CN212639756U - Suspension arm structure for wind turbine hub - Google Patents
Suspension arm structure for wind turbine hub Download PDFInfo
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- CN212639756U CN212639756U CN202020729813.5U CN202020729813U CN212639756U CN 212639756 U CN212639756 U CN 212639756U CN 202020729813 U CN202020729813 U CN 202020729813U CN 212639756 U CN212639756 U CN 212639756U
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Abstract
The utility model relates to a wind-powered electricity generation technical field especially relates to a davit structure for wind turbine generator system wheel hub. By base, vertical lifter, davit, telescopic cylinder, chain, pulley, lifting hook and chain bear the weight of the box and constitute to through the cooperation relation each other, realize the lifting hook can follow opening on wheel hub's the non-horizontal lateral wall stretches into wheel hub inside and descend and suspends the operation in midair to the article that needs suspend the transport in midair, overall structure is comparatively simple, and labour saving and time saving effectively avoids the potential safety hazard that artifical transport exists.
Description
Technical Field
The utility model relates to a wind-powered electricity generation technical field especially relates to a davit structure for wind turbine generator system wheel hub.
Background
At present, a wind turbine generator set basically adopts a beam type suspension arm, most openings of a hub are not arranged on the top surface, and the openings are smaller, so that the suspension arm cannot stretch into the hub, and when some heavier parts need to be hung, the suspension arm can only be moved to the outside of the hub by manpower to be reused, so that time and labor are wasted, and the risk in the moving process is higher.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a simple structure's a davit structure for wind turbine generator system wheel hub is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a suspension arm structure for a hub of a wind turbine generator is provided, wherein an opening is formed in the non-horizontal side wall of the hub, and the suspension arm structure comprises a base, a vertical lifting rod, a suspension arm, a telescopic cylinder, a chain, a pulley, a lifting hook and a chain bearing box; the vertical lifting rod is vertically arranged on the base, the suspension arm is horizontally arranged at the top of the vertical lifting rod, the vertical section of the suspension arm is matched with the opening on the hub, the suspension arm comprises a fixed section and a telescopic section, the fixed section is fixedly connected with the top of the vertical lifting rod, one end of the telescopic section is embedded in the fixed section, the other end of the telescopic section extends to the outside of the fixed section along the horizontal direction, one end of the telescopic cylinder is fixed on the upper surface of the fixed section, the other end of the telescopic cylinder is fixed on the upper surface of the telescopic section, the pulley is arranged on one end of the telescopic section far away from the fixed section, the chain bearing box is arranged on the lower surface of the fixed section, one end of the chain is placed in the chain bearing box, the other end of the chain passes through the inner cavity of the suspension arm and then freely droops after reaching the pulley, and the other end of the chain is connected with a lifting hook.
Furthermore, the fixed section and the telescopic section of the suspension arm are both of square frame structures, and sliding grooves and sliding blocks which are matched with each other are arranged on the contact surfaces of the fixed section and the telescopic section.
Further, the material of lifting hook is aluminum alloy or stainless steel, be equipped with first magnetic path on the prong of lifting hook, the lower surface of flexible section is equipped with the lifting rope that can follow vertical direction lift, the lower extreme of lifting rope is equipped with the second magnetic path, works as when the second magnetic path is located same horizontal plane with first magnetic path, keep between second magnetic path and the first magnetic path and predetermine the interval just there is mutual magnetic attraction between second magnetic path and the first magnetic path.
Furthermore, an arc-shaped through hole is formed in the joint of the lower surface of the telescopic section and the lifting rope, the circle center of a virtual circle corresponding to the arc where the arc-shaped through hole is located on the axis of the free-falling part of the chain, a shifting rod is arranged in the telescopic section, and the shifting rod is configured to control the lifting rope to swing along the arc direction of the arc-shaped through hole.
The beneficial effects of the utility model reside in that:
the utility model provides a davit structure for wind turbine generator system wheel hub bears the box by base, vertical lifter, davit, telescopic cylinder, chain, pulley, lifting hook and chain and constitutes to through the cooperation relation each other, realize the lifting hook can follow opening on wheel hub's the non-horizontal lateral wall stretches into to wheel hub inside and descends to hanging in midair the operation to the article that needs suspend the transport in midair, overall structure is comparatively simple, and labour saving and time saving effectively avoids the potential safety hazard that artifical transport exists.
