CN216863358U

CN216863358U - Blade attitude adjusting device

Info

Publication number: CN216863358U
Application number: CN202220289344.9U
Authority: CN
Inventors: 黎莎; 王俊峰
Original assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Current assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-07-01
Anticipated expiration: 2032-02-14

Abstract

The utility model belongs to the technical field of wind turbine generator blade installation, and discloses a blade posture adjusting device which comprises a shell assembly, a rotary disc assembly, a driving assembly and a control unit, wherein the upper end of the shell assembly is configured to be connected to hoisting equipment, the lower end of the shell assembly is provided with an opening, the rotary disc assembly is arranged in the shell assembly in a vertically rotatable mode and is exposed through the opening, the bottom surface of the rotary disc assembly is configured to be connected to a blade lifting appliance, and the blade lifting appliance is used for clamping blades. The driving assembly is arranged in the shell assembly, the output end of the driving assembly is in transmission connection with the turntable assembly and used for driving the turntable assembly to rotate, and the control unit is in communication connection with the driving assembly. When the posture adjusting device is used for operation, a constructor only needs to adjust the posture of the blade on the ground through the operation control unit, the operation process is convenient and efficient, the installation efficiency of the blade is effectively improved, the consumption of manpower and material resources is reduced, multiple persons are not needed to pull the operation, and the safety risk is reduced.

Description

Blade attitude adjusting device

Technical Field

The utility model relates to the technical field of wind turbine generator blade installation, in particular to a blade posture adjusting device.

Background

The wind turbine generator is usually installed in environments such as mountainous regions due to the factors of large overall size, large occupied space during installation and the like, and the wind turbine generator is sufficient in wind volume in the mountainous regions, and is more favorable for performance of the wind turbine generator. The whole size of the blade is large, the length of the blade is about dozens of meters or even hundreds of meters, and after the blade is lifted to the high altitude, the attitude of the blade needs to be adjusted in order to ensure that the installation end of the blade is aligned with the connecting flange. Specifically, after the lifting device is used for transversely lifting the blade to a certain height, the blade needs to rotate by a certain angle around the vertical direction, so that the blade is initially aligned with the connecting flange.

However, since the mountainous region is remote and the natural environment is severe, it is very inconvenient to adjust the posture of the blade. In the prior art, the installation posture of the blade is adjusted by combining a manual dragging cable with the integral rotation of the large arm of the automobile crane, when the cable is dragged manually, constructors are distributed on the two sides of the head and the tail of the blade to drag, so that the posture of the blade is adjusted, 8-10 persons are needed to cooperate for operation, the time is long, the operation efficiency is low, and great potential safety hazards exist simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blade attitude adjusting device which can conveniently and efficiently adjust the installation attitude of a blade in high altitude, improve the installation efficiency of the blade, effectively reduce the use of manpower and material resources and reduce the safety risk.

In order to achieve the purpose, the utility model adopts the following technical scheme:

provided is a blade attitude adjusting device including:

the upper end of the shell assembly is configured to be connected to lifting equipment, and the lower end of the shell assembly is provided with an opening;

a turntable assembly rotatably disposed in the housing assembly about a vertical direction and exposed through the opening, a bottom surface of the turntable assembly being configured to be connected to a blade hanger;

the driving assembly is arranged in the shell assembly and used for driving the turntable assembly to rotate;

and the control unit is in communication connection with the driving assembly.

As a preferable scheme of the blade attitude adjusting device provided by the utility model, the blade attitude adjusting device further comprises a transmission assembly, the drive assembly is arranged above the turntable assembly, and the output end of the drive assembly drives the turntable assembly to rotate relative to the shell assembly through the transmission assembly.

As a preferable scheme of the vane posture adjusting device provided by the present invention, the transmission assembly includes a first gear and a second gear that are engaged with each other, the first gear is connected to an output end of the driving assembly, an accommodating cavity is disposed in the center of the turntable assembly, a plurality of gear teeth that are engaged with the second gear are circumferentially disposed on a cavity wall of the accommodating cavity, and the driving assembly drives the first gear to rotate so that the turntable assembly can rotate around an axis of the first gear.

As a preferable aspect of the blade attitude adjusting device provided by the present invention, the second gear is provided in plurality, and the plurality of second gears are uniformly distributed along the circumferential direction of the first gear.

