CN217999803U

CN217999803U - Cabin cover

Info

Publication number: CN217999803U
Application number: CN202222410457.2U
Authority: CN
Inventors: 赵连平; 赵东勇; 史洪路
Original assignee: Shandong Shuangyi Technology Co ltd
Current assignee: Shandong Shuangyi Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-09
Anticipated expiration: 2032-09-09

Abstract

The utility model provides a cabin cover, include: the cover body, at least two sets of unit steelframes and connecting plate. At least two groups of unit steel frames are arranged inside the cover body, and the at least two groups of unit steel frames are respectively and fixedly connected with the side walls of the two sides of the cover body; the connecting plate is installed on the cover body, and two ends of the connecting plate are connected with the unit steel frames on two sides respectively. The connecting plate is connected with the cover body and the unit steel frame through the connecting device, so that connecting stress can be dispersed, and the problem that the joint of the cover body and the unit steel frame is cracked due to stress concentration is solved.

Description

Cabin cover

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to cabin cover.

Background

The engine room cover is an important part of the wind generating set and is a protective structure of the wind generating set. The engine room cover can ensure that the wind generating set can normally work in a severe meteorological environment and protect internal equipment and personnel from being damaged by external environmental factors such as wind, rain, snow, salt fog, ultraviolet radiation and the like.

As host manufacturers gradually reduce the overall weight of wind turbine generators, nacelle covers are also increasingly burdened with part of the load-bearing task. At present, most metal parts of the wind generating set are directly connected with the engine room cover through fasteners such as bolts, stress on the engine room cover is concentrated, and the engine room cover can crack.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, the present invention provides a nacelle cover to improve the problem of the nacelle cover cracking due to stress concentration.

In order to achieve the above and other related objects, the present invention provides a cabin cover, which comprises a cover body, at least two sets of unit steel frames and a connecting plate; the at least two sets of unit steel frames are arranged inside the cover body and are respectively fixedly connected with the side walls on the two sides of the cover body; the connecting plate is installed on the cover body, and the two ends of the connecting plate are connected with the unit steel frames on the two sides respectively.

The utility model discloses an in the example, the connecting plate pass through connecting device respectively with the cover body with the unit steelframe is connected, connecting device includes first steel sheet, second steel sheet and first fastener, first steel sheet sets up the top of connecting plate and with connecting plate fixed connection, the second steel sheet sets up the below of connecting plate or the bottom plate outside of the cover body and with the connecting plate or cover body bottom plate fixed connection, first fastener runs through first steel sheet the connecting plate reaches the second steel sheet will the connecting plate is fixed the unit steelframe with on the cover body.

In an example of the present invention, the connecting device further includes a shaft sleeve, the shaft sleeve is fixedly mounted on the connecting plate, and the first fastening member passes through the shaft sleeve and the connecting plate is fixed.

The utility model discloses an in the example, be equipped with the external screw thread on the first fastener, be equipped with on the second steel sheet with first fastener complex screw hole, connecting device passes through first fastener with second steel sheet threaded connection will the connecting plate is fixed the unit steelframe with on the cover body.

In an example of the present invention, the bottom of the cover body is provided with a protrusion, and the connecting plate passes through the connecting device to be installed on the protrusion.

In an example of the present invention, the unit steel frame includes a top plate and a base, and a web connecting the top plate and the base, wherein the web is fixedly connected to the top plate and the base to form an i-shaped structure.

The utility model discloses an in the example, the unit steelframe is close to one side of the lateral wall of the cover body is provided with the third steel sheet, be provided with the second fastener on the cover body lateral wall, the unit steelframe passes through the third steel sheet with the connection of second fastener is fixed on the lateral wall of the cover body.

In an example of the present invention, the base of the unit steel frame is spaced from the bottom of the cover and the height of the protrusion matches with each other.

The utility model discloses a cabin cover is connected the both ends and the unit steelframe of connecting plate through installing the connecting plate additional in cover body bottom, and the centre is connected with cabin cover bottom, and this kind of mode can disperse connecting stress, reaches the purpose that the stress relief cabin cover ftractures of buffering connection. The connecting plate is connected with the cover body and the unit steel frame through the connecting device respectively, so that direct contact between the fastener and the connecting plate can be avoided, and cracking of the connecting hole is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a diagram: the structure schematic diagram of the engine room cover of the utility model;

FIG. 2 is a diagram of: the cross-sectional schematic view of the nacelle cover of the present invention;

FIG. 3 is a diagram of: the area A in FIG. 2 is a partially enlarged schematic structural diagram;

FIG. 4 is a diagram of: fig. 2 is a partially enlarged structural diagram of a region B.

