Assembled ladder type cable bridge

Abstract

The utility model relates to the technical field of cable bridges, in particular to an assembled ladder type cable bridge which comprises a bridge body, the bridge body comprises two oppositely-arranged bridge side plates, a plurality of cross arms distributed at equal intervals are arranged between the two bridge side plates, first butt joint blocks are symmetrically arranged on the two sides of each cross arm, and the first butt joint blocks are connected with the bridge side plates. A second butt-joint groove is formed in the first butt-joint block, a plurality of partition frames which are evenly distributed and are of a hollow rectangular structure are arranged on the end face of the top of the cross arm, rotating rollers are rotationally installed in the partition frames, installation plates are symmetrically arranged at the two ends of one side of the cross arm, and fastening grooves are formed in the installation plates in a penetrating mode; through the arrangement of the cross arm, the structure of the cross arm, the bridge side plate and the structure of the bridge side plate, workers can conveniently splice and fix the bridge body, and meanwhile the workers can conveniently carry out transportation and carrying.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable bridge technical field, specifically to a kind of assembled ladder type cable bridge. BACKGROUND

[0002] Cable bridge is by tray or ladder's straight section, bend, component and support arm (arm support), hanging frame and so on Formed with the rigid structure system of the full name of the rigid structure system with close support cable.Ladder type cable bridge is one of cable bridge, when cable bridge is laid horizontally, bridge beam is supported according to load curve to select optimal span, light in weight, and strong in carrying capacity.

[0003] The existing ladder type cable bridge is fixed by welding or bolt connection, the above-mentioned connection mode is not convenient for disassembling and assembling the ladder type cable bridge, and it is not convenient for the staff to maintain and repair it in later period. UTILITY MODEL CONTENTS

[0004] The utility model aims at the defects of prior art, provides a kind of assembled ladder type cable bridge, to solve the problem that the existing ladder type cable bridge is fixed by welding or bolt connection, the above-mentioned connection mode is not convenient for disassembling and assembling the ladder type cable bridge, and it is not convenient for the staff to maintain and repair it in later period.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An assembled ladder type cable bridge, including bridge body, the bridge body includes two oppositely arranged bridge side plates, a plurality of equidistantly distributed cross arms are provided between the two bridge side plates, first docking blocks are symmetrically provided on the two sides of the cross arm, second docking grooves are formed in the first docking blocks, a plurality of hollow rectangular structure partition frames are evenly distributed on the top end surface of the cross arm, rotating rollers are rotatably installed in the partition frames, mounting plates are symmetrically provided at the two ends of one side of the cross arm, fastening grooves are formed in the mounting plates, and first fastening half columns are provided on the top end surface of the mounting plate on the side of the fastening groove.

[0007] To improve the connection strength and stability between the cross arm and the bridge side plate, first docking grooves are formed in the inner end surface of the bridge side plate for inserting the first docking block, and second docking blocks are provided in the first docking grooves and matched with the second docking grooves.

[0008] To improve the fastening of the connection between the cross arm and the bridge side plate, the bottom of the bridge side plate is inwardly folded to form an extension plate perpendicular to it, a second fastening half column is provided on the top end surface of the extension plate, which can be inserted into the outside of the fastening groove and the first fastening half column to form a complete fastening threaded column, and a fastening nut is installed on the fastening threaded column.

[0009] In order to improve the overall strength and service life of the cross arm, the cross arm and the first connecting block are integrally formed.

[0010] In order to reduce the weight of the bridge body, the bridge body is lightened, and a plurality of lightening grooves are provided on the bridge side plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In use, the first connecting block on the cross arm is aligned with the first connecting groove on the bridge side plate for insertion, the second connecting block in the first connecting groove is inserted into the second connecting groove of the first connecting block, the second fastening half column on the extension plate passes through the fastening groove on the mounting plate to form a complete fastening thread column with the first fastening half column, thereby preliminarily fixing the cross arm between the two bridge side plates, the fastening nut is fixed on the fastening thread column, the cross arm is stably fixed between the two bridge side plates, the cross arm and the structure thereof and the bridge side plate and the structure thereof are arranged, thereby facilitating the staff to assemble and fix the bridge body, facilitating the staff to transport and carry, the different types of cables can be placed separately through the arrangement of the partition frame on the cross arm, the maintenance efficiency of the cables by the staff is improved, and the cables are not rubbed against the side wall of the partition frame during laying and pulling through the arrangement of the rotating roller in the partition frame. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a structural schematic view of the bridge side plate of the utility model;

[0015] Fig. 3 It is a structural schematic view of the cross arm of the utility model;

[0016] In the drawing: 1, bridge side plate; 2, cross arm; 3, extension plate; 4, lightening groove; 5, first connecting groove; 6, second connecting block; 7, second fastening half column; 8, first connecting block; 9, second connecting groove; 10, partition frame; 11, rotating roller; 12, mounting plate; 13, fastening groove; 14, first fastening half column. DETAILED DESCRIPTION

[0017] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0018] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] Embodiment

