Wind power generator cabin hoisting hole uncovering mechanism

Abstract

The utility model discloses a wind power generator cabin hoisting hole uncovering mechanism which comprises an installation ring, an uncovering assembly is installed in the installation ring, the uncovering assembly comprises two sliding grooves formed in the two ends of the outer wall of the top of the installation ring, and an installation block is connected into each sliding groove in a sliding mode. Wherein the inner walls of the two sides of one sliding groove are rotationally connected with the same lead screw, one mounting block is in threaded connection with the exterior of the lead screw, the outer walls of the tops of the two mounting blocks are each fixedly connected with two telescopic rods, and one ends of the tops of the multiple telescopic rods are fixedly connected with the same cover plate. By arranging the cover opening assembly and the protective fence, a worker stands on the inner side of the protective fence to control the motor to be started, a sliding block drives a cover plate to linearly move along a sliding groove, then a hoisting hole can be opened, operation is flexible, convenient and fast, the working efficiency is improved, and the working efficiency is improved. And the safety protection measures are more reasonable.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power equipment, in particular to a cover opening mechanism for a hoisting hole in a wind turbine generator cabin. Background Art

[0002] After being assembled at the whole machine factory, the wind turbine generator set is transported to the wind farm. The upper cover of the nacelle of the wind turbine generator set has a lifting hole, and the lifting tool's lifting belt or lifting chain passes through the lifting hole and is connected and fixed to the casting or large machined parts in the nacelle to achieve the lifting and installation of the wind turbine generator set.

[0003] After searching, a utility model with Chinese patent publication number CN216922369U discloses a wind turbine nacelle cover, comprising: a planar module, which is configured to constitute at least a part of the planar portion of the wind turbine nacelle cover, wherein the sizes of the multiple planar modules are basically the same, and the planar modules include composite material panels.

[0004] For example, in the wind turbine cabin mentioned above, the cover plate of the lifting hole at the rear is easy to slide and fall off during use. At the same time, the workers have difficulty in operating the lifting cover plate, and they need to manually move the cover plate before lifting the goods. Due to the lack of protective measures, falling accidents are easy to occur, posing a great safety hazard. Utility Model Content

[0005] The utility model aims to provide a wind turbine cabin hoisting hole cover opening mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine cabin lifting hole opening mechanism, including a mounting ring, characterized in that: an opening cover assembly is installed inside the mounting ring, and the opening cover assembly includes two slide grooves opened at both ends of the top outer wall of the mounting ring, and a mounting block is slidably connected to each of the two slide grooves, and the inner walls on both sides of one of the slide grooves are rotatably connected to the same screw rod, one of the mounting blocks is threadedly connected to the outside of the screw rod, and the top outer walls of the two mounting blocks are fixedly connected to two telescopic rods, and one end of the top of the multiple telescopic rods is fixedly connected to the same cover plate, and an electric motor is fixedly installed on the outer wall of one side of the mounting ring, and the motor shaft and one end of the screw rod are coaxially fixed.

[0007] As a further preferred embodiment of the present technical solution, the inner walls on both sides of another slide groove are fixedly connected with a same limiting rod, and the other mounting block is slidably sleeved outside the limiting rod.

[0008] The worker stands on the inside of the guardrail to control the start of the motor, so that the slider drives the cover plate to move in a straight line along the slide groove to open the lifting hole. The operation is flexible and convenient, and the safety protection measures are more reasonable. The worker stands on one side of the guardrail and controls the start of the motor outside the mounting ring. The motor shaft can rotate in a slide groove with the lead screw, and the mounting block sliding in the slide groove can be driven by the lead screw to translate. This mounting block can drive the cover plate connected to it to move synchronously through the telescopic rod on its top, and with the cooperation of another mounting block and the limit rod, it can ensure that the movement of the cover plate is more stable, and then the lifting hole of the cabin plate will be exposed.

[0009] As a further preferred embodiment of the present technical solution, the bottom outer wall of the mounting ring is fixedly connected to a cabin plate, and the mounting ring surrounds the outside of the cabin plate lifting hole, and a sealing assembly is installed on the top of the cabin plate, and the sealing assembly is on one side of the mounting ring.

[0010] As a further preferred embodiment of the technical solution, the sealing assembly includes two support plates one fixedly connected to one side of the outer wall of the top of the cabin plate, the same L-shaped flip plate is rotatably connected between the two support plates one, a pressure plate is rotatably connected to one end of the top of the flip plate, the pressure plate is located on one side of the top of the mounting ring, four springs one are installed between the cover plate and the two mounting blocks, and the four springs one are respectively located outside a plurality of telescopic rods.

[0011] As a further preferred embodiment of the technical solution, a second support plate is fixedly connected to one side of the outer wall of the top of the cabin plate, and a second spring is fixedly connected between the second support plate and the flip plate.

[0012] One end of the cover plate squeezes the lower half of the flip plate, and the upper half of the flip plate will flip downward between the two support plates 1. Then the pressure plate rotating at one end of the flip plate will also be squeezed on the top of the cover plate until the thrust of spring 1 is overcome. The cover plate will be tightly squeezed on the top outer wall of the mounting ring, making the two more airtight. Spring 2 can ensure that the flip plate returns to its original position when no force is applied, and will not affect the normal movement of the cover plate.

[0013] As a further preferred embodiment of the present technical solution, a plurality of rollers are rotatably connected inside the pressure plate.

[0014] As a further preferred embodiment of the present technical solution, a guardrail is fixedly connected to the outer wall of the top of the cabin plate, and the guardrail is located on one side of the sealing assembly.

