Step type straight-through cable bridge with riveting structure

Abstract

The utility model belongs to the technical field of cable bridges, and particularly relates to a stepped straight-through cable bridge with a riveted structure, which comprises a bridge body, a prefabricated hole arranged at the bottom of the transverse end of the bridge body, a rivet sleeved on the surface of the prefabricated hole, a first cross beam riveted at the top of the rivet, and a second cross beam abutted against the top of the inner wall of the bridge body. The top of the first cross beam is connected with a bottom plate, one end of the side wall of the bottom plate is rotatably connected with a rotating shaft, the side wall of the rotating shaft is rotatably connected with a limiting ring, the other side of the limiting ring abuts against the bottom plate, the side wall of the bottom plate is transversely connected with a threaded rod in a penetrating mode, the surface of the threaded rod is in threaded connection with the bottom plate, and the inner wall of the bridge body abuts against the second cross beam. The prefabricated holes formed in the bridge body are matched with the rivets, so that stable connection of the bridge body and the two cross beam connecting pieces is convenient to fix, and the situation that the bridge body and the two cross beam connecting pieces on the bridge body loosen, and the stability of a cable fixed to the bridge body is affected is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of cable tray technology, specifically relating to a ladder-type straight-through cable tray with a riveting structure. Background Technology

[0002] Ladder-type cable trays, also known as ladder-type cable trays, consist of straight sections, bends, components, and supports (arm-type brackets), hangers, etc., and have a rigid structural system that closely supports cables. The "a ladder-type cable tray straight section" disclosed in application number "CN201320507927.5" is also an increasingly mature technology. It uses cable trays to fix the cable to the section where the cable needs to be laid, and then uses the crossbeams connected to them to support and fix the cable.

[0003] However, the device still has the following drawbacks: When the above-mentioned equipment is in use, the existing ladder-type straight cable tray and its crossbeam are generally fixed by bolts and nuts. After long-term use or when subjected to vibration, the connection is prone to loosening, which in turn affects the stability of the ladder-type straight cable tray in fixing the cable position. Utility Model Content

[0004] The purpose of this utility model is to provide a ladder-type straight-through cable tray with a riveting structure, which aims to solve the problem that in the prior art, when the above-mentioned equipment is used, the existing ladder-type straight-through cable tray and its crossbeam are generally fixed by bolts and nuts. During long-term use or when subjected to vibration, the connection is prone to loosening, which affects the stability of the ladder-type straight-through cable tray in fixing the cable position.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a ladder-type straight-through cable tray with a riveting structure, comprising: a cable tray body, a pre-drilled hole at the bottom of the transverse end of the cable tray body, a rivet sleeved on the surface of the pre-drilled hole, a first crossbeam riveted to the top of the rivet, the bottom of the first crossbeam abutting against the top of the inner wall of the cable tray body, a base plate connected to the top of the first crossbeam, a rotating shaft rotatably connected to one end of the side wall of the base plate, a limiting ring rotatably connected to the side wall of the rotating shaft, the other side of the limiting ring abutting against the base plate, a threaded rod transversely connected to the side wall of the base plate, the threaded rod being threadedly connected to the base plate, and a second crossbeam abutting against the inner wall of the cable tray body.

[0006] In order to facilitate the fixing of the crossbeams on the pre-drilled holes at the bottom of the cable tray body, as a preferred embodiment of the ladder-type straight-through cable tray with riveting structure of this utility model, the cable tray body is a U-shaped integrated structure, and the pre-drilled holes are equally spaced on the horizontal end surface at the bottom of the cable tray body.

[0007] In order to fix the position of the first crossbeam on the cable tray body by using rivets, as a preferred embodiment of the ladder-type straight-through cable tray with riveting structure of this utility model, the cable tray body, pre-drilled holes, rivets and the first crossbeam form a riveting structure.

[0008] In order to fix the position of the second crossbeam on the cable tray body by using rivets, as a preferred embodiment of the ladder-type straight-through cable tray with riveting structure of this utility model, the cable tray body, pre-made holes, rivets and the second crossbeam form a riveting connection structure.

[0009] In order to enable the adjustment of the position of the limiting ring on the base plate by means of the rotating shaft, as a preferred embodiment of the ladder-type straight cable tray with riveting structure of this utility model, the base plate, the rotating shaft and the limiting ring form a rotating connection structure.

[0010] In order to fix the position of the limiting ring on the base plate using a screw, as a preferred embodiment of the ladder-type straight cable tray with a riveting structure of this utility model, the base plate, the limiting ring and the screw form a threaded connection structure, and a semi-circular through groove is opened on the top of the base plate, and the through groove is adapted to the through groove on the inner wall of the limiting ring.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The pre-drilled holes and rivets on the cable tray body facilitate a stable connection between the two, preventing the cable tray body and the two crossbeam connectors on it from becoming loose and affecting the stability of the cables fixed on it.

[0013] The base plate and limiting ring on the first crossbeam on both sides of the cable tray body are used to fix the position of the cable to be laid, so that the cable can be stably connected to the cable tray body for support. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

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

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 This is a bottom view of the structure of this utility model;

[0018] Figure 4 This is an enlarged structural diagram of the cable tray body of this utility model;

[0019] Figure 5 This is an enlarged structural diagram of the first crossbeam and the limiting ring of this utility model.