Drawings
Fig. 1 is a schematic structural diagram of a boom structure for a hub of a wind turbine generator according to the present invention;
fig. 2 is another schematic structural diagram of a boom structure for a hub of a wind turbine generator according to the present invention;
FIG. 3 illustrates a bottom view of the boom;
FIG. 4 is a top view of the boom without a top cover;
description of reference numerals:
1. a base; 2. a vertical lifting rod; 3. a suspension arm; 31. a fixed section; 32. a telescopic section; 321. an arc-shaped through hole; 322. a deflector rod;
4. a telescopic cylinder; 5. a chain; 6. a pulley; 7. a hook; 71. a first magnetic block; 8. a chain carrying box; 9. a lifting rope; 91. a second magnetic block.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the suspension arm structure for a hub of a wind turbine generator of the present invention includes a base, a vertical lifting rod, a suspension arm, a telescopic cylinder, a chain, a pulley, a hook, and a chain bearing box, wherein an opening is formed on a non-horizontal side wall of the hub; the vertical lifting rod is vertically arranged on the base, the suspension arm is horizontally arranged at the top of the vertical lifting rod, the vertical section of the suspension arm is matched with the opening on the hub, the suspension arm comprises a fixed section and a telescopic section, the fixed section is fixedly connected with the top of the vertical lifting rod, one end of the telescopic section is embedded in the fixed section, the other end of the telescopic section extends to the outside of the fixed section along the horizontal direction, one end of the telescopic cylinder is fixed on the upper surface of the fixed section, the other end of the telescopic cylinder is fixed on the upper surface of the telescopic section, the pulley is arranged on one end of the telescopic section far away from the fixed section, the chain bearing box is arranged on the lower surface of the fixed section, one end of the chain is placed in the chain bearing box, the other end of the chain passes through the inner cavity of the suspension arm and then freely droops after reaching the pulley, and the other end of the chain is connected with a lifting hook.
From the above description, the beneficial effects of the present invention are:
the utility model provides a davit structure for wind turbine generator system wheel hub bears the box by base, vertical lifter, davit, telescopic cylinder, chain, pulley, lifting hook and chain and constitutes to through the cooperation relation each other, realize the lifting hook can follow opening on wheel hub's the non-horizontal lateral wall stretches into to wheel hub inside and descends to hanging in midair the operation to the article that needs suspend the transport in midair, overall structure is comparatively simple, and labour saving and time saving effectively avoids the potential safety hazard that artifical transport exists.
Furthermore, the fixed section and the telescopic section of the suspension arm are both of square frame structures, and sliding grooves and sliding blocks which are matched with each other are arranged on the contact surfaces of the fixed section and the telescopic section.
From the above description, through the structure, make fixed section and flexible section can cooperate better, ensure overall structure stability.
Further, the material of lifting hook is aluminum alloy or stainless steel, be equipped with first magnetic path on the prong of lifting hook, the lower surface of flexible section is equipped with the lifting rope that can follow vertical direction lift, the lower extreme of lifting rope is equipped with the second magnetic path, works as when the second magnetic path is located same horizontal plane with first magnetic path, keep between second magnetic path and the first magnetic path and predetermine the interval just there is mutual magnetic attraction between second magnetic path and the first magnetic path.
It can be known from the above description that the lifting hook can rotate freely in 360 degrees on the horizontal plane originally, and is difficult to hook once when the lifting hook unhooks the object to be suspended, and needs to be adjusted many times or be hooked with the object to be suspended manually, so that the work efficiency is low or the risk factor is high. In the mode, the mutual magnetic attraction force exists between the first magnetic block and the second magnetic block, the hook tip of the lifting hook can face to the designated horizontal direction, and therefore the object to be hung is placed in advance according to the designated direction, the object can be hooked at one time, and the working efficiency is improved.
Furthermore, an arc-shaped through hole is formed in the joint of the lower surface of the telescopic section and the lifting rope, the circle center of a virtual circle corresponding to the arc where the arc-shaped through hole is located on the axis of the free-falling part of the chain, a shifting rod is arranged in the telescopic section, and the shifting rod is configured to control the lifting rope to swing along the arc direction of the arc-shaped through hole.
