CN220519917U - Hydraulic station maintenance device of wind generating set - Google Patents

Abstract

The application provides a wind generating set's hydraulic pressure station maintenance device, this hydraulic pressure station maintenance device include first supporting mechanism, second supporting mechanism and transport mechanism, first supporting mechanism's first sliding rail connect in on the first support and can set up in the top of hydraulic pressure station, the one end of the second sliding rail of second supporting mechanism is connected in the second support, the other end is connected in first support, first sliding rail with all movably be connected with transport mechanism on the second sliding rail, transport mechanism hangs the part that moves the hydraulic pressure station through the hoist. Through the structure, after the transfer mechanism on the first sliding rail lifts the part of the hydraulic station, the part of the hydraulic station can be transferred to the first bracket, and the transfer mechanism on the second sliding rail can continuously transfer the part of the hydraulic station at the first bracket to the second bracket, so that the outward transfer of the part of the hydraulic station is finally realized, and the hydraulic station is convenient to maintain.

Description

Hydraulic station maintenance device of wind generating set

Technical Field

The application relates to the technical field of wind power generation, in particular to a hydraulic station maintenance device of a wind generating set.

Background

Wind energy is becoming more and more interesting as a clean energy source. With the continuous development of the wind power generation industry, wind power generator sets are continuously developed towards the direction of improving the utilization rate of wind energy.

In order to make a wind power plant better use of wind energy, a pitch system is typically provided in the wind power plant. In order to achieve a smooth pitch, a hydraulic station is usually provided in the nacelle of the wind power plant to power the pitch system. In order for the hydraulic station to operate properly and stably, it is an important task that is indispensable for its regular maintenance. However, due to the limitation of the cabin space of the wind generating set and the influence of the weight of the hydraulic station, the maintenance of the hydraulic station is time-consuming and labor-consuming, and is inconvenient.

Disclosure of Invention

In view of the above, the present application provides a hydraulic station maintenance device of a wind turbine generator system, which can make maintenance of a hydraulic station more convenient.

In a first aspect, the present application provides a hydraulic station maintenance device of a wind turbine generator system, where the hydraulic station maintenance device of the wind turbine generator system includes a first support mechanism, a second support mechanism, and a transfer mechanism, where the first support mechanism includes a first bracket and a first slide rail, the first slide rail is connected to the first bracket, and the first slide rail can be disposed above the hydraulic station; the second support mechanism comprises a second bracket and a second sliding rail, the second bracket and the first bracket are arranged at intervals, one end of the second sliding rail is connected with the second bracket, and the other end of the second sliding rail is connected with the first bracket; and the first sliding rail and the second sliding rail of the transfer mechanism are both movably connected with the transfer mechanism, and the transfer mechanism can be connected with a part of the hydraulic station through a lifting appliance to lift the part of the hydraulic station for movement.

According to the hydraulic station maintenance device provided by some embodiments of the present application, one end of the second sliding rail, which is far away from the second bracket, is rotatably connected to the first bracket.

According to the hydraulic station maintenance device provided by some embodiments of the application, one end of the second sliding rail, which is far away from the second bracket, is provided with the rotating shaft, and the second sliding rail is rotationally connected to the first bracket through the rotating shaft.

According to the hydraulic station maintenance device provided by some embodiments of the application, two first supports are arranged, the two first supports are arranged at intervals and are respectively arranged on two opposite sides of the hydraulic station, and two ends of the first sliding rail are respectively connected with the two first supports.

According to the hydraulic station maintenance device provided by some embodiments of the application, the first supports are provided with the connecting structures, and the connecting structures on the two first supports are respectively connected to two side surfaces of the hydraulic station, which are oppositely arranged.

According to the hydraulic station maintenance device provided by some embodiments of the application, the transfer mechanism comprises a pulley and a lifting device, the lifting device is connected to the pulley, and the output end of the lifting device can be connected with a part of the hydraulic station through a lifting appliance.

