CN209956099U

CN209956099U - High-strength composite material platform floor capable of being designed in modularized mode

Info

Publication number: CN209956099U
Application number: CN201920526222.5U
Authority: CN
Inventors: 卞学鹏; 曹晓燕
Original assignee: Tianjin CAS Institute of Advanced Technology
Current assignee: Tianjin CAS Institute of Advanced Technology
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-17
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a high-strength composite material carriage bottom plate capable of being modularly designed, which comprises a plurality of I-shaped beams which are sequentially laminated, wherein each I-shaped beam comprises a web plate, an upper flat plate and a lower flat plate, the length of the lower flat plate is less than that of the upper flat plate, a plurality of rod holes are arranged on the web plate, and the I-shaped beams are fixed through connecting rods inserted in the rod holes; the I-beam and the connecting rod are both made of composite materials and are produced through a pultrusion process, the composite material base plate structure has the advantages of being stable in structure, low in cost, easy to install and easy to achieve large-scale production, meanwhile, the composite material base plate structure can be used for a logistics carriage composite material base plate structure in a modular design, a series of problems existing in manufacturing and application of the composite material base plate structure on a main force bearing structure, namely a base plate part of a logistics carriage are solved, the weight of a vehicle body is effectively reduced through the base plate, the transportation efficiency is improved, the service life of the carriage is prolonged, and the economic benefit is greatly.

Description

High-strength composite material platform floor capable of being designed in modularized mode

Technical Field

The utility model relates to a commodity circulation car carriage specifically is a but high strength modular design combined material platform floor.

Background

At present, when the bottom plate of the logistics carriage is designed, metal castings such as steel and aluminum or plywood materials such as wood (bamboo) plywood are still used as the main material, however, the materials selected as the bottom plate often have the problems of easy corrosion, poor vibration isolation effect and the like. Meanwhile, due to the high density, the mass of the whole vehicle can be greatly increased in application, the operation cost is increased, and the method is contrary to the national call for energy conservation and emission reduction.

The composite material has the advantages of low density, excellent performance, strong designability and the like, can well solve the problems of the materials, and effectively improve the endurance mileage and the load capacity of the vehicle, so that the development of the application technology of the composite material on a logistics carriage is promoted, and the composite material has great significance.

In developed countries in europe and america, composite materials have been widely used to replace other environmentally unfriendly materials; the research of the application of the composite material on the logistics vehicle in China has been carried out for years, and the application of the composite material compartment on a newly purchased vehicle in domestic enterprises makes great comment in the practical application.

However, the application of the composite material is more concentrated on the side wall and top plate structure, and the bottom plate serving as the main bearing structure still has the following problems in application: (1) the bottom plate is used as a main bearing structure, and the structure of the bottom plate and the material per se are required to have higher rigidity; (2) the investment of the composite material in the aspects of moulds, equipment, labor, materials and the like is large when the large-scale product is manufactured; (3) and the connecting design difficulty of the composite material part parts is high when the block design is carried out.

Therefore, intensive research is needed to solve the technical bottleneck of applying the composite material in the logistics compartment, so that the engineering application of the composite material in the logistics compartment is maximized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but high strength modular design combined material platform floor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-strength composite material platform floor with a modular design comprises a plurality of I-shaped beams which are sequentially attached, wherein each I-shaped beam comprises a web plate, an upper flat plate and a lower flat plate, the length of the lower flat plate is smaller than that of the upper flat plate, a plurality of rod holes are formed in the web plate, and the I-shaped beams are fixed through connecting rods inserted in the rod holes; the I-beam and the connecting rod are both made of composite materials and are produced through a pultrusion process.

The connecting rod is including fluting pole and sill bar, and fluting pole bottom surface and sill bar top surface are smooth plane, and fluting pole lower half is rectangular bodily form, and first one of fluting pole is the semicolumn type, and the sill bar is the semicolumn type, has seted up a plurality of draw-in grooves in the first one of fluting pole, and interval between two adjacent draw-in grooves and the width phase-match of last flat board.

As the preferred scheme of the utility model: the rod hole is positioned in the center of the height direction of the web plate, the diameter of the rod hole is phi 14, and the hole center distance between every two adjacent rod holes is 300 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the invention adopts the I-shaped section bar produced by the composite material pultrusion process to splice with the connecting rod, 1), can make the characteristics of products with unlimited length of equal section, effectively solves the limitations of moulds and equipment existing in the traditional process of manufacturing large-scale products, and solves the problem of more labor consumption in manufacturing, 2) in the design, the connecting rod is divided into two parts, thereby greatly reducing the assembly difficulty, simultaneously effectively reducing the damage to the composite material in the assembly process, 3), effectively reducing the labor hour consumption of the connection work, being convenient for batch production, completing the connection according to the expected scheme, reducing the waste of materials, 4), adjusting the width of the bottom plate by adjusting the number of I-beams, coping with the requirements of different vehicle types, and achieving the purpose of modular design; in general, the composite material bottom plate structure has the advantages of stable structure, low cost, easiness in installation and easiness in realization of large-scale production, can be used for the logistics carriage composite material bottom plate structure with the modularized design, solves a series of problems of manufacturing and application of the composite material in the main bearing structure, namely the bottom plate part of the logistics carriage, effectively reduces the weight of a vehicle body, improves the transportation efficiency, prolongs the service life of the carriage and greatly improves the economic benefit.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front sectional view of the i-beam of the present invention.

