Anti-seismic cable bridge

Abstract

The utility model provides an anti-seismic cable bridge which comprises a main cable trough, a first variable-diameter trough body and a second variable-diameter trough body are installed on one side face of the main cable trough, a connecting plate located between the first variable-diameter trough body and the second variable-diameter trough body is arranged in the main cable trough, and the connecting plate is connected with the main cable trough. Guide rail strips are installed at the two ends of the connecting plate, inserting grooves arranged in the length directions of the guide rail strips are formed in the faces, away from the connecting plate, of the guide rail strips, inserting blocks are inserted into the inserting grooves, column rods used for supporting cables are installed on the upper surfaces of the inserting blocks, and external threads are machined at the lower ends of the column rods; the beneficial effects of the utility model are that the cable laying device prevents a cable laid in a later period from driving a cable laid in an earlier stage to generate vibration displacement, and prevents the cable which is laid in a cable trough in the earlier stage and is not liable to be bent excessively from being bent excessively.

Description

TECHNICAL FIELD

[0001] The utility model relates to an anti-seismic cable bridge belongs to the field of cable bridge. BACKGROUND

[0002] The cable bridge is a kind of structure system for supporting and protecting electrical circuit, communication cable and other cable.It is widely used in industry, commercial building, data center and other places, can effectively manage and organize cable, ensure the security and beauty of wiring.Slot type cable bridge is a common one, it is closed bridge, there is cover plate on top, multiple sub-cable slots are installed in main cable slot in slot type cable bridge, when the interval between adjacent two sub-cable slots is small, the cable not easy to overbend in cable slot in early laying is changed in position at intersection part of main cable slot and sub-cable slot under the drive of subsequent laying cable, so that the cable not easy to overbend in cable slot in early laying can appear overbending, so that the cable bending part can generate larger stress, affect the safety of cable. CONTENT OF UTILITY MODEL

[0003] In view of the deficiencies of prior art, the utility model aims at providing an anti-seismic cable bridge to solve the problems in the background art, the utility model prevents the cable in early laying from being driven by subsequent laying cable to generate vibration displacement, and prevents the cable not easy to overbend in cable slot in early laying from overbending.

[0004] In order to realize the above-mentioned purpose, the utility model is realized through the following technical scheme: an anti-seismic cable bridge, including main cable slot, first variable-diameter groove body and second variable-diameter groove body are installed on the side surface of main cable slot, connecting plate between first variable-diameter groove body and second variable-diameter groove body is arranged in main cable slot, connecting plate is connected with main cable slot, guide rail strip is installed at both ends of connecting plate, two guide rail strips are arranged in fan shape, the surface of guide rail strip away from connecting plate is provided with insertion slot arranged along the length direction of guide rail strip, plug is inserted in insertion slot, column rod for supporting cable is installed on the upper surface of plug, external thread is processed on the lower end of column rod, positioning nut for limiting the relative position of plug and guide rail strip is threadedly connected on the lower end of column rod.

[0005] Further, the surface of main cable slot, the surface of first variable-diameter groove body and the surface of second variable-diameter groove body are all galvanized with zinc layer, a plurality of heat dissipation holes are uniformly arranged on the bottom of main cable slot.

[0006] Further, the surface of main cable slot, the surface of first variable-diameter groove body and the surface of second variable-diameter groove body are all galvanized with zinc layer, a plurality of heat dissipation holes are uniformly arranged on the bottom of main cable slot. Further, one surface of connecting plate away from guide rail strip is provided with two screw rods, two through holes matched with screw rod are arranged on main cable slot, screw rod penetrates through through hole and is threadedly connected with two adjusting nuts, two adjusting nuts on one screw rod are arranged on both sides of through hole along the length direction of screw rod.

[0007] Further, the slot cross section is a "T" shape, and the plug cross section is a "T" shape.

[0008] Further, the rail strip upper surface is concave downward to form two strip-shaped grooves symmetrically arranged about the slot, rubber strips are pasted in the strip-shaped grooves, the upper end of the rubber strip extends to the outside of the strip-shaped groove, and the lower side of the positioning nut is provided with a pressing ring in contact with the rubber strip.

[0009] Further, the upper side of the positioning nut is provided with two limiting discs arranged above and below for limiting the position of the cable, and the limiting disc is sleeved on the column rod and connected and fixed with the column rod.

[0010] Further, the first variable-diameter groove body is provided with two symmetrically arranged first connecting ears at one end close to the main cable groove, the first connecting ear is connected with the main cable groove through a fastener, and the first variable-diameter groove body is provided with two first butt ears for connecting the branch cable groove at one end away from the first connecting ear.

[0011] Further, the second variable-diameter groove body is provided with two symmetrically arranged second connecting ears at one end close to the main cable groove, the second connecting ear is connected with the main cable groove through a fastener, and the second variable-diameter groove body is provided with two second butt ears for connecting the branch cable groove at one end away from the second connecting ear.