As a preferable scheme of the blade attitude adjusting device provided by the present invention, the blade attitude adjusting device further includes a support component fixedly disposed inside the housing component, the support component is provided with a limit groove, the second gear is coaxially connected with a rotating shaft, one end of the rotating shaft, which is far away from the second gear, is provided with a limit piece, and the limit piece is limited in the limit groove.

As a preferable scheme of the blade attitude adjusting device provided by the present invention, the support assembly includes a limit portion and a support plate connected to each other, the limit groove is disposed on the limit portion, one side of the support plate facing away from the limit portion is connected to an installation assembly, the installation assembly is provided with an installation cavity, and the drive assembly is disposed in the installation cavity.

The blade attitude adjusting device provided by the utility model further comprises a turntable bearing and a connecting component, wherein the turntable bearing is arranged above the turntable component at intervals, an inner ring of the turntable bearing is fixedly connected to the supporting component, and an outer ring of the turntable bearing is connected with the turntable component through the connecting component.

As a preferable scheme of the blade attitude adjusting device provided by the present invention, the connecting assemblies are provided at intervals along a circumferential direction of the turntable assembly, each of the connecting assemblies includes a connecting shaft, and a first fixing member and a second fixing member that are sleeved on the connecting shaft, the first fixing member is connected to the turntable assembly, and the second fixing member is connected to an outer ring of the turntable bearing.

As a preferable scheme of the blade attitude adjusting apparatus provided by the present invention, the apparatus further includes a detection unit, the detection unit is disposed on a bottom surface of the turntable assembly, and is connected to the control unit, and is configured to detect a degree of balance of the turntable assembly, and measure a distance between the turntable assembly and the blade hanger.

As a preferable scheme of the blade attitude adjusting device provided by the utility model, a first hanging ring is arranged at the upper end of the shell assembly, the first hanging ring is configured to be connected with a lifting hook of the lifting equipment, a second hanging ring is arranged on the turntable assembly, a third hanging ring corresponding to the second hanging ring is arranged on the blade lifting appliance, and a hanging rod is connected between the third hanging ring and the second hanging ring.

The utility model has the beneficial effects that:

the utility model provides a blade attitude adjusting device which comprises a shell assembly, a rotary disc assembly, a driving assembly and a control unit, wherein the upper end of the shell assembly is configured to be connected to hoisting equipment, the lower end of the shell assembly is provided with an opening, the rotary disc assembly is vertically and rotatably arranged in the shell assembly and is exposed through the opening, the bottom surface of the rotary disc assembly is configured to be connected to a blade lifting appliance, and the blade lifting appliance is used for clamping a blade. The driving assembly is arranged in the shell assembly, the output end of the driving assembly is in transmission connection with the turntable assembly and used for driving the turntable assembly to rotate, and the control unit is in communication connection with the driving assembly. When the blades are installed, the upper end of the shell assembly is connected with a lifting hook of lifting equipment, the lifting equipment lifts the whole posture adjusting device to a certain height, the lower end of the rotary disc assembly is connected with a blade lifting appliance, and then the blade lifting appliance is controlled to clamp the blades. Then, the lifting equipment lifts the attitude adjusting device, the blade lifting appliance and the clamped blade to the position close to the installation position, the driving assembly is controlled to be started through the control unit, so that the driving assembly drives the rotary disc assembly to rotate around a vertical axis relative to the shell assembly, the blade is driven to synchronously rotate through the blade lifting appliance, the primary positioning of the blade and the connecting flange is realized, and then subsequent adjusting steps can be carried out until the blade is installed. When using this attitude adjustment device operation, constructor only needs can realize the attitude control of blade through operation control unit subaerial, and the operation process is convenient and high-efficient, effectively improves the installation effectiveness of blade, reduces the consumption of manpower and materials, and does not need many people to pull the operation, has reduced the safety risk.

Drawings

FIG. 1 is an isometric view of a blade attitude adjustment apparatus provided in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a blade attitude adjustment apparatus provided by an embodiment of the present invention;

FIG. 3 is an internal schematic view of a blade attitude adjustment apparatus provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic diagram of the connection of the turntable assembly and the transmission assembly provided by an embodiment of the present invention;

FIG. 5 is a schematic illustration of the installation of a support assembly provided by an embodiment of the present invention;

fig. 6 is a schematic connection diagram of a blade attitude adjusting device and a blade hanger according to an embodiment of the present invention.