Description of the element reference numerals

1. A cover body; 2. a unit steel frame; 3. a connecting plate; 4. a connecting device; 41. a first steel plate; 42. a second steel plate; 43. a first fastener; 44. a shaft sleeve; 5. a third steel plate; 6. a second fastener; 7. and (4) protruding.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.

Referring to fig. 1 and 2, the present invention provides a cabin cover, which includes a cover body 1, at least two sets of unit steel frames 2 and a connecting plate 3, wherein the at least two sets of unit steel frames 2 are disposed inside the cover body 1 and are respectively fixedly connected to the side walls of the cover body 1. The connecting plate 3 is installed on the cover body 1, and the both ends of connecting plate 3 are connected with the unit steelframe 2 of both sides respectively. The utility model discloses an install connecting plate 3 additional in cabin cover bottom, can reach buffering connection stress, eliminate the purpose of cabin cover fracture.

Referring to fig. 2 and 3, in an embodiment, two ends of the connecting plate 3 are respectively connected to the unit steel frames 2 at two sides through the connecting device 4. The connecting device 4 comprises a first steel plate 41, a second steel plate 42 and a first fastener 43, wherein the first steel plate 41 is arranged above the connecting plate 3, the second steel plate 42 is arranged below the connecting plate 3, and the first steel plate 41 and the second steel plate 42 are fixedly connected with the connecting plate 3. The first fastening piece 43 sequentially penetrates through the first steel plate 41, the connecting plate 3 and the second connecting plate 42 to fix the connecting plate 3 on the unit steel frame 2. For example, the first fastening member 43 is provided with an external thread, the corresponding position of the second steel plate 42 is provided with a connecting hole with an internal thread which is matched with the first fastening member 43, and the first fastening member 43 and the second steel plate 42 are fixed through threaded connection.

Preferably, the connecting device 4 further includes a shaft sleeve 44, the shaft sleeve 44 is disposed between the connecting plate 3 and the first fastening member 43, specifically, a mounting hole of the shaft sleeve 44 is disposed on the connecting plate 3, the shaft sleeve 44 is fixedly mounted in the mounting hole, the diameter of the shaft sleeve 44 matches the size of the first fastening member 43, the first fastening member 43 penetrates the shaft sleeve 44 to be connected with the second steel plate 42 below, and the shaft sleeve 44 is used for isolating the first fastening member 43 from directly contacting the connecting plate 3. During fixed connection, the first steel plate 41, the second steel plate 42 and the connecting plate 3 are respectively connected by one side coated with structural adhesive and are adhered to the connecting plate 3 together with the shaft sleeve 44, so that the contact area between the first steel plate 41, the second steel plate 42 and the connecting plate 3 and the contact area between the shaft sleeve 44 and the connecting plate 3 are increased. Be provided with on the base of unit steelframe 2 with first fastener 43 diameter assorted through-hole, first fastener 43 runs through first steel sheet 41, second steel sheet 42, axle sleeve 44 and the base of unit steelframe 2, and first fastener 43 and second steel sheet 42 threaded connection fix connecting plate 3 on unit steelframe 2. In the present embodiment, the type of the first fastening member 43 is not limited, and the first fastening member 43 may be a connecting bolt, or may be another fixing device with a thread structure, as long as the first fastening member is provided with a thread and is in matching threaded connection with the second steel plate 42. The specific type of structural adhesive is not limited, and in the present embodiment, a high performance silicone structural adhesive may be used, and a neutral transparent silicone structural adhesive may also be used.

Referring to fig. 4, in another embodiment, the connecting plate 3 is connected to the cover 1 through a connecting device 4. The connecting device 4 is identical in structure to the connecting device of the previous embodiment, but the mounting position in the connecting device 4 is different. In this embodiment, the second steel plate 42 of the connecting device 4 is fixedly installed at the outer side of the bottom of the cover body 1. Preferably, the bottom of the cover 1 is provided with a protrusion 7, and the connecting plate 3 is mounted on the protrusion 7 through the connecting device 4. For example, the first steel plate 41 is coated with structural adhesive on the side connected to the connecting plate 3, and the second steel plate 42 is coated with structural adhesive on the side connected to the outer side of the protrusion 7. Specifically, the connecting plate 3 and the protrusion 7 are respectively provided with a mounting hole of the shaft sleeve 44, and the shaft sleeve 44 is fixedly mounted in the mounting hole. The first fastening member 43 penetrates the first steel plate 41, the connecting plate 3, the boss 7 and the second steel plate 42 in sequence, and fixes the connecting plate 3 on the boss 7 by being in threaded connection with the second steel plate 42.

