CN215666631U - Lifting device for hub of wind generating set - Google Patents
Lifting device for hub of wind generating set Download PDFInfo
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- CN215666631U CN215666631U CN202122092739.8U CN202122092739U CN215666631U CN 215666631 U CN215666631 U CN 215666631U CN 202122092739 U CN202122092739 U CN 202122092739U CN 215666631 U CN215666631 U CN 215666631U
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- generating set
- lifting tool
- wind generating
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Abstract
A lifting device for a hub of a wind generating set comprises: the hanger main body is of a triangular structure; the first suspension arm, the second suspension arm and the third suspension arm which are used as hoisting fulcrums are respectively arranged on three corners of the hanger main body; the bearing shaft is fixed in the middle of the hanger main body; and the matching unit is detachably connected to the lifting appliance main body and is arranged on one side of the bearing shaft. The utility model has high hoisting efficiency and simple operation, saves the labor cost and improves the safety.
Description
Technical Field
The utility model relates to the field of transportation of wind generating sets, in particular to a lifting tool for a hub of a wind generating set.
Background
When a hub casting of the wind generating set is transported to the field from an external field, and is loaded to an assembly station from a transport vehicle, and when the hub casting needs to be lifted between different stations, a lifting tool of the hub of the wind generating set is needed.
However, most of the existing hoisting methods adopt a special hoisting tool which needs manual installation, and the completion of hoisting operation can be ensured only by fastening 12 bolts by manpower; or the long hanging strip is wound around the hub to be hoisted, and the hub is hoisted and transported by a travelling crane. The prior art has a series of problems of low hoisting efficiency, high labor intensity, large safety risk and the like.
Based on the problems, the utility model provides a hoisting tool for a hub of a wind generating set, which can effectively overcome the defects and limitations in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a simple-structure and high-efficiency hoisting tool for a hub of a wind generating set, so as to replace a manual assembly hoisting mode, thereby solving the problems of low hoisting efficiency, high labor intensity and high safety risk to a certain extent.
In order to achieve the above object, the present invention provides a lifting tool for a hub of a wind turbine generator system, comprising: the hanger main body is of a triangular structure; the first suspension arm, the second suspension arm and the third suspension arm which are used as hoisting fulcrums are respectively arranged on three corners of the hanger main body; the bearing shaft is fixed in the middle of the hanger main body; and the matching unit is detachably arranged on the lifting appliance main body and is arranged on one side of the bearing shaft.
Preferably, the first suspension arm, the second suspension arm and the third suspension arm have the same structure and are all clamping grooves matched with the inner side of the hub.
Preferably, the counterweight group comprises a plurality of counterweights, and the counterweights can be detachably connected to the hanger main body; and selecting a proper number of balancing weights to be connected to the hanger main body according to the weight of the hanger main body and the weight of the single balancing weight.
Preferably, the outer surface of each clamping groove is wrapped with an anti-collision plate.
Preferably, the hanger main body is of an isosceles triangle structure, and the second hanger arm and the third hanger arm are installed on the bottom edge of the isosceles triangle structure of the hanger main body.
Preferably, the bearing shaft is arranged on a median line parallel to the bottom edge of the isosceles triangle structure of the hanger main body.
Preferably, the length of the bottom edge of the hanger main body is smaller than the diameter of a top hole of a hub of a wind generating set to be hung.
Preferably, the diameter of the circumscribed circle of the hanger main body is larger than the diameter of the top hole of the hub of the wind generating set to be hung.
Preferably, the top of the lifting appliance main body is provided with a hole through which a lifting belt can pass, so that the lifting belt is connected with the bearing shaft, and the lifting appliance is lifted.
In summary, the hoisting tool for the hub of the wind generating set provided by the utility model has the following technical effects:
1. compared with the speed of manually assembling the hub of the wind generating set by manpower, the speed of manually assembling the hub of the wind generating set needs 60 minutes per piece, and the efficiency can be greatly improved by using the hoisting tool provided by the utility model, so that each piece only needs 20 minutes;
2. compared with the existing manual assembly hoisting, the method needs to install the hoisting tool and fasten 14 bolts, is simple to operate, and reduces the assembly operation intensity, thereby reducing the labor cost.
3. Compared with the assembly of a large-scale wheel hub operated manually, the utility model greatly improves the safety.
Drawings
Fig. 1 is a schematic structural diagram of a hoisting tool for a hub of a wind turbine generator system according to an embodiment of the present invention;
FIG. 2 is a top view of a lifting tool for a hub of a wind turbine generator system according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first suspension arm clamping the hub when the hoisting tool hoists the hub in the embodiment;
FIG. 4 is a schematic view of the lifting tool in the embodiment when the hub is lifted by three lifting arms all seized on the hub.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model provides a hoisting tool for a hub of a wind generating set, which comprises the following components as shown in figures 1 and 2: the hanger main body 1 is hollow inside and has an isosceles triangle structure; the first suspension arm 21, the second suspension arm 22 and the third suspension arm 23 are respectively arranged at three corners of the hanger main body 1, the three suspension arms have the same structure and are all stepped clamping grooves 4 matched with the inner sides of the hubs, and the outsides of the clamping grooves 4 are wrapped by anti-collision plates 6; the bearing shaft 3 is arranged in the middle of the hanger main body 1 and penetrates through the hanger main body 1; a counterweight 5 is also arranged on the side of the bearing shaft 3, i.e. between the second boom 22 and the third boom 23.