In the figure:

1. a housing assembly; 2. a turntable assembly; 3. a drive assembly; 4. a transmission assembly; 5. a support assembly; 6. mounting the component; 7. a turntable bearing; 8. a connecting assembly; 9. a detection unit;

11. a first hanging ring;

21. an accommodating chamber; 22. a second hoisting ring;

41. a first gear; 42. a second gear; 43. a rotating shaft; 431. a limiting member;

51. a limiting part; 52. a support plate; 511. a limiting groove;

81. a connecting shaft; 82. a first fixing member; 83. a second fixing member;

100. a blade hoist; 101. a third hoisting ring; 200. a boom.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 3, the present embodiment provides a blade attitude adjusting apparatus, which includes a housing assembly 1, a turntable assembly 2, a driving assembly 3, and a control unit.

Referring to fig. 1 and 2, the upper end of the housing assembly 1 is configured to be connected to a lifting apparatus, and the lower end of the housing assembly 1 is provided with an opening. The turntable assembly 2 is rotatably disposed in the housing assembly 1 about a vertical direction and is exposed through the opening. The bottom surface of the turntable assembly 2 is configured to be connected to a blade hanger 100, the blade hanger 100 being used to clamp a blade. The driving component 3 is arranged in the shell component 1, and the output end of the driving component is in transmission connection with the turntable component 2 and is used for driving the turntable component 2 to rotate. The control unit is in communication with the drive assembly 3.

When the blades are installed, the upper end of the shell assembly 1 is connected with a lifting hook of lifting equipment, the lifting equipment lifts the whole posture adjusting device to a certain height, the lower end of the rotary disc assembly 2 is connected with the blade lifting appliance 100, and then the blade lifting appliance 100 is controlled to clamp the blades. Then, the lifting device lifts the attitude adjusting device, the blade lifting tool 100 and the clamped blade to the position near the installation position, the control unit controls the driving assembly 3 to be started, so that the driving assembly 3 drives the rotary disc assembly 2 to rotate around the vertical axis relative to the shell assembly 1, and the blade lifting tool 100 drives the blade to synchronously rotate so as to realize the primary positioning of the blade and the connecting flange. Subsequent adjustment steps may then be performed until the blade installation is complete. When the posture adjusting device is used for operation, a constructor only needs to adjust the posture of the blade on the ground through the operation control unit, the operation process is convenient and efficient, the installation efficiency of the blade is effectively improved, the consumption of manpower and material resources is reduced, multiple persons are not needed to pull the operation, and the safety risk is reduced.

Referring to fig. 2, in the present embodiment, the blade attitude adjusting apparatus further includes a transmission assembly 4. The driving assembly 3 is arranged above the turntable assembly 2, and the output end of the driving assembly 3 drives the turntable assembly 2 to rotate relative to the shell assembly 1 through the transmission assembly 4. The driving assembly 3 is preferably a motor, the axis of the output shaft of the motor is overlapped with the axis of the turntable assembly 2, and the output shaft of the motor can drive the turntable assembly 2 to rotate around the axis of the motor through the transmission assembly 4.

Alternatively, referring to fig. 2 and 4, the transmission assembly 4 includes a first gear 41 and a second gear 42 that mesh. The first gear 41 is connected to the output end of the driving assembly 3, the accommodating cavity 21 is arranged in the center of the turntable assembly 2, a plurality of gear teeth meshed with the second gear 42 are circumferentially arranged on the cavity wall of the accommodating cavity 21, and the driving assembly 3 drives the first gear 41 to rotate, so that the turntable assembly 2 can rotate around the axis of the first gear 41. When the output shaft of the driving assembly 3 drives the first gear 41 to rotate, the second gear 42 rotates around the axis thereof under the meshing action with the first gear 41, namely, the second gear rotates, and as the gear teeth (equivalent to the inner gear ring) on the cavity wall of the accommodating cavity 21 are meshed with the second gear 42, the whole turntable assembly 2 rotates under the driving of the second gear 42, so that the postures of the blades can be adjusted clockwise or counterclockwise, and the adjustment angle is between 0 and 360 degrees.

Further, referring to fig. 4, in the present embodiment, four second gears 42 are provided, and the four second gears 42 are uniformly distributed along the circumferential direction of the first gear 41, so that the force applied to the entire turntable assembly 2 is uniform when the turntable assembly rotates, and the transmission stability can be improved.

Of course, in other embodiments, the number of the second gears 42 may be increased or decreased as appropriate, and the number of the second gears 42 is not limited herein.

