecting part, the guide part is in a circular truncated cone shape, the large end face of the guide part is connected with the other end of the positioning part, and the small end face of the guide part is provided with a first inwards-concave connecting groove. The guide part plays a role in guiding, so that the guide positioning pin can be conveniently inserted; meanwhile, the first connecting groove and the connecting part facilitate the installation and connection of the guide positioning pin, so that the guide positioning pin is effectively prevented from moving in the positioning hole; and can be connected with first connecting groove or adapting unit with the mobile location of drive direction locating pin through mounting tool, positioning accuracy is high, and the installation location is diversified, and it is very convenient to use.

Description

Guide positioning pin for wind power blade

Technical Field

The utility model relates to a guide positioning pin for a wind power blade.

Background

In recent years, with the rapid development of the wind power blade industry, the design length and the volume of the wind power blade are continuously refreshed. Not only is the design height and weight of the main web greatly improved, but also the side webs are added at the rear edge area, so that the positioning of the main web and the side webs is very important. At present, a conventional guide pin is inserted into a positioning hole and only plays a positioning role in a single direction, and the guide pin is easy to move in the positioning hole in the using process, so that the positioning precision is poor. Meanwhile, a knocking tool is required to drive the guide pin into the positioning hole, so that the precision requirement of the guide pin is greatly influenced, and the guide pin is complex and single to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a guide positioning pin for a wind power blade.

The utility model is realized by the following technical scheme:

the utility model provides a guide positioning pin for wind-powered electricity generation blade, its includes the round pin body, the round pin body includes adapting unit, locating part and guide part, locating part's one end connect in adapting unit, just locating part's external diameter is greater than adapting unit's external diameter, guide part's shape is the round platform form, guide part's big terminal surface connect in locating part's the other end, guide part's little terminal surface has inside sunken first connecting groove.

Further, the small end face of the guide part is also provided with a first internal thread groove which is inwards sunken from the groove bottom of the first connecting groove.

Further, the groove bottom of the first internal thread groove is provided with a first positioning groove which is inwards sunken.

Further, the outer surface of the connecting member has an external thread.

Further, one end of the connecting part, which is far away from the positioning part, is provided with a second connecting groove which is inwards concave.

Further, one end, far away from the positioning part, of the connecting part is also provided with a second internal thread groove, and the second internal thread groove is inwards sunken from the groove bottom of the second connecting groove.

Further, the groove bottom of the second internal thread groove is provided with a second positioning groove which is inwards sunken.

Further, the first connecting groove is shaped like an inner hexagon.

Further, the guiding positioning pin for the wind power blade further comprises an inclined transition portion, and two ends of the inclined transition portion are connected to the connecting component and the positioning component respectively.

Further, the outer surface of the pin body has a corrosion resistant layer.

The utility model has the beneficial effects that: the guide part plays a role in guiding, so that the guide positioning pin can be conveniently inserted; meanwhile, the first connecting groove and the connecting part facilitate the installation and connection of the guide positioning pin, so that the guide positioning pin is effectively prevented from moving in the positioning hole; and can be connected with first connecting groove or adapting unit with the mobile location of drive direction locating pin through mounting tool, positioning accuracy is high, and the installation location is diversified, and it is very convenient to use.

Drawings

Fig. 1 is a schematic structural view of a guide dowel for a wind turbine blade according to embodiment 1 of the present invention.

Fig. 2 is another perspective structural diagram of a guide positioning pin for a wind turbine blade according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a guide positioning pin for a wind turbine blade according to embodiment 2 of the present invention.

Description of reference numerals:

pin body 10

Guide member 1

First coupling groove 11

First female screw groove 12

First positioning groove 13

Positioning part 2

Connecting part 3

Second coupling groove 31

Second female screw groove 32

Second positioning groove 33

External thread 34

Inclined transition 4

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the utility model may be practiced.

Example 1

As shown in fig. 1 and fig. 2, the embodiment discloses a guide positioning pin for a wind power blade, the guide positioning pin for a wind power blade includes a pin body 10, the pin body 10 includes a connecting component 3, a positioning component 2 and a guide component 1, one end of the positioning component 2 is connected to the connecting component 3, the outer diameter of the positioning component 2 is larger than that of the connecting component 3, the guide component 1 is in a circular truncated cone shape, the large end face of the guide component 1 is connected to the other end of the positioning component 2, and the small end face of the guide component 1 is provided with a first connecting groove 11 which is recessed inwards.