According to the hydraulic pressure station maintenance device that this application some embodiments provided, transfer mechanism still includes the stabilizer bar, and the stabilizer bar is connected in elevating gear's output, and the both ends of stabilizer bar all are provided with the lug, and the lug passes through the hoist and is connected with the part of hydraulic pressure station.

According to the hydraulic station maintenance device provided by some embodiments of the application, the second sliding rail is provided with a reinforcing structure, and the reinforcing structure is arranged at the end part of the second sliding rail far away from the second bracket.

According to the hydraulic station maintenance device provided by some embodiments of the application, the two ends of the first sliding rail are respectively provided with the first connecting seat, and the first sliding rail is connected to the first bracket through the first connecting seat.

According to the hydraulic station maintenance device provided by some embodiments of the application, the second connecting seat is arranged on the second sliding rail, the second connecting seat is arranged at the end part of the second sliding rail far away from the first bracket, and the second sliding rail is connected to the second bracket through the second connecting seat.

The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:

the application provides a wind generating set's hydraulic pressure station maintenance device, this hydraulic pressure station maintenance device include first supporting mechanism, second supporting mechanism and transport mechanism, first supporting mechanism's first sliding rail connect in on the first support and can set up in the top of hydraulic pressure station, the one end of the second sliding rail of second supporting mechanism is connected in the second support, the other end is connected in first support, first sliding rail with all movably be connected with transport mechanism on the second sliding rail, transport mechanism hangs the part that moves the hydraulic pressure station through the hoist. Through the structure, after the transfer mechanism on the first sliding rail lifts the part of the hydraulic station, the part of the hydraulic station can be transferred to the first bracket, and the transfer mechanism on the second sliding rail can continuously transfer the part of the hydraulic station at the first bracket to the second bracket, so that the outward transfer of the part of the hydraulic station is finally realized, and the hydraulic station is convenient to maintain.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic diagram of a wind turbine generator system hydraulic station maintenance apparatus according to some embodiments of the present disclosure;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a hydraulic station maintenance device for a wind turbine generator system according to some embodiments of the present disclosure;

fig. 4 is an enlarged view at B in fig. 1.

Reference numerals in the detailed description provided in some embodiments of the present application are as follows:

1. a first support mechanism; 11. a first bracket; 111. a connection structure; 112. a first cross bar; 113. a first vertical rod; 12. a first slide rail; 121. a first connection base; 2. a second support mechanism; 21. a second bracket; 211. a brace rod; 22. a second slide rail; 221. a rotating shaft; 222. a reinforcing structure; 223. a second connecting seat; 3. a transfer mechanism; 31. a pulley; 32. a lifting device; 33. a stabilizer bar; 331. lifting lugs; 10. and a hydraulic station.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present application should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present application belong.

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or be integrated; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of embodiments of the present application, unless explicitly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intermediary. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Along with the increasing importance of people to the environment, clean energy is increasingly valued by people. Wind energy is taken as a clean energy source, and is paid attention to by people, so that the development of the wind power industry is faster and faster.

With the wider application of the hydraulic pitch system in the wind generating set, the maintenance of the hydraulic system in the wind generating set becomes a difficult problem for workers. At present, a hydraulic station generally adopts a mode of manually disassembling and carrying components to proper positions for overhauling and maintenance, and the mode is time-consuming and labor-consuming and can easily cause external sundries (shoe dust and the like) to pollute the components.

In order to make maintenance of a hydraulic station of a wind generating set more convenient, some embodiments of the present application provide a hydraulic station maintenance device of a wind generating set, the hydraulic station maintenance device includes a first supporting mechanism, a second supporting mechanism and a transfer mechanism, a first sliding rail of the first supporting mechanism is connected to the first bracket and can be arranged above the hydraulic station, one end of a second sliding rail of the second supporting mechanism is connected to the second bracket, the other end is connected to the first bracket, both the first sliding rail and the second sliding rail are movably connected with the transfer mechanism, and the transfer mechanism lifts a part of the hydraulic station through a lifting appliance to move. Through the structure, the first sliding rail in the hydraulic station maintenance device of the wind generating set can be arranged above the hydraulic station, the transfer mechanism on the first sliding rail can transfer the parts of the hydraulic station to the second bracket after lifting the parts of the hydraulic station, and the transfer mechanism on the second sliding rail can continuously transfer the parts of the hydraulic station at the second bracket so as to realize the disassembly and transfer from the hydraulic station, so that the hydraulic station is convenient to maintain.

