Cable bridge and cable mounting bracket

Abstract

The utility model relates to the field of wind power generation, in particular to a cable bridge and a cable mounting bracket. The cable bridge comprises a cable bridge assembly, the cable bridge assembly comprises a support body arranged in the direction of a fan tower drum and a blocking assembly fixed to the support body, the support body is provided with an avoiding end used for avoiding a fan tower drum flange, and the blocking assembly is arranged at the avoiding end. Therefore, the cable is prevented from being contacted with a fan tower flange. According to the utility model, the avoiding end used for avoiding the fan tower drum flange is arranged on the bracket main body, and the blocking assembly is arranged at the avoiding end, so that the cable and the fan tower drum flange are effectively isolated through the blocking assembly, and the cable is prevented from continuously approaching the fan tower drum flange; abrasion caused by direct contact or scraping between the cable sheath and the flange is prevented.

Description

Technical Field

[0001] This utility model relates to the field of wind power generation, specifically to cable trays and cable mounting brackets. Background Technology

[0002] In the field of wind power generation, the cable laying inside the wind turbine tower is crucial to ensuring power transmission and system reliability. Aluminum alloy cables are often used to replace traditional air-supported busbars due to their low cost and high reliability; however, certain problems still exist.

[0003] Because wind turbine towers are connected by flanges protruding into the tower, when aluminum alloy cables are used for laying, these protruding flanges are prone to direct contact or scratching with the cable sheath. This is especially true under the influence of wind turbine vibration, which increases the risk of friction. Long-term friction can easily damage the cable sheath, exposing the internal conductors. This not only shortens the cable's lifespan but may also lead to power transmission failures, thereby increasing maintenance costs and downtime.

[0004] Therefore, it is necessary to develop cable trays and cable mounting brackets to protect cables from damage. Utility Model Content

[0005] To address the problem mentioned above regarding the ease with which cables can be damaged by flange scratches in the prior art, the technical solution adopted by this utility model is as follows:

[0006] A cable tray, including a cable tray assembly, wherein the cable tray assembly includes a support body arranged along the direction of the wind turbine tower and a barrier component fixed to the support body, the support body having a clearance end for avoiding the wind turbine tower flange, and the barrier component being arranged at the clearance end to prevent the cable from contacting the wind turbine tower flange.

[0007] Furthermore, in the cable tray described in the solution, the support body includes at least two vertical support bars arranged along the direction of the wind turbine tower, and the barrier assembly includes a horizontal support bar connecting at least two of the vertical support bars.

[0008] Furthermore, in the cable tray described in the solution, at least two of the vertical supports are arranged in parallel, and multiple horizontal supports are provided, with the multiple horizontal supports arranged perpendicular to the vertical supports.

[0009] Furthermore, in the cable tray described in the solution, each of the two ends of the vertical support is provided with a connection end for external connection, and the avoidance end is provided between the two connection ends. The avoidance end protrudes in the direction of the cable to form an avoidance zone for avoiding the wind turbine tower flange.

[0010] Furthermore, in the cable tray described in the solution, the vertical support is also provided with a transition end for connecting the connecting end and the avoidance end. The transition end is inclined and is set at an angle α with the connecting end to form an operating area. The angle α is in the range of 10-20°.

[0011] Furthermore, in the cable tray described in the solution, a plurality of the crossbar supports are provided on the transition end and the avoidance end, and the interval S1 between two crossbar supports ranges from 80 to 150 mm.

[0012] Furthermore, in the cable tray described in the solution, the crossbar support is provided with an arc-shaped anti-scratch end on the side of the cable.

[0013] Furthermore, in the cable tray described in the solution, the cross-sections of the vertical and horizontal supports are both C-shaped, the vertical and horizontal supports are both made of steel, and the support body and the barrier components are connected by welding.

[0014] Furthermore, in the cable tray described in the solution, the surface of the crossbar support is provided with a flexible component, and the clearance end abuts against the wind turbine tower flange.

