阅读说明：本技术 一种应用于风力发电的机舱罩及其生产工艺 (Cabin cover applied to wind power generation and production process thereof ) 是由 白福岗 白福东 于 2019-09-18 设计创作，主要内容包括：本发明公开了一种应用于风力发电的机舱罩及其生产工艺,属于风力发电领域,一种应用于风力发电的机舱罩,包括罩体和底板,罩体和底板之间采用螺栓连接,罩体包括上罩体和下罩体,上罩体和下罩体的连接处设有四组快速锁紧机构,可以实现上罩体和下罩体的快速安装锁紧,便于安装和拆卸,底板来承受全部载荷,强度高,安全可靠。一种应用于风力发电的机舱罩生产工艺,包括生产罩体、生产底板、罩体和底板的连接和密封处理等步骤,罩体采用一体成型将阻燃材料粘结在机舱罩内表面上,阻燃效果好,安全性更高,操作简单,提高了生产效率,极大改善了工作环境,底板的加工工艺具有制作工艺简单,节约成本,使底板具有更好的结构性能等优点。(The invention discloses a cabin cover applied to wind power generation and a production process thereof, belonging to the field of wind power generation. The utility model provides a be applied to wind power generation's cabin cover production technology, includes the production cover body, produces the bottom plate, the connection and the step such as sealed processing of cover body and bottom plate, and the cover body adopts integrated into one piece to bond flame retardant material on cabin cover internal surface, and flame retardant efficiency is good, and the security is higher, and easy operation has improved production efficiency, has greatly improved operational environment, and the processing technology of bottom plate has simple manufacture craft, practices thrift the cost, makes the bottom plate have advantages such as better structural performance.)

1. A nacelle cover for wind power generation, comprising a cover body (1) and a base plate (2), characterized in that: the cover body (1) with adopt bolted connection between bottom plate (2), the cover body (1) with the contact department of bottom plate (2) is equipped with sealed the pad, the cover body (1) is including the upper cover body (3) and the lower cover body (4), the junction of the upper cover body (3) and the lower cover body (4) is equipped with four quick locking mechanism of group (5).

2. The nacelle cover for wind power generation according to claim 1, wherein: the quick locking mechanism (5) comprises an upper positioning block (51), a lower positioning block (52) and a clamping block (53), the upper positioning block (51) is fixed at the lower edge of the upper cover body (3), the lower positioning block (52) is fixed at the upper edge of the lower cover body (4), the clamping block (53) is fixed at the upper side of the upper positioning block (51), a pin shaft (54) is fixed on the lower positioning block (52), a snap ring (55) is fixed at the end part of the pin shaft (54), an arc-shaped positioning groove (56) is formed in the clamping block (53), the shape of the arc-shaped positioning groove (56) is matched with the shape of a semicircular segment of the snap ring (55), the snap ring (55) is clamped in the arc-shaped positioning groove (56) when turned to the upper side, a rotating shaft (58) is rotatably connected to the upper positioning block (51), and a positioning rod (57) is fixed on the, two limiting blocks (59) for limiting the positioning rod (57) are arranged at the edge of the upper side of the lower positioning block (52).

3. The nacelle cover for wind power generation according to claim 1, wherein: the upper cover body (3) and the lower cover body (4) are of a layered structure, and the layered structure comprises an integrally formed gel coat layer (11), a mixed layer (12), a reinforcing rib (13), a liquid flame-retardant layer (14), a solid flame-retardant layer (15) and an unsaturated polyester resin layer (16) from top to bottom.

4. The nacelle cover for wind power generation according to claim 3, wherein: the thickness of the gel coat layer (11) is 0.8 mm.

5. The nacelle cover for wind power generation according to claim 3, wherein: the mixed layer (12) is a mixture of unsaturated polyester resin and glass fiber, the liquid flame-retardant layer (14) is a mixture of dimethyl methyl phosphate and dibromomethane, and the solid flame-retardant layer (15) is a mixture of aluminum hydroxide, zinc borate and magnesium hydroxide.