The shape of the guide component 1 is round table shape, so that the guide component 1 plays a role of guiding, and even if a small error exists, the guide component 1 can be conveniently inserted into the positioning hole when in use. The first connecting groove 11 can be connected with a component in the positioning hole, so that the guide positioning pin is effectively prevented from moving in the positioning hole, and the guide positioning pin is accurately positioned; it is also possible to connect with a mounting tool via the first connecting groove 11, the mounting tool exerting a force on the guide member 1 and driving the movement of the guide pin to effect insertion of the guide member 1 into the positioning hole. Meanwhile, the connecting part 3 can be connected with a structure to realize the accurate positioning of the guide positioning pin; the guide positioning pin is effectively prevented from moving in the positioning hole; the connecting part 3 can be connected with an installation tool, and the installation tool applies acting force on the connecting part 3 and drives the guide positioning pin to move so as to insert the guide positioning pin into the positioning hole. The embodiment is used for the guide positioning pin of wind-powered electricity generation blade, and positioning accuracy is high, and the installation location is diversified, and it is very convenient to use.

In the present embodiment, the first coupling groove 11 has a hexagonal socket shape. The socket head wrench can be inserted into the first connecting groove 11 and act on the guide member 1, so that the rotation of the pin body 10 can be driven to realize the connection of the connecting member 3 with the structure; the pin body 10 is inserted into the positioning hole and is connected with a component in the positioning hole through the first connecting groove 11, so that the pin body 10 is effectively prevented from rotating in the positioning hole, and the stability of the guide positioning pin is greatly improved; meanwhile, the inner hexagonal shape has a simple structure and is convenient to process and manufacture. Of course, in other embodiments, the shape of the first connecting groove 11 may also take other shapes, and may not be limited specifically.

The small end surface of the guide member 1 further has a first female screw groove 12, and the first female screw groove 12 is recessed inward from the groove bottom of the first coupling groove 11. The first internal thread groove 12 can be in threaded connection with a structure, so that the pin body 10 is accurately positioned in the positioning hole without moving, the positioning accuracy is high, and the stability is high; meanwhile, the installation tool is connected with the first internal thread groove 12, so that the pin body 10 can be driven to move to realize the installation, the disassembly and the replacement of the guide positioning pin, and the use is very convenient. Meanwhile, the first internal thread groove 12 has a simple structure and is very convenient to process and manufacture.

The groove bottom of the first female thread groove 12 has a first positioning groove 13 depressed inward. The first positioning groove 13 has an accurate positioning function, and the parts in the first positioning groove 13 and the positioning hole are inserted into each other for positioning, so that the accurate positioning effect of the guide positioning pin is further improved. Meanwhile, in the present embodiment, the first positioning groove 13 is provided in the guide member 1 at the center of the end surface facing away from the positioning member 2, and the first positioning groove 13 can assist in positioning when the pin body 10 is machined, so that high machining accuracy is achieved.

In the present embodiment, one end of the connecting member 3 remote from the positioning member 2 has a second connecting groove 31 recessed inward. The second connecting groove 31 is machined and manufactured at one end, far away from the positioning part 2, of the connecting part 3, so that the structure is simple, and the machining and manufacturing are convenient; meanwhile, the second connecting groove 31 can be connected with a positioning component, so that the movement of the guide positioning pin is effectively avoided, and the accurate positioning of the guide positioning pin is realized; can also be connected with mounting tool through second connecting groove 31, mounting tool with effort on adapting unit 3 and the removal of drive direction locating pin to realize that guide part 1 inserts to the locating hole, positioning accuracy is high, and the installation location is diversified, and it is very convenient to use.

The connecting member 3 also has a second internally threaded groove 32 at an end thereof remote from the positioning member 2, the second internally threaded groove 32 being recessed inwardly from the groove bottom of the second connecting groove 31. The second connecting groove 31 can be in threaded connection with the structure, so that the pin body 10 is accurately positioned in the positioning hole without moving, the positioning accuracy is high, and the stability is high; meanwhile, the installation tool is connected with the second connecting groove 31, the pin body 10 can be driven to move so as to realize the installation, the disassembly and the replacement of the guide positioning pin, and the use is very convenient. Meanwhile, the second connecting groove 31 has a simple structure and is very convenient to process and manufacture.

