CN216812479U

CN216812479U - A locknut for wind-powered electricity generation gearbox

Info

Publication number: CN216812479U
Application number: CN202122901297.7U
Authority: CN
Inventors: 胡绍鑫; 赵科; 吴明然
Original assignee: Suzhou Dtflock Precision Fastener Co ltd
Current assignee: Suzhou Dtflock Precision Fastener Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-24
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a locknut for a wind power gearbox, which comprises a nut main body, wherein a groove body is arranged at the front end of the nut main body, a cavity is arranged at the inner position of the nut main body, a screw is arranged at the upper end of the cavity in an inserting manner through threads, a driving wheel is fixedly arranged at the top end of the screw, a driving belt is arranged between the driving wheels in a surrounding manner, an extrusion block is fixedly arranged at the bottom end of the screw, a placement groove is arranged at the inner position of the nut main body, and a fixed shaft is fixedly arranged at the lower end of the interior of the placement groove. According to the nut body fixing device, after the nut body is installed, a user rotates the transmission wheel, so that the screw rod moves downwards, the extrusion block is forced to extrude the fixing block, the movable rod moves until the limiting plate is extruded, the limiting plate is stretched by the spring, the limiting plate is attached to the outer side of the main body screw rod, the nut body is prevented from being separated from the outer side of the main body screw rod, and the fixing effect is effectively guaranteed.

Description

A locknut for wind-powered electricity generation gearbox

Technical Field

The utility model relates to the field of nut equipment, in particular to a locknut for a wind power gearbox.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials.

The existing nut of the wind power gearbox is easy to disengage from a fixed position due to vibration or loosening in long-term use when in use, so that the fixed position is not firm, the use of the whole equipment is influenced, and the nut at a key part has great potential safety hazard when being loosened, so that the problem is solved urgently by a device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locknut for a wind power gearbox, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the locknut for the wind power gearbox comprises a nut main body, wherein a groove body is arranged at the front end of the nut main body, a cavity is arranged in the nut main body, a screw is arranged at the upper end of the cavity in an inserting mode through threads, a driving wheel is fixedly arranged at the top end of the screw in a fixed mode, a driving belt is arranged between the driving wheels in a surrounding mode and is convenient to link the driving wheel, an extrusion block is fixedly arranged at the bottom end of the screw, a placing groove is arranged in the nut main body, a fixed shaft is fixedly arranged at the lower end of the interior of the placing groove, a limiting plate is movably sleeved at the outer side end of the fixed shaft and rotates around the fixed shaft, a spring is fixedly connected between the limiting plate and the inner side wall of the placing groove, and when the nut main body is sleeved at the outer side end of the screw of the main body, the limiting plate is recovered to the interior of the placing groove by the spring elasticity, thereby guarantee the normal of nut main part and cup joint, make things convenient for the normal use of nut main part, the inside position activity of nut main part alternates and is provided with the movable rod, the movable rod is close to cavity one side end position fixed mounting and is provided with the fixed block, and the user rotates the drive wheel after the installation of nut main part is accomplished to make the screw rod downstream, force the extrusion piece extrusion fixed block, make the movable rod remove, until extrudeing the limiting plate, make limiting plate extension spring, make the limiting plate hug closely in the main part screw rod outside, thereby prevent that the nut main part from breaking away from outside the main part screw rod, effectively guarantee fixed effect.

Preferably, the tank body is of a circular ring shape.

Preferably, the top end of the driving wheel is provided with a cross groove, so that the driving wheel can be conveniently rotated.

Preferably, the extrusion block is a conical block, and the outer surface is a smooth surface.

Preferably, one side end of the movable rod extends into the placing groove, and the other side end of the movable rod extends into the cavity.

Preferably, the upper end face of the fixing block is a smooth inclined face, and the upper end face of the fixing block is attached to the outer side face of the extrusion block.

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

1. when the nut main body is sleeved at the outer end position of the main body screw rod, the limiting plate is recovered to the interior of the arranging groove by the elasticity of the spring, so that the normal sleeving of the nut main body is ensured, and the normal use of the nut main body is facilitated;

2. according to the nut body fixing device, after the nut body is installed, a user rotates the transmission wheel, so that the screw rod moves downwards, the extrusion block is forced to extrude the fixed block, the movable rod moves until the limiting plate is extruded, the limiting plate stretches the spring, the limiting plate is attached to the outer side of the main body screw rod, the nut body is prevented from being separated from the outer side of the main body screw rod, and the fixing effect is effectively guaranteed.

Drawings

FIG. 1 is a top view of the overall structure of a locknut for a wind power gearbox of the present invention;

FIG. 2 is a cross-sectional view of the main body of the locknut for the wind power gearbox of the present invention;

FIG. 3 is a perspective view of an extrusion block of the locknut for the wind power gearbox.