6. The nacelle cover for wind power generation according to claim 1, wherein: bottom plate (2) are including setting up two-layer substrate layer (21) from top to bottom, and are two-layer leave space and space intussuseption between substrate layer (21) and be filled with filling layer (22), and are two-layer still be equipped with metal installed part (23) between substrate layer (21), metal installed part (23) laminating downside the upper surface of substrate layer (21) sets up, a plurality of mounting holes (24) have been seted up to equidistant on metal installed part (23) all seted up on substrate layer (21) and filling layer (22) with mounting hole (24) corresponding mounting hole (25).

7. The nacelle cover for wind power generation according to claim 6, wherein: the base material layer (21) is glass steel, filling layer (22) are polyurethane rigid foam filling layer, the material of metal mounting part (23) is the titanium alloy, and is two-layer the height in space between base material layer (21) is 10-20 mm.

8. The process for producing a nacelle cover for wind power generation as claimed in claim 1, wherein: the method comprises the following steps:

s1, producing a cover body (1);

s2, producing the bottom plate (2);

and S3, connecting the cover body (1) and the bottom plate (2) and sealing to obtain the complete cabin cover.

9. The process for producing a nacelle cover for wind power generation as claimed in claim 8, wherein: the S1 includes the steps of:

s11, uniformly spraying the gel coat on the inner surface of the cabin cover die to form a gel coat layer (11);

s12, after the gel coat is solidified, laying a mixture of unsaturated polyester resin and glass fiber on the gel coat layer (11) to form a mixed layer (12);

s13, uniformly placing reinforcing ribs (13) on the mixed layer (12);

s14, coating a mixture of dimethyl methyl phosphate and dibromomethane on the upper surface of the mixed layer (12) to form a liquid flame-retardant layer (14);

s15, spreading a mixture of aluminum hydroxide, zinc borate and magnesium hydroxide on the liquid flame-retardant layer (14) to form a solid flame-retardant layer (15);

s16, brushing a mixture of dimethyl methyl phosphate and dibromomethane on the inner surface of the vacuum film to form a liquid flame-retardant layer (14), and paving the vacuum film on the mixed layer (12);

s17, sealing and maintaining the pressure of the vacuum film and the mould;

s18, after the pressure maintaining is finished, injecting unsaturated polyester resin for stirring the curing agent;

and S19, plugging the air exhaust port and the glue injection port after glue injection is finished, demolding the product from the mold after the resin is cured, and finishing product molding to obtain the cover body (1).

10. The process for producing a nacelle cover for wind power generation as claimed in claim 8, wherein: the S2 includes the steps of:

s21, fixing the two substrate layers (21) by using a fixing piece, arranging a gap between the two substrate layers (21), arranging a metal mounting piece (23) between the two substrate layers (21), and arranging the substrate layer (21) with the metal mounting piece (23) attached to the lower side;

s22, sealing the periphery of a gap between two substrate layers (21) through a sealing element to form a sandwich cavity, and forming filling holes on the substrate layers (21);

s23, pumping out air in the interlayer cavity by using a vacuum pumping device, injecting fillers into the interlayer cavity through the filling holes, and standing and forming to obtain a filling layer (2) bonded with the two substrate layers (21);

and S24, forming mounting through holes (25) corresponding to the mounting holes (24) on the two base material layers (21) and the filling layer (22) to obtain the bottom plate (2).

Technical Field

The invention relates to the field of wind power generation, in particular to a cabin cover applied to wind power generation and a production process thereof.

Background

At present, wind energy is greatly popularized as a green energy source in China, and the loading capacity of wind driven generators is increased year by year. The cabin cover is an important part of the wind generating set and is a protective structure of the wind generating set, so that the wind generating set can normally work in a severe meteorological environment, and internal equipment and personnel are protected from being damaged by external environmental factors such as wind, rain, snow, salt fog, ultraviolet radiation and the like. Under the environmental conditions, the cabin cover is required to have high quality and high reliability to ensure that the wind turbine generator works normally for 20 years.

The cabin cover product is bulky, and required accessory is many, and complicated model cabin cover accessory reaches tens of, only reaches to make up into an organic whole with above-mentioned all parts intact, just can deliver user's side and use, so large-scale aerogenerator cabin cover assembles inflexibly, and the installation is inconvenient with the dismantlement, and is very consuming time, influences work efficiency.

