CN217440219U - Wind turbine generator system power cable limit structure - Google Patents
Wind turbine generator system power cable limit structure Download PDFInfo
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- CN217440219U CN217440219U CN202221091551.XU CN202221091551U CN217440219U CN 217440219 U CN217440219 U CN 217440219U CN 202221091551 U CN202221091551 U CN 202221091551U CN 217440219 U CN217440219 U CN 217440219U
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- pipe section
- cable
- limiting cylinder
- wind turbine
- turbine generator
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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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses a wind turbine generator system power cable limiting structure, which comprises a cable limiting cylinder and a fixing frame; the cable limiting device comprises a fixing frame, a cable limiting cylinder, a power cable and a power cable, wherein the fixing frame is arranged inside a tower barrel of the wind turbine generator and is provided with a vacancy for clamping the cable limiting cylinder, the cable limiting cylinder is vertically arranged at the vacancy of the fixing frame, the cable limiting cylinder comprises a top pipe section, a straight pipe section and an arc pipe section, one end of the top pipe section is connected with one end of the straight pipe section, the arc pipe section is in a divergent horn shape from the top end to the bottom end and is used for increasing the contact area when the arc pipe section is in friction collision with the power cable, and the other end of the straight pipe section is connected with the top end of the arc pipe section; the utility model discloses can reduce the produced frictional force with power cable's contact, the bottom of the spacing section of thick bamboo of cable adopts loudspeaker column structural design simultaneously, area of contact when can increase and cable friction collision reaches the dispersion to the produced effort of the striking operating mode of cable and a spacing section of thick bamboo, reduces wind turbine generator system cost of maintenance, improves wind turbine generator system operating stability.
Description
Technical Field
The utility model belongs to the technical field of the spacing technique of wind turbine generator system power cable and specifically relates to indicate a wind turbine generator system power cable limit structure.
Background
The power cable twisting section is mainly acted in a twisting range which can be borne by the cable, so that the main machine can yaw without twisting the cable, and the power cable twisting section is in a natural vertical state. Wind generating set is at the operation in-process, and the unit can be because various operating modes produce the horizontal vibration of different degrees, and the cable section power cable of twisting round this moment also correspondingly produces and sways, and wherein harm includes: firstly, the power cable impacts equipment in the tower barrel, so that the cable and the equipment are damaged; secondly, increasing the bearing load of the suspension point of the power cable at the twisted cable section and keeping the cable in a continuously pulled state; and thirdly, if the horizontal vibration of the wind generating set and the action force of the cable swing of the twisted cable section reach the uniform direction and frequency, the wind generating set can generate larger horizontal vibration.
Therefore, the limiting cylinder is added to the free vertical part of the cable twisting section of the power cable of the existing wind turbine generator, the swing range of the cable is greatly reduced, the cable twisting function is not influenced, and through long-time operation, the power cable is close to the limiting cylinder, so that the swing of the power cable in the limited range and the edge of the limiting cylinder are always in a friction state, the time is long, and the abrasion degree of the insulating sheath of the cable exposes the inner conductor of the cable even. In many schemes, adding a limit swing structural member to a power cable twisting section of the wind generating set is a better choice. For the problem that the cable is abraded after a long time, although the edge of the limiting cylinder is provided with installation protection, and the friction position between the cable and the edge of the limiting cylinder is also provided with binding rubber, the rubber has a risk of falling off due to the swinging of the cable, and the cable is finally damaged by the edge protection friction between the cable and the limiting cylinder; the method mainly comprises the following three points: 1. the power cable is characterized in that the insulating sheath of the cable and the edge protection of the limiting cylinder are both made of rubber materials due to temperature, after the temperature of the rubber materials exceeds a certain value, the hardness and the rebound resilience of the power cable are reduced when the temperature is higher, and the power cable is relatively higher in temperature in continuous work under the same environment, so that a unit is in a full-power running state; 2. the shore hardness of the selected rubber is not more than 65 due to the working property of the cable and the consideration of various working conditions and use safety factors including insulation performance, resilience performance, temperature resistance, cold resistance and the like, and the protective rubber at the edge of the limiting cylinder is made of TPU (thermoplastic polyurethane) material, and the shore hardness of the protective rubber is 85; 3. the frictional force is great, and the cable insulation crust all is the rubber material with the protective rubber at spacing section of thick bamboo edge, and the frictional force between the two bodies is great.
For the problem, the existing scheme refers to that a cable protection spacer ring is installed at a cable friction position, but also has the difficulties of low cost, simple installation in design, difficulty in sliding down on the premise of not damaging the cable, and standardization of the number and specifications of power cables corresponding to different models.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve not enough among the prior art, provide a wind turbine generator system power cable limit structure, reduce turning round cable section and the spacing section of thick bamboo wearing and tearing of cable of wind turbine generator system power cable for wind turbine generator system reduces cost of maintenance and improves operating stability.
In order to achieve the above object, the present invention provides a technical solution: a wind turbine generator power cable limiting structure comprises a cable limiting cylinder and a fixing frame; the cable limiting device comprises a fixing frame, a cable limiting cylinder and an arc pipe section, wherein the fixing frame is arranged inside a tower barrel of the wind turbine generator and is provided with a vacancy used for clamping the cable limiting cylinder, the cable limiting cylinder is vertically arranged at the vacancy of the fixing frame, the cable limiting cylinder comprises a top pipe section, a straight pipe section and the arc pipe section, one end of the top pipe section is connected with one end of the straight pipe section, the arc pipe section is in a divergent horn shape from the top end to the bottom end and is used for increasing the contact area when the arc pipe section is in friction collision with a power cable, and the other end of the straight pipe section is connected with the top end of the arc pipe section.
