Cabin cover moving device

Abstract

The utility model provides a cabin cover moving device which comprises a jacking mechanism which is fixedly installed in a cabin, used for moving a cabin cover in the vertical direction and comprises an upper stand column and a lower stand column, and the upper stand column is suitable for moving in the lower stand column in the vertical direction; the tug mechanism is detachably connected with the jacking mechanism and comprises a tug frame and tugs, a tug groove is formed in one end of the tug frame, and the tugs are arranged in the tug groove and rotationally connected with the tug frame; the other end of the tug frame is connected with the lower upright; when the cabin cover is moved, the upper stand column vertically moves upwards, the cabin cover is jacked upwards, the cabin cover is separated from the cabin shell, and an operation space is formed. The end, provided with the tug groove, of the tug frame is arranged above the connecting flange. The upper stand column vertically moves downwards, so that the mounting flange is arranged on the tug; when the cabin cover is pushed, the cabin cover moves along the tug groove along with the tug.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wind power generation technical field, especially relate to a cabin cover moving device. BACKGROUND

[0002] With the increasing of wind turbine installed capacity and the increasing of wind turbine service life year by year, the wind turbine needs to replace parts, especially needs to replace blades, and the wind turbine includes a tower fixed on the ground, a cabin installed on the top of the tower, a hub installed on the cabin, and blades installed on the hub; the hub is arranged at one end in the cabin shell, and the blades are connected to the hub outside the cabin shell.

[0003] Because the blades are heavy and the height of the tower is high, the wind turbine usually uses a large truck crane to replace the blades, and a crawler crane is needed to replace the blades for a large megawatt high tower fan, and a leg ship is needed to replace the blades for an offshore wind turbine. However, the use of large hoisting equipment not only generates high hoisting cost, but also is subject to environmental conditions. Therefore, the tower crane installed on the cabin is used to replace the blades, and the installation of the tower crane requires moving the cabin cover to provide installation space for the tower crane. How to move the cabin cover without using a large ground crane is a problem to be solved.

[0004] Therefore, it is necessary to provide a cabin cover moving device to move the cabin cover without using a large ground crane. UTILITY MODEL CONTENTS

[0005] The utility model provides a cabin cover moving device to realize stable and reliable movement of the cabin cover without using a large ground crane.

[0006] To achieve the above purpose, the utility model provides the following technical scheme.

[0007] A cabin cover moving device, the cabin cover is arranged on the cabin shell, the top edge of the cabin shell is formed with a connecting flange, and the bottom edge of the cabin cover is formed with a mounting flange; characterized by comprising:

[0008] A jacking mechanism is fixedly installed in the cabin and used to move the cabin cover in the vertical direction, comprising an upper stand column and a lower stand column, and the upper stand column is adapted to move in the vertical direction in the lower stand column;

[0009] A tug wheel mechanism is detachably connected with the jacking mechanism, comprising a tug wheel frame and a tug wheel, one end of the tug wheel frame is provided with a tug wheel groove, the tug wheel is arranged in the tug wheel groove and rotationally connected with the tug wheel frame, and the other end of the tug wheel frame is connected with the lower stand column;

[0010] When the cabin cover is moved, the upper stand column moves vertically upward, jacks up the cabin cover upward, so that the cabin cover is separated from the cabin shell and forms an operation space; one end of the tug wheel groove of the tug wheel frame is arranged above the connecting flange; the upper stand column moves vertically downward, so that the mounting flange is arranged on the tug wheel; the cabin cover is pushed, and the cabin cover moves along the tug wheel groove with the tug wheel.

[0011] Preferably, the tug wheel is arranged vertically to the extension direction of the tug wheel groove, and both ends of the tug wheel are rotatably connected with the side walls of the tug wheel groove; the extension direction of the tug wheel groove is consistent with the length direction of the cabin shell, and the cabin cover moves along the length direction of the cabin shell.

[0012] Preferably, the tug wheel is a plurality of, and the plurality of tug wheels are arranged in sequence and parallel on the same plane.