The technical scheme of the hydraulic station maintenance device of the wind generating set provided by the specific embodiment of the application is further described below.

Some embodiments of the present application provide a hydraulic station maintenance device of a wind turbine generator system, as shown in fig. 1, where the hydraulic station maintenance device of a wind turbine generator system includes a first support mechanism 1, a second support mechanism 2, and a transfer mechanism 3, where the first support mechanism 1 includes a first bracket 11 and a first slide rail 12, the first slide rail 12 is connected to the first bracket 11, and the first slide rail 12 can be disposed above the hydraulic station 10; the second support mechanism 2 comprises a second support 21 and a second slide rail 22, the second support 21 and the first support 11 are arranged at intervals, one end of the second slide rail 22 is connected with the second support 21, and the other end is connected with the first support 11; a transfer mechanism 3 is movably connected to both the first slide rail 12 and the second slide rail 22, and the transfer mechanism 3 can be connected to the components of the hydraulic station 10 through a lifting tool to lift the components of the hydraulic station 10.

The first support mechanism 1 and the second support mechanism 2 may be support mechanisms for supporting the transfer mechanism 3 by supporting the transfer mechanism 3 such that the transfer mechanism 3 can be disposed above the hydraulic station 10 and above the maintenance position such that the transfer mechanism 3 can lift the components of the hydraulic station 10 and carry them to the maintenance position.

The first slide rail 12 may comprise a track for connecting the transfer mechanism 3, the transfer mechanism 3 being movably connected to the track of the first slide rail 12 such that the transfer mechanism can be moved in the extension direction of the first slide rail 12, such that the transfer mechanism 3 can transfer components of the hydraulic station 10 along the first slide rail 12. The first bracket 11 may be a structure for supporting the first slide rail 12 in the first supporting mechanism 1, which makes the first slide rail 12 be located at a preset height position so that when the transfer mechanism 3 lifts the component of the hydraulic station 10, the lifted component can be separated from other components and lifted to a preset height for subsequent transfer.

The first slide rail 12 can be disposed above the hydraulic station 10, which may mean that the projection of the first slide rail 12 in the vertical direction coincides with the projection of the hydraulic station 10 in the vertical direction, so that the transfer mechanism 3 connected to the first slide rail 12 can be conveniently connected to the components of the hydraulic station 10 through the lifting appliance, and is not easy to deflect when being separated. In some embodiments, the projection of the first slide rail 12 in the vertical direction may be arranged along the central axis of the hydraulic station 10, enabling more components of the hydraulic station 10 to be connected with the transfer mechanism 3.

The second slide rail 22 may comprise a track for connecting the transfer mechanism 3, the transfer mechanism 3 being movably connected to the track of the second slide rail 22 such that the transfer mechanism can be moved in the extension direction of the second slide rail 22, thereby enabling the transfer mechanism 3 to transfer components of the hydraulic station 10 along the second slide rail 22. Illustratively, the second slide 22 can be arranged above the maintenance position, so that the transfer mechanism 3 can transfer the components of the hydraulic station 10 to the maintenance position by moving along the second slide 22.

The second bracket 21 may be a structure for supporting the second slide rail 22 in the second supporting mechanism 2, which positions the second slide rail 22 at a predetermined height position. Through setting up second support 21 and first support 11 interval for the setting position of hydraulic pressure station 10 can be kept away from to second support 21, makes both ends connect respectively the second slide rail 22 between first support 11 and second support 21 can guide transfer mechanism 3 to keep away from the setting position of hydraulic pressure station 10, so that can drive the part of hydraulic pressure station 10 and keep away from hydraulic pressure station 10 when transfer mechanism 3 moves along second slide rail 22.

