CN216767653U

CN216767653U - Wind generating set

Info

Publication number: CN216767653U
Application number: CN202220432291.1U
Authority: CN
Inventors: 任伟伟
Original assignee: Shanghai Electric Wind Power Group Co Ltd
Current assignee: Shanghai Electric Wind Power Group Co Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-17
Anticipated expiration: 2032-03-01

Abstract

The utility model provides a wind generating set, which comprises a transformer and a converter arranged right above the transformer, and the wind generating set also comprises: the converter is arranged on the rack, and the upper surface of the rack is provided with a guide rail; the movable supporting device is arranged on the lower surface of the current transformer and comprises a supporting part and a pulley assembly fixed on the corresponding supporting part, and the supporting part is used for supporting the current transformer; the pulley assemblies can be arranged on corresponding guide rails in a sliding mode and used for enabling the converter to leave the position right above the transformer. According to the utility model, the movable supporting device and the guide rail are arranged, so that the converter can be fixedly arranged right above the transformer, and if the transformer needs to be maintained or repaired, the converter can be moved to provide an operation space for hoisting and disassembling the transformer, thereby reducing the space waste of the engine room, and achieving the beneficial technical effects of effectively utilizing the space of a machine set, shortening the length of the engine room and reducing the material consumption and the cost.

Description

Wind generating set

Technical Field

The utility model relates to a wind generating set.

Background

The large-scale wind turbine generator system enables the original box-type substation (box transformer for short) overhead scheme of the offshore unit to gradually become the technical trend of the onshore unit, and the onshore unit not only can greatly reduce the number of power cables and the line loss, but also can save the occupied area of the box transformer and the construction cost. However, the transformer is mostly positioned at the lower part of the converter, so that the converter and the transformer can be staggered by a larger operation space to meet the requirement of hoisting maintenance in order to facilitate the dismounting, hoisting and replacing of the transformer in the operation period of the unit.

However, since the transformer is disassembled, hoisted and replaced under the condition that the transformer cannot be maintained and is completely damaged, the fault is a contingency condition, and the large operation space reserved in the design process can cause the unit to be long, the unit space cannot be effectively utilized, and the material consumption and the cost of the unit can be increased.

Therefore, how to effectively utilize the space of the unit and reduce the overall length of the unit is a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the length of a unit is long and the space of the unit cannot be effectively utilized in the prior art, and provides a wind generating set.

The utility model solves the technical problems through the following technical scheme:

a wind generating set is characterized by comprising a transformer and a converter arranged right above the transformer, and further comprising:

the converter is arranged on the rack, and a guide rail is arranged on the upper surface of the rack;

the movable supporting device is arranged on the lower surface of the current transformer and comprises a supporting part and a pulley assembly fixed on the corresponding supporting part, and the supporting part is used for supporting the current transformer; the pulley assemblies can be arranged on the corresponding guide rails in a sliding mode and used for enabling the converter to leave the position right above the transformer.

In this technical scheme, through setting up loose pulley assembly and rather than the complex guide rail, can realize the portable of converter, and simultaneously, through setting up the support component, can realize fixing of converter, thereby, the converter can be fixed and place directly over the transformer, if when having the demand of maintaining or maintaining the transformer, portable converter so that provide operating space for hoist and mount dismantlement transformer, thereby can reduce cabin space extravagant, reach the beneficial technological effect who effectively utilizes the unit space, subtract short cabin length, reduce material quantity and cost.

Preferably, the sheave assembly includes:

the two opposite ends of the rotating shaft are respectively fixed on the supporting parts;

the bearing is sleeved outside the rotating shaft;

the pulley is sleeved outside the bearing.

In the technical scheme, the specific structure of the pulley assembly is provided by adopting the structure.

Preferably, the pulley assembly further includes two blocking plates, the two blocking plates are respectively disposed at outer sides of two opposite ends of the rotating shaft, and the blocking plates are fixed to the rotating shaft by a first fastening member and fixed to the supporting member by a second fastening member.

