阅读说明：本技术 风电偏航器制动多层层压摩擦片成型工艺及制品 (Wind power yaw device brake multilayer laminated friction plate forming process and product ) 是由 周完成 梁军 钟招汉 周安 黄国演 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种风电偏航器制动多层层压摩擦片成型工艺及制品,包括如下步骤：1)预备粘接基材、支撑纤维布、耐磨纤维布；2)将支撑纤维布放于粘接基材中进行浸渍处理,浸渍粘接基材制成支撑层预浸料,支撑层预浸料的单层厚度为0.1~2mm；将耐磨纤维布放于粘接基材中进行浸渍处理,浸渍粘接基材制成耐磨层预浸料,耐磨层预浸料的单层厚度为0.1~2mm；3)将多层支撑层预浸料、多层耐磨层预浸料进行层压,其中,多层支撑层预浸料叠加层压后形成支撑层,多层耐磨层预浸料叠加层压后形成耐磨层,至此,形成下层为支撑层上层为耐磨层的摩擦片半成品；4)将摩擦片半成品进行固化处理,形成风电偏航器制动多层层压摩擦片。(The invention discloses a forming process and a product of a wind power yaw device brake multilayer laminated friction plate, wherein the forming process comprises the following steps: 1) preparing a bonding base material, a supporting fiber cloth and a wear-resistant fiber cloth; 2) placing the support fiber cloth in an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a support layer prepreg, wherein the single-layer thickness of the support layer prepreg is 0.1-2 mm; putting the wear-resistant fiber cloth into an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a wear-resistant layer prepreg, wherein the single-layer thickness of the wear-resistant layer prepreg is 0.1-2 mm; 3) laminating a plurality of layers of support layer prepregs and a plurality of layers of wear-resistant layer prepregs, wherein the plurality of layers of support layer prepregs are stacked and laminated to form a support layer, and the plurality of layers of wear-resistant layer prepregs are stacked and laminated to form a wear-resistant layer, so that a semi-finished friction plate with a lower layer as a support layer and an upper layer as a wear-resistant layer is formed; 4) and curing the semi-finished friction plate to form the wind power yaw device braking multilayer laminated friction plate.)

1. A forming process of a multilayer laminated friction plate for braking of a wind power yaw device is characterized by comprising the following steps:

preparing a bonding base material, a supporting fiber cloth and a wear-resistant fiber cloth; the bonding base material is one or a mixture of two materials of acrylate resin and epoxy resin; the supporting fiber cloth is carbon fiber cloth or glass fiber cloth; the wear-resistant fiber cloth is polyester cloth, ultra-high molecular weight polyethylene fiber cloth or aramid fiber cloth; the wear-resistant fiber cloth is added with a friction-reducing wear-resistant material, the friction-reducing wear-resistant material is one or a mixture of more of graphite, graphene, molybdenum disulfide, PTFE, brass and fluoropolymer, and is a powder material with the particle size of 0.1-300 mu m or a fibrous material with the length-diameter ratio of more than 5; the weight proportion of the antifriction and wear-resistant material in the wear-resistant fiber cloth is 3-20%;

placing the support fiber cloth in an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a support layer prepreg, wherein the single-layer thickness of the support layer prepreg is 0.1-2 mm; putting the wear-resistant fiber cloth into an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a wear-resistant layer prepreg, wherein the single-layer thickness of the wear-resistant layer prepreg is 0.1-2 mm;

laminating a plurality of layers of support layer prepregs and a plurality of layers of wear-resistant layer prepregs, wherein the plurality of layers of support layer prepregs are stacked and laminated to form a support layer, and the plurality of layers of wear-resistant layer prepregs are stacked and laminated to form a wear-resistant layer, so that a semi-finished friction plate with a lower layer as a support layer and an upper layer as a wear-resistant layer is formed;

and curing the semi-finished friction plate to form the wind power yaw device braking multilayer laminated friction plate.

2. The forming process of the multilayer laminated friction plate for the braking of the wind power yaw device according to claim 1, wherein in the step 1), the supporting fiber cloth accounts for 20-80% of the friction plate by volume.

3. The forming process of the multilayer laminated friction plate for the braking of the wind power yaw device according to claim 1, wherein in the step 1), the wear-resistant fiber cloth accounts for 20-80% of the friction plate by volume.

4. The forming process of the multilayer laminated friction plate for the braking of the wind power yaw device according to claim 1, wherein in the step 2), the dipping treatment is performed at normal temperature; and after the dipping treatment, freezing and storing for later use.

5. The forming process of the multilayer laminated friction plate for the braking of the wind power yaw device according to claim 1, wherein in the step 3), the multilayer lamination is formed by sequentially laminating a plurality of layers of supporting layer prepregs and a plurality of layers of wear layer prepregs, and the lamination is performed once every time the layers are laminated; or, after the multiple layers of laminated layers are completely stacked, the multiple layers of supporting layer prepregs and the multiple layers of wear-resistant layer prepregs are laminated at one time.