By connecting one end of the second slide rail 22 to the second bracket 21 and the other end to the first bracket 11, the transfer mechanism 3 connected to the second slide rail 22 can be moved to the first bracket 11 so that the hydraulic station 10 components can be transferred between the transfer mechanism 3 connected to the second slide rail 22 and the transfer mechanism 3 connected to the first slide rail 12.

The transfer mechanism 3 may be a mechanism for lifting and transferring components of the hydraulic station 10. At least 2 transfer mechanisms 3 are arranged, at least 1 transfer mechanism 3 is movably connected to the first slide rail 12, and the transfer mechanism 3 can drive components of the hydraulic station 10 to move along the first slide rail 12; at least 1 transfer mechanism 3 is movably connected to the second slide rail 22, and the transfer mechanism 3 can drive the components of the hydraulic station 10 to move along the second slide rail 22.

In the above structure, since the first slide rail 12 in the hydraulic station maintenance device of the wind turbine generator system can be arranged above the hydraulic station 10, after the components of the hydraulic station 10 are disassembled, the transfer mechanism 3 on the first slide rail 12 can transfer the components of the hydraulic station 10 to the first bracket 11 after lifting the components of the hydraulic station 10, and the transfer mechanism 3 on the second slide rail 22 can continuously transfer the components of the hydraulic station 10 at the first bracket 11 to the second bracket 21, so that the outward transfer of the components of the hydraulic station 10 is finally realized, and the hydraulic station 10 is convenient to maintain.

In some embodiments, an end of the second slide rail 22 remote from the second bracket 21 is rotatably connected to the first bracket 11.

Through keeping away from the one end rotatable coupling in first support 11 of second support 21 with second slide rail 22 for second slide rail 22 can rotate for first support 11, makes the arrangement position of second slide rail 22 can adjust, not only makes this hydraulic pressure station maintenance device can the adaptability arrange in the narrow and small cabin in space, still makes this hydraulic pressure station maintenance device can be with the part of a plurality of hydraulic pressure stations 10 respectively handling to different positions and maintain, has improved this hydraulic pressure station maintenance device's convenience of use.

In some embodiments, as shown in fig. 2, a rotating shaft 221 is disposed at an end of the second sliding rail 22 away from the second bracket 21, and the second sliding rail 22 is rotatably connected to the first bracket 11 through the rotating shaft 221.

The rotation shaft 221 may refer to a shaft-like member capable of rotating. The rotating shaft 221 is fixedly connected to one end of the second sliding rail 22 away from the second bracket 21, and the rotating shaft 221 is rotatably connected to the first bracket 11, so that the first bracket 11 can rotate by taking the central axis of the rotating shaft 221 as the rotating shaft 221.

Illustratively, the first bracket 11 is provided with a through hole, the rotating shaft 221 is in clearance fit with the through hole, and under the operation of an operator, the rotating shaft 221 can rotate along with the second sliding rail 22, and the setting position of the second sliding rail 22 is adjusted accordingly.

In some embodiments, two first brackets 11 are provided, the two first brackets 11 are disposed at intervals and are respectively disposed on two opposite sides of the hydraulic station 10, and two ends of the first sliding rail 12 are respectively connected to the two first brackets 11.

By arranging the number of the first brackets 11 to be two, and arranging the two first brackets 11 on two opposite sides of the hydraulic station 10 respectively, when two ends of the first slide rail 12 are connected to the two first brackets 11 respectively, the first slide rail 12 spans over the hydraulic station 10, so that the transfer mechanism 3 connected to the first slide rail 12 can conveniently hoist more components in the hydraulic station 10.

Illustratively, the first slide rail 12 is connected to the first bracket 11 through a connecting bolt, so that the first supporting mechanism 1 can be conveniently disassembled and assembled, and the hydraulic station maintenance device is convenient to assemble in a cabin with a small space.

