Cable tray and support device

Abstract

The utility model discloses a cable bridge and support device, the device is used to be connected with other cable bridges through the notches of left and right sides, passes through the notch in the middle through bolt, and the bolt can slide on the notch, and the bolt is fixed after the nut is tightened, and a plurality of small baffle are arranged in the main body structure, and the W shape is oriented, the main body is supported through the tray of support device, and the left and right sides of support device are spring damper, and the tray of the main body structure in the middle is fixed through screw connection, and the spring damper is fixed on the steel structure through bolt etc. The device can reduce the influence of vibration on the cable bridge, and at the same time, the cable is fixed, to avoid mutual entanglement and accumulation between the cables, increase the service life of the cable and the reliability of the power system, and because the internal baffles of the cable bridge are distributed in the W shape, it can be applied to cables of different sizes.

Description

Technical Field

[0001] This utility model relates to cable tray structures for marine engineering modules, and more particularly to a vibration-damping cable tray and support device. Background Technology

[0002] Offshore platforms operate in complex ocean environments, constantly subjected to wave impacts, wind loads, and vibrations from equipment operation. Traditional cable trays, lacking effective vibration damping designs, transmit vibrations directly to the cables due to their rigid connection structures, leading to accelerated insulation aging, loose joints, and cable tangling. More seriously, continuous mechanical vibration can induce metal fatigue, causing deformation or even breakage of the cable tray structure and supports. These problems not only affect the reliability of the power system but also pose potential safety hazards.

[0003] Existing cable tray vibration reduction measures mainly focus on structural vibration control, such as supports and dampers, but they are significantly insufficient in protecting the cables inside the cable tray. Under long-term micro-vibration environments (such as equipment operation, wind loads, or aftershocks of earthquakes), cables may experience high-frequency vibrations, causing continuous friction between the insulation layer and the inner wall of the cable tray or adjacent cables, accelerating insulation aging and even damage. Furthermore, cables are prone to displacement due to vibration at bends or suspension sections of the cable tray, exacerbating mechanical stress concentration and potentially leading to localized overheating or short-circuit risks in the long term. Current conventional vibration reduction solutions (such as rubber pads and spring supports) are insufficient to effectively suppress such micro-vibrations, necessitating the addition of cable fixing devices inside the cable tray to improve the long-term operational safety of the cables. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a cable tray and support device that can reduce the vibration of cable trays caused by factors such as wave impact, while increasing the service life of cables and the reliability of power systems.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] The present invention relates to a cable tray and a support device, comprising at least one cable tray, each cable tray being U-shaped, the web of each cable tray being supported on at least two trays spaced apart front to back, a groove being provided on the top surface of each tray, the bottom wall of the web of each cable tray being able to be embedded into the corresponding groove, and the inner wall of the groove cavity being in contact with the outer wall of the flange of the cable tray on the same side.

[0007] Each tray is fixedly connected to the lower end of a vertically arranged spring damper on both its left and right sides. A connection hole is provided at the top of the spring damper for fixing to the steel structure with bolts. A set of connection slots is opened on the front and rear sides of the flange plates on both sides of the cable tray, for connecting adjacent cable trays. Multiple sliding slots are opened on each flange plate between the two sets of connection slots. A bolt is connected between two opposite sliding slots on the left and right sides. The two ends of each bolt are fixedly connected to the corresponding flange plate at a designated position in the sliding slot using nuts. Multiple rows of baffles are spaced apart on the web plate of the cable tray.

[0008] Compared with the prior art, the advantages of this utility model are as follows: This utility model can reduce the impact of vibration on cable trays, increase the service life of cable trays, and at the same time fix the cables, avoiding the phenomenon of cables tangling and piling up, and the insulation layer continuously rubbing against the inner wall of the cable tray or adjacent cables, which accelerates insulation aging or even damage. This increases the service life of cables and the reliability of the power system. Furthermore, because the internal baffles of the cable tray are distributed in a W-shape, it can be used for cables of different sizes and specifications. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural diagram of a cable tray and support device according to the present invention;

[0010] Figure 2 for Figure 1 Left view of the main structure of the device shown;

[0011] Figure 3 for Figure 1 A top view of the main structure of the device shown;

[0012] Figure 4 for Figure 1 Front view of the cable tray support device in the illustrated apparatus. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0014] As shown in the attached drawings, the present invention provides a cable tray and support device, including at least one cable tray 1, each cable tray being U-shaped, the web of each cable tray being supported on at least two trays 6 spaced apart front to back, a groove being provided on the top surface of each tray, the bottom wall of the web of each cable tray being able to be embedded into the corresponding groove, and the inner wall of the groove cavity contacting the outer wall of the flange of the cable tray on the same side.