From the above description, the lifting rope can be controlled by the deflector rod to swing along the arc direction of the arc-shaped through hole, namely the direction of the hook tip of the lifting hook is controlled, the direction of the hook tip of the lifting hook is adjustable, and the lifting rope is suitable for various suspended objects.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
the utility model discloses a davit structure for wind turbine generator system wheel hub, have the opening on the non-horizontal lateral wall of wheel hub, the davit structure includes base 1, vertical lifter 2, davit 3, telescopic cylinder 4, chain 5, pulley 6, lifting hook 7 and chain bearing box 8;
the base 1 is horizontally arranged on one side close to the opening of the hub, the vertical lifting rod 2 is vertically arranged on the upper surface of the base 1, the suspension arm 3 is horizontally arranged at the top of the vertical lifting rod 2, and the vertical section of the suspension arm is matched with the opening on the hub in size;
the suspension arm 3 comprises a fixed section 31 and a telescopic section 32, the fixed section and the telescopic section of the suspension arm are both of square frame structures, and sliding grooves and sliding blocks which are matched with each other are arranged on the contact surfaces of the fixed section and the telescopic section. In this embodiment, the fixed internal surface that sets up at the canned paragraph of spout, this spout are the bar cell body that extends along the flexible direction of telescopic cylinder, and the slider is fixed to be set up on the surface of flexible section, and in the relative bar cell body that sets up was stretched into to the slider, realized sliding connection. Because the square frame structures are adopted and are in a nested relation, the gap between the square frame structures and the nested relation is small, and the stability of the whole structure is facilitated.
Wherein, canned paragraph 31 with the top fixed connection of vertical lifter 2, flexible section 32 one end is inlayed and is located in canned paragraph 31, the flexible section 32 other end extends to the canned paragraph outside along the horizontal direction, 4 one ends of telescopic cylinder are fixed the upper surface of canned paragraph 31, the 4 other ends of telescopic cylinder are fixed the upper surface of flexible section 32, pulley 6 sets up and keeps away from the canned paragraph at flexible section one and serves, the chain bears the lower surface that box 8 set up at the canned paragraph, and the chain bears the box and is a rectangle box body that does not have the top surface, 5 one end of chain place in the chain bears in the box 8, 5 other ends of chain pass davit inner chamber to pulley 6 back free flagging just the chain other end is connected with lifting hook 7.
As shown in fig. 2, the material of the lifting hook 7 is aluminum alloy or stainless steel, a first magnetic block 71 is arranged on a hook tip of the lifting hook, a lifting rope 9 capable of lifting along a vertical direction is arranged on the lower surface of the telescopic section, a second magnetic block 91 is arranged at the lower end of the lifting rope 9, and when the second magnetic block 91 and the first magnetic block 71 are located on the same horizontal plane, a preset interval is kept between the second magnetic block and the first magnetic block, and a mutual magnetic attraction force exists between the second magnetic block and the first magnetic block. Originally, the lifting hook can rotate at 360 degrees arbitrary on the horizontal plane, is difficult to once only to get on the hook when the lifting hook unhook is waited to suspend in the palm the thing, needs to adjust many times or by the manual work with the lifting hook with wait to suspend in the palm the thing and go on getting on the hook, consequently, work efficiency is low or danger coefficient is high. In the mode, the mutual magnetic attraction force exists between the first magnetic block and the second magnetic block, the hook tip of the lifting hook can face to the designated horizontal direction, and therefore the object to be hung is placed in advance according to the designated direction, the object can be hooked at one time, and the working efficiency is improved. In this embodiment, the second magnetic block and the first magnetic block are both of the same rectangular parallelepiped structure, and have a length of 10cm, a width of 5cm, a height of 8cm, and a predetermined distance of 35cm to 55cm, preferably 50 cm.
As shown in fig. 3-4, the lower surface of the telescopic section 32 is connected to the lifting rope to form an arc-shaped through hole 321, the center of a virtual circle corresponding to the arc of the arc-shaped through hole is located on the axis of the freely hanging portion of the chain, and a deflector rod 322 is disposed in the telescopic section, wherein the deflector rod 322 is configured to control the lifting rope to swing along the arc of the arc-shaped through hole. The lifting rope can be controlled by the lifting lever to swing along the arc direction of the arc-shaped through hole, namely the direction of the hook tip of the lifting hook is controlled, the direction of the hook tip of the lifting hook is adjustable, and the lifting hook is suitable for various suspended objects.
