Large-span stepped cable bridge

Abstract

The utility model discloses a large-span stepped cable bridge, and relates to the technical field of cable bridges. The stepped cable bridge comprises two stepped cable bridge bodies, the linear sections of the two stepped cable bridge bodies are connected through a first connecting assembly, the bent sections of the two stepped cable bridge bodies are connected through a second connecting assembly, and the bifurcated sections of the two stepped cable bridge bodies are connected through a third connecting assembly. The stepped cable bridge body comprises symmetrically distributed cross beams; the step type cable bridge formed by the cross beams, the side plates and the supporting rods is used for connection, so that the use amount of materials is reduced, the manufacturing cost is reduced, the rigidity and the stability of the bridge are improved, the bearing capacity of the whole structure is improved, heat dissipation of cables is facilitated, and meanwhile during installation, the installation is convenient. The linear section, the bent section and the forked section are connected in a reasonable installation mode, installation and operation are convenient and fast, and the assembly efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridges, in particular to a large-span ladder-type cable bridge. Background Art

[0002] Cable tray is a structural device used to support, protect and manage cables. It is usually used in spans inside or outside buildings to support cables and other related equipment, such as power lines, communication lines, network lines, etc., to ensure that they are safely and orderly arranged in the air or on the ground. Cable trays are usually composed of beams, support columns and connectors, and are designed to be able to bear the weight of cables and maintain their stability.

[0003] However, the traditional cable tray has high material cost and complex installation structure. When spanning a long distance, it faces problems such as structural instability and limited bearing capacity. In view of the above problems, the inventor proposes a long-span ladder-type cable tray to solve the above problems. Utility Model Content

[0004] In order to solve the problem of inconvenient installation of traditional cable trays, the utility model aims to provide a large-span ladder-type cable tray.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a large-span ladder-type cable tray, comprising a ladder-type cable tray body, wherein the straight sections of two ladder-type cable tray bodies are connected by a first connecting assembly, the curved sections of two ladder-type cable tray bodies are connected by a second connecting assembly, and the bifurcated sections of two ladder-type cable tray bodies are connected by a third connecting assembly;

[0006] The ladder-type cable tray body includes symmetrically distributed cross beams, and the opposite sides of the bottom ends of the cross beams are fixedly connected with support rods, and side plates equidistantly distributed are fixedly installed between the top ends of the two support rods.

[0007] Preferably, the first connecting component includes a symmetrically distributed connecting frame, which is sleeved between one end of the corresponding two beams. One side of the connecting frame is provided with symmetrically distributed first bolts, one end of which is movable through the connecting frame and the beam and is threadedly connected with a first nut.

[0008] Preferably, the second connecting assembly includes two mounting plates, the mounting plates are fixedly connected to one end of the beam, and the opposite sides of the mounting plates are fixedly connected to fixing plates, one side of the fixing plate is provided with a second bolt, one end of the second bolt movably passes through the corresponding two fixing plates and is threadedly connected with a second nut, one side of the fixing plate is provided with positioning holes distributed symmetrically with the center, a third nut movably passes through the interior of the corresponding positioning holes, and one end of the third nut is threadedly connected with a third bolt.

[0009] Preferably, the third connecting assembly includes symmetrically distributed snap-in plates, each of which is fixedly connected to one side of the cross beam, and each of the bottom ends of the snap-in plates is fixedly connected to a connecting plate, and the two support rods are placed on the top of the corresponding connecting plates. A fourth bolt is provided on the top of the support rod, and the bottom end of the fourth bolt movably passes through the support rod and the connecting plate and is threadedly connected to a fourth nut.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The ladder-type cable bridge composed of beams, side panels and support rods is used for connection, which reduces the use of materials, reduces manufacturing costs, increases the rigidity and stability of the bridge, improves the bearing capacity of the overall structure, and is beneficial to the heat dissipation of the cables. At the same time, during installation, the straight section, curved section and forked section are connected in a reasonable installation method, which makes the installation operation convenient and quick, further improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 For this utility model Figure 1 The picture at point A in the middle.

[0015] Figure 3 It is a schematic diagram of the straight section connection structure of the ladder-type cable tray body in the utility model.

