CN219449038U - Hoisting device for variable-pitch control cabinet of wind turbine generator - Google Patents
Hoisting device for variable-pitch control cabinet of wind turbine generator Download PDFInfo
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- CN219449038U CN219449038U CN202320515288.0U CN202320515288U CN219449038U CN 219449038 U CN219449038 U CN 219449038U CN 202320515288 U CN202320515288 U CN 202320515288U CN 219449038 U CN219449038 U CN 219449038U
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- support arm
- control cabinet
- pitch control
- thrust ball
- ball bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a hoisting device for a variable-pitch control cabinet of a wind turbine, which comprises a support arm body, a bearing seat, a thrust ball bearing and a variable-pitch cabinet hoisting tray, wherein the support arm body is provided with a support arm body; the support arm body is "" type structure, and the bearing frame is connected at the end that stretches out of support arm body lower extreme horizon bar, and thrust ball bearing sets up in the bearing frame, and the variable pitch cabinet hoist and mount tray sets up on thrust ball bearing to can drive through thrust ball bearing and rotate. According to the utility model, through the arrangement of the support arm body, the problem that the manual lateral side-pushing variable-pitch control cabinet consumes a great deal of physical strength and has potential safety hazards in the past can be solved, and the variable-pitch control cabinet can enter the inner cavity of the hub from the lateral variable-pitch bearing mounting surface hole site when being hoisted.
Description
Technical Field
The utility model belongs to the technical field of hoisting of variable-pitch control cabinets of wind turbines, and particularly relates to a hoisting device for a variable-pitch control cabinet of a wind turbine.
Background
When the existing wind power variable pitch control cabinet is assembled with a hub, a guide cover plate hole above the hub needs to be adopted to enter the inner cavity of the hub under the condition of crane lifting, then the assembly efficiency is low due to the mode that the variable pitch control cabinet is manually adjusted to be fixed on the inner wall of the hub, and moreover, the manual transverse side-pushing variable pitch control cabinet consumes a great deal of physical power, the assembly hole site is difficult to align, the control cabinet is in a high position similar to a pendulum during the assembly hole site, and once the control cabinet rebounds, collision occurs easily, so that certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to provide a hoisting device for a variable-pitch control cabinet of a wind turbine generator, which is used for solving the problems of great physical consumption and low assembly efficiency caused by the mode that the existing flow guide cover plate hole above a hub enters the inner cavity of the hub and then the variable-pitch control cabinet is manually adjusted to be fixed on the inner wall of the hub; the problem that the assembly hole site is difficult to align is solved; the problem of the potential safety hazard that the control cabinet once "kick-backs" takes place to collide with and then cause is solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a hoisting device for a variable pitch control cabinet of a wind turbine comprises a support arm body, a bearing seat, a thrust ball bearing and a variable pitch cabinet hoisting tray;
the support arm body is "" type structure, and the bearing frame is connected at the end that stretches out of support arm body lower extreme horizon bar, and thrust ball bearing sets up in the bearing frame, and the variable pitch cabinet hoist and mount tray sets up on thrust ball bearing to can drive through thrust ball bearing and rotate.
The utility model is further improved in that the support arm body comprises a lower support arm, a vertical support arm, an upper support arm, a lifting lug, an upper diagonal brace and a lower diagonal brace, wherein the upper support arm and the lower support arm are vertically welded together on the same side with the vertical support arm, the lifting lug is arranged on the upper support arm, the upper diagonal brace is connected between the upper support arm and the vertical support arm, and the lower diagonal brace is connected between the lower support arm and the vertical support arm.
The utility model is further improved in that the lower support arm, the vertical support arm, the upper diagonal bracing and the lower diagonal bracing are square steel pipes; the lower supporting arm, the vertical supporting arm, the upper supporting arm, the lifting lug, the upper diagonal bracing and the lower diagonal bracing are all welded and fixed.