[0015] Furthermore, cable mounting brackets include cable trays and base brackets connected to the cable trays.

[0016] The beneficial effects of this utility model are as follows:

[0017] This utility model provides a clearance end on the main body of the support to avoid the wind turbine tower flange, and sets the blocking component at the clearance end. This effectively isolates the cable from the wind turbine tower flange through the blocking component, thereby preventing the cable from continuing to approach the wind turbine tower flange and preventing wear caused by direct contact or scratching between the cable sheath and the flange.

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the cable tray of this utility model.

[0020] Figure 2 This is an enlarged schematic diagram of part I of the cable tray of this utility model.

[0021] Figure 3 This is a schematic diagram of the cable tray of this utility model.

[0022] Figure 4 This is a schematic diagram of the cable mounting bracket of this utility model.

[0023] Figure 5This is an enlarged schematic diagram of part II of the cable mounting bracket of this utility model. Detailed Implementation

[0024] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0025] Example 1: As Figure 1-5 The cable tray shown includes a cable tray assembly 1, wherein the cable tray assembly 1 includes a support body 2 arranged along the direction of the wind turbine tower, and a barrier component 3 fixed on the support body 2. The support body 2 is provided with a clearance end 211 for avoiding the wind turbine tower flange, and the barrier component 3 is provided at the clearance end 211 to prevent the cable from contacting the wind turbine tower flange.

[0026] This utility model provides a clearance end 211 on the support body 2 to avoid the wind turbine tower flange, and sets the blocking component 3 on the clearance end 211. This effectively isolates the cable from the wind turbine tower flange through the blocking component 3, thereby preventing the cable from continuing to approach the wind turbine tower flange and preventing wear caused by direct contact or scratching between the cable sheath and the flange.

[0027] Furthermore, in current cable laying inside wind turbine towers, if cables are directly used instead of traditional air-supported busbars, the tower sections are connected by flanges that protrude inwards. Since the cables also need to be laid inside the tower, this arrangement causes the cables to come into contact with the flanges. When the cables sway due to wind or other external factors, they are prone to friction with the flanges, easily leading to surface damage. The barrier component 3 of this invention physically isolates the cables from the flanges, preventing contact and reducing the risk of cable sheath damage. Furthermore, this design prevents cable contact with the flanges even during wind turbine operation when vibrations cause cable swaying, ensuring cable integrity and guaranteeing the safety and stability of power transmission. Moreover, reducing the frequency of cable damage significantly reduces maintenance workload and costs. Finally, this design simplifies the cable laying process, improves construction efficiency, and reduces installation difficulty.

[0028] Example 2: Further, such as Figure 1-5 The cable tray shown includes a support body 2 comprising at least two vertical support brackets 21 arranged along the direction of the wind turbine tower, and a barrier component 3 comprising a horizontal support bracket 31 connecting at least two of the vertical support brackets 21.

[0029] This embodiment includes the features of Embodiment 1, the difference being that, by setting the support body 2 as at least two vertical supports 21 along the direction of the wind turbine tower, and connecting the vertical supports 21 with horizontal supports 31, the cable tray assembly 1 forms a stable and reliable polygonal support structure. This ensures that the vibration generated during wind turbine operation will not cause severe swaying of the cable tray assembly 1, thus providing a safe and reliable laying environment for the cable. Furthermore, this arrangement also enhances the overall strength and durability of the cable tray assembly 1, so that even under long-term heavy loads, the cable tray can still maintain its shape and function, thereby ensuring the safe transmission of the cable. Furthermore, in this embodiment, there are two vertical supports 21, while in other embodiments, there may be three or four vertical supports 21.

[0030] Example 3: Further, such as Figure 1-5 The cable tray shown has at least two vertical supports 21 arranged in parallel, and multiple horizontal supports 31 arranged perpendicular to the vertical supports 21.