In the figure: 1. a nut body; 2. a trough body; 3. a driving wheel; 4. a cross groove; 5. a transmission belt; 6. a screw; 7. a cavity; 8. extruding the block; 9. a fixed block; 10. a placing groove; 11. a fixed shaft; 12. a limiting plate; 13. a spring; 14. a movable rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the locknut for the wind power gearbox comprises a nut main body 1, wherein a groove body 2 is arranged at the front end of the nut main body 1, the groove body 2 is annular, a cavity 7 is arranged at the inner position of the nut main body 1, a screw 6 is arranged at the upper end of the cavity 7 in a threaded penetrating manner, a driving wheel 3 is fixedly arranged at the top end of the screw 6, a cross groove 4 is arranged at the top end of the driving wheel 3, a driving belt 5 is arranged between the driving wheels 3 in a surrounding manner, the driving belt 5 is convenient for linking the driving wheel 3, an extrusion block 8 is fixedly arranged at the bottom end of the screw 6, the extrusion block 8 is a conical block, the outer surface of the extrusion block is a smooth surface, a placement groove 10 is arranged at the inner position of the nut main body 1, a fixed shaft 11 is fixedly arranged at the inner lower end of the placement groove 10, and a limit plate 12 is movably sleeved at the outer end of the fixed shaft 11, the limiting plate 12 rotates around the fixed shaft 11, the spring 13 is fixedly connected between the limiting plate 12 and the inner side wall of the containing groove 10, when the nut body 1 is sleeved at the outer end position of the screw rod of the body, the limiting plate 12 is recovered to the inside of the containing groove 10 by the elasticity of the spring 13 at the moment, so that the normal sleeving of the nut body 1 is ensured, the normal use of the nut body 1 is facilitated, the movable rod 14 is movably inserted and arranged at the inner position of the nut body 1, one side end of the movable rod 14 extends to the inside of the containing groove 10, the other side end extends to the inside of the cavity 7, the fixed block 9 is fixedly arranged at the position of the movable rod 14 close to one side end position of the cavity 7, the upper end surface of the fixed block 9 is a smooth inclined surface, the upper end surface of the fixed block 9 is attached to the outer side surface of the extrusion block 8, and a user rotates the transmission wheel 3 after the nut body 1 is installed, so that the screw rod 6 moves downwards, force extrusion piece 8 extrusion fixed block 9 for the movable rod 14 removes, makes limiting plate 12 extension spring 13 until extrudeing limiting plate 12, makes limiting plate 12 hug closely in the main part screw rod outside, thereby prevents that nut main part 1 from breaking away from in the main part screw rod outside, effectively guarantees fixed effect.

The working principle is as follows: the utility model discloses a cup joint when main part screw rod outside end position when nut main part 1, limiting plate 12 is retrieved to the inslot 10 inside by spring 13 elasticity this moment, thereby guarantee that nut main part 1 normally cup joints, make things convenient for nut main part 1's normal use, user rotation drive wheel 3 after 1 installation of nut main part is accomplished, thereby make screw rod 6 downstream, force 8 extrusion fixed blocks 9 of stripper block, make the movable rod 14 remove, until extrudeing limiting plate 12, make limiting plate 12 extension spring 13, make limiting plate 12 hug closely in the main part screw rod outside, thereby prevent that nut main part 1 from breaking away from the main part screw rod outside, effectively guarantee fixed effect, and the nut screw rod fixing device has a simple structure, high durability and convenient use, and good use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locknut for wind-powered electricity generation gearbox, includes nut main part (1), its characterized in that: the nut is characterized in that a groove body (2) is arranged at the front end of a nut main body (1), a cavity (7) is arranged in the nut main body (1), a screw (6) is arranged at the upper end of the cavity (7) in an inserting mode through threads, a driving wheel (3) is fixedly arranged at the top end of the screw (6), a driving belt (5) is arranged between the driving wheels (3) in a surrounding mode, an extrusion block (8) is fixedly arranged at the bottom end of the screw (6), a placing groove (10) is arranged in the nut main body (1), a fixed shaft (11) is fixedly arranged at the lower end of the placing groove (10), a limiting plate (12) is movably sleeved at the outer side end of the fixed shaft (11), and a spring (13) is fixedly connected between the limiting plate (12) and the inner side wall of the placing groove (10), the nut is characterized in that a movable rod (14) is movably inserted into the inner position of the nut body (1), and a fixed block (9) is fixedly installed at the position, close to one side of the cavity (7), of the movable rod (14).

2. The locknut for a wind power gearbox according to claim 1, wherein: the tank body (2) is of a circular ring type.

3. The locknut for the wind power gearbox according to claim 2, wherein: the top end of the driving wheel (3) is provided with a cross groove (4).

4. The locknut for a wind power gearbox according to claim 3, wherein: the extrusion block (8) is a conical block, and the outer surface of the extrusion block is a smooth surface.

5. The locknut for a wind power gearbox according to claim 4, wherein: one side end of the movable rod (14) extends into the placing groove (10), and the other side end extends into the cavity (7).

6. The locknut for a wind power gearbox according to claim 5, wherein: the upper end face of the fixing block (9) is a smooth inclined face, and the upper end face of the fixing block (9) is attached to the outer side face of the extrusion block (8).