阅读说明：本技术 一种机舱罩 (Cabin cover ) 是由 刘文叶 于 2021-01-26 设计创作，主要内容包括：本发明涉及风力发电设备技术领域,尤其是一种机舱罩,包括机舱下罩,所述机舱下罩上方连接有机舱上罩,所述机舱上罩包括左机舱上罩和右机舱上罩,所述左机舱上罩和右机场上罩互为镜像,所述左机舱上罩、右机舱上罩和机舱下罩之间分别通过驱动机构连接,所述驱动机构包括连接在机舱上罩和机舱下罩内侧之间的驱动连杆和从动连杆,所述驱动连杆和从动连杆长度相等,所述驱动连杆的两端点和从动连杆的两端点的两线组成平行四边形,所述平行四边形的两条边与水平面平行,驱动连杆的两端点和从动连杆的两端点的两线组成平行四边形,使得机舱上罩在打开的时候不会产生翻转,能够平滑的开启闭合,减少开启闭合中的振动,减小对其他设备的影响。(The invention relates to the technical field of wind power generation equipment, in particular to a cabin cover, which comprises a cabin lower cover, wherein a cabin upper cover is connected above the cabin lower cover, the cabin upper cover comprises a left cabin upper cover and a right cabin upper cover, the left cabin upper cover and the right airport upper cover are mirror images, the left cabin upper cover, the right cabin upper cover and the cabin lower cover are respectively connected through a driving mechanism, the driving mechanism comprises a driving connecting rod and a driven connecting rod which are connected between the cabin upper cover and the inner side of the cabin lower cover, the driving connecting rod and the driven connecting rod are equal in length, two ends of the driving connecting rod and two lines of two ends of the driven connecting rod form a parallelogram, two edges of the parallelogram are parallel to a horizontal plane, two ends of the driving connecting rod and two lines of two ends of the driven connecting rod form the parallelogram, so that the cabin upper cover cannot turn over when being opened, the opening and closing can be smooth, vibration in the opening and closing process is reduced, and the influence on other equipment is reduced.)

1. A nacelle cover, characterized by: the aircraft cabin upper cover comprises a left aircraft cabin upper cover and a right aircraft cabin upper cover which are mirror images, and the left aircraft cabin upper cover, the right aircraft cabin upper cover and the aircraft cabin lower cover are connected through a driving mechanism respectively.

2. The nacelle cover according to claim 1, wherein: the driving mechanism comprises a driving connecting rod and a driven connecting rod which are connected between the inner sides of the upper cabin cover and the lower cabin cover, the driving connecting rod and the driven connecting rod are respectively hinged with the upper cabin cover and the lower cabin cover, the lengths of the driving connecting rod and the driven connecting rod are equal, two lines of two end points of the driving connecting rod and two end points of the driven connecting rod form a parallelogram, and two edges of the parallelogram are parallel to the horizontal plane.

3. A nacelle cover as claimed in claim 3, wherein: when the left cabin upper cover and the right cabin upper cover are closed, the two driving connecting rods are in an inverted V shape.

4. The nacelle cover according to claim 4, wherein: the driving connecting rod is connected with a push rod, and the other end of the push rod is connected to the lower cover of the engine room.

5. The nacelle cover according to claim 5, wherein: the inner side of the lower cover of the engine room is provided with a mounting seat, the push rod is connected with the mounting seat through an earring, and the push rod is connected with the driving connecting rod through the earring.

6. A nacelle cover as claimed in claim 2, wherein: the driving mechanism comprises a mounting seat connected to the outer side of the upper cover of the engine room and a mounting seat connected to the outer side of the lower cover of the engine room, and the mounting seat on the outer side of the upper cover of the engine room and the mounting seat on the outer side of the lower cover of the engine room are connected through a push rod.

7. The nacelle cover according to claim 7, wherein: the push rod is connected with the mounting seat through an earring.

8. The nacelle cover of claim 8, wherein: the upper cabin cover and the lower cabin cover are connected through a hinge.

9. The nacelle cover according to claim 9, wherein: the length of the mounting seat on the upper cover of the engine room is larger than that of the mounting seat on the lower cover of the engine room.

Technical Field

The invention relates to the technical field of wind power generation equipment, in particular to a cabin cover.

Background

When a cabin of a wind driven generator is mounted on a high-altitude tower, and parts (such as a gearbox part, a generator part, a control cabinet and the like) inside the cabin are damaged, the existing technology is to hoist an upper cover of the cabin by means of a ground crane, and then to operate new parts inside the cabin for maintenance and replacement.