In this technical scheme, through setting up the baffle, be convenient for fix the fixed axle on the support component.

Preferably, one end of the rotating shaft is provided with a first protrusion along the outer periphery of the rotating shaft, and the pulley assembly further comprises a retaining ring fixed to the other end of the rotating shaft; the bearing is clamped between the first bulges and the baffle rings; and/or the presence of a gas in the gas,

one end of the pulley is provided with a second bulge along the outer periphery of the pulley, the pulley assembly further comprises a pulley baffle plate, and the pulley baffle plate is fixed at the other end of the pulley; the bearing clamp is located the second arch is located between the pulley baffle.

In the technical scheme, the bearing between the first bulge and the baffle ring is fixed conveniently by arranging the first bulge and the baffle ring which are matched with each other; through setting up second arch and the pulley baffle of mutually supporting to the bearing of fixed being located between the two.

Preferably, the supporting member includes two side walls disposed oppositely and a top wall connected between the two side walls, an accommodating cavity is defined by the two side walls and the top wall, and the pulley of the pulley assembly is located in the accommodating cavity.

In the present technical solution, by adopting the above structure, a specific structure of the support member is provided.

Preferably, two mounting grooves are formed in the side walls, and two ends of the rotating shaft of the pulley assembly are respectively arranged in the two mounting grooves in a penetrating manner.

In this technical scheme, through setting up the mounting groove, the axis of rotation of the loose pulley assembly of being convenient for is fixed on the support component.

Preferably, the side wall includes a vertical portion and a horizontal portion perpendicular to each other, the vertical portion is connected between the top wall and the horizontal portion, and a lower surface of the horizontal portion can abut against an upper surface of the frame; and the horizontal parts of the two side walls extend towards the direction far away from the accommodating cavity.

In this technical scheme, through the concrete structure that sets up the lateral wall to the supporting role to the converter is realized better through the horizontal part.

Preferably, the guide rail includes a sliding portion and a guiding portion connected to each other, an upper surface of the sliding portion is a horizontal plane, an upper surface of the guiding portion is an inclined plane, one end of the upper surface of the guiding portion is connected to the upper surface of the rack, and the other end of the upper surface of the guiding portion is connected to the upper surface of the sliding portion;

wherein the height of the sliding portion is greater than the distance between the lower end surface of the pulley assembly and the lower end surface of the support member.

In this technical scheme, through the guide part that sets up the guide rail, can conveniently remove strutting arrangement and get into the sliding part and deviate from the guide rail fixed. By setting the height of the sliding part to be greater than the distance between the lower end face of the pulley assembly and the lower end face of the support member, when the pulley assembly is positioned on the sliding part, the pulley assembly can freely move on the guide rail, that is, the lower end face of the support member can be prevented from contacting the upper surface of the frame (namely, the support member is separated from the frame), so that unnecessary resistance is generated to the movement.

Preferably, a limiting plate is further arranged on the upper surface of the rack, the limiting plate is arranged on the outer side of the guide rail, and the limiting plate is used for limiting the pulley assembly to be separated from the guide rail.

In this technical scheme, through setting up the limiting plate, can restrict loose pulley assembly and break away from the guide rail when sliding on the guide rail.

Preferably, the wind generating set further comprises a traction assembly for drawing the converter to slide.

In this technical scheme, through setting up the subassembly that pulls, can provide the effort for the slip of loose pulley assembly on the guide rail, make the converter under the effect of this external force, can more laborsaving and leave the position directly over the transformer more fast.

The positive progress effects of the utility model are as follows:

the movable converter can be moved by arranging the pulley assemblies and the guide rails matched with the pulley assemblies, and meanwhile, the fixed converter can be fixed by arranging the supporting parts, so that the converter can be fixedly arranged right above the transformer, and if the transformer needs to be maintained or repaired, the converter can be moved to provide an operation space for hoisting and disassembling the transformer, so that the space waste of a machine room can be reduced, and the beneficial technical effects of effectively utilizing the space of a machine set, shortening the length of the machine room and reducing the material consumption and the cost are achieved.

