CN211777832U

CN211777832U - Portable manual barring gear of wind generating set

Info

Publication number: CN211777832U
Application number: CN202020153990.3U
Authority: CN
Inventors: 付华强; 高原生
Original assignee: Dongfang Electric Wind Power Co Ltd
Current assignee: Dongfang Electric Wind Power Co Ltd
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-10-27
Anticipated expiration: 2030-02-06

Abstract

The utility model discloses a portable manual barring device of wind generating set, manual barring device includes support, gear, electric spanner and brake disc at least, wherein, the support is fixed in on generating set's the gear box, gear has set firmly on the support, electric spanner with gear on the gear meets, the brake disc assemble in on the high-speed shaft of gear box, just the brake disc with the external tooth of gear meshes the connection, realizes by electric spanner through gear and brake disc drive high-speed shaft rotate, accomplishes to carry out the barring operation to generating set. Through the utility model discloses the structural design of device for this manual barring gear has simple structure, weight and small, easily dismouting and carrying, characteristics low in manufacturing cost. And an operator can use one set of barring gear to realize barring for a plurality of units in one wind field.

Description

Portable manual barring gear of wind generating set

Technical Field

The utility model belongs to the technical field of portable manual barring, especially, relate to portable manual barring gear of force generating set.

Background

When a wind generating set is hoisted and operated and maintained, installation or maintenance personnel sometimes need to enter a wind wheel hub for operation, in order to prevent personnel from being injured due to rotation of the wind wheel hub after the personnel enter the wind wheel hub, blades of the wind generating set need to be retracted and shut down, then a barring gear is used for barring the wind wheel, a locking pin hole in the wind wheel is adjusted, the locking pin hole is aligned with a locking pin on a host, and the wind wheel is locked by the locking pin.

Along with wind generating set power and the gradual increase of wind wheel diameter in recent years, to the double-fed wind generating set who has the gear box, the operation that traditional adoption manual rotation brake disc comes the barring is very hard, can not satisfy the high-efficient demand of maintaining of fan, for the demand of solving high-power long blade wind generating set barring, there has been the electronic barring scheme of producer design, this scheme includes drive power source (motor and reduction gear), support and high-speed brake disc, this kind of electronic barring device structure is complicated, high in manufacturing cost, and is heavy, it is inconvenient to dismantle the installation and carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to overcome the problems in the prior art, the portable manual barring device for the wind generating set is provided, and the problem that the manual barring operation of the high-power long-blade wind generating set is difficult is solved.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a portable manual barring device of wind generating set, manual barring device includes support, gear, electric spanner and brake disc at least, wherein, on the support was fixed in generating set's gear box, gear has set firmly on the support, electric spanner with gear on the gear meets, the brake disc assemble in on the high-speed axle of gear box, just the brake disc with the external tooth of gear meshes the connection, realizes being rotated by electric spanner through gear and brake disc drive high-speed axle, accomplishes and carries out the barring operation to generating set.

According to a preferred embodiment, the gear device at least comprises a shaft rod and a gear, one end of the shaft rod is connected with the support, the other end of the shaft rod is sleeved with the gear, and the end part of the gear is provided with a connecting part.

According to a preferred embodiment, the connecting part of the gear is of an outer hexagonal nut structure; the electric wrench is connected with the connecting part of the gear through a sleeve.

According to a preferred embodiment, the shaft is connected to the support via a screw-fit connection.

According to a preferred embodiment, a sliding bearing is arranged between the shaft and the gear; a first gasket and a second gasket are respectively arranged at two ends of the gear, and the first gasket and the second gasket are sleeved on the shaft; the end part of one end of the shaft rod is also provided with an elastic retainer ring, and the elastic retainer ring is positioned on the outer side of the second gasket and used for limiting the gear.

According to a preferred embodiment, the support is further provided with a support frame, and the support frame is provided with a limiting beam for supporting or limiting a reaction force arm of the electric wrench.

According to a preferred embodiment, the limiting beam is a channel steel.

According to a preferred embodiment, the supporting frame further comprises a bottom plate, and the limiting beam is perpendicular to the bottom plate.

According to a preferred embodiment, the base plate is connected to the support via screws.

The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; and the utility model discloses also can the independent assortment between (each non-conflict selection) selection and between other choices. The technical solutions to be protected by the present invention, which are various combinations that can be known to those skilled in the art based on the prior art and the common general knowledge after understanding the present invention, are not exhaustive herein.

The utility model has the advantages that: through the utility model discloses the structural design of device for this manual barring gear has simple structure, weight and small, easily dismouting and carrying, characteristics low in manufacturing cost. And an operator can use one set of barring gear to realize barring for a plurality of units in one wind field.

Drawings

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic view of a gear assembly of the present invention;

FIG. 3 is a schematic structural view of a support frame in the device of the present invention;

the device comprises a gear box 1, a support 2, a screw 3, a high-speed shaft 4, a support frame 5, a bottom plate 51, a limiting beam 52, a gear device 6, a shaft rod 61, a first gasket 62, a sliding bearing 63, a gear 64, a second gasket 65, a circlip 66, a sleeve 7, an electric wrench 8 and a brake disc 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are 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 some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Additionally, the utility model discloses it is pointed out that, in the utility model, if do not write out structure, connection relation, positional relationship, power source relation etc. that concretely relates to very much, then the utility model relates to a structure, connection relation, positional relationship, power source relation etc. are technical personnel in the field on prior art's basis, can not learn through creative work.