[0015] Each tray 6 is fixedly connected to the lower end of a vertically positioned spring damper 2 on both its left and right sides, as shown in the figure. The spring damper 2 can be fixed with screws 5. A connection hole is provided at the top of the spring damper 2, which is used to fix it to the steel structure with bolts, etc., to support the cable tray. A set of connecting slots 1-1 is opened on the front and rear sides of the flange plates on both the left and right sides of the cable tray. The connecting slots are used to connect adjacent cable trays on the left and right sides. Multiple sliding slots 1-2 are opened on each side of the flange plate between the front and rear sets of connecting slots.

[0016] In one embodiment of this utility model, the set of connecting slots may include three connecting slots, and the plurality of sliding slots may consist of two. A bolt 3 is connected between each of the two sliding slots arranged opposite to each other on the left and right sides. The two ends of each bolt are fixedly connected to the corresponding flange plate at a predetermined position within the sliding slot by a nut 4. The cable is fixed by sliding the bolt 3 up and down within the sliding slots 1-2, and the bolt 3 is tightened by tightening the nut 4 to secure it.

[0017] Multiple rows of baffles 1-3 are arranged at intervals on the web of the cable tray. As one embodiment of the present invention, each row of baffles consists of four baffles spaced apart on the left and right, and each row of baffles is set in a W shape to accommodate cables of different sizes and specifications. At least three rows are arranged on the web of each cable tray.

[0018] The working principle is as follows:

[0019] The web of the vibration-damping cable tray is placed above the tray 6. Spring dampers 2 are fixed to both sides of the tray 6 using screws 5. The cable can then pass through the space formed by the baffles 1-3. Next, bolts 3 are passed through sliding slots 1-2 and slid up and down over the slots until they are directly above the cable, applying pressure. The bolts 3 are then secured by tightening nuts 4, thus fixing the cable. Different cable trays are connected by bolts through connecting slots 1-1. The cable tray suspension is fixed to the steel structure through the connecting holes above the spring dampers 2, which serve to dampen vibrations and support the cable tray.

Claims

1. A cable tray and supporting device, comprising at least one cable tray, each cable tray being U-shaped, characterized in that: The web of each cable tray (1) is supported on at least two trays (5) spaced apart front and back. A groove is provided on the top surface of each tray (5). The bottom wall of the web of each cable tray can be embedded into the corresponding groove, and the inner wall of the groove cavity is in contact with the outer wall of the flange of the cable tray on the same side. Each tray (5) is fixedly connected to the lower end of a vertically arranged spring damper (2) on its left and right sides. A connection hole is provided at the top of the spring damper for fixing to the steel structure with bolts. A set of connection slots (1-1) are opened on the front and rear sides of the flange plates on the left and right sides of the cable tray. The connection slots are used to connect adjacent cable trays on the left and right. Multiple sliding slots (1-2) are opened on each side of the flange plate between the two sets of connection slots. A bolt (4) is connected between the two sliding slots (1-2) that are arranged opposite to each other on the left and right sides. The two ends of each bolt (4) are fixedly connected to the flange plate on the corresponding side by nuts (3) at the set position of the sliding slot (1-2). Multiple rows of baffles (1-3) are arranged at intervals on the web plate of the cable tray.

2. The cable tray and support device according to claim 1, characterized in that: Each row of baffles consists of four baffles spaced apart from each other on the left and right, and each row of baffles is configured in a W shape. At least three rows of baffles are arranged on the web of each cable tray.

3. A cable tray and support device according to claim 1 or 2, characterized in that: The set of connecting slots includes three connecting slots, and the plurality of sliding slots consists of two.

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