[0031] This embodiment includes the features of Embodiment 2, the difference being that in this utility model, the vertical supports 21 are arranged in parallel. This arrangement enhances the overall stability and load-bearing capacity of the cable tray assembly 1, allowing the cable tray to maintain its original shape and function even under heavy loads, avoiding tilting or damage to the cable tray assembly 1 due to uneven loads. Furthermore, by setting multiple horizontal supports 31, not only is the robustness of the cable tray assembly 1 increased, but the effective range of cable and flange isolation is also increased, thereby further ensuring the isolation between the cable and flange. If only one horizontal support 31 is set, the horizontal support 31 may detach, causing the cable and flange to come into contact. Furthermore, the multiple horizontal supports 31 are arranged perpendicularly to the vertical supports 21, forming multiple rectangular support structures in the cable tray assembly 1, further enhancing the structural strength of the cable tray assembly 1. Furthermore, by setting multiple horizontal supports 31, the cable can be fixed to the horizontal supports 31, further reducing the risk of cable swaying.

[0032] Example 4: Further, such as Figure 1-5 The cable tray shown has a vertical support 21 with connection ends 212 at both ends for external connection. The avoidance end 211 is located between the connection ends 212 at both ends and protrudes in the direction of the cable to form an avoidance area 214 for avoiding the wind turbine tower flange.

[0033] This embodiment includes the features of Embodiment 3, the difference being that, by providing connection ends 212 at both ends of the vertical support 21 for external connection, this utility model allows operators to easily install and disassemble the cable tray assembly 1 when it is damaged, thereby simplifying the operation process and reducing construction difficulty; furthermore, by providing a clearance end 211 protruding towards the cable direction on the vertical support 21 to form a clearance area 214 for avoiding the wind turbine tower flange, this setting provides a fixed support position for the horizontal support 31, making the horizontal support 31 more stable in the process of isolating the cable and the flange.

[0034] Example 5: Further, such as Figure 1-5 The cable tray shown has a vertical support 21 with a transition end 213 for connecting the connecting end 212 and the clearance end 211. The transition end 213 is inclined and is set at an angle α with the connecting end 212 to form an operating area 215. The angle α is between 10° and 20°.

[0035] This embodiment includes the features of Embodiment 4, the difference being that, by providing a transition end 213 on the vertical support 21 for connecting the connecting end 212 and the avoidance end 211, and by setting the transition end 213 at an angle, the transition between the connecting end 212 and the avoidance end 211 is smoother, avoiding the risk of the cable being scratched by sharp edges due to the right angle setting between the connecting end 212 and the avoidance end 211, thereby ensuring the smoothness of the cable laying path and reducing the possibility of damage to the cable sheath; furthermore, by connecting the transition end 213 and the connecting end 212... The angle α is set between 10-20° to form an operating area 215 that communicates with the clearance area 214, providing sufficient space for operators to perform fastening or maintenance work on the tower flange. Furthermore, if the angle α is less than 10°, the operating area 215 cannot provide enough space for operators to operate, thereby increasing the difficulty of operation. If the angle α is greater than 20°, it will not only reduce the stability of the cable tray assembly 1, but also increase production costs. Furthermore, the angle α between the transition end 213 and the connection end 212 is 12°.

[0036] Example 6: Further, such as Figure 1-5 The cable tray shown has multiple crossbar supports 31 disposed on the transition end 213 and the clearance end 211, and the interval S1 between two crossbar supports 31 is in the range of 80-150mm.