In some embodiments, the first connecting seats 121 are respectively disposed at two ends of the first sliding rail 12, and the first sliding rail 12 is connected to the first bracket 11 through the first connecting seats 121.

The first slide rail 12 is connected to the first bracket 11 through the first connecting seat 121, which may be that a first connecting hole is formed in the first connecting seat 121, and a connecting bolt passes through the first connecting hole and locks the first connecting seat 121 to the first bracket 11.

In some embodiments, as shown in fig. 3, the first bracket 11 includes a first cross bar 112 and two first vertical bars 113 connected to two ends of the first cross bar 112, and a reinforcing bar is disposed at a connection position of the first cross bar 112 and the first vertical bars 113, and two ends of the reinforcing bar are connected to the first cross bar 112 and the first vertical bars 113, so as to facilitate improving the supporting strength of the first bracket 11. Illustratively, the first cross bar 112, the first vertical bar 113 and the reinforcing bar constitute the first bracket 11 by welding, so that the first bracket 11 is an integral structure having good strength.

Illustratively, the first cross bar 112 and the first vertical bar 113 may be made of steel pipes, which not only makes the strength of the first cross bar 112 and the first vertical bar 113 high, but also has the advantage of light weight. In some embodiments, the first blocking structure is disposed at the ends of the first cross bar 112 and the first vertical bar 113, so that the possibility of water entering the first cross bar 112 and the first vertical bar 113 can be reduced, which is beneficial to reducing corrosion of the first cross bar 112 and the first vertical bar 113.

In some embodiments, the first brackets 11 are provided with connection structures 111, and the connection structures 111 on the two first brackets 11 are respectively connected to two opposite sides of the hydraulic station 10.

The connection structure 111 may be a structure for connecting the first bracket 11 to the hydraulic station 10, which is provided on the first vertical bar 113 of the first bracket 11, for connecting the first vertical bar 113 to the hydraulic station 10, thereby enabling the first bracket 11 to be connected to the hydraulic station 10 so as to support the first rail 12 above the hydraulic station 10. By connecting the connection structures 111 on the two first brackets 11 to the two side surfaces of the hydraulic station 10 that are disposed opposite to each other, the hydraulic station 10 is able to support the hydraulic station 10 by the first brackets 11 while also enabling the first rail 12 to cross over the hydraulic station 10.

In some embodiments, the connection structure 111 is provided with a waist-shaped hole, and the connection structure 111 is connected to the side of the hydraulic station 10 through the waist-shaped hole, so that the connection structure 111 is convenient when the side of the hydraulic station 10 is connected.

Illustratively, 2 maintenance hanging points are respectively arranged on two opposite side surfaces of the hydraulic station 10, and the waist-shaped holes are connected to the maintenance hanging points by bolts, so that the first supporting mechanism 1 is fixed, and the stress safety of a hydraulic station maintenance device of the wind generating set is improved.

In some embodiments, the second slide rail 22 is provided with a second connecting seat 223, the second connecting seat 223 is disposed at an end of the second slide rail 22 away from the first bracket 11, and the second slide rail 22 is connected to the second bracket 21 through the second connecting seat 223.

The second connecting seat 223 may be a support for enhancing the connection strength, and is disposed at an end of the second sliding rail 22 away from the first bracket 11, for enhancing the connection strength between the end of the second sliding rail 22 away from the first bracket 11 and the second bracket 21. The second slide rail 22 is connected to the second bracket 21 through the second connecting seat 223, and may be that a second connecting hole is formed in the second connecting seat 223, and a connecting bolt passes through the second connecting hole and locks the second connecting seat 223 to the second bracket 21.

In some embodiments, the second bracket 21 includes two supporting rods 211, the arrangement directions of the two supporting rods 211 intersect, and the two supporting rods 211 are connected to the end of the second sliding rail 22 away from the first bracket 11, for supporting the second sliding rail 22.

Illustratively, the stay bar 211 may be made of steel pipe, which not only makes the stay bar 211 high in strength, but also has the advantage of light weight. In some embodiments, the end of the stay bar 211 is provided with a second blocking structure, which can reduce the possibility of water entering the stay bar 211, and is beneficial to reducing corrosion of the stay bar 211.