6. The process for forming a multilayer laminated friction plate for a wind power yaw brake according to claim 1, wherein in the step 4), the curing process comprises the following steps: the mixture is primarily cured through an oven and then is completely cured in a curing room.

7. An electric yaw brake multi-layer laminate friction plate prepared by the molding process of any one of claims 1 to 6.

Technical Field

The invention relates to a friction plate forming process, in particular to a wind power yaw device brake multilayer laminated friction plate forming process and a product.

Background

At the present stage, the brake friction plate of the wind power yaw device is mostly made of metal powder metallurgy, although the material is wear-resistant and high-temperature-resistant, and the friction coefficient can be regulated and controlled by a doped carbon material, the problem of noise pollution caused by squeal caused by vibration cannot be solved. Another key problem is: because the metal alloy has higher hardness, the brake disc can be damaged, and the maintenance cost is increased sharply.

Disclosure of Invention

In view of the above disadvantages, the present invention provides a forming process of a multilayer laminated friction plate for braking a wind power yaw device, which solves the noise problem of the current friction plate and ensures the health of the fan staff and the surrounding residents; the wear-resisting effect of the friction plate is improved, the abrasion and the scratch to the brake disc are avoided, and the maintenance cost is reduced; the friction plate has the advantages of small density, light weight, convenient carrying and convenient construction.

The technical scheme adopted by the invention is as follows: a forming process of a multilayer laminated friction plate for braking of a wind power yaw device is characterized by comprising the following steps:

1) preparing a bonding base material, a supporting fiber cloth and a wear-resistant fiber cloth; the bonding base material is one or a mixture of two materials of acrylate resin and epoxy resin; the supporting fiber cloth is carbon fiber cloth or glass fiber cloth; the wear-resistant fiber cloth is polyester cloth, ultra-high molecular weight polyethylene fiber cloth or aramid fiber cloth; the wear-resistant fiber cloth is added with a friction-reducing wear-resistant material, the friction-reducing wear-resistant material is one or a mixture of more of graphite, graphene, molybdenum disulfide, PTFE, brass and fluoropolymer, and is a powder material with the particle size of 0.1-300 mu m or a fibrous material with the length-diameter ratio of more than 5; the weight proportion of the antifriction and wear-resistant material in the wear-resistant fiber cloth is 3-20%;

2) placing the support fiber cloth in an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a support layer prepreg, wherein the single-layer thickness of the support layer prepreg is 0.1-2 mm; putting the wear-resistant fiber cloth into an adhesive base material for impregnation treatment, and impregnating the adhesive base material to prepare a wear-resistant layer prepreg, wherein the single-layer thickness of the wear-resistant layer prepreg is 0.1-2 mm;

3) laminating a plurality of layers of support layer prepregs and a plurality of layers of wear-resistant layer prepregs, wherein the plurality of layers of support layer prepregs are stacked and laminated to form a support layer, and the plurality of layers of wear-resistant layer prepregs are stacked and laminated to form a wear-resistant layer, so that a semi-finished friction plate with a lower layer as a support layer and an upper layer as a wear-resistant layer is formed;

4) and curing the semi-finished friction plate to form the wind power yaw device braking multilayer laminated friction plate.

Preferably, in the step 1), the volume proportion of the supporting fiber cloth in the friction plate is 20-80%.

Preferably, in the step 1), the wear-resistant fiber cloth accounts for 20-80% of the friction plate by volume.

Preferably, in the step 2), the impregnation treatment is performed at normal temperature; and after the dipping treatment, freezing and storing for later use.

Preferably, in the step 3), the multiple layers are stacked and laminated in sequence by using a plurality of layers of supporting layer prepregs and a plurality of layers of wear-resistant layer prepregs, and the lamination is performed once every time; or, after the multiple layers of laminated layers are completely stacked, the multiple layers of supporting layer prepregs and the multiple layers of wear-resistant layer prepregs are laminated at one time.

Preferably, in step 4), the curing process includes the steps of: the mixture is primarily cured through an oven and then is completely cured in a curing room.

The inorganic components are added and subjected to surface treatment, such as radiation treatment, coupling agent modification treatment or acid-base treatment.

An electric yaw brake multilayer laminated friction plate prepared by the molding process.

The invention has the following advantages: the problem of noise of the current friction plate is solved, and the health of workers of the fan and surrounding residents is guaranteed; the wear-resisting effect of the friction plate is improved, the abrasion and the scratch to the brake disc are avoided, and the maintenance cost is reduced; the friction plate has the advantages of small density, light weight, convenient carrying and convenient construction.

The present invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a side view of a friction plate;

in the figure: a support layer 1; a wear resistant layer 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if directional indications (such as … …, which is up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are provided in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.