PLA fiber recycled concrete cover plate

Abstract

The utility model relates to the technical field of recycled concrete cover plates, in particular to a PLA fiber recycled concrete cover plate which comprises a concrete protection plate, a bottom plate and PLA fibers, drainage grooves are formed in the front end and the rear end of the concrete protection plate, hooks are arranged at the diagonal positions of the upper end of the concrete protection plate, and a cavity is formed in the lower end of the concrete protection plate. The PLA fiber is positioned in the cavity; a reinforcing mesh is welded in a steel wire mesh, then the steel wire mesh is filled with PLA fibers and compacted, then an epoxy resin protection layer is arranged on the outer sides of the PLA fibers, then the epoxy resin protection layer is placed in a cavity, finally, the lower end of a concrete protection plate is covered with a bottom plate and fixed through bolts, and the concrete protection plate is hooked through iron hooks and hooks. And the concrete plate can be lifted only by lifting the concrete plate, so that the concrete plate can be conveniently moved and mounted, and the concrete cover plate has the effects of high tensile strength and high firmness.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled concrete cover plates, in particular to a PLA fiber recycled concrete cover plate. Background Art

[0002] PLA fiber is made of lactic acid made from starch. It is a natural cycle-free and biodegradable fiber. This fiber does not use any chemical raw materials such as petroleum. Its waste can be decomposed into carbon dioxide and water under the action of microorganisms in the soil and seawater, and will not pollute the earth's environment.

[0003] The existing concrete cover plate has the following problems: poor tensile strength of the cover plate, weak firmness, and the cover plate is easy to fall off between the layers. Therefore, the utility model proposes a PLA fiber recycled concrete cover plate to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a PLA fiber recycled concrete cover plate to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a PLA fiber recycled concrete cover plate, comprising: a concrete protection plate, a bottom plate and PLA fibers, the front and rear ends of the concrete protection plate are both provided with drainage grooves, a hook is provided at the diagonal position of the upper end of the concrete protection plate, a cavity is provided at the lower end of the concrete protection plate, and the PLA fibers are located in the cavity;

[0006] The bottom plate is installed at the lower end of the cavity by bolts, and the outer end of the bottom plate is flush with the outer end of the concrete protection plate.

[0007] Preferably, a groove is provided at a diagonal position of the upper end of the concrete protection plate, a fixing rib is fixedly installed at the bottom end of the groove, the lower end of the hook is welded to the upper end of the fixing rib, and the hook is located in the groove.

[0008] Preferably, fixing holes are arranged on four sides of the lower end of the concrete protection plate, and bolt holes corresponding to the fixing holes are arranged on four side walls of the bottom plate.

[0009] Preferably, one end of the bolt passes through the bolt hole and is threadedly connected to the inner wall of the fixing hole, and the outer end of the bolt is flush with the outer end of the bolt hole.

[0010] Preferably, a wire mesh is provided on the outer side of the PLA fiber, and a steel mesh is provided on the inner side of the PLA fiber.

[0011] Preferably, a protective layer is provided on the outer side of the steel wire mesh, and the protective layer is epoxy resin.

[0012] Preferably, the outer wall of the protective layer contacts the inner wall of the cavity and the bottom plate respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By first welding the steel mesh inside the wire mesh, then filling the wire mesh with PLA fibers and compacting it, then setting an epoxy resin protective layer on the outside of the PLA fibers, and then placing the epoxy resin protective layer in the cavity, and finally covering the lower end of the concrete protection plate with a base plate and fixing it with bolts, the concrete plate can be lifted by hooking it with iron hooks and hooks, making it easier to move and install it, so that the concrete cover plate has strong tensile strength and strong firmness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the utility model when splicing;

[0017] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 4 It is a schematic cross-sectional view of the overall structure of the utility model.

[0019] In the figure: 1. Concrete protection plate; 2. Drainage trough; 3. Groove; 4. Fixing rib; 5. Hook; 6. Cavity; 7. Fixing hole; 8. Bottom plate; 9. Bolt hole; 10. Protective layer; 11. Wire mesh; 12. Steel mesh; 13. PLA fiber. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0021] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a PLA fiber recycled concrete cover plate, comprising: a concrete protection plate 1, a bottom plate 8 and a PLA fiber 13, the front and rear ends of the concrete protection plate 1 are provided with drainage grooves 2, a plurality of concrete protection plate layers 1 are connected end to end, and the outer ends of the drainage grooves 2 are also in contact with each other, and are combined into a larger drainage port, a hook 5 is provided at the diagonal portion of the upper end of the concrete protection plate 1, a groove 3 is provided at the diagonal portion of the upper end of the concrete protection plate 1, a fixing rib 4 is fixedly installed at the bottom end of the groove 3, and both ends of the fixing rib 4 extend into the interior of the concrete protection plate 1, the lower end of the hook 5 is welded to the upper end of the fixing rib 4, and the hook 5 is located in the groove 3, and the PLA fiber recycled concrete cover plate is conveniently lifted and lowered by the hook 5, so as to facilitate the movement and installation of the PLA fiber recycled concrete cover plate.