The utility model is further improved in that the right end of the bearing seat is provided with a support arm body mounting interface, the cross section of the support arm body mounting interface is rectangular, and the shape and the size of the support arm body mounting interface are matched with those of the lower support arm; the upper end of the bearing seat is provided with a thrust ball bearing race mounting interface, the section shape of the thrust ball bearing race mounting interface is round, and the shape and the size of the thrust ball bearing race mounting interface are matched with those of the thrust ball bearing.
The utility model further improves that the right end type interface of the bearing seat is welded after being clamped and combined with the lower supporting arm.
The utility model is further improved in that the thrust ball bearing comprises a thrust ball bearing race, a thrust ball bearing collar, and rolling bodies arranged between the thrust ball bearing race and the thrust ball bearing collar.
The utility model is further improved in that the bearing seat and the thrust ball bearing race are in clearance fit.
The utility model is further improved in that the hoisting tray of the variable pitch cabinet isThe structure comprises a supporting bottom plate, a protection side plate vertically connected to the side surface of the supporting bottom plate, and a rotating shaft arranged at the center of the supporting bottom plate; the supporting bottom plate is used for placing the variable-pitch control cabinet during hoisting, the protection side plate is used for auxiliary fixation during hoisting of the variable-pitch control cabinet, and the rotating shaft and the steering system formed by the thrust ball bearing are used for adjusting the rotating angle during hoisting of the variable-pitch control cabinet and for positioning.
The utility model is further improved in that the rotating shaft of the hoisting tray of the variable pitch cabinet is in interference fit with the thrust ball bearing shaft collar.
The utility model is further improved in that the steering system consisting of the hoisting tray of the variable-pitch control cabinet and the thrust ball bearing can finish free rotation of 0-360 degrees, and the steering system is used for positioning when the variable-pitch control cabinet is hoisted.
The utility model has at least the following beneficial technical effects:
according to the utility model, through arranging the support arm body, the problem that the manual lateral side-pushing variable-pitch control cabinet consumes a great deal of physical strength and has potential safety hazards is solved by enabling the lateral variable-pitch bearing mounting surface hole site to enter the inner cavity of the hub when the variable-pitch control cabinet is hoisted; through setting up the steering system that becomes oar cabinet hoist and mount tray and thrust ball bearing and constitute, can accomplish 0 ~ 360 free rotations, rotation angle flexible positioning when changing oar switch board hoist and mount can be realized, the problem that the installation hole site is difficult to align when having solved former hoist and mount. The utility model can reduce the manpower and the labor hour consumption during the assembly of the variable-pitch control cabinet and improve the working efficiency.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the whole structure of a hoisting device for a variable-pitch control cabinet of a wind turbine.
Fig. 2 is an enlarged partial cross-sectional view of the bearing assembly of fig. 1.
Fig. 3 is a schematic structural diagram of a support arm body of a hoisting device for a pitch control cabinet of a wind turbine.
Fig. 4 is a schematic view of a bearing seat structure of a lifting device for a pitch control cabinet of a wind turbine, wherein fig. 4 (B) is a B-B cross-sectional view of fig. 4 (a).
Fig. 5 is a schematic thrust ball bearing structure of a lifting device for a pitch control cabinet of a wind turbine, wherein fig. 5 (b) is a cross-sectional view of fig. 5 (a).
Fig. 6 is a schematic structural diagram of a hoisting tray of a pitch control cabinet for a hoisting device of a pitch control cabinet of a wind turbine, where fig. 6 (b) is a cross-sectional view of fig. 6 (a).