[0037] This embodiment includes the features of Embodiment 5, the difference being that, by setting multiple crossbar supports 31 on the transition end 213 and the avoidance end 211, this utility model effectively improves the stability and safety of cable laying, further ensuring effective isolation between the cable and the flange; furthermore, by setting the interval S1 between two crossbar supports 31 between 80-150mm, it ensures that the cable can be adequately supported and isolated, without wasting materials or adding unnecessary weight due to too small an interval, thereby helping to improve the overall performance of the cable tray assembly 1 and ensuring the safe transmission of the cable; furthermore, if the interval S1 is less than 80mm, it will increase material costs and increase the weight burden of the cable tray assembly 1, leading to a decrease in durability, while if the interval S1 is greater than 150mm, it will result in an excessively large interval, and when the cable swings violently, the cable may come into contact with the flange through the interval S1, increasing the risk of cable damage; furthermore, in this embodiment, the interval S1 between the crossbar supports 31 is 95mm.

[0038] Example 7: Further, such as Figure 1-5 The cable tray shown has a crossbar support 31 with an arc-shaped anti-scratch end 311 on the cable side.

[0039] This embodiment includes the features of Embodiment Six, the difference being that the present invention provides an arc-shaped anti-scratch end 311 on the side of the cable on the crossbar support 31. This setting is mainly to avoid the risk of the cable sheath being scratched by the crossbar support 31 when the cable comes into contact with it. Especially during cable laying and under vibration conditions that may occur during wind turbine operation, the arc-shaped anti-scratch end 311 can effectively alleviate the direct contact between the cable and the cable tray, reduce the risk of cable sheath damage, and thus ensure the safety and stability of power transmission.

[0040] Example 8: Further, such as Figure 1-5 The cable tray shown has C-shaped cross-sections for both the vertical support 21 and the horizontal support 31. Both the vertical support 21 and the horizontal support 31 are made of steel and are connected by welding.

[0041] This embodiment includes the features of Embodiment Seven, the difference being that both the vertical support 21 and the horizontal support 31 in this utility model are made of steel, specifically C-shaped steel. This design not only gives the cable tray assembly 1 high structural strength and stability, ensuring excellent durability and corrosion resistance, but also effectively supports the weight of the cables without easily deforming. Furthermore, the use of steel extends its service life. Furthermore, the vertical support 21 and the horizontal support 31 are connected by welding, further enhancing the stability of the cable tray assembly 1 and enabling it to withstand greater external forces. Furthermore, this design also ensures a firm connection between the support body 2 and the barrier component 3, reducing the risk of loosening or separation due to vibration or other external forces.

[0042] Example 9: Further, such as Figure 1-5 The cable tray shown has a flexible component on the surface of the crossbar support 31, and the clearance end 211 abuts against the wind turbine tower flange.

[0043] This embodiment includes the features of Embodiment 8, the difference being that, by providing a flexible component on the surface of the crossbar support 31, this utility model provides an additional protective layer for the cable, reducing wear caused by direct contact between the cable and the rigid crossbar support 31, and preventing damage to the cable due to long-term vibration and friction with the crossbar support 31; furthermore, the flexible component in this utility model can be made of elastic materials such as rubber and polyurethane, which can not only absorb vibration but also protect the cable sheath; furthermore, by setting the avoidance end 211 to abut against the wind turbine tower flange, not only can the cable tray assembly 1 be close to the flange, ensuring the stability and safety of the cable laying path, but also avoiding the problem of the cable tray assembly 1 moving or shifting due to wind turbine operation vibration. This setting, while ensuring cable safety, also increases the stability of the cable tray assembly 1 and reduces potential risks caused by position changes; furthermore, this setting can also effectively optimize space utilization efficiency, allowing the cable to be arranged more compactly and orderly in the limited internal environment of the wind turbine tower, improving the rationality of the overall layout.

[0044] Example 10: This example includes the features of Examples 1 to 9, except that in this example, the angle α between the transition end 213 and the connecting end 212 is 10°, and the interval S1 between the horizontal support 31 is 80mm.

[0045] Example 11: This example includes the features of Examples 1 to 9, except that in this example, the angle α between the transition end 213 and the connecting end 212 is 20°, and the interval S1 between the horizontal support 31 is 150mm.

