A wear-resistant transition structure at the corner of a cable tray

Abstract

This utility model relates to the technical field of anti-wear transition structures, and discloses an anti-wear transition structure for cable tray corners, including a corner cable tray. An evenly distributed pressure-sharing and fixed anti-wear mechanism is fitted onto the outside of the corner cable tray, and a limiting mechanism for limiting cable movement is provided on the inner side of the evenly distributed pressure-sharing and fixed anti-wear mechanism. This anti-wear transition structure for cable tray corners, through the use of multiple rotating guide rollers, allows the cable to be smoothly transitioned during corner traction, resulting in a smoother rotation angle. Simultaneously, by utilizing corner blocks fitted onto the outer corner of the inner corner of the corner cable tray and corner frames fitted onto the outer corner of the corner cable tray, and through the tightening effect of the screw, the load-bearing capacity is evenly distributed across the corner cable tray while ensuring uniform stress distribution, preventing excessive load on one side and effectively avoiding localized deformation and bending of the cable tray.

Description

Technical Field

[0001] This utility model relates to the technical field of anti-wear transition structure, specifically an anti-wear transition structure at the corner of a cable tray. Background Technology

[0002] At the corners of a cable tray system, the core objective of the abrasion-resistant transition structure is to protect cables (including their sheaths and internal conductors) from damage caused by cutting, excessive bending, friction, or compression when passing through the corner. This can be a structural design of the cable tray itself, such as a large-radius inner arc, or an additional assembled protective device, such as a plastic pad or guide roller.

[0003] In existing technologies, the most commonly used method for pulling cables inside cable trays with 90-degree bends is the guide roller. The guide roller is installed on the inside of the cable tray corner. By rotating the screw inside the guide roller bracket, the screw drives the clamping plate to move. The clamping plate cooperates with the bracket to clamp the outside of the cable tray, thus completing the installation of the guide roller. The rolling friction surface guides the cable to turn, which can greatly reduce resistance when laying or pulling cables (especially thicker, heavier, or easily damaged cables) through corners and prevent the cable sheath from being scratched, roughened, or even torn. However, in actual use, cable trays are usually made of thin stainless steel, and screw-clamped guide rollers are usually clamped on one side. The clamping plate is usually a small rectangle or strip. After tightening the clamping plate, it will not only cause local stress concentration and local deformation of the cable tray, but also cause the cable tray to bend and deform due to the single-sided load. Therefore, it is necessary to improve the wear-resistant transition structure at the corner of the cable tray to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a wear-resistant transition structure at the corner of a cable tray to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wear-resistant transition structure at the corner of a cable tray, including a corner cable tray, wherein the outside of the corner cable tray is fitted with a balanced fixing wear-resistant mechanism that evenly distributes pressure, and the inside of the balanced fixing wear-resistant mechanism is provided with a limiting mechanism for limiting the cable.

[0006] Preferably, the balanced fixing anti-wear mechanism includes a corner block, which is fitted onto the outer side of the inner corner of the corner bridge. A connecting fan plate one and a connecting fan plate two are fixedly installed on the back of the corner block. A guide roller is rotatably installed inside both the connecting fan plate one and the connecting fan plate two. A rotation limiting plate is fixedly installed on the top of the connecting fan plate two. A turning screw is rotatably installed inside the rotation limiting plate. A threaded moving block is threaded onto the outer thread of the turning screw. A corner frame is fixedly installed at the bottom of the threaded moving block.

[0007] Preferably, the corner frame is disposed on the back of the corner block, and the corner frame is fitted over the outer corner of the corner bridge.

[0008] Preferably, there are seven guide rollers, and the seven guide rollers are evenly and symmetrically distributed on the inner side of the connecting fan plate one and the connecting fan plate two.

[0009] Preferably, the top and bottom of the guide roller are provided with a rotating shaft, and the rotating shafts provided at the top and bottom of the guide roller are rotatably installed inside the holes opened inside the connecting fan plate one and the connecting fan plate two.

[0010] Preferably, the limiting mechanism includes a torsion spring seat, which is fixedly installed on the top of the connecting fan plate two, and a baffle one is rotatably installed on the outside of the torsion spring seat, and a baffle two is fixedly installed on the back of the connecting fan plate one.