Referring to fig. 2 and 5, a support assembly 5 is fixedly disposed in the housing assembly 1 for ensuring that the second gear 42 can rotate around its axis, rather than revolve around the first gear 41. Specifically, the supporting component 5 is provided with a limiting groove 511. The second gear 42 is coaxially connected with a rotating shaft 43, and when the second gear 42 rotates, the rotating shaft 43 rotates along with the second gear. A limiting member 431 is disposed at an end of the rotating shaft 43 away from the second gear 42, and the limiting member 431 is sleeved on the rotating shaft 43 and limited in the limiting groove 511, so that the rotating shaft 43 can only rotate around its axis without revolving, and the second gear 42 can drive the turntable assembly 2 to rotate through the gear teeth on the cavity wall of the accommodating cavity 21.

Alternatively, referring to fig. 5, the support member 5 includes a stopper portion 51 and a support plate 52 connected thereto. The limiting grooves 511 are disposed on the limiting portion 51, and since four second gears 42 are disposed in the embodiment, and four limiting members 431 are disposed on the rotating shaft 43 and the rotating shaft 43, the limiting grooves 511 are disposed on the limiting portion 51, and the four limiting grooves 511 form a shape similar to a plum blossom groove.

Referring to fig. 2, the supporting plate 52 is connected to a side of the limiting portion 51 facing away from the turntable assembly 2. One side of the supporting plate 52, which faces away from the limiting portion 51, is connected with a mounting assembly 6, a mounting cavity is arranged on the mounting assembly 6, and the driving assembly 3 is arranged in the mounting cavity. In this embodiment, bolts are used to sequentially pass through the upper shell plate of the housing assembly 1, the mounting assembly 6 and the support plate 52 to fixedly connect the three. The output shaft of the driving assembly 3 penetrates through the supporting plate 52 and the limiting portion 51, and extends to the accommodating cavity 21 of the turntable assembly 2 to be coaxially connected with the first gear 41.

Optionally, in the present embodiment, referring to fig. 3, the blade attitude adjusting apparatus further includes a slewing bearing 7 and a connecting assembly 8. Carousel bearing 7 interval sets up in the top of carousel subassembly 2, and carousel bearing 7's inner circle fixed connection is in supporting component 5, and carousel bearing 7's outer lane passes through coupling assembling 8 and is connected with carousel subassembly 2. When the turntable assembly 2 rotates, the outer ring of the turntable bearing 7 is driven by the turntable assembly 2 to synchronously rotate along with the turntable assembly. Because blade weight is huge, can improve the bearing capacity of carousel subassembly 2 through setting up carousel bearing 7, avoid carousel subassembly 2 to warp because bear great blade load.

Referring to fig. 3, coupling assembling 8 is provided with a plurality ofly along carousel subassembly 2's circumference interval, and a plurality of coupling assembling 8 evenly distributed, can improve the joint strength between carousel subassembly 2 and the slewing bearing 7 on the one hand, and on the other hand can guarantee that the two atress is even.

Specifically, referring to fig. 2, each of the connecting assemblies 8 includes a connecting shaft 81, and a first fixing member 82 and a second fixing member 83 sleeved on the connecting shaft 81. The first fixing member 82 is connected to the turntable assembly 2, and the second fixing member 83 is connected to the outer ring of the turntable bearing 7, so as to fix the turntable assembly 2 and the outer ring of the turntable bearing 7, and enable the turntable unit to rotate synchronously with the outer ring of the turntable bearing 7.

Referring to fig. 1, a detection unit 9 is disposed on the bottom surface of the turntable assembly 2, and the detection unit 9 is in communication connection with the control unit, and is used for detecting the balance degree of the turntable assembly 2 and measuring the distance between the turntable assembly 2 and the blade hanger 100. The whole device can be kept balanced in the hoisting process and the adjusting process by detecting the balance degree, so that dangerous accidents are prevented. By measuring the distance between the turntable assembly 2 and the blade sling 100, the connection between the turntable assembly 2 and the blade sling 100 is facilitated.

Referring to fig. 6, optionally, the upper end of the housing assembly 1 is provided with a first lifting eye 11, the first lifting eye 11 being configured for connection with a lifting hook of a lifting apparatus. The turntable assembly 2 is provided with a second hanging ring 22, the blade lifting appliance 100 is provided with a third hanging ring 101 corresponding to the second hanging ring 22, and a hanging rod 200 is connected between the third hanging ring 101 and the second hanging ring 22. That is, one end of the hanger bar 200 is connected to the second suspension ring 22 and the other end is connected to the third suspension ring 101 to achieve the connection between the blade hanger 100 and the turntable assembly 2.

