阅读说明：本技术 一种一体式免涂装复合材料轨枕 (Coating combined material sleeper is exempted from to integral type ) 是由 孙浩 王磊 王可心 于 2020-06-19 设计创作，主要内容包括：本发明涉及城市轨道交通领域,具体涉及一种一体式免涂装复合材料轨枕,包括枕木基体、纤维环绕层和免涂装环绕层,所述纤维环绕层缠绕在所述枕木基体上；所述免涂装环绕层缠绕在所述纤维环绕层上。本方案中,在枕木基体上通过环绕设备间纤维环绕层和免涂装环绕层依次编制缠绕在枕木基体表面上,使其通过环绕工艺紧密构成,其成型后可形成一体的增强层,使产品一体性好,结构强度高、防吸水性强、耐腐性强、绝缘性强环保性好,同时外观更平整,行车安全性高,也免去了传统复合材料枕木涂装的工序,从而达到国家的更生态、更环保的要求。(The invention relates to the field of urban rail transit, in particular to an integrated coating-free composite sleeper, which comprises a sleeper substrate, a fiber surrounding layer and a coating-free surrounding layer, wherein the fiber surrounding layer is wound on the sleeper substrate; the coating-free surrounding layer is wound on the fiber surrounding layer. In this scheme, weave the winding in proper order on the sleeper base member through surrounding the fibre surrounding layer of equipment room and exempting from the application surrounding layer on the sleeper base member, make it closely constitute through encircleing the technology, can form integrative enhancement layer after its shaping, make product wholeness good, structural strength is high, prevent that water absorption is strong, corrosion resistance is strong, the strong feature of environmental protection of insulating nature is good, the outward appearance is more level and more smooth simultaneously, the driving safety is high, the process of traditional combined material sleeper application has also been removed from, thereby reach the more ecological of country, the requirement of more environmental protection.)

1. The utility model provides a coating combined material sleeper is exempted from to integral type which characterized in that includes:

a sleeper substrate;

a fiber-surrounding layer wound around the sleeper substrate;

exempt from to scribble the surrounding layer, exempt from to scribble the surrounding layer winding and be in on the fibre surrounding layer.

2. The integrated coating-free composite sleeper as claimed in claim 1, characterized in that: and the fiber surrounding layer is woven and wound on the sleeper substrate according to the preset longitude and latitude.

3. The integrated coating-free composite sleeper as claimed in claim 2, characterized in that: and the coating-free surrounding layer is wound on the fiber surrounding layer according to the preset longitude and latitude.

4. The integrated coating-free composite sleeper as claimed in claim 1, characterized in that: the sleeper base body comprises a plurality of base body units, each base body unit is made of fibers and resin through thermosetting molding, and an adhesive layer is arranged between every two adjacent base body units.

5. The integrated coating-free composite sleeper as claimed in claim 4, characterized in that: the adjacent matrix units are connected through an adhesive.

6. The one-piece paint-free composite tie as claimed in any one of claims 1 to 5, wherein: the fiber surrounding layer is made by impregnating continuous fibers and non-foaming resin and solidifying and molding at normal temperature.

7. The integrated coating-free composite sleeper as claimed in claim 6, characterized in that: the resin selected in the coating-free surrounding layer is non-foaming resin and normal-temperature curing resin.

8. The integrated coating-free composite sleeper as claimed in claim 7, wherein: and a preset pigment is arranged in the resin selected in the coating-free surrounding layer.

9. The integrated coating-free composite sleeper as claimed in claim 1, characterized in that: the bonding strength value between the fiber surrounding layer and the sleeper base body is greater than the strength value of the sleeper base body.

Technical Field

The invention relates to the technical field of urban rail transit, in particular to an integrated coating-free composite material sleeper.

Background

In recent years, with the increase of investment in railway construction in China, the demands for various railway accessories are gradually increased, but many traditional material products cannot meet the requirements of the development of the existing railway in China, and the composite sleeper serving as a main product for replacing a wooden sleeper has the characteristics of high strength, high corrosion resistance, low maintenance cost, environmental protection and the like, so that the composite sleeper becomes a hotspot of research of people.