Fig. 3 is a front view of the slotted rod of the present invention.

Fig. 4 is a front view of the middle bottom rod of the present invention.

Fig. 5 is a right side sectional view of the middle slotted rod of the present invention.

In the figure, 1-an I-beam, 2-an upper flat plate, 3-a lower flat plate, 4-a connecting rod, 5-a slotted rod, 6-a bottom rod, 7-a clamping groove and 8-a rod hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a high-strength composite material platform floor with a modularized design comprises a plurality of i-beams 1 which are sequentially attached, wherein each i-beam 1 comprises a web plate, an upper flat plate 2 and a lower flat plate 3, the length of the lower flat plate 3 is smaller than that of the upper flat plate 2, a plurality of rod holes 8 are formed in the web plate, the i-beams 1 are fixed through connecting rods 4 inserted in the rod holes 8, the assembled i-beams 1 can be disassembled to form the floor, a conventional floor is distinguished, the installation difficulty is reduced, the material damage can be controlled to be minimum, the batch production is facilitated, the requirements of different vehicle types can be met, and the purpose of modularized design is achieved.

Specifically, the I-beam 1 and the connecting rod 4 are both made of composite materials and produced by a pultrusion process, the reinforcing material selected in the composite materials is glass fiber, the resin matrix can be epoxy resin, and the composite materials are not particularly limited; when production is carried out, the length of the I-beam 1 is cut to a fixed length according to the size of an insertion problem, the rod hole 8 is formed, after slotting is completed, transverse placement is carried out according to the width of a vehicle body, splicing is completed, a main body section of the carriage bottom plate is formed, after the placement is completed, the connecting rod 4 is inserted into the rod hole 8 to complete fixation, the I-beam 1 is transversely connected in series, and the stable bottom plate is formed.

Further, in order to avoid instability caused by sliding displacement after the connecting rod 4 is inserted into the rod hole 8, the connecting rod 4 comprises a grooving rod 5 and a bottom rod 6, the bottom surface of the grooving rod 5 and the top surface of the bottom rod 6 are both smooth planes, the lower half part of the grooving rod 5 is rectangular, the upper half part of the grooving rod 5 is semi-cylindrical, the bottom rod 6 is semi-cylindrical, the upper half part of the grooving rod 5 is provided with a plurality of clamping grooves 7, and the distance between two adjacent clamping grooves 7 is matched with the width of the upper flat plate 2; when carrying out the installation of connecting rod 4, earlier insert the pole hole 8 with fluting pole 5 in, lift fluting pole 5 on after inserting the completion, make draw-in groove 7 one-to-one block the web, put down fluting pole 5 after inserting bottom bar 6 again, through draw-in groove 7 and web cooperation, avoid connecting rod 4 to slide to the stability after the installation of bottom plate is accomplished has further been improved.

Take the car type with the weight limit of 12T and the size of the bottom plate of a carriage of 9.6m 2.5m as an example

1) Preparing an I-shaped section by using a fiber pultrusion process, and cutting at a fixed length: selection of I-beam 1A root; the grooved rod 5 and the bottom rod 6 are selected

A root; 2) the I-beam 1 is arranged in a positioning tool with a gang drill, the center of a web plate is provided with a hole by using the gang drill, and the center distance between two adjacent holes is controlled; 3) grooving the grooving rod 5; 4) flatly paving the I-beam 1 on a positioning tool to a designed size; 5) assembling the grooving rods 5 and pushing tightly along the grooving to enable the grooving rods to be matched with the I-shaped beam 1; 6) a bottom rod 6 is arranged; 7) and after the assembly is finished, integrally cutting and trimming the product to 9.6m by 2.5m in size, and performing corresponding subsequent treatment according to requirements.

Example 2:

on the basis of the embodiment 1, in order to further improve the stability, the rod hole 8 is located at the center position in the height direction of the web, so that the balance stabilizing effect on two sides is maintained, specifically, the diameter of the rod hole 8 is phi 14, and the hole center distance between two adjacent rod holes 8 is 300 mm.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a but high strength modular design combined material platform floor, its characterized in that, is including a plurality of I-beams (1) that laminate the setting in proper order, and I-beam (1) includes web, upper flat board (2) and lower flat board (3), has seted up a plurality of pole holes (8) on the web, and a plurality of I-beams (1) are fixed through connecting rod (4) of cartridge in pole hole (8).

2. A high strength modularly designable composite platform floor as in claim 1, wherein said lower panel (3) has a length less than the length of the upper panel (2).

3. A high strength modularly designable composite platform floor as in claim 1, wherein said i-beams (1) and tie rods (4) are of composite material.

4. The high-strength composite material platform floor capable of modular design according to claim 1, 2 or 3, wherein the connecting rod (4) comprises a slotted rod (5) and a bottom rod (6), the bottom surface of the slotted rod (5) and the top surface of the bottom rod (6) are both smooth planes, the lower half part of the slotted rod (5) is rectangular, the upper half part of the slotted rod (5) is semi-cylindrical, the bottom rod (6) is semi-cylindrical, a plurality of clamping grooves (7) are formed in the upper half part of the slotted rod (5), and the distance between two adjacent clamping grooves (7) is matched with the width of the upper flat plate (2).

5. A high strength modularly designable composite floor as claimed in claim 1, 2 or 3, wherein said rod holes (8) are located at the center position of the web height direction, said rod holes (8) have a hole diameter of phi 14, and the hole center distance between two adjacent rod holes (8) is 300 mm.