[0013] Preferably, the lower stand column comprises a lower column body, a lifting driving structure and a connecting column body connected in sequence, the connecting column body is a hollow structure, the upper stand column is inserted into the connecting column body to connect the lifting driving structure, and the lifting driving structure drives the upper stand column to move vertically along the connecting column body.

[0014] Preferably, the lower stand column is arranged in a lower fixed seat, the bottom end of the lower column body is connected with the fixed seat through a pin shaft, the fixed seat is connected with a moving driving structure, and the moving driving structure drives the lower column body to move along the pin shaft in the fixed seat.

[0015] Preferably, the lifting driving structure adopts a turbine screw rod driving or a hydraulic cylinder driving, and the lifting driving structure is provided with a driving handle, and the vertical movement of the upper stand column relative to the lower stand column is realized by shaking the driving handle.

[0016] Preferably, the anti-overturning assembly further comprises a wheel set, the wheel set is arranged on the inner wall of the tug wheel groove close to the cabin, and the wheel set is located above the mounting flange.

[0017] Preferably, the top of the upper stand column is provided with a soft supporting structure; the soft supporting structure comprises a jacking seat, and the top of the jacking seat is provided with a soft gasket.

[0018] Preferably, the top end of the upper stand column is provided with a universal ball hinge, and the universal ball hinge is hinged with the jacking seat.

[0019] For example, the utility model discloses a mobile device, set jacking mechanism and tug mechanism, through jacking mechanism realizes the movement of the vertical direction of cabin cover, when cabin cover is separated from cabin shell, install tug mechanism, set up the flange in the tug mechanism, through the rotation of the tug wheel and drive cabin cover to move, realize the movement of cabin cover without using large ground crane,

[0020] For example, the utility model sets up anti-overturning assembly, prevents the overturning of cabin cover, and is more stable and reliable to move,

[0021] For example, the utility model sets up soft support structure on the top of jacking mechanism, realizes the soft support with the inner wall of cabin cover, reduces the influence to the inner surface of cabin cover, the top of jacking mechanism is connected with soft support structure through universal ball hinge, when the inner surface of cabin cover is arc, can adjust the angle of soft support structure adaptively, avoids the damage of stress concentration point on the inner surface of cabin cover to cabin cover. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of cabin in the utility model embodiment,

[0023] Figure 2 It is the connection schematic diagram of cabin shell and cabin cover in the utility model embodiment,

[0024] Figure 3 It is the separation schematic diagram of cabin shell and cabin cover in the utility model embodiment,

[0025] Figure 4 It is the schematic diagram of multiple mobile devices being set up in cabin in the utility model embodiment,

[0026] Figure 5 It is the structure schematic diagram of mobile device in the utility model embodiment,

[0027] Figure 6 It is the structure schematic diagram of jacking mechanism in the utility model embodiment,

[0028] Figure 7 It is the structure schematic diagram of tug mechanism in the utility model embodiment,

[0029] Figure 8 It is the schematic diagram of cabin cover being set up in tug wheel in the utility model embodiment,

[0030] Figure 9 It is the side view of cabin cover being set up in tug wheel in the utility model embodiment,

[0031] Figure 10 It is the schematic diagram of cabin cover mobile device installation completion in the utility model embodiment.

[0032] EXPLANATION OF REFERENCE NUMERALS:

[0033] 1 -nacelle cover; 11 -mounting flange; 12 -rain gutter;

[0034] 2 -nacelle housing; 21 -connecting flange;

[0035] 3 -jacking mechanism; 31 -upper column; 311 -universal ball hinge; 32 -lower column; 321 -lower column body; 322 -lifting drive structure; 323 -connecting column body; 33 -soft support structure; 331 -jacking seat; 332 -soft gasket; 34 -lower fixing seat; 341 -pin shaft;

[0036] 4 -towing mechanism; 41 -towing frame; 411 -towing groove; 42 -towing wheel;

[0037] 6 -anti-overturning assembly; 61 -wheel set. DETAILED DESCRIPTION

[0038] To make the purpose, features and beneficial effects of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. It can be understood that the specific embodiments described below are only used to explain the present application, but not to limit the present application. In the drawings, the same or similar reference signs can be used to refer to the same or similar elements in different embodiments, and the description of the same or similar elements in different embodiments and the description of prior art elements, features, effects, etc. can be omitted.