Illustratively, as shown in fig. 4, the transfer mechanism 3 includes a trolley 31 and a lifting device 32, the lifting device 32 being connected to the trolley 31, the output end of the lifting device 32 being connectable to a component of the hydraulic station 10 via a spreader.

The sled 31 may be a mechanism capable of moving on the first slide rail 12 or the second slide rail 22, with rollers thereon capable of rolling along the track of the first slide rail 12 or the track of the second slide rail 22 such that the sled 31 may travel along the first slide rail 12 or the second slide rail 22. Illustratively, the sled 31 may include an electric sled 31 or a rail robot, and one skilled in the art may select the type of sled 31 to enable smooth movement of the sled 31 on the first slide rail 12 or the second slide rail 22 depending on the situation.

The lifting device 32 may be a device capable of lifting the components of the hydraulic station 10, and its output end is connected to the components of the hydraulic station 10 and then capable of driving the components of the hydraulic station 10 to rise or fall, so as to facilitate the assembly and disassembly of the components of the hydraulic station 10. Illustratively, a lifting device 32 is coupled to a lower portion of the trolley 31, and is capable of lifting components of the hydraulic station 10 for movement with the trolley 31.

In some embodiments, the lifting device 32 may include a chain block, and an operator may manually operate the lifting device 32 to raise or lower a component of the hydraulic station 10; the lifting device 32 may further comprise an electric hoist, which can drive the components of the hydraulic station 10 to rise or fall, and a person skilled in the art may select the type of the lifting device 32 according to the actual situation so that the lifting device 32 can drive the components of the hydraulic station 10 to rise or fall.

The lifting appliance can be a hanging belt, a lifting hook and other devices, and the output end of the lifting device 32 is connected with the component of the hydraulic station 10 through the lifting appliance, so that the output end of the lifting device 32 is firmly connected with the component of the hydraulic station 10, and the possibility that the component of the hydraulic station 10 falls off from the output end of the lifting device 32 is reduced.

In some embodiments, the transfer mechanism 3 further comprises a stabilizer bar 33, the stabilizer bar 33 is connected to the output end of the lifting device 32, two ends of the stabilizer bar 33 are provided with lifting lugs 331, and the lifting lugs 331 are connected with the components of the hydraulic station 10 through lifting slings.

The stabilizer bar 33 may include a rod-shaped member having a predetermined length, which is connected to the output end of the elevation device 32, for improving the stability of the connection of the output end of the elevation device 32 with the components of the hydraulic station 10. Illustratively, lifting lugs 331 are disposed at two ends of the stabilizer bar 33, and the lifting tool connected with the lifting lugs 331 at two ends of the stabilizer bar 33 is connected with the components of the hydraulic station 10, so that the connection positions connected with the components of the hydraulic station 10 can be increased, and the components of the hydraulic station 10 are more stable and are not easy to fall in the transferring process.

In some embodiments, the second sliding rail 22 is provided with a reinforcing structure 222, and the reinforcing structure 222 is disposed at an end of the second sliding rail 22 away from the second bracket 21.

The reinforcement structure 222 may be a structure for improving the strength of the end of the second slide rail 22 remote from the second bracket 21. By arranging the reinforcing structure 222 at the end part of the second sliding rail 22 far away from the second bracket 21, the reinforcing structure 222 is beneficial to improving the connection strength of the rotating shaft 221 and the second sliding rail 22, and is beneficial to reducing the possibility that the rotating shaft 221 falls off due to frequent use.

Illustratively, the reinforcing structure 222 may include a reinforcing plate coupled to the rotation shaft 221 and the second slide rail 22, which can increase the strength of the end of the second slide rail 22 remote from the second bracket 21.

The following describes a method for using the hydraulic station maintenance device of the wind turbine generator system.