At present, the traditional composite material sleeper is mainly formed by using resin as a matrix and continuous glass fiber as a reinforcing material through soaking, compounding and molding, and then bonding special resin between layers. In the practical application of the forming process, the cracking of the bonding layer is easy to occur due to the influence of the vibration generated in the running of the train, thereby influencing the driving safety. Of course, the interlayer connection of the sleeper is enhanced by drilling and embedding the screw rod, but the process destroys the original material structure and causes the breakage of glass fibers, thereby directly influencing the overall performance of the sleeper.

Disclosure of Invention

One of the technical problems to be solved by the invention is as follows: the problem that the performance of the sleeper is reduced due to the fact that an adhesive layer of the composite material sleeper is prone to cracking in the prior art is solved.

(II) technical scheme

In order to solve the technical problem, the invention provides an integrated coating-free composite material sleeper, which comprises:

a sleeper substrate;

a fiber-surrounding layer wound around the sleeper substrate;

exempt from to scribble the surrounding layer, exempt from to scribble the surrounding layer winding and be in on the fibre surrounding layer.

According to one embodiment of the invention, the fiber surrounding layer is woven and wound on the sleeper base body according to a preset longitude and latitude.

According to one embodiment of the invention, the coating-free surrounding layer is wound on the fiber surrounding layer according to a preset longitude and latitude.

According to one embodiment of the present invention, the sleeper base includes a plurality of base units each made of fibers and resin by thermosetting molding, and an adhesive layer is provided between adjacent base units.

According to one embodiment of the present invention, adjacent base units are connected by an adhesive.

According to one embodiment of the invention, the fiber surrounding layer is made by impregnating continuous fibers with non-foaming resin and curing at normal temperature.

According to one embodiment of the invention, the resin selected in the coating-free surrounding layer is a non-foaming resin normal temperature curing resin.

According to one embodiment of the invention, the resin selected for the coating-free surrounding layer is provided with a preset pigment.

According to one embodiment of the invention the strength of the bond between the fibre-encircling layer and the sleeper matrix is greater than the strength of the sleeper matrix.

The invention has the beneficial effects that: the application provides a coating combined material sleeper is exempted from to integral type makes product wholeness good through winding fibre surrounding layer and exempting from coating surrounding layer on the sleeper base member, and structural strength is high, it is strong to prevent the water absorption nature, corrosion resistance is strong, the strong feature of environmental protection of insulating nature is good, and the outward appearance is more level and more smooth simultaneously, and the driving safety is high, has also removed the process of traditional combined material sleeper application from to reach the requirement of more ecological, more environmental protection of country.

Drawings

The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic cross-sectional view of an integral coating-free composite tie provided herein;

FIG. 2 is a schematic structural view of a cross-section of a tie body of the one-piece paintless composite tie provided herein;

FIG. 3 is a schematic structural view of an integral coating-free composite tie as provided herein;

fig. 4 is a schematic structural diagram of an embodiment of the one-piece coating-free composite sleeper provided by the present application.

The reference numbers are as follows: 1. the sleeper comprises a sleeper base body 11, a base body unit 12, an adhesive layer 13, continuous glass fibers 2, a fiber surrounding layer 3, a coating-free surrounding layer 4 and a reinforcing layer.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

As shown in fig. 1 to 4, the invention provides an integrated coating-free composite material sleeper, which comprises a sleeper substrate 1 and a fiber surrounding layer 2, wherein the fiber surrounding layer 2 is wound on the sleeper substrate 1; exempt from to scribble surrounding layer 3, exempt from to scribble surrounding layer 3 winding on the fibre surrounds layer 2.