[0039] Referring to Figures 1 to 3 , the nacelle cover 1 is arranged on the nacelle housing 2 to close the nacelle housing 2, the top edge of the nacelle housing 2 is inwardly bent to form a connecting flange 21, the bottom edge of the nacelle cover 1 is inwardly bent to form a mounting flange 11, and the nacelle cover 1 and the nacelle housing 2 are fixedly connected through mounting bolts passing through the mounting flange 11 and the connecting flange 21.

[0040] Referring to Figures 4 to 10 , the present application provides a nacelle cover moving device.

[0041] Specifically, the nacelle cover moving device is arranged on both sides of the nacelle, and the moving device comprises:

[0042] The jacking mechanism 3 is fixedly installed in the nacelle and is used to move the nacelle cover 1 in the vertical direction, and comprises an upper column 31 and a lower column 32, the upper column 31 is adapted to move in the vertical direction in the lower column 32;

[0043] The towing mechanism 4 is arranged on one side of the jacking mechanism 3 and is detachably connected with the jacking mechanism 3, and comprises a towing frame 41 and a towing wheel 42, one end of the towing frame 41 is provided with a towing groove 411, and the towing wheel 42 is arranged in the towing groove 411 and is rotatably connected with the towing frame 41; the other end of the towing frame 41 is connected with the lower column 32;

[0044] When the mobile nacelle cover 1 is moved, the upper column 31 is vertically moved upward, so that the nacelle cover 1 is separated from the nacelle shell 2 and an operation space is formed; one end of the tugger wheel rack 41 is arranged above the connecting flange 21; the upper column 31 is vertically moved downward, so that the mounting flange 11 is arranged on the tugger wheel 42; the nacelle cover 1 is pushed, and the nacelle cover 1 moves along the tugger wheel rack 411 with the tugger wheel 42.

[0045] In some embodiments, the tugger wheel 42 is arranged perpendicular to the extension direction of the tugger wheel rack 411, and the two ends of the tugger wheel 42 are respectively rotationally connected with the side walls of the tugger wheel rack 411; the extension direction of the tugger wheel rack 411 is consistent with the length direction of the nacelle shell 2, and the nacelle cover 1 moves along the length direction of the nacelle shell 2.

[0046] In some embodiments, the tugger wheel 42 is a plurality of, and the plurality of tugger wheels 42 are sequentially and parallel arranged on the same plane.

[0047] In some embodiments, the lower column 32 comprises a lower column body 321, a lifting driving structure 322 and a connecting column body 323 connected in sequence, the connecting column body 323 is a hollow structure, the upper column 31 is inserted into the connecting column body 323 to connect the lifting driving structure 322, and the lifting driving structure 322 drives the upper column 31 to move vertically along the connecting column body 323.

[0048] In some embodiments, the lifting driving structure 322 is provided with a driving handle, and the vertical movement of the upper column 31 relative to the lower column 32 is realized by shaking the handle; the lifting driving structure 322 can adopt a worm screw drive or a hydraulic cylinder drive, and can also adopt other similar mechanisms that can achieve the function.

[0049] In some embodiments, the lower column 32 is arranged in the lower fixed seat 34, the bottom end of the lower column body 321 is connected with the fixed seat 34 through a pin shaft 341, the fixed seat 34 is connected with a moving driving structure (not shown), and the moving driving structure drives the lower column body 321 to move in the fixed seat 34 along the pin shaft 341.

[0050] Specifically, the moving driving structure can adopt a worm screw drive or a hydraulic cylinder drive, or it can adopt other similar mechanisms that can achieve the function, which is not limited here.

