A telescopic cable bridge

By designing a telescopic cable tray with sliding extension sections and fixing components, the problem of fixed crossbar length in ladder-type cable trays is solved, enabling flexibility in installation in narrow areas and adjustment of cable quantity.

CN224342862UActive Publication Date: 2026-06-09NINGBO JINXUAN CONSTR TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO JINXUAN CONSTR TECH CO LTD
Filing Date
2025-07-25
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing ladder-type cable trays generally have a fixed connection between the crossbars and the side plates, resulting in a fixed length of the crossbars. This makes it difficult to adapt to installation in narrow areas and inconvenient to install when the number of cables is increased.

Method used

A telescopic cable tray was designed, which uses a sliding extension section and a fixing component on the crossbar, and is fixed by the first fixing hole and the second fixing hole. The overall length of the crossbar can be adjusted to adapt to different environments.

Benefits of technology

The crossbar length is adjustable, making it easy to install in narrow areas, and the side plate spacing can be adjusted according to the number of cables required, adapting to various usage environments.

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Abstract

This utility model discloses a telescopic cable tray, relating to the field of cable trays. The telescopic cable tray includes multiple crossbars and side plates disposed at both ends of the crossbars. Each crossbar includes a middle section, an extension section, and a fixing component. The middle section has through-holes at both ends of a first fixing hole. The extension section is slidably fitted onto the outside of the middle section and has multiple through-holes in the second fixing hole. The fixing component is disposed on the inner side of the end of the middle section. During use, the extension section slides onto the outside of the middle section, and the fixing component can fix the positions of the middle section and the extension section through the first and second fixing holes. This allows adjustment of the overall length of the crossbars, facilitating adjustment of the spacing between the side plates to adapt to different usage environments.
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Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, specifically a telescopic cable tray. Background Technology

[0002] Ladder-type cable trays are a type of cable laying equipment widely used in power, communication, construction and other fields. Their structure is carefully designed to combine load-bearing capacity, heat dissipation performance and wiring flexibility.

[0003] Since cables are generally laid for a long time, ladder-type cable trays are usually assembled from multiple trays during installation to adapt to the actual situation. However, the crossbars and side plates of existing ladder-type cable trays are generally fixedly connected, so the length of the crossbars is fixed. This makes it inconvenient to install in narrow areas, and it is also inconvenient to install if the number of cables needs to be increased. Therefore, this application proposes a ladder-type cable tray with telescopic crossbars. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a telescopic cable tray, which solves the problem that the crossbars and side plates of existing ladder-type cable trays are generally fixedly connected, resulting in a fixed length of the crossbars. This makes installation inconvenient in narrow areas and also inconvenient if the number of cables needs to be increased.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a telescopic cable tray, comprising multiple crossbars and side plates disposed at both ends of the crossbars, wherein the crossbars include:

[0006] The middle section has through-holes at both ends;

[0007] The extension section is slidably sleeved on the outside of the middle section, and the extension section has multiple through second fixing holes.

[0008] A fixing component is disposed on the inner side of the end of the intermediate section, and the fixing component can fix the position of the intermediate section and the extension section through the first fixing hole and the second fixing hole.

[0009] Preferably, the fixing component includes:

[0010] A fixing seat is embedded in the inner side of the middle section end;

[0011] The limiting strip has one end slidably disposed inside the fixed base, and the other end of the limiting strip is inserted between the first fixed hole and the second fixed hole.

[0012] Preferably, the fixed base has an internal receiving groove, and a rotating shaft is rotatably mounted inside the receiving groove. An adjusting rope is installed between the outer side of the rotating shaft and the limiting strip.

[0013] Preferably, a return spring is fixedly connected between the end of the limiting strip and the inner wall of the fixing seat, and the return spring is located outside the adjusting rope.

[0014] Preferably, the bottom end of the rotating shaft extends downward through the fixed base and is fixedly connected to a rotating block.