Specifically, as shown in fig. 3, a fiber surrounding layer 2 and a coating-free surrounding layer 3 are sequentially woven and wound on the surface of a sleeper substrate 1 through surrounding equipment, so that the sleeper substrate is tightly formed through a surrounding process, and an integrated reinforcing layer 4 (as shown in fig. 4) can be formed after the sleeper substrate is formed, so that the product is good in integrity, high in structural strength, strong in water absorption resistance, strong in corrosion resistance, strong in insulativity and good in environmental protection, the appearance is smoother, the travelling safety is high, the process of coating the traditional composite sleeper is also omitted, and the requirements of the state on more ecological and more environmental protection are met.

According to one embodiment of the present invention, the fiber winding layer 2 is woven and wound on the sleeper base 1 according to a preset longitude and latitude.

Optionally, the fiber surrounding layer 2 is made by impregnating continuous fibers with non-foaming resin and curing at normal temperature.

In this embodiment, the fiber surrounding layer 2 is formed by infiltrating a fiber reinforced felt, fibers, etc. with a special resin, and weaving and winding the surrounding layer on the surface of the sleeper base 1 by a preset longitude and latitude through a winding device, that is, weaving and winding the surrounding layer on the surface of the sleeper base 1 according to the designed longitude and latitude, so as to form the fiber surrounding layer 2, and in addition, it should be noted that the fiber surrounding layer 2 may be formed by infiltrating continuous fibers and a non-foamed resin and curing at normal temperature.

According to an embodiment of the present invention, the coating-free surrounding layer 3 is wound on the fiber surrounding layer 2 according to a preset longitude and latitude.

Optionally, the resin selected in the coating-free surrounding layer 3 is a non-foaming resin normal temperature curing resin.

In this embodiment, the coating-free surrounding layer 3 is formed by combining fiber felt and resin in an infiltration manner, the prepared sleeper substrate 1 winds the fiber surrounding layer 2 to copy the sleeper substrate 1 through winding equipment, then the coating-free surrounding layer 3 winds the surface of the fiber surrounding layer 2 through winding equipment, and the coating-free surrounding layer is formed through setting of tools, so that the integrated coating-free composite sleeper is formed, and the product is good in integration, high in structural strength, strong in water absorption resistance and strong in corrosion resistance.

Optionally, a predetermined pigment is disposed in the resin selected for the coating-free surrounding layer 3. When the coating-free surrounding layer 3 is manufactured, a certain amount of preset pigment is added into the impregnating resin of the coating-free surrounding layer 3, and a colored product is formed after winding, wherein the impregnating resin and the pigment are fully mixed, a required color layer is formed on the surface of the formed integral coating-free composite material sleeper through the surrounding processes of reinforcing felt, fibers and the like, and the formed integral coating-free composite material sleeper is the color of the required product.

As shown in fig. 1 and 2, according to an embodiment of the present invention, the sleeper base 1 includes a plurality of base units 11, each of the base units 11 is made of fiber and resin by thermosetting molding, and an adhesive layer 12 is provided between adjacent base units 11.

Optionally, adjacent base units 11 are connected by an adhesive, that is, the adhesive layer 12 is made of an adhesive, but other materials may also be used.

In this embodiment, the sleeper base 1 is formed by using resin as a base, impregnating and composite-molding the resin with the reinforcing material continuous glass fiber 13, and then bonding the resin between layers to form a profile, and bonding the adjacent base units 11 by using an adhesive.

According to one embodiment of the invention the strength of the bond between the fibre-encircling layer 2 and the sleeper matrix 1 is greater than the strength of the sleeper matrix 1. Namely, the bonding strength value between the fiber surrounding layer 2 and the sleeper basal body 1 is larger than the strength value of the sleeper basal body 1 through the set bonding material during the manufacturing, thereby ensuring the integral structural strength.

In summary, the following steps: the application provides a coating combined material sleeper is exempted from to integral type through winding fibre surrounding layer and exempting from the coating surrounding layer on the sleeper base member, makes product wholeness good, and structural strength is high, it is strong to prevent the water absorption, corrosion resistance is strong, the strong feature of environmental protection of insulating nature is good, and the outward appearance is more level and more smooth simultaneously, and the driving safety is high, has also removed the process of traditional combined material sleeper application from to reach the requirement of more ecological, more environmental protection of country.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.