The groove bottom of the second internally threaded groove 32 has a second positioning groove 33 recessed inward. The second positioning groove 33 has an accurate positioning function, and the second positioning groove 33 and the positioning part are inserted into each other for positioning, so that the accurate positioning effect of the guide positioning pin is further improved. Meanwhile, in the present embodiment, the second positioning groove 33 is provided in the connecting member 3 at the center of the end surface facing away from the positioning member 2, and the second positioning groove 33 can assist in positioning when the pin body 10 is processed, thereby achieving high processing accuracy.

The guide positioning pin for the wind power blade further comprises an inclined transition part 4, and two ends of the inclined transition part 4 are connected to the connecting part 3 and the positioning part 2 respectively. Connect in adapting unit 3 and locating component 2 through slope transition portion 4 for it is more stable to be connected between adapting unit 3 and the locating component 2, effectively avoids the fracture phenomenon. In the present embodiment, the outer surface of the inclined transition portion 4 is an inclined surface, and the inclination angle between the inclined surface and the outer peripheral surfaces of the connecting member 3 and the positioning member 2 is 20 degrees. Simple structure and convenient processing and manufacturing.

The outer surface of the pin body 10 has a corrosion-resistant layer. The hardness of the pin body 10 can be effectively increased through the anticorrosive coating, and the wear resistance, corrosion resistance and seizure resistance of the pin body 10 are improved. The outer surface of the pin body 10 can be subjected to Dacromet treatment, and the thickness of the anticorrosive coating is more than 0.01 mm and less than 0.02 mm.

Example 2

As shown in fig. 3, the structure of the guide positioning pin for the wind turbine blade of embodiment 2 is not repeated as the same as that of embodiment 1, and only the difference will be described. In the present embodiment 2, the outer surface of the connecting member 3 has an external thread 34. The external thread 34 can be in threaded connection with a structure, so that the pin body 10 is accurately positioned in the positioning hole without moving, and the positioning precision and the stability are high; meanwhile, the installation tool is connected with the external thread 34, so that the pin body 10 can be driven to move to realize the installation, the disassembly and the replacement of the guide positioning pin, and the use is very convenient. Meanwhile, the external thread 34 has a simple structure and is very convenient to process and manufacture.

While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a guide positioning pin for wind-powered electricity generation blade, its characterized in that, it includes the round pin body, the round pin body includes adapting unit, locating part and guide part, locating part's one end connect in adapting unit, just locating part's external diameter is greater than adapting unit's external diameter, guide part's shape is the round platform form, guide part's big terminal surface connect in locating part's the other end, guide part's little terminal surface has inside sunken first connecting groove.

2. The guide dowel for wind blades according to claim 1, wherein the small end surface of the guide member further has a first internally threaded groove recessed inward from the bottom of the first connection groove.

3. The guide dowel for a wind turbine blade of claim 2, wherein the bottom of the first internally threaded groove has a first locating groove that is inwardly recessed.

4. Guide pin for wind blades according to claim 1, characterized in that the outer surface of the connecting part has an external thread.

5. The guide dowel for a wind turbine blade of claim 1, wherein the end of the connecting member distal from the locating member has a second connecting groove recessed inwardly.

6. The guide positioning pin for the wind power blade according to claim 5, wherein one end of the connecting member, which is far away from the positioning member, is further provided with a second internally threaded groove, and the second internally threaded groove is recessed inwards from the bottom of the second connecting groove.

7. The guide dowel for a wind turbine blade according to claim 6, wherein the bottom of the second internally threaded groove has a second positioning groove recessed inward.

8. The guide dowel for wind blades according to claim 1, wherein said first coupling groove is shaped as an internal hexagonal socket.

9. The guide positioning pin for the wind power blade according to claim 1, further comprising an inclined transition portion, wherein both ends of the inclined transition portion are respectively connected to the connecting member and the positioning member.

10. The guide dowel for a wind blade of claim 1, wherein the outer surface of the dowel body has a corrosion resistant coating.