In the drawings, the list of components represented by the various numbers is as follows:
1-a support arm body, 101-a lower support arm, 102-a vertical support arm, 103-an upper support arm, 104-a lifting lug, 105-an upper diagonal brace and 106-a lower diagonal brace; 2-bearing pedestal, 201-support arm body mounting interface, 202-thrust ball bearing race mounting interface; 3-thrust ball bearing, 301-thrust ball bearing race, 302-rolling bodies, 303-thrust ball bearing race; 4-a variable pitch cabinet hoisting tray, 401-a rotating shaft, 402-a supporting bottom plate and 403-a protection side plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-6, the utility model discloses a hoisting device for a variable-pitch control cabinet of a wind turbine, which comprises a support arm body 1, a bearing seat 2, a thrust ball bearing 3 and a variable-pitch cabinet hoisting tray 4. The bearing frame 2 is connected at the end that stretches out of support arm body 1 lower extreme horizon bar, and thrust ball bearing 3 sets up in bearing frame 2, and the cabinet hoist and mount tray 4 that becomes oar sets up on thrust ball bearing 3 to can drive through thrust ball bearing 3 and rotate.
The support arm body 1 is of a structure and comprises a lower support arm 101, a vertical support arm 102, an upper support arm 103, lifting lugs 104, an upper diagonal brace 105 and a lower diagonal brace 106, wherein the strength and stability of the lower support arm 101 and the vertical support arm 102 are enhanced by the lower diagonal brace 106, and the strength and stability of the upper support arm 103 and the vertical support arm 102 are enhanced by the upper diagonal brace 105.
The right end of the bearing seat 2 is provided with a support arm body mounting interface 201, the cross section of the support arm body mounting interface is rectangular, and the shape and the size of the support arm body mounting interface 201 are matched with those of the lower support arm 101. The upper end is provided with a thrust ball bearing race mounting interface 202 having a circular cross-sectional shape, the thrust ball bearing race mounting interface 202 being shaped and sized to accommodate the thrust ball bearing 3.
Wherein the hoisting tray 4 of the variable pitch cabinet isThe type structure comprises a rotating shaft 401, a supporting bottom plate 402 and a protection side plate 403, wherein the supporting bottom plate 402 is used for placing a variable-pitch control cabinet during hoisting, the protection side plate 403 is used for assisting in fixing during hoisting of the variable-pitch control cabinet, the rotating shaft 401 is in interference fit with a thrust ball bearing 3, and a steering system is formed and can be used for adjusting the rotation angle during hoisting of the variable-pitch control cabinet and for flexible positioning.
Referring to fig. 1-6, the present embodiment is a method for using a hoisting device for a pitch control cabinet of a wind turbine generator, where: when the variable-pitch control cabinet needs to be hoisted, the variable-pitch control cabinet is placed on a supporting bottom plate 402 of a hoisting tray 4 of the variable-pitch control cabinet, and then the variable-pitch control cabinet is fixed to a protection side plate 403 by an auxiliary lifting rope; the lifting support arm body 1 and the variable pitch control cabinet assembly enter the inner cavity of the hub from the hub side direction through holes of the variable pitch bearing mounting surface; the steering system consisting of the hoisting tray 4 of the variable pitch control cabinet and the thrust ball bearing 3 is utilized, an operator rotates the variable pitch control cabinet, and after aligning to the installation hole site of the inner cavity of the hub, the hoisting and positioning of the variable pitch control cabinet can be completed by fastening the assembly bolts of the variable pitch control cabinet.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The hoisting device for the variable-pitch control cabinet of the wind turbine generator is characterized by comprising a support arm body (1), a bearing seat (2), a thrust ball bearing (3) and a variable-pitch cabinet hoisting tray (4);
the support arm body (1) is of a structure, the bearing seat (2) is connected to the extending end of the horizontal rod at the lower end of the support arm body (1), the thrust ball bearing (3) is arranged in the bearing seat (2), and the variable pitch cabinet hoisting tray (4) is arranged on the thrust ball bearing (3) and can be driven to rotate through the thrust ball bearing (3).