Drawings

Fig. 1 is a schematic perspective view of a partial structure of a wind turbine generator system according to a preferred embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a front view of a wind turbine generator system according to a preferred embodiment of the present invention.

Fig. 4 is a sectional view taken in the direction B-B in fig. 3.

Fig. 5 is a partially enlarged view of a portion C in fig. 4.

Fig. 6 is a front view of a partial structure of a rack according to a preferred embodiment of the utility model.

Fig. 7 is a schematic perspective view of a mobile supporting apparatus according to a preferred embodiment of the utility model.

Fig. 8 is a schematic perspective exploded view of a mobile supporting device according to a preferred embodiment of the utility model.

Fig. 9 is a front view of a mobile supporting device according to a preferred embodiment of the utility model.

Fig. 10 is a sectional view taken in the direction D-D of fig. 9.

Description of the reference numerals

Current transformer 10

Rack 20

Guide rail 30

Sliding part 31

Guide part 32

Movable support device 40

Support member 50

Side wall 51

Vertical part 511

Horizontal part 512

Fixing hole 513

Top wall 52

Accommodating chamber 53

Mounting groove 54

Pulley assembly 60

Rotating shaft 61

First protrusion 611

Bearing 62

Pulley 63

Second projection 631

Pulley baffle 64

Baffle ring 65

Baffle 66

Position limiting plate 70

Tow assembly 80

Hydraulic cylinder 81

Power member 82

Detailed Description

The utility model is further illustrated by the following examples, which are not intended to limit the scope of the utility model.

As shown in fig. 1 to 10, the present embodiment provides a wind turbine generator system, which includes a transformer and a converter 10 disposed directly above the transformer, and further includes a frame 20 and a movable support device 40. The moving support device 40 is used to support or move the inverter 10.

The converter 10 is disposed on the frame 20, and the guide rail 30 is disposed on the upper surface of the frame 20. And the frame 20 is positioned above the transformer to prevent the transformer from interfering with the movement of the converter 10.

The movable supporting means 40 is disposed on the lower surface of the current transformer 10, the movable supporting means 40 includes a supporting member 50 and a pulley assembly 60 fixed on the corresponding supporting member 50, the supporting member 50 is used for supporting the current transformer 10; the pulley assembly 60 is slidably disposed on the corresponding guide rail 30 for moving the inverter 10 away from a position directly above the transformer. Like this, through setting up loose pulley assembly 60 and rather than complex guide rail 30, can realize the removal of converter 10, and simultaneously, through setting up supporting component 50, can realize fixing of converter 10, thereby, converter 10 can fix and place directly over the transformer, if when having the demand of maintaining or maintaining the transformer, portable converter 10 so that for hoist and mount dismantlement transformer provides operating space, thereby can reduce cabin space waste, reach effectively utilizing the unit space, subtract short cabin length, reduce the beneficial technological effect of material quantity and cost.

The sheave assembly 60 includes: a rotating shaft 61, a bearing 62 and a pulley 63. Opposite ends of the rotation shaft 61 are fixed to the support members 50, respectively. The bearing 62 is sleeved outside the rotating shaft 61. The pulley 63 is sleeved outside the bearing 62. In the present embodiment, the number of bearings 62 is two.

The pulley assembly 60 further includes two blocking plates 66, the two blocking plates 66 are respectively disposed at outer sides of opposite ends of the rotating shaft 61, and the blocking plates 66 are fixed to the rotating shaft 61 by a first fastening member, and the blocking plates 66 are fixed to the supporting member 50 by a second fastening member. Thus, the fixing of the fixing shaft to the support member 50 is facilitated by the provision of the baffle plate 66. The first and second fasteners may be screws or the like.