[0025] A cavity 6 is provided at the lower end of the concrete protection plate 1, and fixing holes 7 are provided on four sides of the lower end of the concrete protection plate 1. The PLA fiber 13 is located in the cavity 6, and a steel mesh 11 is provided on the outer side of the PLA fiber 13, and the steel mesh 11 is in a mouth shape. A steel mesh 12 is provided on the inner side of the PLA fiber 13, and the four ends of the steel mesh 12 are welded to the inner walls of the four ends of the steel mesh 11. A protective layer 10 is provided on the outer side of the steel mesh 11, and the protective layer 10 is epoxy resin. The steel mesh 11 serves to limit the PLA fiber 13, and the steel mesh 12 serves to strengthen the concrete cover plate, and the epoxy resin protects the internal PLA fiber 13.

[0026] The concrete protection plate 1 is integrally formed, and a threaded barrel is placed in the mold during pouring, and the threaded barrel is located in the fixing hole 7 .

[0027] The four side walls of the bottom plate 8 are all provided with bolt holes 9 corresponding to the fixing holes 7. The bolt holes 9 are convex, and the outer ends are larger than the inner ends. The bottom plate 8 is installed at the lower end of the cavity 6 by bolts. The outer end of the bottom plate 8 is flush with the outer end of the concrete protection plate 1. One end of the bolt passes through the bolt hole 9 and is threadedly connected to the inner wall of the fixing hole 7. The outer end of the bolt is flush with the outer end of the bolt hole 9. At this time, the outer wall of the protective layer 10 is in contact with the inner wall of the cavity 6 and the bottom plate 8 respectively, which protects the internal PLA fiber 13 again, and also strengthens the strength of the concrete cover plate again, so that the concrete cover plate has a strong tensile strength and a strong firmness.

[0028] When the device is working, the steel mesh 12 is first welded inside the steel mesh 11, and then the PLA fiber 13 is filled in the steel mesh 11 and compacted, and then the epoxy resin protective layer 10 is arranged on the outside of the PLA fiber 13, and then the epoxy resin protective layer 10 is placed in the cavity 6, and finally the bottom plate 8 is covered on the lower end of the concrete protection plate 1 and fixed by bolts, and the concrete plate can be lifted by hooking with the iron hook and the hook 5, so that it is easy to move and install it, so that the concrete cover plate has a strong tensile strength and a strong firmness.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PLA fiber recycled concrete cover, comprising: A concrete protection plate (1), a bottom plate (8) and a PLA fiber (13), characterized in that: the front and rear ends of the concrete protection plate (1) are both provided with drainage grooves (2), a hook (5) is provided at the diagonal position of the upper end of the concrete protection plate (1), a cavity (6) is provided at the lower end of the concrete protection plate (1), and the PLA fiber (13) is located in the cavity (6); The bottom plate (8) is installed at the lower end of the cavity (6) by means of bolts, and the outer end of the bottom plate (8) is flush with the outer end of the concrete protection plate (1).

2. The PLA fiber recycled concrete cover plate according to claim 1, characterized in that: A groove (3) is provided at the diagonal portion of the upper end of the concrete protection plate (1), a fixing rib (4) is fixedly installed at the bottom end of the groove (3), the lower end of the hook (5) is welded to the upper end of the fixing rib (4), and the hook (5) is located in the groove (3).

3. The PLA fiber recycled concrete cover plate according to claim 1, characterized in that: The four sides of the lower end of the concrete protection plate (1) are all provided with fixing holes (7), and the four end side walls of the bottom plate (8) are all provided with bolt holes (9) corresponding to the fixing holes (7).

4. The PLA fiber recycled concrete cover plate according to claim 1, characterized in that: One end of the bolt passes through the bolt hole (9) and is threadedly connected to the inner wall of the fixing hole (7), and the outer end of the bolt is flush with the outer end of the bolt hole (9).

5. The PLA fiber recycled concrete cover plate according to claim 1, characterized in that: A steel mesh (11) is provided on the outer side of the PLA fiber (13), and a steel mesh (12) is provided on the inner side of the PLA fiber (13).

6. The PLA fiber recycled concrete cover plate according to claim 5, characterized in that: A protective layer (10) is arranged on the outer side of the steel wire mesh (11), and the protective layer (10) is epoxy resin.

7. The PLA fiber recycled concrete cover plate according to claim 6, characterized in that: The outer wall of the protective layer (10) is in contact with the inner wall of the cavity (6) and the bottom plate (8) respectively.

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