2. The hoisting device for a pitch control cabinet of a wind turbine generator system according to claim 1, wherein the support arm body (1) comprises a lower support arm (101), a vertical support arm (102), an upper support arm (103), a lifting lug (104), an upper diagonal support (105) and a lower diagonal support (106), the upper support arm (103) and the lower support arm (101) are vertically welded together on the same side with the vertical support arm (102), the lifting lug (104) is arranged on the upper support arm (103), the upper diagonal support (105) is connected between the upper support arm (103) and the vertical support arm (102), and the lower diagonal support (106) is connected between the lower support arm (101) and the vertical support arm (102).
3. The hoisting device for a pitch control cabinet of a wind turbine generator according to claim 2, wherein the lower support arm (101), the vertical support arm (102), the upper support arm (103), the upper diagonal brace (105) and the lower diagonal brace (106) are square steel pipes; the lower supporting arm (101), the vertical supporting arm (102), the upper supporting arm (103), the lifting lug (104), the upper diagonal bracing (105) and the lower diagonal bracing (106) are all welded and fixed.
4. The hoisting device for the pitch control cabinet of the wind turbine generator system according to claim 2, wherein a support arm body mounting interface (201) is arranged at the right end of the bearing seat (2), the cross section of the support arm body mounting interface is rectangular, and the shape and the size of the support arm body mounting interface (201) are matched with those of the lower support arm (101); the upper end of the bearing seat (2) is provided with a thrust ball bearing race installation interface (202), the section shape of the thrust ball bearing race installation interface is round, and the shape and the size of the thrust ball bearing race installation interface (202) are matched with those of the thrust ball bearing (3).
5. The hoisting device for the pitch control cabinet of the wind turbine generator system according to claim 2, wherein the right end type interface of the bearing seat (2) is clamped and combined with the lower supporting arm (101) and then welded.
6. Hoisting device for a pitch control cabinet of a wind turbine according to claim 4, characterized in that the thrust ball bearing (3) comprises a thrust ball bearing race (301), a thrust ball bearing collar (303), and rolling elements (302) arranged between the thrust ball bearing race (301) and the thrust ball bearing collar (303).
7. Hoisting device for a pitch control cabinet of a wind turbine according to claim 6, characterized in that a clearance fit is adopted between the bearing seat (2) and the thrust ball bearing race (301).
8. Hoisting device for a pitch control cabinet of a wind turbine generator according to claim 6, wherein the pitch control cabinet hoisting tray (4) isThe structure comprises a supporting bottom plate (402), a protection side plate (403) vertically connected to the side surface of the supporting bottom plate (402), and a rotating shaft (401) arranged at the center of the supporting bottom plate (402); the supporting bottom plate (402) is used for placing the variable-pitch control cabinet during hoisting, the protection side plate (403) is used for auxiliary fixation during hoisting of the variable-pitch control cabinet, and the rotating shaft (401) and the steering system formed by the thrust ball bearing (3) are used for adjusting the rotating angle during hoisting of the variable-pitch control cabinet and are used for positioning.
9. The hoisting device for a pitch control cabinet of a wind turbine generator system according to claim 8, wherein the rotating shaft (401) of the pitch control cabinet hoisting tray (4) is in interference fit with the thrust ball bearing shaft collar (303).
10. The hoisting device for the pitch control cabinet of the wind turbine generator system according to claim 1, wherein a steering system consisting of the pitch control cabinet hoisting tray (4) and the thrust ball bearing (3) can complete free rotation of 0-360 degrees, and the rotation angle is used for positioning when the pitch control cabinet is hoisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320515288.0U CN219449038U (en) | 2023-03-16 | 2023-03-16 | Hoisting device for variable-pitch control cabinet of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320515288.0U CN219449038U (en) | 2023-03-16 | 2023-03-16 | Hoisting device for variable-pitch control cabinet of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219449038U true CN219449038U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320515288.0U Active CN219449038U (en) | 2023-03-16 | 2023-03-16 | Hoisting device for variable-pitch control cabinet of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219449038U (en) |
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2023
- 2023-03-16 CN CN202320515288.0U patent/CN219449038U/en active Active
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