[0012] The utility model discloses the beneficial effect:

[0013] 1. The surface of the main cable groove, the surface of the first variable-diameter groove body and the surface of the second variable-diameter groove body are all galvanized, and a plurality of heat dissipation holes are uniformly arranged at the bottom of the main cable groove, so that corrosion and heat dissipation are realized.

[0014] 2. The screw rod penetrates the through hole, and the relative position of the screw rod and the main cable groove is limited by using two adjusting nuts, the position of the screw rod in the through hole is adjusted, the position of the connecting plate in the main cable groove is adjusted, and the structure formed by the connecting plate and the rail strip is convenient for disassembling and assembling with the main cable groove.

[0015] 3. According to the need, a plurality of plugs are inserted into the slot, and the relative position of the plug and the rail strip is limited by using the positioning nut, so that the cable laid in the early stage is bypassed around the corresponding column rod, and then under the limitation of the column rod and other components, the cable laid in the later stage is prevented from driving the cable laid in the early stage to produce vibration displacement, and the cable laid in the early stage in the cable groove is prevented from being excessively bent. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 It is a structure diagram of the anti-seismic cable bridge of the utility model;

[0018] Figure 2 It is a perspective view of the main cable groove in the anti-seismic cable bridge of the utility model;

[0019] Figure 3 It is a perspective view of the first variable-diameter groove body in the anti-seismic cable bridge of the utility model;

[0020] Figure 4 It is a perspective view of the second variable-diameter groove body in the anti-seismic cable bridge of the utility model;

[0021] Figure 5 It is an assembly diagram of the screw rod, guide rail strip and connecting plate in the anti-seismic cable bridge of the utility model;

[0022] Figure 6 It is a perspective view of the plug-in block, limiting disc and column rod in the anti-seismic cable bridge of the utility model;

[0023] In the drawing: 1-main cable groove, 2-guide rail strip, 3-column rod, 4-heat dissipation hole, 5-limiting disc, 6-first variable-diameter groove body, 7-first butt joint ear, 8-connecting plate, 9-adjusting nut, 10-screw rod, 11-second butt joint ear, 12-second variable-diameter groove body, 13-threaded sleeve, 14-first connecting ear, 15-second connecting ear, 16-strip-shaped groove, 17-insert groove, 18-rubber strip, 19-positioning nut, 20-pressing ring, 21-plug-in block. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Please refer to Figures 1-4The utility model provides a technical scheme: an anti-seismic cable bridge, including main cable groove 1, first variable diameter groove body 6 and second variable diameter groove body 12 are installed to one side surface of main cable groove 1, the surface of main cable groove 1, the surface of first variable diameter groove body 6 and the surface of second variable diameter groove body 12 are all galvanized with zinc layer, and a plurality of heat dissipation holes 4 are evenly set up in the bottom of main cable groove 1, realize the purpose of corrosion prevention, heat dissipation, first variable diameter groove body 6 is installed with two symmetrical first connecting lug 14 close to the one end of main cable groove 1, and first connecting lug 14 is connected with main cable groove 1 through fastener, and first variable diameter groove body 6 is installed with two first butt lug 7 for connecting branch cable groove away from first connecting lug 14, second variable diameter groove body 12 is installed with two symmetrical second connecting lug 15 close to the one end of main cable groove 1, and second connecting lug 15 is connected with main cable groove 1 through fastener, and second variable diameter groove body 12 is installed with two second butt lug 11 for connecting branch cable groove away from second connecting lug 15, and first variable diameter groove body 6, second variable diameter groove body 12 play the role of connecting main cable groove 1 and branch cable groove.

[0026] Referring to Figure 1 、 Figure 2 and Figure 5 , the connecting plate 8 between the first variable diameter groove body 6 and the second variable diameter groove body 12 is provided in the main cable groove 1, two screw rods 10 are installed on the side of the connecting plate 8 away from the guide rail strip 2, two through holes matched with the screw rods 10 are formed on the main cable groove 1, the screw rods 10 penetrate the through holes and are threadedly connected with two adjusting nuts 9, the two adjusting nuts 9 on one screw rod 10 are arranged on the two sides of the through hole along the length direction of the screw rod 10, the screw rod 10 penetrates the through hole, the relative position of the screw rod 10 and the main cable groove 1 is limited by the two adjusting nuts 9, the position of the screw rod 10 in the through hole is adjusted, the position of the connecting plate 8 in the main cable groove 1 is adjusted, and the structure formed by the connecting plate 8 and the guide rail strip 2 is disassembled with the main cable groove 1.

[0027] Referring to Figure 1 、 Figure 5 and Figure 6Both ends of the connecting plate 8 are provided with guide rail strips 2, the two guide rail strips 2 are arranged in a fan shape, the side of the guide rail strip 2 away from the connecting plate 8 is provided with a T-shaped slot 17 arranged along the length direction of the guide rail strip 2, a T-shaped plug 21 is inserted into the T-shaped slot 17, a column 3 for supporting the cable is arranged on the upper surface of the plug 21, the lower end of the column 3 is provided with external threads, the lower end of the column 3 is screwed with a positioning nut 19 for limiting the relative position of the plug 21 and the guide rail strip 2, the upper side of the positioning nut 19 is provided with two limiting discs 5 arranged in an up-down manner for limiting the position of the cable, the limiting disc 5 is sleeved on the column 3 and is connected and fixed with the column 3, according to the need, a plurality of plugs 21 are inserted into the slot 17, then the relative position of the plug 21 and the guide rail strip 2 is limited by the positioning nut 19, so that the cable laid in the early stage passes around the corresponding column 3, and then under the limitation of the column 3 and other components, the cable laid in the early stage is prevented from being vibrated and displaced by the cable laid in the late stage, and the cable laid in the early stage in the cable groove is prevented from being excessively bent.

[0028] Referring to Figure 1 , Figure 5 and Figure 6 , the upper surface of the guide rail strip 2 is downwardly recessed to form two strip-shaped grooves 16 symmetrically arranged with respect to the slot 17, a rubber strip 18 is pasted in the strip-shaped groove 16, the upper end of the rubber strip 18 extends to the outside of the strip-shaped groove 16, the lower side of the positioning nut 19 is provided with a pressing ring 20, when the positioning nut 19 is tightened, the positioning nut 19 extrudes the pressing ring 20, so that the pressing ring 20 is in close contact with the rubber strip 18, thereby improving the stability of the positioning nut 19 in limiting the relative position of the plug 21 and the guide rail strip 2.

[0029] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A seismic-resistant cable tray, comprising a main cable trough (1), characterized in that: The main cable trough (1) has a first variable diameter trough (6) and a second variable diameter trough (12) installed on one side. The main cable trough (1) has a connecting plate (8) located between the first variable diameter trough (6) and the second variable diameter trough (12). The connecting plate (8) is connected to the main cable trough (1). Guide rails (2) are installed at both ends of the connecting plate (8). The two guide rails (2) are arranged in a fan shape. The side of the guide rail (2) away from the connecting plate (8) has a slot (17) arranged along the length of the guide rail (2). A plug (21) is inserted into the slot (17). A column (3) for supporting the cable is installed on the upper surface of the plug (21). The lower end of the column (3) is machined with an external thread. The lower end of the column (3) is threaded with a positioning nut (19) for limiting the relative position of the plug (21) and the guide rail (2).

2. The earthquake-resistant cable tray according to claim 1, characterized in that: The surfaces of the main cable trough (1), the first variable diameter trough (6), and the second variable diameter trough (12) are all electroplated with zinc. Multiple heat dissipation holes (4) are uniformly opened at the bottom of the main cable trough (1).

3. The earthquake-resistant cable tray according to claim 1, characterized in that: Two screws (10) are installed on the side of the connecting plate (8) away from the guide rail (2). Two through holes that cooperate with the screws (10) are opened on the main cable groove (1). The screws (10) pass through the through holes and are threadedly connected to two adjusting nuts (9). The two adjusting nuts (9) on one screw (10) are set on both sides of the through hole along the length of the screw (10).

4. The earthquake-resistant cable tray according to claim 1, characterized in that: The slot (17) has a "T" shaped cross-section, and the insert (21) has a "T" shaped cross-section.

5. The earthquake-resistant cable tray according to claim 1, characterized in that: The upper surface of the guide rail (2) is recessed downward to form two strip grooves (16) symmetrically arranged about the slot (17). A rubber strip (18) is pasted in the strip groove (16). The upper end of the rubber strip (18) extends to the outside of the strip groove (16). A pressure ring (20) is provided on the lower side of the positioning nut (19). The pressure ring (20) is in contact with the rubber strip (18).

6. The earthquake-resistant cable tray according to claim 1, characterized in that: The positioning nut (19) has two vertically arranged limiting discs (5) on its upper side for limiting the position of the cable. The limiting discs (5) are sleeved on the column rod (3) and connected and fixed to the column rod (3).

7. The earthquake-resistant cable tray according to claim 1, characterized in that: Two symmetrically arranged first connecting ears (14) are installed at the end of the first variable diameter groove (6) near the main cable groove (1). The first connecting ears (14) are connected to the main cable groove (1) by fasteners. Two first docking ears (7) for connecting the branch cable groove are installed at the end of the first variable diameter groove (6) away from the first connecting ears (14).

8. The earthquake-resistant cable tray according to claim 1, characterized in that: Two symmetrically arranged second connecting ears (15) are installed at the end of the second variable diameter groove (12) near the main cable groove (1). The second connecting ears (15) are connected to the main cable groove (1) by fasteners. Two second docking ears (11) for connecting the branch cable groove are installed at the end of the second variable diameter groove (12) away from the second connecting ears (15).

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