[0011] Compared with the prior art, this utility model provides a wear-resistant transition structure at the corner of a cable tray, which has the following advantages:

[0012] 1. The anti-wear transition structure at the corner of this cable tray, through the setting of a balanced and fixed anti-wear mechanism, allows the cable to be smoothly transitioned when traction is applied at the corner during use, with a smoother rotation angle. At the same time, the corner blocks fitted on the outer side of the inner corner of the corner cable tray and the corner frames fitted on the outer corner of the corner cable tray, through the transmission of the screw, can ensure that the stress distribution is uniform and the load-bearing capacity is evenly distributed on the corner cable tray, preventing the situation of large load on one side and effectively avoiding local deformation and bending deformation of the cable tray.

[0013] 2. The anti-wear transition structure at the corner of the cable tray, through the setting of the limiting mechanism, limits the cable during use by the baffle one and baffle two, so that the cable will not come off. At the same time, the flipping baffle one can detach the cable from the inside of baffle one and baffle two when disassembling the equalizing and fixing anti-wear mechanism, thus realizing the function of limiting the cable laying and pulling. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure between the balanced fixing and anti-wear mechanism and the limiting mechanism of this utility model;

[0017] Figure 3 This is a schematic diagram of the external structure of the balanced fixing and anti-wear mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the external structure of the limiting mechanism of this utility model.

[0019] In the diagram: 1. Corner bridge; 2. Balanced anti-wear mechanism; 21. Corner block assembly; 22. Connecting fan plate one; 23. Connecting fan plate two; 24. Guide roller; 25. Rotation limit plate; 26. Tightening screw; 27. Threaded moving block; 28. Corner frame assembly; 3. Limiting mechanism; 31. Torsion spring seat; 32. Baffle one; 33. Baffle two. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] Example:

[0023] Please see Figure 1-3 This utility model provides a technical solution: a wear-resistant transition structure at the corner of a cable tray, including a corner cable tray 1, an equalizing and fixing wear-resistant mechanism 2 that evenly distributes pressure on the outside of the corner cable tray 1, and a limiting mechanism 3 for limiting the cable on the inside of the equalizing and fixing wear-resistant mechanism 2.

[0024] Furthermore, the balanced fixing anti-wear mechanism 2 includes a corner block 21, which is fitted onto the outer side of the inner corner of the corner bridge 1. A connecting fan plate 1 22 and a connecting fan plate 23 are fixedly installed on the back of the corner block 21. Guide rollers 24 are rotatably installed inside both the connecting fan plate 1 22 and the connecting fan plate 23. A rotation limit plate 25 is fixedly installed on the top of the connecting fan plate 23. A turning screw 26 is rotatably installed inside the rotation limit plate 25. A threaded moving block 27 is installed on the external thread of the turning screw 26. A corner frame 28 is fixedly installed at the bottom of the threaded moving block 27. Through the balanced fixing anti-wear mechanism 2, the guide rollers 24 can be installed at the corner of the corner bridge 1, thereby protecting the traction cable and preventing it from wearing. At the same time, by fitting the corner block 21 at the inner corner and the corner frame 28 at the outer corner, the stress distribution can be ensured to be uniform, and the load-bearing capacity can be evenly distributed.

[0025] Furthermore, the corner frame 28 is set on the back of the corner block 21, and the corner frame 28 is fitted on the outer corner of the corner bridge 1. By fitting the corner frame 28 on the outer corner, the pressure of fitting the corner block 21 on the inner corner can be reduced.

[0026] Furthermore, there are seven guide rollers 24, which are evenly and symmetrically distributed on the inner side of the connecting fan plate 1 22 and the connecting fan plate 23. The evenly and symmetrically distributed guide rollers 24 enable the cable to stably transition to another orientation when it is pulled.

[0027] Furthermore, the top and bottom of the guide roller 24 are provided with rotating shafts, and the rotating shafts provided at the top and bottom of the guide roller 24 are rotatably installed inside the holes opened inside the connecting fan plate 1 22 and the connecting fan plate 23. The shafts are limited by the holes, so that the guide roller 24 can rotate stably inside the connecting fan plate 1 22 and the connecting fan plate 23, ensuring that the guide roller 24 will rotate with the traction of the cable.

