CN219929376U - Draught fan blade traction protection device - Google Patents
Draught fan blade traction protection device Download PDFInfo
- Publication number
- CN219929376U CN219929376U CN202321233643.1U CN202321233643U CN219929376U CN 219929376 U CN219929376 U CN 219929376U CN 202321233643 U CN202321233643 U CN 202321233643U CN 219929376 U CN219929376 U CN 219929376U
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- China
- Prior art keywords
- double
- layer
- fan blade
- triangular metal
- rope
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- 239000002184 metal Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims description 42
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a draught fan blade traction protection device which comprises two double-layer triangular metal shells with opposite vertex angles, a sling and a lifting appliance, wherein the bottom edges of the double-layer triangular metal shells are closed and are arc surfaces, side openings of the double-layer triangular metal shells form an inner cavity, screw holes are formed in the vertex angle positions of the double-layer triangular metal shells, through holes are respectively formed in the bottom corners of the double-layer triangular metal shells close to the bottom edges, the number of the sling is two, and the sling penetrates through the through holes in one bottom corner position of one shell and the through holes in the same side bottom corner position of the other shell and is tightened at the lifting appliance. The utility model has the advantages that: the fan blade is stable and reliable, the size is adjustable, the fan blade is suitable for various fan blade models, the stability of the blade in the lifting process is guaranteed, and the damage to the surface of the blade is avoided.
Description
Technical Field
The utility model relates to the technical field of traction protection devices, in particular to a fan blade traction protection device.
Background
In the wind power industry, in the hoisting operation process of the blade, because wind field and wind force are large, a traction protection device is generally required to be sleeved near the tip or root of the blade, and meanwhile, ropes are tied to be pulled by ground personnel. Currently, the wind power industry commonly adopts traction protection devices with fixed structures or only uses flexible lasso. However, the traditional flexible lasso traction device lacks a fixed structure, is easy to loosen and has poor construction safety; while the traction protection device of the fixed structure has relatively good safety, one device can only be adapted to one type of blade.
Disclosure of Invention
The utility model aims to provide a fan blade traction protection device which is stable and reliable, has adjustable size, is suitable for various fan blade types, ensures the stability of the blade in the lifting process and avoids damage to the surface of the blade.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the utility model provides a fan blade pulls protection device, includes two relative double-deck triangle-shaped metal casing of apex angle, hoist cable and hoist, double-deck triangle-shaped metal casing's base seals and is the arc surface, and its side opening forms inside cavity, and its apex angle position is equipped with the screw, and its base angle is close to the base position and is equipped with the rope hole that link up from top to bottom respectively, the hoist cable is two, passes the rope hole that link up from top to bottom in one of them base angle position of shell and the rope hole that link up from top to bottom in the homonymy base angle position of another shell respectively and tighten up in hoist department.
Further, the inner wall of the double-layer triangle metal shell is provided with a flexible anti-slip layer, and the flexible anti-slip layer is a composite film layer, a hot melt adhesive layer and a protective layer which are sequentially attached from inside to outside.
Further, the lifting appliance comprises a double-layer clamp and a pair of fixed pulleys and rope position fixing devices arranged in the double-layer clamp, the fixed pulleys in pairs are arranged at intervals and are positioned on the same horizontal plane, the tightening direction of the lifting rope can be guided, the rope position fixing devices are arranged on the upper sides of the fixed pulleys in pairs and are positioned on the central lines of the fixed pulleys in pairs, and the lifting rope penetrates out of the rope position fixing devices and extends upwards after being tightened.
Compared with the prior art, the utility model has the following advantages:
the fan blade traction protection device is stable, reliable, adjustable in size, suitable for various fan blade types, capable of guaranteeing stability of the blade in the lifting process and capable of avoiding damage to the surface of the blade. Specifically, the main body structure of the utility model is a rigid metal shell, the shell is fixed by matching with a fastening bolt, and the inner side of the shell is provided with a flexible anti-slip layer, so that the material has the advantages of good anti-slip effect, strong wear resistance and the like, can furthest avoid the loosening of the device, and effectively improves the safety of the device; the metal shell of the fan blade traction protection device can be adjusted in distance by means of the steel cable, the distance between the upper page and the lower page of the metal shell can be adjusted, the fan blade traction protection device is ensured to be applicable to fan blades of different types, and the fan blade traction protection device has wider applicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the front structure of the present utility model.
Fig. 3 is a schematic view of the internal structure of the rope sheave of the present utility model.
Reference numerals: 1. a double-layered triangular metal housing; 2. a sling; 3. a lifting appliance; 31. a fixed pulley; 32. rope position fixer; 4. a screw hole; 5. threading the rope hole; 6. a flexible anti-slip layer.