[0051] Specifically, in some embodiments, the front end of the nacelle cover 1 is provided with a rainwater groove 12, and the blades extend to the rainwater groove 12 at the joint of the blades and the nacelle cover when the blades are connected to the hub. When the nacelle cover 1 is jacked upward, the nacelle cover 1 is separated from the nacelle shell 2, and due to the obstruction of the joint of the blades and the nacelle cover 1, sufficient operation space cannot be formed between the nacelle cover 1 and the nacelle shell 2. Therefore, after the nacelle cover 1 is jacked upward by a small height so that the nacelle cover 1 is separated from the nacelle shell 2, the moving driving structure is operated to drive the lower column 321 to move along the pin shaft 341 in the fixed seat 34, so that the jacking mechanism 3 drives the nacelle cover 1 to move in the length direction, avoiding the obstruction of the joint of the blades and the nacelle cover 1. Further jacking of the nacelle cover 1 is performed, so that the nacelle cover 1 and the nacelle shell 2 form sufficient operation space.

[0052] In some embodiments, the moving device further comprises an anti-overturning assembly 6, and the anti-overturning assembly 6 comprises a wheel set 61 arranged on the inner wall of the trailing wheel groove 411 close to one side of the nacelle. The wheel set 61 is located above the mounting flange 11 and guides and blocks the overturning of the nacelle cover 1 when the nacelle cover 1 moves.

[0053] In some embodiments, the top of the upper stand column 31 is provided with a soft support structure 33, and the soft support structure 33 comprises a jacking seat 331 and a soft gasket 332 arranged at the top of the jacking seat 331. The top end of the upper stand column 31 is provided with a universal ball hinge 311 which is hinged to the jacking seat 331.

[0054] Specifically, the nacelle cover 1 is made of glass fiber reinforced plastic, the soft gasket 332 realizes soft support with the inner wall of the nacelle cover 1, and the influence on the inner surface of the nacelle cover 1 is reduced. The universal ball hinge 311 connects the soft support structure 33, and when the inner surface of the nacelle cover 1 is arc-shaped, the angle of the soft support structure 33 can be adaptively adjusted, so that damage to the nacelle cover 1 caused by stress concentration points formed on the inner surface of the nacelle cover 1 is avoided.

[0055] In order to further illustrate the utility model, an operation method of the nacelle cover moving device is also provided, which comprises the following steps:

[0056] A jacking mechanism 3 is provided and fixed to the nacelle at the set positions on both sides;

[0057] An elevating driving structure 322 is operated to drive the upper stand column 31 to move vertically upward, so that the soft support structure 33 contacts the inner wall of the nacelle cover 1. The nacelle cover 1 is jacked upward, so that the nacelle cover 1 is separated from the nacelle shell 2 and an operation space is reserved.

[0058] A trailing wheel mechanism 4 is provided and installed on one side of the jacking mechanism 3 close to the nacelle cover 1, and one end of the trailing wheel frame 41 provided with the trailing wheel groove 411 is arranged above the connecting flange 21.

[0059] The lifting driving structure 322 is operated to drive the upper stand column 31 to move vertically downward, so that the mounting flange 11 is arranged on the tugger 42, at this time, the soft supporting structure 33 is separated from the nacelle cover 1;

[0060] The anti-overturning assembly 6 is arranged to fix the wheel set 61 on the inner wall of the tugger groove 411 close to one side of the nacelle, and the wheel set 61 is arranged above the mounting flange 11;

[0061] The nacelle cover 1 is pushed to move along with the tugger 42 in the tugger groove 411.

[0062] In summary, the nacelle cover moving device provided by the utility model sets the jacking mechanism 3 and the tugger mechanism 4, realizes the movement of the nacelle cover 1 in the vertical direction through the jacking mechanism 3, installs the tugger mechanism 4 when the nacelle cover 1 is separated from the nacelle shell 2, arranges the mounting flange 11 on the tugger mechanism 4, and moves the nacelle cover 1 through the rotation of the tugger 42; the movement of the nacelle cover 1 is realized without using a large ground crane;

[0063] For example, the utility model sets the anti-overturning assembly to prevent the nacelle cover 1 from overturning, and the movement is more stable and reliable;

[0064] For example, the utility model sets the soft supporting structure 33 on the top of the jacking mechanism 3 to realize the soft support of the inner wall of the nacelle cover 1, reduces the influence on the inner surface of the nacelle cover 1, and the universal ball hinge 311 on the top of the jacking mechanism 3 is connected with the soft supporting structure 33, when the inner surface of the nacelle cover 1 is arc-shaped, the angle of the soft supporting structure 33 can be adaptively adjusted, so that the damage of the nacelle cover 1 caused by the stress concentration point formed on the inner surface of the nacelle cover 1 is avoided.