In this embodiment, two second hanging rings 22 and two third hanging rings 101 are symmetrically arranged, and each second hanging ring 22 is connected with the corresponding third hanging ring 101 through one suspension rod 200. Of course, in other embodiments, the number of the second hanging ring 22 and the third hanging ring 101 may be three, four, other numbers, and the like, and may be designed according to specific construction conditions.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A blade attitude adjusting apparatus, characterized by comprising:

the lifting device comprises a shell assembly (1), wherein the upper end of the shell assembly (1) is configured to be connected to lifting equipment, and the lower end of the shell assembly (1) is provided with an opening;

a turntable assembly (2) rotatably disposed in the housing assembly (1) about a vertical direction and exposed through the opening, a bottom surface of the turntable assembly (2) being configured to be connected to a blade hanger (100);

the driving assembly (3) is arranged in the shell assembly (1), and the driving assembly (3) is used for driving the turntable assembly (2) to rotate;

and the control unit is in communication connection with the driving assembly (3).

2. The blade attitude adjusting device according to claim 1, further comprising a transmission assembly (4), wherein the driving assembly (3) is disposed above the turntable assembly (2), and an output end of the driving assembly (3) drives the turntable assembly (2) to rotate relative to the housing assembly (1) through the transmission assembly (4).

3. The vane posture adjusting device according to claim 2, wherein the transmission assembly (4) comprises a first gear (41) and a second gear (42) which are meshed with each other, the first gear (41) is connected to the output end of the driving assembly (3), the center of the rotating disc assembly (2) is provided with an accommodating cavity (21), the cavity wall of the accommodating cavity (21) is circumferentially provided with a plurality of gear teeth which are meshed with the second gear (42), and the driving assembly (3) drives the first gear (41) to rotate so that the rotating disc assembly (2) can rotate around the axis of the first gear (41).

4. The blade attitude adjusting apparatus according to claim 3, wherein the second gear (42) is provided in plurality, and the plurality of second gears (42) are evenly distributed along a circumferential direction of the first gear (41).

5. The blade posture adjusting device according to claim 3, further comprising a supporting component (5) fixedly arranged inside the housing component (1), wherein a limiting groove (511) is formed in the supporting component (5), the second gear (42) is coaxially connected with a rotating shaft (43), a limiting member (431) is arranged at one end of the rotating shaft (43) far away from the second gear (42), and the limiting member (431) is limited in the limiting groove (511).

6. The blade attitude adjusting device according to claim 5, wherein the support member (5) includes a limiting portion (51) and a support plate (52) connected to each other, the limiting groove (511) is provided on the limiting portion (51), a mounting member (6) is connected to a side of the support plate (52) facing away from the limiting portion (51), a mounting cavity is provided on the mounting member (6), and the drive member (3) is provided in the mounting cavity.

7. The blade attitude adjusting device according to claim 5, further comprising a turntable bearing (7) and a connecting assembly (8), wherein the turntable bearing (7) is arranged above the turntable assembly (2) at intervals, an inner ring of the turntable bearing (7) is fixedly connected to the supporting assembly (5), and an outer ring of the turntable bearing (7) is connected with the turntable assembly (2) through the connecting assembly (8).

8. The blade attitude adjusting device according to claim 7, wherein the connecting assembly (8) is provided in plurality at intervals along a circumferential direction of the turntable assembly (2), each connecting assembly (8) includes a connecting shaft (81), and a first fixing member (82) and a second fixing member (83) which are sleeved on the connecting shaft (81), the first fixing member (82) is connected with the turntable assembly (2), and the second fixing member (83) is connected with an outer ring of the turntable bearing (7).

9. A blade attitude adjustment arrangement according to any one of claims 1-8, further comprising a detection unit (9), said detection unit (9) being arranged on the bottom surface of the turret assembly (2) and being connected to said control unit for detecting the degree of balance of the turret assembly (2) and for measuring the distance between the turret assembly (2) and the blade sling (100).

10. The blade attitude adjustment device according to any one of claims 1 to 8, characterized in that a first suspension ring (11) is provided at an upper end of the housing assembly (1), the first suspension ring (11) is configured to be connected to a hook of the hoisting apparatus, a second suspension ring (22) is provided on the turntable assembly (2), a third suspension ring (101) corresponding to the second suspension ring (22) is provided on the blade hanger (100), and a suspension rod (200) is connected between the third suspension ring (101) and the second suspension ring (22).