[0016] Figure 4 It is a schematic diagram of the bifurcated section connection structure of the ladder-type cable tray body in the utility model.

[0017] In the figure: 1. ladder-type cable tray body; 101. crossbeam; 102. side plate; 103. support rod; 2. connecting frame; 3. first bolt; 4. first nut; 5. mounting plate; 6. fixing plate; 7. second nut; 8. second bolt; 9. positioning hole; 10. third bolt; 11. third nut; 12. clamping plate; 13. connecting plate; 14. fourth bolt; 15. fourth nut. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-4 As shown, the utility model provides a large-span ladder-type cable tray, comprising a ladder-type cable tray body 1, wherein the straight sections of two ladder-type cable tray bodies 1 are connected via a first connecting assembly, the curved sections of two ladder-type cable tray bodies 1 are connected via a second connecting assembly, and the bifurcated sections of two ladder-type cable tray bodies 1 are connected via a third connecting assembly;

[0020] The ladder-type cable tray body 1 includes symmetrically distributed cross beams 101 , and the bottom ends of the cross beams 101 are fixedly connected to opposite sides with support rods 103 , and the top ends of the two support rods 103 are fixedly installed with equidistantly distributed side plates 102 .

[0021] The first connecting component includes a symmetrically distributed connecting frame 2, which is sleeved between one end of two corresponding beams 101. One side of the connecting frame 2 is provided with a symmetrically distributed first bolt 3, one end of which is movable through the connecting frame 2 and the beam 101 and is threadedly connected with a first nut 4.

[0022] By adopting the above technical solution, when the straight section is used to connect two ladder-type cable tray bodies 1, one end of the two ladder-type cable tray bodies 1 is aligned, and the connecting frame 2 is set between the outer sides of the two cross beams 101, and the first bolt 3 is movable through the cross beam 101 and the connecting frame 2 by drilling, and the two ladder-type cable tray bodies 1 are connected and fixed by tightening the first nut 4.

[0023] The second connecting assembly includes two mounting plates 5, which are fixedly connected to one end of the cross beam 101, and the opposite side of the mounting plates 5 are fixedly connected to a fixing plate 6, one side of the fixing plate 6 is provided with a second bolt 8, and one end of the second bolt 8 movably passes through the corresponding two fixing plates 6 and is threadedly connected to a second nut 7.

[0024] By adopting the above technical solution, when the bending section connects two stepped cable tray bodies 1, the mounting plate 5 is installed to one end of the crossbeam 101, and the center positions of the fixing plates 6 correspond, and the second bolts 8 are made to pass through the two fixing plates 6 by drilling holes, and the relative positions of the two stepped cable tray bodies 1 are fixed by tightening the second bolts 8.

[0025] The third connecting component includes symmetrically distributed snap-in plates 12, which are fixedly connected to one side of the cross beam 101, and one side of the bottom end of the snap-in plates 12 is fixedly connected to a connecting plate 13. Two support rods 103 are placed on the top of the corresponding connecting plates 13, and a fourth bolt 14 is provided on the top of the support rod 103. The bottom end of the fourth bolt 14 movably passes through the support rod 103 and the connecting plate 13 and is threadedly connected with a fourth nut 15.

[0026] By adopting the above technical solution, when the forked section connects two ladder-type cable tray bodies 1, two clamping plates 12 are symmetrically installed on one side of the crossbeam 101, and then the support rod 103 of the other ladder-type cable tray body 1 is placed on the top of the corresponding connecting plate 13, and holes are punched to allow the bottom end of the fourth bolt 14 to interactively penetrate the connecting plate 13 and the support rod 103, and the relative positions of the two ladder-type cable tray bodies 1 are fixed by tightening the fourth nut 15.

[0027] One side of the fixing plate 6 is provided with positioning holes 9 which are symmetrically distributed in the center, and a third nut 11 is movably penetrated inside the corresponding positioning hole 9 , and one end of the third nut 11 is threadedly connected with a third bolt 10 .

[0028] By adopting the above technical solution, the stability of the connection structure between the two ladder-type cable tray bodies 1 is increased by movably passing the third bolt 10 through the positioning hole 9 .