To sum up, the utility model provides a davit structure for wind turbine generator system wheel hub bears the box by base, vertical lifter, davit, telescopic cylinder, chain, pulley, lifting hook and chain and constitutes to through the cooperation relation each other, realize the lifting hook can follow opening on wheel hub's the non-horizontal lateral wall stretches into to wheel hub inside and descends to hanging in midair the operation to the article that needs suspend the transport in midair, overall structure is comparatively simple to labour saving and time saving effectively avoids the potential safety hazard that artifical transport exists.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (4)
1. A suspension arm structure for a hub of a wind turbine generator is characterized in that the suspension arm structure comprises a base, a vertical lifting rod, a suspension arm, a telescopic cylinder, a chain, a pulley, a lifting hook and a chain bearing box, wherein the opening is formed in the non-horizontal side wall of the hub; the vertical lifting rod is vertically arranged on the base, the suspension arm is horizontally arranged at the top of the vertical lifting rod, the vertical section of the suspension arm is matched with the opening on the hub, the suspension arm comprises a fixed section and a telescopic section, the fixed section is fixedly connected with the top of the vertical lifting rod, one end of the telescopic section is embedded in the fixed section, the other end of the telescopic section extends to the outside of the fixed section along the horizontal direction, one end of the telescopic cylinder is fixed on the upper surface of the fixed section, the other end of the telescopic cylinder is fixed on the upper surface of the telescopic section, the pulley is arranged on one end of the telescopic section far away from the fixed section, the chain bearing box is arranged on the lower surface of the fixed section, one end of the chain is placed in the chain bearing box, the other end of the chain passes through the inner cavity of the suspension arm and then freely droops after reaching the pulley, and the other end of the chain is connected with a lifting hook.
2. The suspension arm structure for the wind turbine generator hub as claimed in claim 1, wherein the fixed section and the telescopic section of the suspension arm are both square frame structures, and the contact surfaces of the fixed section and the telescopic section are provided with a sliding groove and a sliding block which are matched with each other.
3. The suspension arm structure for the wind turbine generator hub as claimed in claim 1, wherein the lifting hook is made of aluminum alloy or stainless steel, a first magnetic block is arranged on a hook tip of the lifting hook, a lifting rope capable of lifting in the vertical direction is arranged on the lower surface of the telescopic section, a second magnetic block is arranged at the lower end of the lifting rope, and when the second magnetic block and the first magnetic block are located on the same horizontal plane, a preset interval is kept between the second magnetic block and the first magnetic block, and mutual magnetic attraction force exists between the second magnetic block and the first magnetic block.
4. The suspension arm structure for the wind turbine generator hub as claimed in claim 3, wherein an arc-shaped through hole is formed at a joint of the lower surface of the telescopic section and the suspension rope, a center of a virtual circle corresponding to an arc of the arc-shaped through hole is located on an axis of the free-falling part of the chain, and a deflector rod is arranged in the telescopic section and configured to control the suspension rope to swing along the arc of the arc-shaped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729813.5U CN212639756U (en) | 2020-05-07 | 2020-05-07 | Suspension arm structure for wind turbine hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729813.5U CN212639756U (en) | 2020-05-07 | 2020-05-07 | Suspension arm structure for wind turbine hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212639756U true CN212639756U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020729813.5U Active CN212639756U (en) | 2020-05-07 | 2020-05-07 | Suspension arm structure for wind turbine hub |
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| Country | Link |
|---|---|
| CN (1) | CN212639756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988299A (en) * | 2022-07-11 | 2022-09-02 | 安徽康新建设工程有限公司 | Stable assembly part hoisting device for assembly construction and hoisting method thereof |
-
2020
- 2020-05-07 CN CN202020729813.5U patent/CN212639756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988299A (en) * | 2022-07-11 | 2022-09-02 | 安徽康新建设工程有限公司 | Stable assembly part hoisting device for assembly construction and hoisting method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 2-53b, No.27 Huli Road, Mawei District, Fuzhou City, Fujian Province Patentee after: Fujian Offshore Power Operation and Maintenance Technology Co.,Ltd. Address before: Room 2-53b, No.27 Huli Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Haidian operation and Maintenance Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |