Macromolecular bridge

Abstract

The utility model discloses a macromolecule bridge frame which comprises a lower shell and an upper cover, the upper cover covers the upper end of the lower shell, the lower shell comprises a steel plate, the two ends of the steel plate are fixedly connected with connecting pieces, the other ends of the connecting pieces are fixedly connected with side plates, and the side plates are perpendicular to the steel plate. The outer side walls of the steel plates, the connecting pieces and the side plates are fixedly connected with protective coatings, a cross beam is fixedly connected to the interior of the lower shell, the upper cover comprises a cover body, the section shape of the cover body is # imgabs0, and reinforcing ribs are fixedly connected to the side wall of the lower end of the cover body at equal intervals. According to the utility model, the side plates and the bottom plate are made of PVC materials, so that the insulativity of the bridge is improved, the weight of the bridge is reduced, and meanwhile, the structural strength of the bridge is ensured by the arranged steel plates.

Description

Technical Field

[0001] The utility model relates to the field of bridge frames, in particular to a polymer bridge frame. Background Art

[0002] Cable trays are divided into trough-type cable trays, tray-type cable trays, ladder-type cable trays, grid-type cable trays and other structures, and are composed of brackets, brackets and installation accessories. They can be erected independently or laid on various buildings (structures) and pipe gallery brackets, and have the characteristics of simple structure, beautiful shape, flexible configuration and convenient maintenance.

[0003] The general cable tray is made of steel or fiberglass. Steel cable tray is not corrosion-resistant and insulated; fiberglass cable tray has poor structural strength. Compared with fiberglass cable tray, steel cable tray is heavy and difficult to install. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a polymer bridge.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a polymer bridge frame, comprising a lower shell and an upper cover, the upper cover is covered on the upper end of the lower shell, the lower shell comprises a steel plate, both ends of the steel plate are fixedly connected with connecting pieces, the other end of the connecting piece is fixedly connected with a side plate, the side plate and the steel plate are perpendicular to each other, and the outer side walls of the steel plate, the connecting piece and the side plate are fixedly connected with a protective coating;

[0006] The lower shell is fixedly connected with a crossbeam inside, and the upper cover includes a cover body, and the cross-sectional shape of the cover body is The lower end side wall of the cover body is fixedly connected with reinforcing ribs at equal distances.

[0007] As a further description of the above technical solution:

[0008] The side wall of the side plate is provided with a clamping groove, and the inner walls on both sides of the cover body are provided with convex edges, and the clamping groove and the convex edges cooperate with each other.

[0009] As a further description of the above technical solution:

[0010] Both ends of the cross beam are provided with first fixing bolts, and the first fixing bolts penetrate the side plate and the cross beam. The middle part of the cross beam is provided with a second fixing bolt, and the second fixing bolt penetrates the steel plate and the cross beam.

[0011] As a further description of the above technical solution:

[0012] A fixing nut is arranged on the first fixing bolt and the second fixing bolt and inside the lower shell, and a protective cap is arranged on the first fixing bolt and the second fixing bolt and outside the lower shell.

[0013] As a further description of the above technical solution:

[0014] The lower shell is provided with a bottom plate inside, and the cross-sectional shape of the bottom plate is

[0015] As a further description of the above technical solution:

[0016] The upper end of the bottom plate is evenly distributed with through holes, and both sides of the bottom plate are provided with openings.

[0017] As a further description of the above technical solution:

[0018] Both ends of the connecting piece are fixedly connected with clamping blocks, and grooves are arranged on the steel plate and the side plate, and the grooves and the clamping blocks cooperate with each other.

[0019] As a further description of the above technical solution:

[0020] Adhesive layers are provided at both ends of the connecting piece and on both sides of the clamping block, and the connecting piece is fixedly connected to the steel plate and the side plate respectively through the adhesive layers.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model adopts the structure of steel plate, connector, side plate, crossbeam and the like in the lower shell. The setting of steel plate improves the structural strength of the bridge frame. The side plate is made of PVC material, which improves the insulation performance. At the same time, compared with the bridge frame made of all-steel material, it is lighter and easier to install.

[0023] 2. In the utility model, the upper cover and the lower shell are provided with a slot and a convex edge, so that the upper cover and the lower shell are conveniently buckled with each other. At the same time, reinforcing ribs are provided on the lower side wall of the upper cover to improve the structural strength of the upper cover.

[0024] 3. In the utility model, a protective coating is provided on the side wall of the lower shell, and the protective coating is UV-proof, which can reduce the degree of aging and extend the service life of the bridge. At the same time, a protective cap is provided to protect the first bolt and the second bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a polymer bridge proposed by the utility model;

[0026] Figure 2 A schematic cross-sectional view of a polymer bridge proposed in the utility model;

[0027] Figure 3 This is a schematic diagram of an upper cover of a polymer bridge frame proposed by the utility model;

[0028] Figure 4for Figure 2 A magnified view of middle;

[0029] Figure 5 The utility model is a partial schematic side view of a bottom plate of a polymer bridge frame.

[0030] Legend:

[0031] 1. Lower shell; 2. Bottom plate; 3. Through hole; 4. Upper cover; 5. Protective coating; 6. Connector; 7. Steel plate; 8. Crossbeam; 9. Second fixing bolt; 10. Fixing nut; 11. Side plate; 12. Protective cap; 13. Slot; 14. Flange; 15. Cover; 16. Reinforcement rib; 17. Adhesive layer; 18. Block; 19. Opening; 20. First fixing bolt. DETAILED DESCRIPTION

[0032] 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.

[0033] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] Reference Figure 1-5The utility model provides an embodiment: a polymer bridge frame, including a lower shell 1 and an upper cover 4, the upper cover 4 covers the upper end of the lower shell 1, the lower shell 1 includes a steel plate 7, both ends of the steel plate 7 are fixedly connected with connectors 6, the other end of the connector 6 is fixedly connected to the side plate 11, the side plate 11 and the steel plate 7 are perpendicular to each other, the arrangement of the steel plate 7 improves the structural strength of the bridge frame, and at the same time, side plates 11 are arranged on both sides of the steel plate 7. The side plates 11 are made of PVC material, which can not only reduce the quality of the bridge frame, but also have the advantages of insulation, thereby improving the safety of cable laying. The steel plate 7 and the side plates 11 are connected by connectors 6, and the connectors 6 are made of flexible materials such as rubber or silicone. The outer walls of the steel plate 7, the connectors 6 and the side plates 11 are fixedly connected with a protective coating 5, and the material of the protective coating 5 is an anti-ultraviolet coating, which reduces the speed of aging due to sunlight exposure and improves the service life of the bridge frame.

[0035] The lower shell 1 is fixedly connected with a cross beam 8, which improves the structural strength of the bridge frame and keeps the side plate 11 and the steel plate 7 perpendicular to each other. The upper cover 4 includes a cover body 15, and the cross-sectional shape of the cover body 15 is The lower side wall of the cover body 15 is fixedly connected with reinforcing ribs 16 at equal distances to improve the structural strength of the upper cover 4 in the length direction.

[0036] The side wall of the side plate 11 is provided with a slot 13, and the inner walls on both sides of the cover body 15 are provided with a convex edge 14. The slot 13 and the convex edge 14 cooperate with each other, and the lower shell 1 and the upper cover 4 are buckled with each other through the slot 13 and the convex edge 14.

[0037] A first fixing bolt 20 is provided at both ends of the crossbeam 8, and the first fixing bolt 20 passes through the side plate 11 and the crossbeam 8. A second fixing bolt 9 is provided in the middle of the crossbeam 8, and the second fixing bolt 9 passes through the steel plate 7 and the crossbeam 8. A fixing nut 10 is provided on the first fixing bolt 20 and the second fixing bolt 9 and inside the lower shell 1. A protective cap 12 is provided on the first fixing bolt 20 and the second fixing bolt 9 and on the outside of the lower shell 1. The protective cap 12 is made of PVC material.

[0038] The lower shell 1 is provided with a bottom plate 2 made of PVC. When the cables are arranged inside the lower shell 1, the bottom plate 2 supports the cables and separates the cables from the steel plate 7 to avoid direct contact between the steel plate 7 and the cables. The cross-sectional shape of the bottom plate 2 is The upper end of the bottom plate 2 is evenly distributed with through holes 3 to improve the permeability of the bottom plate 2 from top to bottom and avoid heat accumulation. Openings 19 are provided on both sides of the bottom plate 2 for placing the crossbeams 8.

[0039] Both ends of the connecting piece 6 are fixedly connected with a clamping block 18, grooves are provided on the steel plate 7 and the side plate 11, and the grooves and the clamping block 18 cooperate with each other, and both ends of the connecting piece 6 and on both sides of the clamping block 18 are provided with an adhesive layer 17 to improve the sealing of the connection of the connecting piece 6. The connecting piece 6 is fixedly connected to the steel plate 7 and the side plate 11 respectively through the adhesive layer 17.

[0040] Working principle: When the utility model is used, the cables are laid inside the lower shell 1 so that the cables are placed on the upper part of the bottom plate 2, and the upper cover 4 is used at the same time, and is buckled on the lower shell 1 through the cooperation of the card slot 13 and the convex edge 14.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A polymer bridge, characterized in that: The invention comprises a lower shell (1) and an upper cover (4), wherein the upper cover (4) covers the upper end of the lower shell (1), and the lower shell (1) comprises a steel plate (7), both ends of the steel plate (7) are fixedly connected to connecting members (6), the other end of the connecting member (6) is fixedly connected to a side plate (11), the side plate (11) and the steel plate (7) are perpendicular to each other, and the outer side walls of the steel plate (7), the connecting member (6) and the side plate (11) are fixedly connected to a protective coating (5); The lower shell (1) is fixedly connected to a crossbeam (8) inside, and the upper cover (4) comprises a cover body (15). The cross-sectional shape of the cover body (15) is: The lower end side wall of the cover body (15) is fixedly connected with reinforcing ribs (16) at equal distances.

2. A polymer bridge according to claim 1, characterized in that: The side wall of the side plate (11) is provided with a slot (13), and the inner walls on both sides of the cover body (15) are provided with convex edges (14), and the slot (13) and the convex edges (14) cooperate with each other.

3. A polymer bridge according to claim 1, characterized in that: Both ends of the cross beam (8) are provided with first fixing bolts (20), and the first fixing bolts (20) penetrate the side plate (11) and the cross beam (8); the middle part of the cross beam (8) is provided with a second fixing bolt (9), and the second fixing bolt (9) penetrates the steel plate (7) and the cross beam (8).

4. A polymer bridge according to claim 3, characterized in that: A fixing nut (10) is provided on the first fixing bolt (20) and the second fixing bolt (9) and inside the lower shell (1), and a protective cap (12) is provided on the first fixing bolt (20) and the second fixing bolt (9) and outside the lower shell (1).

5. A polymer bridge according to claim 1, characterized in that: A bottom plate (2) is provided inside the lower shell (1), and the cross-sectional shape of the bottom plate (2) is 6. A polymer bridge according to claim 5, characterized in that: The upper end of the bottom plate (2) is evenly distributed with through holes (3), and both sides of the bottom plate (2) are provided with openings (19).

7. A polymer bridge according to claim 1, characterized in that: Both ends of the connecting member (6) are fixedly connected with clamping blocks (18); grooves are provided on the steel plate (7) and the side plate (11), and the grooves and the clamping blocks (18) cooperate with each other.

8. A polymer bridge according to claim 7, characterized in that: Adhesive layers (17) are provided at both ends of the connecting piece (6) and on both sides of the clamping block (18), and the connecting piece (6) is fixedly connected to the steel plate (7) and the side plate (11) respectively through the adhesive layer (17).

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