The ground crane is adopted to lift the cabin upper cover, and the following defects exist: 1. the use cost of the ground crane is very high, and the maintenance cost is undoubtedly increased; 2. the ground crane is greatly influenced by weather conditions (the ground crane cannot be hoisted when the wind speed exceeds 10m/s, and cannot be hoisted when raining), the application range is limited, and the maintenance efficiency is influenced; 3. when the ground crane is used, a tooling frame needs to be erected, the occupied space is large, the erecting process is complex, and the construction time is long.

Disclosure of Invention

The purpose of the invention is: the defects in the prior art are overcome, and the cabin cover is not required to be detached when being maintained, so that a ground crane is not required, the maintenance cost is reduced, and the maintenance efficiency is improved.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the engine room cover comprises an engine room lower cover, an engine room upper cover is connected to the upper portion of the engine room lower cover, the engine room upper cover comprises a left engine room upper cover and a right engine room upper cover, and the left engine room upper cover and the right engine room upper cover are mirror images.

Furthermore, the left cabin upper cover, the right cabin upper cover and the cabin lower cover are respectively connected through a driving mechanism.

Furthermore, the driving mechanism comprises a driving connecting rod and a driven connecting rod which are connected between the inner sides of the upper cover and the lower cover of the engine room, the driving connecting rod and the driven connecting rod are equal in length, two lines of two end points of the driving connecting rod and two end points of the driven connecting rod form a parallelogram, and two sides of the parallelogram are parallel to the horizontal plane.

Furthermore, when the left cabin upper cover and the right cabin upper cover are closed, the two driving connecting rods are in an inverted V shape.

Furthermore, the driving connecting rod is connected with a push rod, and the other end of the push rod is connected to the lower cover of the engine room.

Further, the inner side of the lower cover of the engine room is provided with a mounting seat, the push rod is connected with the mounting seat through an earring, and the push rod is connected with the driving connecting rod through the earring.

Furthermore, the driving mechanism comprises an installation seat connected to the outer side of the upper cover of the engine room and an installation seat connected to the outer side of the lower cover of the engine room, and the installation seat on the outer side of the upper cover of the engine room and the installation seat on the outer side of the lower cover of the engine room are connected through a push rod.

Furthermore, the push rod is connected with the mounting seat through an earring.

Further, the upper cabin cover and the lower cabin cover are connected through a hinge.

Further, the length of the mounting seat on the upper cover of the engine room is larger than that of the mounting seat on the lower cover of the engine room.

The technical scheme adopted by the invention has the beneficial effects that:

1. the openable cabin upper cover enables the maintenance of the parts in the cabin to be carried out without dismounting the cabin upper cover through a ground crane, and the maintenance of the parts in the cabin can be carried out only by opening the cabin upper cover.

2. Two lines of two end points of the driving connecting rod and two end points of the driven connecting rod form a parallelogram, so that the upper cover of the engine room cannot turn over when being opened, the upper cover can be smoothly opened and closed, vibration in opening and closing is reduced, and influence on other equipment is reduced.

3. The push rod is used for opening and closing the upper cover of the engine room, so that the opening and closing of the upper cover of the engine room can be remotely controlled, manpower is saved, and the wind power generation management is closer to automation.

4. The inverted V-shaped driving connecting rod enables the push rod to achieve the opening and closing functions of the upper cover of the cabin with small force, and manufacturing cost is reduced.

5. The cabin upper cover connected through the hinge can obtain a larger opening angle, and is convenient for heat dissipation and equipment maintenance.

6. The length of the mounting seat on the upper cover of the engine room is larger than that of the mounting seat on the lower cover of the engine room, so that the push rod can realize the opening and closing functions of the upper cover of the engine room with smaller force, and the manufacturing cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein

FIG. 1 is a cross-sectional view of an upper nacelle cover in a closed state according to embodiment 1;

FIG. 2 is a cross-sectional view showing the upper nacelle cover of embodiment 1 in a closed and opened state;

FIG. 3 is a cross-sectional view showing a closed state of an upper nacelle cover according to embodiment 2;

FIG. 4 is a cross-sectional view showing the upper nacelle cover of embodiment 2 in a closed and open state;

11-left cabin upper cover 12-right cabin upper cover 2-cabin lower cover 31-driving connecting rod 32-driven connecting rod 4-push rod 5-mounting seat 6-ear ring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. The present invention is described in detail by using schematic structural diagrams and the like, which are only examples and should not limit the protection scope of the present invention. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.