The counterweight group 5 is detachably connected to the hanger main body (1) and comprises a plurality of counterweight blocks, and a proper amount of counterweight blocks are selected according to the weight of the hanger main body and the counterweight blocks; in this embodiment, the counterweight group 5 is composed of 5 weight blocks, and the weight of each weight block is 17 kg. The second suspension arm 22 and the third suspension arm 23 are respectively arranged on two vertexes of the bottom edge of the isosceles triangle structure of the hanger main body 1; the bearing shaft 3 is arranged on the median line of the bottom edge; the length of the bottom edge of the lifting appliance main body 1 is smaller than the diameter of the top hole of the hub to be lifted, so that the lifting tool can penetrate through the top hole of the hub to be lifted; the diameter of the circumscribed circle of the lifting appliance main body 1 is larger than that of the top hole of the hub to be lifted, so that the hub can be clamped on a lifting tool; the top of the hanger body 1 is hollowed out, so that the hanging strip passes through the bearing shaft 3, and the lifting tool is lifted.
In this embodiment, the width of every cascaded draw-in groove 4 is 200mm, and with the width adaptation of the flange face of treating hoist and mount wheel hub top for three draw-in groove 4 all can block the wheel hub inner wall during hoist and mount.
When the hoisting tool is used for hoisting a hub of a wind generating set, a sling on a crane penetrates through a bearing shaft 3 in the middle of a hoisting tool main body 1 to vertically hoist the hoisting tool, the hoisting tool is in a 30-degree inclined state during no-load vertical hoisting due to the action of a matching group 5, and one side provided with the matching group 5 sinks to be close to the ground; putting the hoisting tool into the hole from the top of the hub to be hoisted, adjusting the position by a crane to enable the high side of the hoisting tool, namely the first suspension arm 21 to contact the inner wall of the hub, and enabling the clamping groove 4 on the first suspension arm 21 to clamp the inner wall of the hub to form a fulcrum, as shown in fig. 3; lifting the crane to enable the lifting tool to be in a horizontal state, enabling the clamping grooves 4 on the second lifting arm 22 and the third lifting arm 23 to simultaneously contact the inner wall of the hub, and enabling the hub to be lifted to be clamped on the lifting tool as the size of the lifting tool is larger than that of the top hole of the hub and the width of the clamping groove 4 is matched with that of the flange surface of the hub, as shown in fig. 4; and the crane is continuously lifted, so that the hub of the wind generating set can ascend along with the lifting tool, and the lifting purpose is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A lifting device of a wind generating set hub is characterized by comprising: the lifting appliance main body (1) is of a triangular structure; a first suspension arm (21), a second suspension arm (22) and a third suspension arm (23) which are used as hoisting fulcrums are respectively arranged on three corners of the hanger main body (1); the bearing shaft (3) is fixed in the middle of the hanger main body (1); and the matching unit (5) is detachably connected to the lifting appliance main body (1) and is arranged on one side of the bearing shaft (3).
2. The lifting tool for the hub of the wind generating set according to claim 1, wherein the first suspension arm (21), the second suspension arm (22) and the third suspension arm (23) have the same structure and are all clamping grooves (4) matched with the inner side of the hub.
3. The lifting tool for the hub of the wind generating set according to claim 1, wherein the top of the lifting tool body (1) is provided with a hole through which the hanging strip can pass, so that the hanging strip is connected with the bearing shaft (3) to lift the lifting tool.
4. The lifting tool for the hub of the wind generating set according to claim 1, wherein the counterweight group (5) comprises a plurality of counterweights, and the counterweights are detachably connected to the lifting tool body (1); selecting a proper number of balancing weights to be connected to the hanger main body (1) according to the weight of the hanger main body (1) and the weight of a single balancing weight.
5. The lifting tool for the hub of the wind generating set according to claim 2, wherein the outer surfaces of the clamping grooves (4) are all wrapped with the anti-collision plates (6).
6. The lifting tool for wind generating set hub according to claim 1, characterized in that the lifting tool body (1) is an isosceles triangle structure, and the second and third lifting arms (22, 23) are installed on the bottom of the isosceles triangle structure of the lifting tool body (1).
7. The lifting tool for wind generating set hub according to claim 6, characterized in that the bearing shaft (3) is installed on the median line parallel to the bottom edge of the isosceles triangle structure of the lifting tool body (1).
8. The lifting tool for the hub of the wind generating set according to claim 6, wherein the length of the bottom edge of the lifting tool body (1) is smaller than the diameter of the top hole of the hub of the wind generating set to be lifted.
9. The lifting tool for the hub of the wind generating set according to claim 6, wherein the diameter of the circumscribed circle of the lifting tool body (1) is larger than the diameter of the top hole of the hub of the wind generating set to be lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092739.8U CN215666631U (en) | 2021-09-01 | 2021-09-01 | Lifting device for hub of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092739.8U CN215666631U (en) | 2021-09-01 | 2021-09-01 | Lifting device for hub of wind generating set |
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| Publication Number | Publication Date |
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| CN215666631U true CN215666631U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122092739.8U Active CN215666631U (en) | 2021-09-01 | 2021-09-01 | Lifting device for hub of wind generating set |
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| CN (1) | CN215666631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142327A (en) * | 2023-10-31 | 2023-12-01 | 江苏宏德特种部件股份有限公司 | Vertical processing hoist and mount hoist of wind-powered electricity generation wheel hub |
-
2021
- 2021-09-01 CN CN202122092739.8U patent/CN215666631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142327A (en) * | 2023-10-31 | 2023-12-01 | 江苏宏德特种部件股份有限公司 | Vertical processing hoist and mount hoist of wind-powered electricity generation wheel hub |
| CN117142327B (en) * | 2023-10-31 | 2024-01-26 | 江苏宏德特种部件股份有限公司 | Vertical processing hoist and mount hoist of wind-powered electricity generation wheel hub |
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