Further, the top pipe section and the straight pipe section are both cylindrical structures, and the diameter of the top pipe section is larger than that of the straight pipe section.
Further, the cable limiting cylinder is a PVC cable limiting cylinder.
Furthermore, a sealant is arranged at the contact position of the fixing frame and the outer wall of the cable limiting cylinder.
Furthermore, a buckle used for preventing the falling of the cable limiting cylinder is arranged between the cable limiting cylinder and the fixing frame.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses a spacing section of thick bamboo surface of cable is smooth, can reduce the produced frictional force with power cable's contact, and the bottom cancellation of the spacing section of thick bamboo of cable simultaneously protects rubber, and adopts loudspeaker column structural design, area of contact when can increase and cable friction collision reaches the dispersion to the produced effort of the striking operating mode of cable and a spacing section of thick bamboo, reduces wind turbine generator system cost of maintenance, improves the stability of wind turbine generator system operation.
Drawings
Fig. 1 is a side view of a cable retention barrel.
Fig. 2 is a top view of the cable retention barrel.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Referring to fig. 1 to 2, the wind turbine generator power cable limiting structure provided in this embodiment includes a cable limiting cylinder and a fixing frame (not shown in the drawings);
wherein the fixed mount is arranged inside a tower cylinder of the wind turbine generator and forms a vacant position for clamping the cable limiting cylinder, the cable limiting cylinder is a PVC cable limiting cylinder, the cable limiting cylinder is vertically arranged at the vacancy of the fixing frame, the contact part of the fixing frame and the outer wall of the cable limiting cylinder is provided with sealant, a buckle for preventing the cable limiting cylinder from falling is arranged between the cable limiting cylinder and the fixing frame, the cable limiting cylinder comprises a top pipe section 1, a straight pipe section 2 and an arc pipe section 3, wherein the top pipe section 1 and the straight pipe section 2 are both of cylindrical structures, the diameter of the top pipe section 1 is larger than that of the straight pipe section 2, one end of the top pipe section 1 is connected with one end of the straight pipe section 2, the arc pipe section 3 is in a divergent horn shape from the top end to the bottom end, the straight pipe section 2 is used for increasing the contact area when the straight pipe section is in friction collision with a power cable, and the other end of the straight pipe section 2 is connected with the top end of the arc pipe section 3.
For a wind turbine generator which is put into operation, a model of a cable limiting cylinder is designed in detail according to the model of the actual wind turbine generator to manufacture a mold, the cable limiting cylinder is made of PVC materials, the cable limiting cylinder is vertically cut in half from the center of the cylinder from top to bottom, the cut is polished and smoothed, and when the cut is recombined, the gap is less than or equal to 1 mm; the cable limiting cylinder is detached, the cut is required to be aligned when a new cable limiting cylinder is installed, the fixing frame clamps the cable limiting cylinder, the gap of the two splicing parts needs to be coated with sealant, the contact part of the fixing frame and the outer wall of the cable limiting cylinder needs to be coated with sealant, a buckle is arranged between the cable limiting cylinder and the fixing frame, the buckle plays a role in preventing falling, and the thickness of the cylinder wall of the cable limiting cylinder can be properly increased. And the design of the cable limiting cylinder is directly changed for the wind turbine generator which is not manufactured.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a wind turbine generator system power cable limit structure which characterized in that: comprises a cable limiting cylinder and a fixing frame; the cable limiting device comprises a fixing frame, a cable limiting cylinder and an arc pipe section, wherein the fixing frame is arranged inside a tower barrel of the wind turbine generator and is provided with a vacancy used for clamping the cable limiting cylinder, the cable limiting cylinder is vertically arranged at the vacancy of the fixing frame, the cable limiting cylinder comprises a top pipe section, a straight pipe section and the arc pipe section, one end of the top pipe section is connected with one end of the straight pipe section, the arc pipe section is in a divergent horn shape from the top end to the bottom end and is used for increasing the contact area when the arc pipe section is in friction collision with a power cable, and the other end of the straight pipe section is connected with the top end of the arc pipe section.
2. The wind turbine generator power cable limiting structure according to claim 1, characterized in that: the top pipe section and the straight pipe section are both of cylindrical structures, and the diameter of the top pipe section is larger than that of the straight pipe section.
3. The wind turbine generator power cable limiting structure according to claim 1, characterized in that: the cable limiting cylinder is a PVC cable limiting cylinder.
4. The wind turbine generator power cable limiting structure according to claim 1, characterized in that: and a sealant is arranged at the contact position of the fixing frame and the outer wall of the cable limiting cylinder.
5. The wind turbine generator power cable limiting structure according to claim 1, characterized in that: a buckle for preventing the cable limiting cylinder from falling is arranged between the cable limiting cylinder and the fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091551.XU CN217440219U (en) | 2022-05-09 | 2022-05-09 | Wind turbine generator system power cable limit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091551.XU CN217440219U (en) | 2022-05-09 | 2022-05-09 | Wind turbine generator system power cable limit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440219U true CN217440219U (en) | 2022-09-16 |
Family
ID=83220638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221091551.XU Active CN217440219U (en) | 2022-05-09 | 2022-05-09 | Wind turbine generator system power cable limit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440219U (en) |
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2022
- 2022-05-09 CN CN202221091551.XU patent/CN217440219U/en active Active
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