Firstly, two first brackets 11 are respectively connected to two opposite side surfaces of the hydraulic station 10 through maintenance hanging points, two ends of a first sliding rail 12 are respectively connected to the two first brackets 11, then a rotating shaft 221 connected to a second sliding rail 22 is inserted into a through hole, and then the end of the second sliding rail 22 far away from the rotating shaft 221 is connected to the second bracket 21.

Second, second slide rail 22 is rotated so that second slide rail 22 passes over the maintenance position (the idle position of the nacelle).

Then, the first slide rail 12 and the second slide rail 22 are respectively connected with the transferring mechanism 3, the pulley 31 of the transferring mechanism 3 is movably connected to the first slide rail 12 or the second slide rail 22, then the component detached from the hydraulic station 10 is connected to the lifting device 32 of the transferring mechanism 3 on the first slide rail 12 through the lifting device 32, after the component of the hydraulic station 10 is driven to a proper height by the lifting device 32, the component of the hydraulic station 10 is driven to be close to the second slide rail 22 as much as possible by the transferring mechanism 3 on the first slide rail 12, then the component of the hydraulic station 10 is transferred from the transferring mechanism 3 on the first slide rail 12 by the transferring mechanism 3 on the second slide rail 22, then the component of the hydraulic station 10 is transferred to the upper part of the maintenance position by the transferring mechanism 3 on the second slide rail 22, and then the component of the hydraulic station 10 is lowered to the maintenance position by the transferring mechanism 3 on the second slide rail 22, so as to carry out subsequent overhaul and maintenance.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A hydraulic station maintenance device of a wind turbine generator system, comprising:

the first support mechanism comprises a first bracket and a first sliding rail, the first sliding rail is connected with the first bracket, and the first sliding rail can be arranged above the hydraulic station;

the second support mechanism comprises a second support and a second sliding rail, the second support and the first support are arranged at intervals, one end of the second sliding rail is connected with the second support, and the other end of the second sliding rail is connected with the first support;

and the transfer mechanism is movably connected with the first sliding rail and the second sliding rail, and can be connected with the part of the hydraulic station through a lifting appliance to lift the part of the hydraulic station to move.

2. The hydraulic station maintenance device of claim 1, wherein an end of the second rail remote from the second bracket is rotatably coupled to the first bracket.

3. The hydraulic station maintenance device according to claim 2, wherein a rotating shaft is provided at an end of the second slide rail away from the second bracket, and the second slide rail is rotatably connected to the first bracket through the rotating shaft.

4. The hydraulic station maintenance device according to claim 1, wherein two first brackets are provided, the two first brackets are arranged at intervals and are respectively arranged on two opposite sides of the hydraulic station, and two ends of the first sliding rail are respectively connected with the two first brackets.

5. The hydraulic station maintenance device according to claim 4, wherein the first brackets are provided with connecting structures, and the connecting structures on the two first brackets are respectively connected to two side surfaces of the hydraulic station which are oppositely arranged.

6. The hydraulic station maintenance device of claim 1, wherein the transfer mechanism includes a trolley and a lifting device, the lifting device being connected to the trolley, an output of the lifting device being connectable to a component of the hydraulic station via the spreader.

7. The hydraulic station maintenance device according to claim 6, wherein the transfer mechanism further comprises a stabilizer bar connected to the output end of the lifting device, lifting lugs are provided at both ends of the stabilizer bar, and the lifting lugs are connected with the components of the hydraulic station through the lifting appliance.

8. The hydraulic station maintenance device of claim 1, wherein the second rail is provided with a reinforcing structure, and the reinforcing structure is disposed at an end of the second rail away from the second bracket.

9. The hydraulic station maintenance device according to claim 1, wherein first connecting seats are respectively provided at both ends of the first slide rail, and the first slide rail is connected to the first bracket through the first connecting seats.

10. The hydraulic station maintenance device according to claim 1, wherein a second connecting seat is provided on the second slide rail, the second connecting seat is provided at an end portion of the second slide rail away from the first bracket, and the second slide rail is connected to the second bracket through the second connecting seat.