[0046] Example 12: Further, as Figure 1-5 The cable mounting bracket shown includes a cable tray and a base bracket 4 connected to the cable tray.

[0047] This embodiment includes the features of embodiments one through eleven. Furthermore, this invention applies the cable tray assembly 1 to the cable mounting bracket, which not only allows the cable to be safely laid inside the wind turbine tower, reducing direct contact with tower flanges and other components, thus lowering the risk of cable damage, but also facilitates the replacement and maintenance of flange fasteners by operators. Further, this invention also includes a base bracket 4 connected to the cable tray assembly 1. This design allows the cable tray assembly 1 to be more securely fixed to the inner wall of the wind turbine tower, improving the stability and reliability of the entire installation structure. Furthermore, by setting the base bracket 4, it is also convenient for operators to replace the cable tray assembly 1; operators only need to disassemble the cable tray assembly 1 that needs to be replaced or repaired, without having to disassemble the entire cable mounting bracket. Furthermore, the cable tray assembly 1 and the base bracket 4 are fixedly connected by threaded parts. This design not only ensures a firm connection between the cable tray assembly 1 and the base bracket 4, but also simplifies the installation process and facilitates subsequent maintenance and management.

[0048] The above examples are merely illustrative of the technical content of this utility model to facilitate reader understanding, but do not imply that the implementation of this utility model is limited to these embodiments. Any technical extensions or re-creations made based on this utility model are protected by this utility model. The scope of protection of this utility model is defined by the claims.

Claims

1. Cable tray, comprising a cable tray assembly (1), characterized in that: The cable tray assembly (1) includes a support body (2) arranged along the direction of the wind turbine tower and a barrier assembly (3) fixed on the support body (2). The support body (2) is provided with a clearance end (211) for avoiding the wind turbine tower flange. The barrier assembly (3) is arranged at the clearance end (211) to avoid contact between the cable and the wind turbine tower flange.

2. The cable tray of claim 1, wherein: The main body of the support (2) includes at least two vertical support bars (21) arranged along the direction of the wind turbine tower, and the barrier component (3) includes a horizontal support bar (31) connecting at least two of the vertical support bars (21).

3. The cable tray of claim 2, wherein: At least two of the vertical supports (21) are arranged in parallel, and there are multiple horizontal supports (31), with the multiple horizontal supports (31) arranged perpendicular to the vertical supports (21).

4. The cable tray of claim 2, wherein: The vertical support (21) has connection ends (212) at both ends for external connection. The avoidance end (211) is located between the connection ends (212) at both ends. The avoidance end (211) protrudes in the direction of the cable to form an avoidance area (214) for avoiding the wind turbine tower flange.

5. The cable tray of claim 4, wherein: The vertical support (21) is also provided with a transition end (213) for connecting the connecting end (212) and the avoidance end (211). The transition end (213) is inclined and the transition end (213) is set at an angle α with the connecting end (212) to form an operating area (215). The angle α is in the range of 10-20°.

6. The cable tray of claim 5, wherein: Multiple horizontal support brackets (31) are provided on the transition end (213) and the avoidance end (211), and the interval distance S1 between two horizontal support brackets (31) is in the range of 80-150mm.

7. The cable tray of claim 2, wherein: The crossbar bracket (31) has an arc-shaped anti-scratch end (311) on one side of the cable.

8. The cable tray of claim 2, wherein: The vertical support (21) and the horizontal support (31) are both C-shaped in cross section. The vertical support (21) and the horizontal support (31) are both made of steel. The vertical support (21) and the horizontal support (31) are connected by welding.

9. The cable tray according to claim 2, characterized in that: The surface of the horizontal support (31) is provided with a flexible component, and the clearance end (211) abuts against the wind turbine tower flange.

10. A cable mounting bracket characterised by: Includes the cable tray according to any one of claims 1-9, and the base support (4) connected to the cable tray.

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