Preferably, one end of the rotating shaft 61 is provided with a first protrusion 611 along the outer circumference of the rotating shaft 61, and the pulley assembly 60 further includes a blocking ring 65, and the blocking ring 65 is fixed to the other end of the rotating shaft 61; the bearing 62 is sandwiched between the first protrusions 611 and the retainer ring 65, so that the bearing 62 between the first protrusions 611 and the retainer ring 65 can be fixed by arranging the first protrusions 611 and the retainer ring 65 to be matched with each other.

One end of the pulley 63 is provided with a second protrusion 631 along the outer circumference of the pulley 63, the pulley assembly 60 further includes a pulley baffle 64, and the pulley baffle 64 is fixed to the other end of the pulley 63; the bearing 62 is interposed between the second projection 631 and the pulley baffle 64. In this way, to secure the bearing 62 therebetween.

In this embodiment, the supporting member 50 includes two opposite side walls 51 and a top wall 52 connected between the two side walls 51, the two side walls 51 and the top wall 52 enclose a receiving cavity 53, and the pulley 63 of the pulley assembly 60 is located in the receiving cavity 53.

The two side walls 51 are provided with mounting grooves 54, and two ends of the rotating shaft 61 of the pulley assembly 60 are respectively penetrated into the two mounting grooves 54. Thus, the rotation shaft 61 of the pulley assembly 60 is conveniently fixed to the support member 50 by providing the mounting groove 54.

Specifically, the sidewall 51 includes a vertical portion 511 and a horizontal portion 512 perpendicular to each other, the vertical portion 511 is connected between the top wall 52 and the horizontal portion 512, and a lower surface of the horizontal portion 512 can abut on an upper surface of the frame 20; and the horizontal portions 512 of the two side walls 51 extend in a direction away from the accommodating cavity 53. In this way, the supporting effect of the converter 10 is better achieved by providing the horizontal part 512. In addition, the fixing of the converter 10 to the frame 20 is achieved by providing fixing holes 513 in the horizontal portion 512 so that the fixing holes 513 through which the fixing members pass fix the support member 50 to the frame 20.

In the present embodiment, the number of the movable supporting devices 40 is four, two of the movable supporting devices are respectively disposed near two opposite sides of the lower surface of the current transformer 10, and the two movable supporting devices 40 located on the same side are oppositely disposed at two opposite ends of the side; correspondingly, the number of the guide rails 30 is four, and the guide rails are arranged in one-to-one correspondence with the movable supporting devices 40.

Preferably, the guide rail 30 includes a sliding portion 31 and a guiding portion 32 connected to each other, an upper surface of the sliding portion 31 is a horizontal plane, an upper surface of the guiding portion 32 is an inclined plane, one end edge of the upper surface of the guiding portion 32 is connected to the upper surface of the rack 20, and the other end edge is connected to the upper surface of the sliding portion 31; the height h of the sliding portion 31 is greater than the distance d between the lower end surface of the pulley assembly 60 and the lower end surface of the support member 50. In this way, by providing the guide portion 32 of the guide rail 30, it is possible to easily move the support device 40 into the slide portion 31 and to pull out and fix the guide rail 30. By setting the height h of the sliding portion 31 to be greater than the distance d between the lower end surface of the pulley assembly 60 and the lower end surface of the support member 50, the pulley assembly 60 can freely move on the guide rail 30 when the pulley assembly 60 is positioned on the sliding portion 31, that is, the lower end surface of the support member 50 can be prevented from contacting the upper surface of the frame 20 (i.e., the support member 50 is separated from the frame 20), thereby generating unnecessary resistance to movement.

In this embodiment, a limiting plate 70 is further disposed on the upper surface of the frame 20, the limiting plate 70 is disposed outside the guide rail 30, and the limiting plate 70 is used for limiting the pulley assembly 60 to separate from the guide rail 30. Thus, the stopper plate 70 is provided to prevent the pulley assembly 60 from being separated from the guide rail 30 when sliding on the guide rail 30.