Traditional cabin cover mainly adopts the hand to paste the mode shaping, and the outward appearance is pleasing to the eye, and the layering phenomenon appears easily, because the fine well gel content of glass is big, and intensity reduces, has influenced product quality, because weight is heavy, and intensity is low, and mechanical strength is not strong, influences the life of product. The flame retardant treatment of cabin cover internal surface all adopts and pastes fire-retardant cloth, fire-retardant sponge, need polish the product internal surface before pasting, the binder is applied paint with a brush, fire-retardant cloth (fire-retardant sponge) is pasted, work such as repair, and a large amount of man-hours, the material of this kind of preparation mode waste and the dust that produces of polishing seriously influences operational environment to be difficult to guarantee product flame retardant efficiency.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a cabin cover applied to wind power generation and a production process thereof, which can realize the quick installation and locking of an upper cover body and a lower cover body, are convenient to install and disassemble, a bottom plate bears all loads, the strength is high, safety and reliability are realized, the cover bodies are integrally formed to bond flame-retardant materials on the inner surface of the cabin cover, the flame-retardant effect is good, the safety is higher, the operation is simple, the production efficiency is improved, the working environment is greatly improved, the processing process of the bottom plate has the advantages of simple manufacturing process, cost saving, better structural performance of the bottom plate and the like.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a be applied to wind power generation's cabin cover, includes the cover body and bottom plate, the cover body with adopt bolted connection between the bottom plate, the cover body with the contact department of bottom plate is equipped with sealed the pad, the cover body is including the upper cover body and the lower cover body, the junction of the upper cover body and the lower cover body is equipped with four quick locking mechanism of group.

Further, quick locking mechanism includes locating piece, lower locating piece and joint piece, it fixes the lower limb department at the upper shield body to go up the locating piece, the upper limb department at the lower shield body is fixed to lower locating piece, the joint piece is fixed in the upside at last locating piece, be fixed with the round pin axle down on the locating piece, the end fixing of round pin axle has the buckle, the arc constant head tank has been seted up to joint piece inside, the shape of arc constant head tank and the semicircle segment shape phase-match of buckle, the buckle turns inside the arc constant head tank when the upside, it is connected with the pivot to go up to rotate on the locating piece, be fixed with the locating lever in the pivot, the upside edge of locating piece is equipped with carries out two spacing stoppers to the locating lever down.

Further, the upper cover body and the lower cover body are of a layered structure, and the layered structure comprises an integrally formed gel coat layer, a mixing layer, a reinforcing rib, a liquid flame-retardant layer, a solid flame-retardant layer and an unsaturated polyester resin layer from top to bottom.

Further, the thickness of the gel coat layer is 0.8 mm.

Further, the mixed layer is a mixture of unsaturated polyester resin and glass fiber, the liquid flame-retardant layer is a mixture of dimethyl methyl phosphate and dibromomethane, and the solid flame-retardant layer is a mixture of aluminum hydroxide, zinc borate and magnesium hydroxide.

Further, the bottom plate sets up two-layer substrate layer including from top to bottom, and is two-layer leave space and space intussuseption between the substrate layer and be filled with the filling layer, and is two-layer still be equipped with metal installed part between the substrate layer, the metal installed part laminating downside the upper surface of substrate layer sets up, a plurality of mounting holes have been seted up at the equidistant on the metal installed part all set up the mounting through-hole corresponding with the mounting hole on substrate layer and the filling layer.

Furthermore, the substrate layer is made of glass fiber reinforced plastic, the filling layer is made of polyurethane rigid foam filling layer, the metal mounting piece is made of titanium alloy, and the height of a gap between the two substrate layers is 10-20 mm.

A production process of a cabin cover applied to wind power generation comprises the following steps:

s1, producing a cover body;

s2, producing a bottom plate;

and S3, connecting and sealing the cover body and the bottom plate to obtain the complete cabin cover.