Description of the embodiments
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a fan blade traction protection device comprises two layers of triangular metal shells 1 with opposite vertex angles, a sling 2 and a sling 3. The bottom edge of the double-layer triangle metal shell 1 is closed and is an arc surface, the side edge of the double-layer triangle metal shell is opened to form an internal cavity, and the flexible opening and closing structure is used for placing fan blades and can be suitable for fan blades of various types, so that the application range of the double-layer triangle metal shell is widened; screw holes 4 are arranged at the top angle positions of the two-layer triangle metal shell 1, after the fan blades are arranged in the two-layer triangle metal shell, screws are screwed into the screw holes 4 to fix the fan blades, and the bottom angles of the two-layer triangle metal shell are respectively provided with a rope penetrating hole 5 which penetrates up and down near the bottom edges; the two slings 2 respectively penetrate through a rope penetrating hole 5 which penetrates through one of the bottom corner positions of one shell up and down and a rope penetrating hole 5 which penetrates through the same side bottom corner position of the other shell up and down, and are tightened at the position of the sling 3. Further, the distance between the two opposite double-layer triangular metal shells 1 can be controlled by controlling the retraction of the sling 2, so that the purpose of adapting to fan blades with different sizes is realized.
Preferably, as shown in fig. 2, the inner wall of the double-layer triangular metal casing 1 is provided with a flexible anti-slip layer 6, the flexible anti-slip layer 6 is a composite film layer, a hot melt adhesive layer and a protective layer which are sequentially attached from inside to outside, and the materials have the advantages of good anti-slip effect, strong wear resistance and the like, so that the friction force between the device and the surface of the fan blade can be increased, the slipping is prevented, and meanwhile, the surface of the fan blade is prevented from being scratched by a rigid structure.
As shown in fig. 3, the lifting appliance 3 includes a double-layer fixture and a pair of fixed pulleys 31 and rope position retainers 32 disposed in the double-layer fixture, the fixed pulleys 31 in pairs are disposed at intervals and on the same horizontal plane, so as to guide the tightening direction of the lifting rope 2, the rope position retainers 32 are disposed on the upper sides of the fixed pulleys 31 in pairs and on the central line thereof, the rope position retainers 32 are used for limiting the penetrating direction of the lifting rope 2, and the lifting rope 2 is respectively penetrated out of the rope position retainers 32 and extends upwards after being tightened.
The working principle of the utility model is as follows: after the fan blade forming process is finished and the fan blade is lifted to the turning vehicle, the traction protection device is directly sleeved on the point where the fan blade needs to be traction from the direction of the blade tip or the blade root, so that the effect of guiding the movement of the fan blade is achieved; firstly, two pages of two double-layer triangle metal shells 1 are separated respectively, the heads or the tails of fan blades are sleeved into the shells, then a sling 2 is tensioned, so that the oppositely arranged double-layer triangle metal shells 1 are close towards the middle to adapt to fan blades with different sizes, then the upper page and the lower page of the double-layer triangle metal shells 1 are closed, screws are used for penetrating screw holes 4 at the top angle positions of the shells to fix the fan blades, and therefore the traction protection device is installed. The inner wall of the traction protection device is provided with the flexible anti-slip layer 6, and the outer side of the traction protection device can be fastened through screws, so that slipping of fan blades is avoided, and the safety of the device is improved; besides, the device is convenient to assemble, disassemble and use, can effectively reduce the workload in the hoisting process of the fan blade, and improves the production efficiency.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (3)
1. A fan blade pulls protection device which characterized in that: the double-layer triangular metal shell with opposite vertex angles comprises two double-layer triangular metal shells, a sling and a lifting appliance, wherein the bottom edges of the double-layer triangular metal shells are closed and are arc surfaces, side openings of the double-layer triangular metal shells form an inner cavity, screw holes are formed in the vertex angle positions of the double-layer triangular metal shells, penetrating rope holes are formed in the bottom corners of the double-layer triangular metal shells close to the bottom edges of the double-layer triangular metal shells, the two slings penetrate through the penetrating rope holes in one of the two shells and the penetrating rope holes in the same side of the other shell, and the slings are tightened at the lifting appliance.
2. A fan blade traction protection device according to claim 1, wherein: the inner wall of the double-layer triangle metal shell is provided with a flexible anti-slip layer, and the flexible anti-slip layer is a composite film layer, a hot melt adhesive layer and a protective layer which are sequentially attached from inside to outside.
3. A fan blade traction protection device according to claim 1 or 2, characterized in that: the lifting appliance comprises a double-layer clamp and a pair of fixed pulleys and rope position fixing devices, wherein the fixed pulleys and the rope position fixing devices are arranged in the double-layer clamp, the fixed pulleys are arranged in pairs at intervals and are positioned on the same horizontal plane, the tightening direction of a lifting rope can be guided, the rope position fixing devices are arranged on the upper sides of the fixed pulleys and are positioned on the central lines of the fixed pulleys, and the lifting rope respectively penetrates out of the rope position fixing devices and extends upwards after being tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233643.1U CN219929376U (en) | 2023-05-22 | 2023-05-22 | Draught fan blade traction protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233643.1U CN219929376U (en) | 2023-05-22 | 2023-05-22 | Draught fan blade traction protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929376U true CN219929376U (en) | 2023-10-31 |
Family
ID=88488308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321233643.1U Active CN219929376U (en) | 2023-05-22 | 2023-05-22 | Draught fan blade traction protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929376U (en) |
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2023
- 2023-05-22 CN CN202321233643.1U patent/CN219929376U/en active Active
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| GR01 | Patent grant |