Referring to fig. 1 to 4, a nacelle cover includes a lower nacelle cover 2, an upper nacelle cover is connected above the lower nacelle cover 2, the upper nacelle cover includes a left upper nacelle cover 11 and a right upper nacelle cover 12, and the left upper nacelle cover 11 and the right upper nacelle cover are mirror images of each other. The left cabin upper cover 11, the right cabin upper cover 12 and the cabin lower cover 2 are connected through a driving mechanism respectively.

Example 1

As shown in fig. 1 and 2, the driving mechanism includes a driving link 31 and a driven link 32 connected between the inner sides of the upper nacelle cover and the lower nacelle cover 2, the driving link 31 and the driven link 32 are connected to the upper nacelle cover and the lower nacelle cover 2 through pins, the driving link 31 and the driven link 32 have the same length, two lines of two end points of the driving link 31 and two end points of the driven link 32 form a parallelogram, and two sides of the parallelogram are parallel to a horizontal plane. Two lines of two end points of the driving connecting rod 31 and two end points of the driven connecting rod 32 form a parallelogram, so that the upper cover of the engine room cannot be turned over when being opened, the upper cover can be smoothly opened and closed, vibration in opening and closing is reduced, and influence on other equipment is reduced. When the left cabin upper cover 11 and the right cabin upper cover 12 are closed, the two driving connecting rods 31 are in an inverted V shape, and the inverted V-shaped driving connecting rods 31 enable the push rod 4 to realize the opening and closing functions of the cabin upper cover with small force, so that the manufacturing cost is reduced.

The driving connecting rod 31 is connected with a push rod 4, the other end of the push rod 4 is connected to the lower cover 2 of the engine room, and the push rod 4 can be an electric push rod 4 or a hydraulic oil cylinder. Cover 2 inboard is equipped with mount pad 5 under the cabin, be connected through earrings 6 between push rod 4 and the mount pad 5, be connected through earrings 6 between push rod 4 and the drive connecting rod 31, inserted the round pin axle between the earrings 6. The push rod 4 is used for opening and closing the upper cover of the engine room, so that the opening and closing of the upper cover of the engine room can be remotely controlled, manpower is saved, and the wind power generation management is closer to automation.

The embodiment controls the push rod 4 to extend the piston rod when the upper cabin cover needs to be opened, and controls the push rod 4 to retract the piston rod when the upper cabin cover needs to be closed.

Example 2

As shown in fig. 3 and 4, the driving mechanism includes a mounting seat 5 connected to the outer side of the nacelle upper cover, a mounting seat 5 connected to the outer side of the nacelle lower cover 2, and the two mounting seats 5 are connected by a push rod 4. The push rod 4 is connected with the mounting seat 5 through an ear ring 6. The push rod 4 can be an electric push rod 4 or a hydraulic oil cylinder, and a pin shaft is inserted between the ear rings 6. The upper and lower nacelle covers 2 are connected by hinges. If the hinge is not installed, rubber pads are required to be arranged on the left lower edge of the left upper cabin cover and the right lower edge of the right upper cabin cover, and the service lives of two edges serving as supporting points are guaranteed. The length of the mounting seat 5 on the upper cover of the engine room is greater than that of the mounting seat 5 on the lower cover 2 of the engine room, and the length of the mounting seat 5 on the upper cover of the engine room is greater than that of the mounting seat 5 on the lower cover 2 of the engine room, so that the push rod 4 can realize the opening and closing functions of the upper cover of the engine room with smaller force, and the manufacturing cost is reduced.

The embodiment controls the push rod 4 to retract the piston rod when the upper cabin cover needs to be opened, and controls the push rod 4 to extend the piston rod when the upper cabin cover needs to be closed.

The mounting seats 5 in embodiment 1 are respectively arranged on the front and rear inner walls of the upper and lower nacelle covers 2, and the mounting seats 5 in embodiment 2 are arranged on the side outer walls of the upper and lower nacelle covers 2, which may be arranged in the middle of the side outer walls or symmetrically arranged on the front and rear outer walls.

The push rod 4 in the embodiments 1 and 2 is a hydraulic cylinder, the tail part of the hydraulic cylinder and the top end of a piston rod are designed by using a single lug ring 6, specifically, the design can be designed by referring to GB/T14036-93 or GB/T14042-93, and the mounting base 5 is designed by using a double lug ring 6 matched with the hydraulic cylinder.

In the embodiments 1 and 2, rubber protective strips are arranged on the edges of the upper cabin cover, the right upper cabin cover 12 and the lower cabin cover 2, so that rigid collision generated during closing is reduced, and vibration is reduced.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.