Further, the S1 includes the following steps:

s11, uniformly spraying the gel coat on the inner surface of the cabin cover die to form a gel coat layer;

s12, after the gel coat is solidified, laying a mixture of unsaturated polyester resin and glass fiber on the gel coat layer to form a mixed layer;

s13, uniformly placing reinforcing ribs on the mixed layer;

s14, coating a mixture of dimethyl methyl phosphate and methylene bromide on the upper surface of the mixed layer to form a liquid flame-retardant layer;

s15, spreading a mixture of aluminum hydroxide, zinc borate and magnesium hydroxide on the liquid flame-retardant layer to form a solid flame-retardant layer;

s16, brushing a mixture of dimethyl methyl phosphate and dibromomethane on the inner surface of the vacuum film to form a liquid flame-retardant layer, and paving the vacuum film on the mixed layer;

s17, sealing and maintaining the pressure of the vacuum film and the mould;

s18, after the pressure maintaining is finished, injecting unsaturated polyester resin for stirring the curing agent;

and S19, plugging the air exhaust port and the glue injection port after glue injection is finished, demolding the product from the mold after resin is cured, and finishing product molding to obtain the cover body.

Further, the S2 includes the following steps:

s21, fixing the two substrate layers by using a fixing piece, arranging a gap between the two substrate layers, arranging a metal mounting piece between the two substrate layers, and attaching the metal mounting piece to the lower substrate layer;

s22, sealing the periphery of a gap between two substrate layers through a sealing piece to form a sandwich cavity, and forming filling holes on the substrate layers;

s23, pumping out air in the interlayer cavity by using a vacuum pumping device, injecting fillers into the interlayer cavity through filling holes, and standing and forming to obtain a filling layer bonded with the two substrate layers;

and S24, arranging installation through holes corresponding to the installation holes on the two base material layers and the filling layer to obtain the bottom plate.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) through setting up quick locking mechanism, can lock the installation fast to last cover body and lower cover body, convenient to use, be convenient for install and dismantle, effectively improved installation staff's work efficiency.

(2) Divide into the cover body and bottom plate two parts, and the bottom plate includes two-layer glass steel and inside filling layer to be full of whole cavity, provided continuous supporting role to the panel, make inside filling layer and two-layer glass steel become a whole and cabin cover bottom plate bears whole load, intensity is high, safe and reliable promptly.

(3) The metal mounting part with the mounting hole is buried in the filling layer of the bottom plate, so that the equipment component inside the cabin cover can be conveniently mounted and positioned, the space utilization rate inside the cabin cover is effectively improved, and the resonance risk existing due to the fact that the functional component and the resonance frequency of the cabin cover are the same when the cover body and the bottom plate are of an integral structure is avoided.

(4) The flame retardant material is bonded on the inner surface of the cabin cover by adopting integral forming, the flame retardant effect of the inner surface of the cover body is improved by utilizing the flame retardant property of the flame retardant material, the safety is higher, the operation is simple, the cost is low, and the production efficiency is improved.

(5) The processing technology of the bottom plate comprises the steps of installing two layers of glass fiber reinforced plastics, embedding a metal installation part, reserving a filling hole, vacuumizing an interlayer cavity, injecting a filler, forming a through hole and the like, and has the advantages of simple manufacturing technology, cost saving, better structural performance of the bottom plate and the like.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the quick locking mechanism of the present invention;

FIG. 4 is a schematic view of the layered structure of the mask body of the present invention;

fig. 5 is a schematic structural view of the base plate of the present invention.

The reference numbers in the figures illustrate:

the novel plastic cover comprises a cover body 1, a gel coat layer 11, a mixed layer 12, a reinforcing rib 13, a liquid flame-retardant layer 14, a solid flame-retardant layer 15, an unsaturated polyester resin layer 16, a bottom plate 2, a base material layer 21, a filling layer 22, a metal mounting part 23, a mounting hole 24, a mounting through hole 25, an upper cover body 3, a lower cover body 4, a quick locking mechanism 5, an upper positioning block 51, a lower positioning block 52, a clamping block 53, a pin shaft 54, a snap ring 55, an arc-shaped positioning groove 56, a positioning rod 57, a rotating shaft 58 and.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.