[0015] Preferably, the outer side of the rotating block is provided with a plurality of limiting holes, and the plurality of limiting holes are arranged in a circumferential array on the outer side of the rotating block.

[0016] Preferably, a fixing block is fixedly connected to the bottom of the fixing base, and a threaded pin is inserted between the fixing block and the limiting hole.

[0017] This utility model discloses a telescopic cable tray, which has the following beneficial effects:

[0018] In use, the extension section of this telescopic cable tray slides and is fitted onto the outside of the middle section. At the same time, the fixing components can fix the positions of the middle section and the extension section through the first fixing hole and the second fixing hole, thereby adjusting the overall length of the crossbar and facilitating the adjustment of the spacing between the side plates on both sides to adapt to different usage environments. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the crossbar of this utility model;

[0022] Figure 3 This is a structural schematic diagram of the intermediate section and fixing components of this utility model;

[0023] Figure 4 This is a structural cross-sectional view of the connection between the middle section, the extension section, and the fixing component of this utility model.

[0024] In the diagram: 1. Crossbar; 11. Middle section; 111. First fixing hole; 12. Extension section; 121. Second fixing hole; 13. Fixing assembly; 131. Fixing base; 132. Limiting strip; 133. Receiving groove; 134. Rotating shaft; 135. Adjusting rope; 136. Return spring; 137. Rotating block; 138. Limiting hole; 139. Fixing block; 2. Side plate. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] This application provides a telescopic cable tray, which solves the problem that the crossbars and side plates of existing ladder-type cable trays are generally fixedly connected, resulting in a fixed length of the crossbars. This makes installation in narrow areas inconvenient, and also inconvenient when increasing the number of cables. In use, the extension section 12 is slidably sleeved on the outside of the middle section 11. At the same time, the fixing component 13 can fix the position of the middle section 11 and the extension section 12 through the first fixing hole 111 and the second fixing hole 121, thereby adjusting the overall length of the crossbar 1 and facilitating the adjustment of the spacing between the side plates 2 on both sides to adapt to different usage environments.

[0027] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0028] This utility model discloses a telescopic cable tray.

[0029] According to the appendix Figure 1-4 As shown, it includes multiple crossbars 1 and side plates 2 disposed at both ends of the multiple crossbars 1. The crossbars 1 include:

[0030] The middle section 11 has through first fixing holes 111 at both ends;

[0031] The extension section 12 is slidably sleeved on the outside of the middle section 11, and the extension section 12 is provided with a plurality of through second fixing holes 121.

[0032] The fixing component 13 is disposed on the inner side of the end of the intermediate section 11, and the fixing component 13 can fix the position of the intermediate section 11 and the extension section 12 through the first fixing hole 111 and the second fixing hole 121.

[0033] During use, the extension section 12 is slidably sleeved on the outside of the middle section 11. At the same time, the fixing component 13 can fix the position of the middle section 11 and the extension section 12 through the first fixing hole 111 and the second fixing hole 121, thereby adjusting the overall length of the crossbar 1 and facilitating the adjustment of the spacing between the side plates 2 on both sides to adapt to different usage environments.

[0034] Specifically disclosed, the fixed component 13 includes:

[0035] The fixing seat 131 is embedded in the inner side of the end of the intermediate section 11;

[0036] The limiting strip 132 has one end slidably disposed inside the fixing base 131, and the other end of the limiting strip 132 is inserted between the first fixing hole 111 and the second fixing hole 121.

[0037] Furthermore, the fixed base 131 has an internal receiving groove 133, and a rotating shaft 134 is rotatably installed inside the receiving groove 133. An adjusting rope 135 is installed between the outer side of the rotating shaft 134 and the limiting strip 132.

[0038] Furthermore, a return spring 136 is fixedly connected between the end of the limiting strip 132 and the inner wall of the fixing seat 131, and the return spring 136 is located outside the adjusting rope 135.