Example 1:

referring to fig. 1, 2 and 3, a portable manual barring gear for a wind generating set is shown. Through the manual barring gear, the efficient barring of the generator set is realized.

Preferably, the manual turning gear comprises at least a support 2, a gear device 6, an electric wrench 8 and a brake disc 9.

The support 2 is fixed on a gear box 1 of the generator set, and a gear device 6 is fixedly arranged on the support 2. The structural support of the gear arrangement 6 is accomplished by means of said support 2.

Preferably, the electric wrench 8 is connected with a gear 64 on the gear device 6, the brake disc 9 is assembled on the high-speed shaft 4 of the gear box 1, and the brake disc 9 is engaged with the outer teeth of the gear 64. The electric wrench 8 drives the high-speed shaft 4 to rotate through the gear 64 and the brake disc 9, and turning operation of the generator set is completed.

Preferably, said gear means 6 comprise at least a shaft 61 and a gear 64. One end of the shaft rod 61 is connected with the support 2, the other end of the shaft rod 61 is sleeved with a gear 64, and the end part of the gear 64 is provided with a connecting part.

Further, the connecting portion of the gear 64 is of an outer hexagonal nut structure. The electric wrench 8 is connected with the connecting part of the gear 64 through the sleeve 7. Thereby achieving the rotation of the gear 64 by the electric wrench 8. The driving of the brake disc 9 is further completed, so that the driving of the high-speed shaft 4 of the gear box 1 is realized, and the turning operation of the generator set is completed.

Preferably, the shaft 61 is connected to the support 2 by means of a screw-fit connection.

Preferably, a sliding bearing 63 is provided between the shaft 61 and the gear 64. So that the gear 64 can rotate relative to the shaft 61.

Further, a first washer 62 and a second washer 65 are respectively arranged at two ends of the gear 64. And a first washer 62 and a second washer 65 are sleeved on the shaft.

Preferably, the end of one end of the shaft 61 is further provided with a circlip 66, and the circlip 66 is located outside the second washer 65 for limiting the gear 64.

Preferably, a support frame 5 is further arranged on the support 2. And the supporting frame 5 is provided with a limiting beam 52 for supporting or limiting the reaction force arm of the electric wrench 8. The supporting and limiting of the reaction force arm of the electric wrench 8 are completed through the supporting frame 5, so that the operation difficulty of workers is reduced.

Further, the limiting beam 52 is a channel steel.

Preferably, the supporting frame 5 further includes a bottom plate 51, and the limiting beam 52 is perpendicular to the bottom plate 51. The base plate 51 is connected to the support 2 via screws 3.

After the turning of the generator set is finished and before the generator set is recovered to operate, the gear device 6 needs to be detached, and the support frame 5 can be detached optionally, so that the operation of the generator set is not influenced.

Through the utility model discloses the structural design of device for this manual barring gear has simple structure, weight and small, easily dismouting and carrying, characteristics low in manufacturing cost. And an operator can use one set of barring gear to realize barring for a plurality of units in one wind field.

The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A portable manual barring gear of a wind generating set is characterized by at least comprising a support (2), a gear device (6), an electric wrench (8) and a brake disc (9),

wherein the support (2) is fixed on a gear box (1) of the generator set, a gear device (6) is fixedly arranged on the support (2), the electric wrench (8) is connected with a gear (64) on the gear device (6),

brake disc (9) assemble in on high-speed shaft (4) of gear box (1), just brake disc (9) with the external tooth of gear (64) carries out the meshing and is connected, realizes by electric spanner (8) through gear (64) and brake disc (9) drive high-speed shaft (4) and rotate, accomplishes and carries out the barring operation to generating set.

2. The portable manual barring gear of a wind generating set according to claim 1, wherein the gear device (6) comprises at least a shaft (61) and a gear (64), one end of the shaft (61) is connected with the support (2), the other end of the shaft (61) is sleeved with the gear (64), and an end of the gear (64) is provided with a connecting part.

3. The portable manual barring gear of the wind generating set according to claim 2, wherein the connection portion of the gear (64) is of an outer hexagonal nut structure;

the electric wrench (8) is connected with the connecting part of the gear (64) through a sleeve (7).

4. A portable manual barring gear according to claim 2, characterised in that said shaft (61) is connected to said support (2) by means of a screw-fit connection.

5. The portable manual barring gear of a wind generating set according to claim 2, wherein a sliding bearing (63) is provided between the shaft (61) and the gear (64);

a first gasket (62) and a second gasket (65) are respectively arranged at two ends of the gear (64), and the first gasket (62) and the second gasket (65) are sleeved on the shaft rod (61);

the end part of one end of the shaft rod (61) is further provided with a circlip (66), and the circlip (66) is located on the outer side of the second gasket (65) and used for limiting the gear (64).

6. The portable manual barring gear of the wind generating set according to claim 1, wherein a support frame (5) is further provided on the support (2), and a limiting beam (52) for supporting or limiting a reaction force arm of the electric wrench (8) is provided on the support frame (5).

7. The portable manual barring gear of the wind generating set according to claim 6, wherein the limiting beam (52) is a channel steel.

8. The portable manual barring gear of the wind generating set according to claim 7, wherein the support frame (5) further comprises a bottom plate (51), and the limiting beam (52) is arranged perpendicular to the bottom plate (51).

9. The portable manual barring gear of a wind generating set according to claim 8, wherein the base plate (51) is connected to the support (2) via a screw (3).