[0020] The utility model provides a kind of assembled ladder type cable bridge, refer to Figs. 1-3 As shown, including bridge body, the bridge body includes two oppositely arranged bridge edge boards 1, a plurality of equidistant distribution cross arms 2 are detachably arranged between two bridge edge boards 1, the first butt joint block 8 of trapezoidal structure is symmetrically arranged on the both sides of cross arm 2, the second butt joint groove 9 is formed in the first butt joint block 8, a plurality of evenly distributed and hollow rectangular structure partition frame 10 are arranged on the top end surface of cross arm 2, different types of cables can be placed by the arrangement of partition frame 10, the maintenance efficiency of cable for later staff is improved, rotating roller 11 is rotatably installed in partition frame 10, the rotating roller 11 in partition frame 10 is arranged, so that cable line laying process will not produce greater friction with the side wall of partition frame 10, mounting plate 12 is symmetrically fixed on one side of cross arm 2, fastening groove 13 is formed in mounting plate 12, first fastening half column 14 is arranged on the top end surface of mounting plate 12 on the side of fastening groove 13.

[0021] Among them, the first butt joint groove 5 for the insertion of the first butt joint block 8 is formed on the inner end surface of the bridge edge board 1, the connection strength between the bridge edge board 1 and the cross arm 2 is improved by the arrangement of the first butt joint groove 5 and the first butt joint block 8, the second butt joint block 6 matched with the second butt joint groove 9 is arranged in the first butt joint groove 5, the connection strength between the bridge edge board 1 and the cross arm 2 is further improved by the arrangement of the second butt joint block 6 and the second butt joint groove 9.

[0022] Further, the extension plate 3 perpendicular to the bridge edge board 1 is formed by inwardly folding the bottom of the bridge edge board 1, the second fastening half column 7 capable of being inserted into the outside of fastening groove 13 and the first fastening half column 14 to form a complete fastening threaded column is arranged on the top end surface of the extension plate 3, and the fastening nut is arranged on the fastening threaded column. The connection fastening between the cross arm 2 and the bridge edge board 1 is improved by the arrangement of the first fastening half column 14, the second fastening half column 7 and the fastening nut.

[0023] The crossarm 2 and the first connecting block 8 are integrally formed, thereby improving the overall strength and service life of the crossarm 2.

[0024] The cable tray side plate 1 has multiple weight-reducing grooves 4 that are opened through it. By setting the weight-reducing grooves 4, the weight of the cable tray body is reduced, making the cable tray body lighter.

[0025] The working principle of this utility model is as follows:

[0026] In use, firstly, align the first connecting block 8 on the crossarm 2 with the first connecting groove 5 on the cable tray side plate 1 and insert it. Then, the second connecting block 6 in the first connecting groove 5 is inserted into the second connecting groove 9 of the first connecting block 8. At the same time, the second fastening half-column 7 on the extension plate 3 passes through the fastening groove 13 on the mounting plate 12 and forms a complete fastening threaded column with the first fastening half-column 14, thereby initially fixing the crossarm 2 between the two cable tray side plates 1. Install the fastening nut on the fastening threaded column for fixation, so that the crossarm 2 is stably installed between the two cable tray side plates 1. Through the setting of the crossarm 2 and its structure and the cable tray side plate 1 and its structure, it is convenient for workers to assemble and fix the cable tray body, and also convenient for workers to transport and handle. Through the setting of the partition frame 10 on the crossarm 2, different types of cables can be separated and placed, which improves the efficiency of cable maintenance for workers in the later stage. Through the setting of the rotating roller 11 in the partition frame 10, the cable will not generate a large friction force with the side wall of the partition frame 10 during the laying and pulling process.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A modular ladder-type cable tray, comprising a tray body, characterized in that: The cable tray body includes two oppositely arranged cable tray side plates (1), and a plurality of equally spaced crossbeams (2) are provided between the two cable tray side plates (1). A first connecting block (8) is symmetrically arranged on both sides of the crossbeam (2). A second connecting groove (9) is opened in the first connecting block (8). A plurality of evenly distributed partition frames (10) with a hollow rectangular structure are provided on the top end face of the crossbeam (2). A rotating roller (11) is rotatably installed in the partition frame (10). A mounting plate (12) is symmetrically arranged at both ends on one side of the crossbeam (2). A fastening groove (13) is opened through the mounting plate (12). A first fastening half column (14) is provided on the top end face of the mounting plate (12) on one side of the fastening groove (13).

2. The assembled ladder-type cable tray according to claim 1, characterized in that: The inner end face of the bridge plate (1) is provided with a first docking groove (5) for the first docking block (8) to be inserted, and a second docking block (6) adapted to the second docking groove (9) is provided in the first docking groove (5).

3. The assembled ladder-type cable tray according to claim 1, characterized in that: The bottom of the bridge plate (1) is folded inward to form an extension plate (3) perpendicular to it. The top end face of the extension plate (3) is provided with a second fastening half column (7) that can be inserted into the outside of the fastening groove (13) and form a complete fastening thread column with the first fastening half column (14). A fastening nut is installed on the fastening thread column.

4. The assembled ladder-type cable tray according to claim 1, characterized in that: The crossarm (2) and the first connecting block (8) are integrally formed.

5. The assembled ladder-type cable tray according to claim 1, characterized in that: Multiple weight-reducing grooves (4) are provided through the side plate (1) of the cable tray.

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