[0039] Furthermore, the bottom end of the rotating shaft 134 extends downward through the fixed base 131 and is fixedly connected to the rotating block 137.

[0040] Furthermore, multiple limiting holes 138 are provided on the outer side of the rotating block 137, and the multiple limiting holes 138 are arranged in a circumferential array on the outer side of the rotating block 137.

[0041] Furthermore, a fixing block 139 is fixedly connected to the bottom of the fixing base 131, and a threaded pin is inserted between the fixing block 139 and the limiting hole 138.

[0042] During use, the extension section 12 is slidably sleeved on the outside of the middle section 11. At the same time, the fixing component 13 can fix the position of the middle section 11 and the extension section 12 through the first fixing hole 111 and the second fixing hole 121, thereby adjusting the overall length of the crossbar 1 and facilitating the adjustment of the spacing between the side plates 2 on both sides to adapt to different usage environments.

[0043] Under normal circumstances, under the action of the return spring 136, the limit bar 132 is pushed into the overlapping area of ​​the first fixing hole 111 of the middle section 11 and the second fixing hole 121 of the extension section 12, forming a mechanical interlock.

[0044] When the length of the crossbar 1 needs to be adjusted, pull out the threaded pin on the fixing block 139 to release the lock on the rotating block 137. Use an Allen wrench to rotate the rotating block 137, and wind the adjusting rope 135 through the rotating shaft 134 to pull the limiting strip 132 out of the second fixing hole 121. At this time, insert the threaded pin into the corresponding limiting hole 138 to fix the position of the rotating block 137. Then adjust multiple crossbars 1 in sequence, and then slide the extension section 12 along the axial direction to the target position. Rotate the rotating block 137 in the opposite direction, and the return spring 136 pushes the limiting strip 132 into the new hole. Insert the threaded pin into the corresponding limiting hole 138 again to complete the mechanical locking and ensure the stability of the structure.

[0045] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A telescopic cable tray, comprising a plurality of crossbars (1) and side plates (2) disposed at both ends of the plurality of crossbars (1), characterized in that, The crossbar (1) includes: The middle section (11) has through first fixing holes (111) at both ends; The extension section (12) is slidably sleeved on the outside of the middle section (11), and the extension section (12) is provided with multiple through second fixing holes (121). A fixing component (13) is provided on the inner side of the end of the intermediate section (11), and the fixing component (13) can fix the position of the intermediate section (11) and the extension section (12) through the first fixing hole (111) and the second fixing hole (121).

2. A telescopic cable tray according to claim 1, characterized in that, The fixing component (13) includes: A fixing seat (131) is embedded in the inner side of the end of the middle section (11); The limiting strip (132) has one end slidably disposed inside the fixing base (131), and the other end of the limiting strip (132) is inserted between the first fixing hole (111) and the second fixing hole (121).

3. A telescopic cable tray according to claim 2, characterized in that, The fixed base (131) has an internal receiving groove (133), and a rotating shaft (134) is rotatably installed inside the receiving groove (133). An adjusting rope (135) is installed between the outer side of the rotating shaft (134) and the limiting strip (132).

4. A telescopic cable tray according to claim 3, characterized in that, A return spring (136) is fixedly connected between the end of the limiting strip (132) and the inner wall of the fixing seat (131), and the return spring (136) is located outside the adjusting rope (135).

5. A telescopic cable tray according to claim 3, characterized in that, The bottom end of the rotating shaft (134) extends downward through the fixed seat (131) and is fixedly connected to the rotating block (137).

6. A telescopic cable tray according to claim 5, characterized in that, The rotating block (137) has multiple limiting holes (138) on its outer side, and the multiple limiting holes (138) are arranged in a circular array on the outer side of the rotating block (137).

7. A telescopic cable tray according to claim 6, characterized in that, The bottom of the fixed base (131) is fixedly connected to a fixed block (139), and a threaded pin is inserted between the fixed block (139) and the limiting hole (138).