The wind park further comprises a traction assembly 80, the traction assembly 80 being used for traction of the converter 10 for sliding. Thus, by providing the traction assembly 80, an acting force can be provided for the pulley assembly 60 to slide on the guide rail 30, so that the converter 10 can be more easily and more quickly moved away from the position right above the transformer under the action of the acting force. In this embodiment, the traction assembly 80 is a hydraulic traction assembly 80, and includes a hydraulic cylinder 81 and a power member 82, the power member 82 is inserted into the hydraulic cylinder 81, the hydraulic cylinder 81 is pivoted to the frame 20, and one end of the power member 82 away from the hydraulic cylinder 81 is connected to the inverter 10.

It should be noted that, during normal operation of the wind turbine generator system, the converter 10 is fixed on the frame 20 by moving the supporting member 50 of the supporting device 40, and specifically, by fixing the supporting member 50 on the frame 20 through the fixing hole 513 on the supporting member 50 by a fixing member, so as to fix the converter 10 on the frame 20. When the transformer needs to be maintained or repaired, acting force is applied to the converter 10 through the traction assembly 80, and the converter 10 is moved from the position right above the transformer through the cooperation of the pulley assembly 60 of the movable supporting device 40 and the guide rail 30 on the rack 20, so that a required operation and maintenance space is reserved, and the transformer is convenient to hoist and dismount.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. A wind generating set is characterized by comprising a transformer and a converter arranged right above the transformer, and further comprising:

2. The wind power plant of claim 1, wherein the sheave assembly comprises:

the two opposite ends of the rotating shaft are respectively fixed on the supporting component;

the bearing is sleeved outside the rotating shaft;

the pulley is sleeved outside the bearing.

3. The wind turbine generator system of claim 2, wherein the pulley assembly further comprises two blocking plates, the two blocking plates are respectively disposed outside opposite ends of the rotation shaft, and the blocking plates are fixed to the rotation shaft by a first fastening member and fixed to the support member by a second fastening member.

4. The wind generating set according to claim 2, wherein one end of the rotating shaft is provided with a first protrusion along an outer circumference of the rotating shaft, and the pulley assembly further comprises a stopper ring fixed to the other end of the rotating shaft; the bearing is clamped between the first bulges and the baffle rings; and/or the presence of a gas in the gas,

one end of the pulley is provided with a second bulge along the outer periphery of the pulley, the pulley assembly further comprises a pulley baffle plate, and the pulley baffle plate is fixed at the other end of the pulley; the bearing is clamped between the second protrusion and the pulley baffle.

5. The wind generating set according to claim 1, wherein the supporting member includes two opposite side walls and a top wall connected between the two side walls, the two side walls and the top wall enclose a receiving cavity, and the pulley of the pulley assembly is located in the receiving cavity.

6. The wind generating set according to claim 5, wherein the two side walls are each provided with a mounting groove, and both ends of the rotating shaft of the pulley assembly are respectively inserted into the two mounting grooves.

7. The wind generating set according to claim 5, wherein the side wall includes a vertical portion and a horizontal portion perpendicular to each other, the vertical portion being connected between the top wall and the horizontal portion, a lower surface of the horizontal portion being abuttable against an upper surface of the frame; and the horizontal parts of the two side walls extend towards the direction far away from the accommodating cavity.

8. The wind generating set according to claim 1, wherein the guide rail comprises a sliding portion and a guiding portion connected with each other, an upper surface of the sliding portion is a horizontal plane, an upper surface of the guiding portion is an inclined plane, one end edge of the upper surface of the guiding portion is connected with the upper surface of the frame, and the other end edge of the upper surface of the guiding portion is connected with the upper surface of the sliding portion;

9. The wind generating set according to claim 1, wherein a limiting plate is further disposed on the upper surface of the frame, the limiting plate is disposed outside the guide rail, and the limiting plate is configured to limit the pulley assembly to be detached from the guide rail.

10. Wind park according to any of the claims 1-9, wherein the wind park further comprises a traction assembly for traction of the converter slip.