[0029] Working principle: When installing a large-span cable bridge, a ladder-type cable bridge consisting of a crossbeam 101, a side plate 102 and a support rod 103 is used for connection, which reduces the use of materials, reduces the manufacturing cost, increases the rigidity and stability of the bridge, improves the bearing capacity of the overall structure, and is conducive to heat dissipation of the cable;

[0030] When the straight section connects two ladder-type cable tray bodies 1, one end of the two ladder-type cable tray bodies 1 is aligned, and the connection frame 2 is sleeved between the outer sides of the two crossbeams 101, and the first bolt 3 is movably penetrated through the crossbeam 101 and the connection frame 2 by drilling, and the two ladder-type cable tray bodies 1 are connected and fixed by tightening the first nut 4;

[0031] When the bending section connects two ladder-type cable tray bodies 1, the mounting plate 5 is mounted to one end of the crossbeam 101, and the center positions of the fixing plates 6 are aligned, and the second bolts 8 are movably penetrated through the two fixing plates 6 by drilling holes, and the relative positions of the two ladder-type cable tray bodies 1 are fixed by tightening the second bolts 8;

[0032] When the bifurcated section connects two ladder-type cable tray bodies 1, two clamping plates 12 are symmetrically installed on one side of the crossbeam 101, and then the support rod 103 of the other ladder-type cable tray body 1 is placed on the top of the corresponding connecting plate 13, and holes are punched to allow the bottom end of the fourth bolt 14 to interactively penetrate the connecting plate 13 and the support rod 103, and the relative positions of the two ladder-type cable tray bodies 1 are fixed by tightening the fourth nut 15.

[0033] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A long-span stepped cable tray, comprising a stepped cable tray body (1), characterized in that: The straight sections of the two ladder-type cable tray bodies (1) are connected via a first connecting component, the curved sections of the two ladder-type cable tray bodies (1) are connected via a second connecting component, and the bifurcated sections of the two ladder-type cable tray bodies (1) are connected via a third connecting component; The ladder-type cable tray body (1) comprises symmetrically distributed cross beams (101), the bottom ends of the cross beams (101) are fixedly connected to opposite sides with support rods (103), and side plates (102) are fixedly installed between the top ends of the two support rods (103) and are equidistantly distributed.

2. A long-span ladder-type cable tray as claimed in claim 1, characterized in that: The first connection assembly comprises a symmetrically distributed connection frame (2), the connection frame (2) being sleeved between one end of two corresponding cross beams (101), one side of the connection frame (2) being provided with a symmetrically distributed first bolt (3), one end of each of the first bolts (3) being movably passed through the connection frame (2) and the cross beam (101) and being threadedly connected with a first nut (4).

3. A long-span ladder-type cable tray as claimed in claim 1, characterized in that: The second connection assembly comprises two mounting plates (5), wherein the mounting plates (5) are fixedly connected to one end of the crossbeam (101), and the opposite side of the mounting plates (5) is fixedly connected to a fixing plate (6), and a second bolt (8) is provided on one side of the fixing plate (6), and one end of the second bolt (8) movably passes through the corresponding two fixing plates (6) and is threadedly connected to a second nut (7).

4. A long-span ladder-type cable tray as claimed in claim 1, characterized in that: The third connecting assembly comprises symmetrically distributed snap-in plates (12), each of which is fixedly connected to one side of the crossbeam (101), and each of which is fixedly connected to a connecting plate (13) on one side of the bottom end of each of the snap-in plates (12). The two support rods (103) are placed on the top ends of the corresponding connecting plates (13), and a fourth bolt (14) is provided on the top ends of the support rods (103). The bottom ends of the fourth bolts (14) movably penetrate the support rods (103) and the connecting plate (13) and are threadedly connected to a fourth nut (15).

5. A long-span ladder-type cable tray as claimed in claim 3, characterized in that: One side of the fixing plate (6) is provided with positioning holes (9) which are symmetrically distributed in the center, and a third nut (11) is movably penetrated inside the corresponding positioning hole (9), and one end of the third nut (11) is threadedly connected with a third bolt (10).

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