[0020] In the diagram: 1. Cable tray body; 2. Precast hole; 3. Rivet; 4. First crossbeam; 5. Base plate; 6. Shaft; 7. Limiting ring; 8. Screw; 9. Second crossbeam. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-5 The present invention provides the following technical solution: a ladder-type straight-through cable tray with a riveting structure, comprising: a cable tray body 1, a pre-drilled hole 2 at the bottom of the transverse end of the cable tray body 1, a rivet 3 sleeved on the surface of the pre-drilled hole 2, a first crossbeam 4 riveted to the top of the rivet 3, the bottom of the first crossbeam 4 abutting against the top of the inner wall of the cable tray body 1, a base plate 5 connected to the top of the first crossbeam 4, a rotating shaft 6 rotatably connected to one end of the side wall of the base plate 5, a limiting ring 7 rotatably connected to the side wall of the rotating shaft 6, the other side of the limiting ring 7 abutting against the base plate 5, a threaded rod 8 transversely connected to the side wall of the base plate 5, and a second crossbeam 9 abutting against the inner wall of the cable tray body 1.

[0023] Preferably, the cable tray body 1 is a U-shaped integrated structure, and prefabricated holes 2 are opened at equal intervals on the horizontal end surface of the bottom of the cable tray body 1.

[0024] In practical use, the pre-drilled holes 2 at the bottom transverse end of the cable tray body 1 are used to facilitate the fixing of rivets 3 and the position of the second crossbeam 9 as needed.

[0025] Preferably, the cable tray body 1, pre-drilled holes 2, rivets 3 and the first crossbeam 4 form a riveting structure.

[0026] In practical use, the pre-drilled holes 2 and rivets 3 at the bottom of the cable tray body 1 are used to facilitate fixing the position of the first crossbeam 4 on the cable tray body 1.

[0027] Preferably, the cable tray body 1, the pre-drilled holes 2, the rivets 3, and the second crossbeam 9 form a riveted connection structure.

[0028] In practical use, multiple second crossbeams 9 are placed on the prefabricated holes 2 opened on the top of the cable tray body 1, and the positions of the second crossbeams 9 on the cable tray body 1 are fixed by rivets 3.

[0029] Preferably, the base plate 5, the rotating shaft 6, and the limiting ring 7 form a rotary connection structure.

[0030] In practical use, the cable is placed in the groove on the top of the base plate 5, and the angle of the limiting ring 7 is adjusted by rotating the shaft 6 connected to one end of the base plate 5, so that the limiting ring 7 abuts against the top of the cable.

[0031] Preferably, the base plate 5, the limiting ring 7 and the screw 8 form a threaded connection structure, and a semi-circular through groove is opened on the top of the base plate 5, and the through groove is adapted to the through groove on the inner wall of the limiting ring 7.

[0032] In practical use, the screw 8 is fixed between the base plate 5 and the limiting ring 7, which facilitates fixing the position of the cable on the cable tray body 1.

[0033] Working principle: During cable laying, the pre-drilled holes 2 at the bottom horizontal end of the cable tray body 1 and the rivets 3 thereon are used to fix the position of the first crossbeam 4 on the two cable tray bodies 1, which facilitates the lifting and fixing of the cable. At the same time, multiple second crossbeams 9 are placed on the pre-drilled holes 2 at the top of the cable tray body 1, and the second crossbeams 9 are fixed on the cable tray body 1 with rivets 3. The cable to be laid is placed on the pre-drilled holes 2 and the second crossbeams 9 fixed on the cable tray body 1. At the same time, the cable is placed in the groove at the top of the base plate 5, and the angle of the limiting ring 7 is adjusted by rotating the shaft 6 connected to one end of the base plate 5. The limiting ring 7 is then used to abut against the top of the cable, and the screw 8 is used to fix it between the base plate 5 and the limiting ring 7, which facilitates the fixing of the cable position on the cable tray body 1, so as to support and fix its position at the same time, prevent it from slipping and affecting the stable placement of the cable.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A ladder-type straight-through cable tray with a riveting structure, comprising: The cable tray body (1) is characterized in that: a pre-drilled hole (2) is opened at the bottom of the transverse end of the cable tray body (1), a rivet (3) is sleeved on the surface of the pre-drilled hole (2), a first crossbeam (4) is riveted to the top of the rivet (3), the bottom of the first crossbeam (4) abuts against the top of the inner wall of the cable tray body (1), the top of the first crossbeam (4) is connected to the bottom plate (5), one end of the side wall of the bottom plate (5) is rotatably connected to the rotating shaft (6), the side wall of the rotating shaft (6) is rotatably connected to the limiting ring (7), the other side of the limiting ring (7) abuts against the bottom plate (5), the side wall of the bottom plate (5) is transversely connected to the screw (8), the surface of the screw (8) is threaded to the bottom plate (5), and the inner wall of the cable tray body (1) abuts against the second crossbeam (9).

2. A ladder-type straight-through cable tray with a riveting structure according to claim 1, characterized in that: The cable tray body (1) is a U-shaped integrated structure, and prefabricated holes (2) are opened at equal intervals on the bottom horizontal end surface of the cable tray body (1).

3. A ladder-type straight-through cable tray with a riveting structure according to claim 2, characterized in that: The cable tray body (1), prefabricated holes (2), rivets (3) and the first crossbeam (4) form a riveting structure.

4. A ladder-type straight-through cable tray with a riveting structure according to claim 3, characterized in that: The cable tray body (1), prefabricated holes (2), rivets (3), and second crossbeam (9) form a riveted connection structure.

5. A ladder-type straight-through cable tray with a riveting structure according to claim 1, characterized in that: The base plate (5), the rotating shaft (6), and the limiting ring (7) form a rotating connection structure.

6. A ladder-type straight-through cable tray with a riveting structure according to claim 5, characterized in that: The base plate (5), the limiting ring (7) and the screw (8) form a threaded connection structure. A semi-circular through groove is opened on the top of the base plate (5), and the through groove is adapted to the through groove on the inner wall of the limiting ring (7).

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