Referring to fig. 1 and 2, in an embodiment, the assembly steel frame 2 includes a top plate, a base, and a web connecting the top plate and the base, and the web is fixedly connected to the top plate and the base to form an i-shaped structure. One side that unit steelframe 2 is close to the cover body 1 lateral wall is provided with third steel sheet 5, and the both ends of third steel sheet 5 are fixed respectively on the roof and the base of unit steelframe 2, are provided with second fastener 6 on the lateral wall of the cover body 1, and unit steelframe 2 is fixed on the lateral wall of the cover body 1 through being connected of third steel sheet 5 and second fastener 6. Preferably, the height a of the base of the unit steel frame 2 from the bottom of the cover body 1 and the height h of the protrusion 7 at the bottom of the cover body 1 are kept consistent (the two ends and the middle part of the connecting plate are on the same horizontal line), so that the connecting plate 3 can better disperse connecting stress, and the cabin cover is prevented from cracking if the height a of the base of the unit steel frame 2 from the bottom of the cover body 1 and the height h of the protrusion 7 at the bottom of the cover body 1 are different greatly, and the connecting plate 3 cannot play a role.

The utility model discloses in, connecting plate 3 can adopt the glass steel connecting plate. The glass fiber reinforced plastic has small density and light weight, and the glass fiber reinforced plastic is selected as the connecting plate 3, so that the phenomenon that the weight is increased too much and the burden of the cover body 1 is increased can be avoided; and the glass fiber reinforced plastic has high strength, so that the connection stress between the unit steel frame 2 and the cover body 1 can be well dispersed.

The utility model discloses cabin cover is at the bottom erection joint board of the cover body, is connected the both ends of connecting plate with the unit steelframe of both sides respectively. And a connecting device is arranged at a connecting point of the connecting plate and the bottom of the unit steel frame and the cover body, and the connecting plate is connected with the bottom of the unit steel frame and the cover body through the connecting device. The problem of the unit steelframe stress concentration when directly connecting with the cover body and lead to the cover body junction easy fracture is solved, the bearing capacity of cabin cover has been improved. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A nacelle cover, comprising:

a cover body;

the at least two groups of unit steel frames are arranged inside the cover body and are respectively and fixedly connected with the side walls of the two sides of the cover body;

and the connecting plates are arranged on the cover body, and two ends of each connecting plate are respectively connected with the unit steel frames on two sides.

2. The nacelle cover of claim 1, wherein the connecting plate is connected to the cover and the generator set steel frame by a connecting device, the connecting device includes a first steel plate, a second steel plate, and a first fastener, the first steel plate is disposed above the connecting plate and is fixedly connected to the connecting plate, the second steel plate is disposed below the connecting plate or outside the bottom plate of the cover and is fixedly connected to the connecting plate or the bottom plate of the cover, and the first fastener penetrates through the first steel plate, the connecting plate, and the second steel plate to fix the connecting plate to the generator set steel frame and the cover.

3. The nacelle cover of claim 2, wherein the connection device further comprises a bushing, the bushing being fixedly mounted on the connection plate, the first fastening member being fixed to the connection plate by the bushing.

4. The nacelle cover according to claim 2, wherein the first fastener is provided with external threads, the second steel plate is provided with a threaded hole matched with the first fastener, and the connecting device fixes the connecting plate on the unit steel frame and the cover body by threaded connection of the first fastener and the second steel plate.

5. Nacelle cover according to claim 2, wherein the cover is provided with a protrusion at its bottom, and wherein the connection plate is mounted on the protrusion by means of the connection means.

6. The nacelle cover of claim 1, wherein the unit steel frame comprises a top plate and a base, and a web connecting the top plate and the base, wherein the web is fixedly connected with the top plate and the base to form an I-shaped structure.

7. The nacelle cover of claim 1, wherein a third steel plate is disposed on a side of the unit steel frame close to the side wall of the cover, a second fastening member is disposed on the side wall of the cover, and the unit steel frame is fixed to the side wall of the cover by connecting the third steel plate and the second fastening member.

8. The nacelle cover of claim 5, wherein the height of the base of the crew steel frame from the bottom of the cover matches the height of the protrusion.