[0065] Although the specific embodiments have been described above, these embodiments are not intended to limit the scope of the utility model disclosed, even if a single embodiment is described only with respect to a particular feature. The feature examples provided in the utility model disclosure are intended to be illustrative rather than limiting, unless otherwise stated. In the specific implementation, one or more technical features of the dependent claims can be combined with the technical features of the independent claims according to the actual needs, and the technical features can be derived from the corresponding independent claims by any appropriate means rather than only by the specific combinations listed in the claims.

Claims

1. A nacelle cover moving device, a nacelle cover is provided on a nacelle shell, a top edge of the nacelle shell is formed with a connecting flange, and a bottom edge of the nacelle cover is formed with a mounting flange; characterized in that, The utility model relates to a kind of mobile cabin lifting mechanism, including: Jack-up mechanism, fixedly installed in cabin, to vertically move cabin cover, including upper column and lower column, the upper column is adapted to in the lower column vertically moves; Tug mechanism, detachably connected with the jack-up mechanism, including tug frame and tug, one end of the tug frame is provided with tug slot, the tug is arranged in the tug slot and is rotatably connected with the tug frame;The other end of the tug frame is connected with the lower column; When the cabin cover is moved, the upper column vertically moves upwards, the cabin cover is jacked up upwards, so that the cabin cover is separated from cabin shell and forms operation space;The one end of the tug frame provided with the tug slot is arranged above the connecting flange;The upper column vertically moves downwards, so that the mounting flange is arranged on the tug; Push the cabin cover, and the cabin cover moves along the tug slot with the tug.

2. The nacelle cover moving device according to claim 1, characterized in that, The tug is arranged perpendicular to the extension direction of the tug slot, and the two ends of the tug are rotatably connected with the side walls of the tug slot respectively;The extension direction of the tug slot is consistent with the length direction of the cabin shell, and the cabin cover moves along the length direction of the cabin shell.

3. The nacelle cover moving device according to claim 2, characterized in that, The tug is a plurality of, and a plurality of tugs are sequentially and parallelly arranged on the same plane.

4. The nacelle cover moving device according to claim 1, characterized in that, The lower column includes sequentially connected lower column body, lifting drive structure and connecting column body, the connecting column body is hollow structure, the upper column is inserted into the connecting column body to connect the lifting drive structure, and the lifting drive structure drives the upper column to vertically move along the connecting column body.

5. The nacelle cover moving device according to claim 4, characterized in that, The lower column is arranged in lower fixed base, the bottom end of the lower column body is connected with the fixed base by pin shaft, the fixed base is connected with movement drive structure, and the movement drive structure drives the lower column body to move along the pin shaft in the fixed base.

6. The nacelle cover moving device according to claim 4, characterized in that, The lifting drive structure uses turbine screw rod drive or hydraulic cylinder drive, and the lifting drive structure is provided with driving handle, and the vertical movement of the upper column relative to the lower column is realized by shaking the driving handle.

7. The nacelle cover moving device according to claim 1, characterized in that, Further including anti-overturning assembly, the wheel set is arranged on the inner wall of the tug slot close to cabin side, and the wheel set is above the mounting flange.

8. The nacelle cover moving device according to claim 1, characterized in that, The top of the upper column is provided with soft support structure;The soft support structure includes jack-up seat, and the top of the jack-up seat is provided with soft gasket.

9. The nacelle cover moving device according to claim 8, characterized in that, The top end of the upper column is provided with universal ball hinge, and the universal ball hinge is hinged with the jack-up seat.

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