[0028] Please see Figure 4 Furthermore, the limiting mechanism 3 includes a torsion spring seat 31, which is fixedly installed on the top of the connecting fan plate 23. A baffle 32 is rotatably installed on the outside of the torsion spring seat 31, and a baffle 33 is fixedly installed on the back of the connecting fan plate 22. Through the limiting mechanism 3, the cable can be limited to prevent it from detaching from the guide roller 24. At the same time, the baffle 32 connected to the torsion spring seat 31 can detach the cable from the inside of the baffle 32 and the baffle 33 at any time.

[0029] In actual operation, when this device is used, first, the corner block 21 is fitted onto the outside of the inner corner of the corner cable tray 1, so that the connecting fan plate 1 22 and the connecting fan plate 23 are locked at the corner inside the corner of the corner cable tray 1. At this time, the threaded moving block 27 on the top of the corner frame 28 is fitted onto the outside of the screw 26. Rotate the screw 26 to make the corner frame 28 move closer to the outer corner of the corner block 21 until it is fitted onto the outer corner and close to the outside of the corner cable tray 1. At this time, the cable is passed through the inside of the baffle 1 32 and the baffle 2 33, and the cable laying and pulling can begin. After the pulling is completed, rotate the screw 26 to separate the corner block 21 from the corner frame 28. At the same time, rotate the baffle 1 32 forcefully to take the cable out from the inside of the baffle 1 32 and the baffle 2 33.

[0030] It should be noted that the force of the torsion spring in the structure of the torsion spring seat 31 is much greater than the force generated when the cable touches the baffle 32 when the cable is being dragged. Therefore, the cable will not detach from the baffle 32 when being pulled.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A wear-resistant transition structure at a corner of a cable tray, comprising a corner tray (1), characterized in that: The corner cable tray (1) is fitted with a balanced fixing anti-wear mechanism (2) that evenly distributes the pressure, and a limiting mechanism (3) for limiting the cable is provided on the inner side of the balanced fixing anti-wear mechanism (2).

2. The anti-wear transition structure at the corner of a cable tray according to claim 1, characterized in that: The balanced fixed anti-wear mechanism (2) includes a corner block (21). The corner block (21) is fitted on the outside of the inner corner of the corner bridge (1). A connecting fan plate one (22) and a connecting fan plate two (23) are fixedly installed on the back of the corner block (21). A guide roller (24) is rotatably installed inside both the connecting fan plate one (22) and the connecting fan plate two (23). A rotation limit plate (25) is fixedly installed on the top of the connecting fan plate two (23). A screw (26) is rotatably installed inside the rotation limit plate (25). A threaded moving block (27) is installed on the external thread of the screw (26). A corner frame (28) is fixedly installed at the bottom of the threaded moving block (27).

3. A wear-resistant transition structure at the corner of a cable tray according to claim 2, characterized in that: The corner frame (28) is set on the back of the corner block (21), and the corner frame (28) is fitted on the outside of the outer corner of the corner bridge (1).

4. A wear-resistant transition structure at the corner of a cable tray according to claim 2, characterized in that: There are seven guide rollers (24), and the seven guide rollers (24) are evenly and symmetrically distributed on the inner side of the connecting fan plate one (22) and the connecting fan plate two (23).

5. A wear-resistant transition structure at the corner of a cable tray according to claim 2, characterized in that: The top and bottom of the guide roller (24) are provided with rotating shafts, and the rotating shafts provided at the top and bottom of the guide roller (24) are rotatably installed inside the holes opened in the connecting fan plate one (22) and the connecting fan plate two (23).

6. A wear-resistant transition structure at the corner of a cable tray according to claim 1, characterized in that: The limiting mechanism (3) includes a torsion spring seat (31), which is fixedly installed on the top of the connecting fan plate 2 (23). A baffle 1 (32) is rotatably installed on the outside of the torsion spring seat (31), and a baffle 2 (33) is fixedly installed on the back of the connecting fan plate 1 (22).

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