[0015] As a further preferred embodiment of the present technical solution, a rubber sealing pad is provided on the outer wall of the bottom of the cover plate.

[0016] The utility model provides a wind turbine cabin hoisting hole cover opening mechanism, which has the following beneficial effects:

[0017] (1) The utility model provides a cover opening assembly and a guardrail. A worker stands on the inner side of the guardrail to control the start of the motor, so that the slider drives the cover plate to move in a straight line along the slide groove, thereby opening the lifting hole. The operation is flexible and convenient, and the safety protection measures are more reasonable. The worker stands on one side of the guardrail and controls the start of the motor outside the mounting ring. The motor shaft can drive the lead screw to rotate in a slide groove, and the mounting block sliding in the slide groove can be driven by the lead screw to translate. The mounting block can drive the cover plate connected to it to move synchronously through the telescopic rod on its top, and it can ensure the movement of the cover plate more stably with the cooperation of another mounting block and the limit rod, and then the lifting hole of the cabin plate will be exposed.

[0018] (2) The utility model sets a sealing component, and one end of the cover plate squeezes the lower half of the flip plate, and the upper half of the flip plate will flip downward between the two support plates. Then, the pressure plate rotating at one end of the flip plate will also squeeze the top of the cover plate until the thrust of the spring one is overcome. The cover plate will be tightly pressed against the top outer wall of the mounting ring, thereby making the two more airtight. The spring two can ensure that the flip plate returns to its original position when no force is applied, and will not affect the normal movement of the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a partial enlarged structural schematic diagram of the utility model;

[0021] Figure 3 It is an enlarged structural schematic diagram of the sealing component of the utility model;

[0022] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] In the figure: 1. Cabin plate; 2. Guardrail; 3. Mounting ring; 4. Opening assembly; 5. Sealing assembly; 401. Slide groove; 402. Screw rod; 403. Limit rod; 404. Mounting block; 405. Motor; 406. Telescopic rod; 407. Cover plate; 501. Spring 1; 502. Support plate 1; 503. Flip plate; 504. Press plate; 505. Support plate 2; 506. Spring 2; 507. Roller. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 2As shown in Figure 4, in this embodiment, a wind turbine cabin lifting hole opening mechanism includes a mounting ring 3, which is characterized in that: an opening assembly 4 is installed inside the mounting ring 3, and the opening assembly 4 includes two slide grooves 401 opened at both ends of the top outer wall of the mounting ring 3, and a mounting block 404 is slidably connected in the two slide grooves 401, and the inner walls on both sides of one of the slide grooves 401 are rotatably connected to the same screw rod 402, one of the mounting blocks 404 is threadedly connected to the outside of the screw rod 402, and the top outer walls of the two mounting blocks 404 are fixedly connected to two telescopic rods 406, and one end of the top of the multiple telescopic rods 406 is fixedly connected to the same cover plate 407, and a motor 405 is fixedly installed on the outer wall of one side of the mounting ring 3, and the rotating shaft of the motor 405 and one end of the screw rod 402 are coaxially fixed.

[0026] The inner walls on both sides of the other sliding groove 401 are fixedly connected with the same limiting rod 403 , and the other mounting block 404 is slidably sleeved on the outside of the limiting rod 403 .

[0027] The rotating shaft of the motor 405 can drive the screw rod 402 to rotate in a slide groove 401, and the mounting block 404 sliding in the slide groove 401 can be driven by the screw rod 402 to translate. The mounting block 404 can drive the cover plate 407 connected to it to move synchronously through the telescopic rod 406 on its top, and with the cooperation of another mounting block 404 and the limit rod 403, the movement of the cover plate 407 can be ensured to be more stable, and then the lifting hole of the cabin plate 1 will also be exposed.

[0028] like Figure 2 and Figure 3 As shown, the bottom outer wall of the mounting ring 3 is fixedly connected with the cabin plate 1 , and the mounting ring 3 surrounds the outside of the lifting hole of the cabin plate 1 , and a sealing assembly 5 is installed on the top of the cabin plate 1 , and the sealing assembly 5 is located on one side of the mounting ring 3 .

[0029] The sealing assembly 5 includes two support plates 502 fixedly connected to one side of the top outer wall of the cabin plate 1, and the same L-shaped flip plate 503 is rotatably connected between the two support plates 502. A pressure plate 504 is rotatably connected to one end of the top of the flip plate 503. The pressure plate 504 is located on one side of the top of the mounting ring 3. Four springs 501 are installed between the cover plate 407 and the two mounting blocks 404, and the four springs 501 are respectively located outside the multiple telescopic rods 406.

[0030] A second support plate 505 is fixedly connected to one side of the top outer wall of the cabin plate 1 , and a second spring 506 is fixedly connected between the second support plate 505 and the flip plate 503 .

[0031] After the installation is completed, the cover plate 407 is driven back to its original position, and one end of the cover plate 407 will squeeze the lower half of the flip plate 503, and the upper half of the flip plate 503 will flip downward between the two support plates 502, and then the pressure plate 504 rotating at one end of the flip plate 503 will also be pressed on the top of the cover plate 407 until the thrust of the spring 1 501 is overcome, and the cover plate 407 will be tightly pressed on the top outer wall of the mounting ring 3, so that the two are more tightly sealed, and the spring 2 506 can ensure that the flip plate 503 returns to its original position when there is no force, and will not affect the normal movement of the cover plate 407.

[0032] like Figure 3 As shown, a plurality of rollers 507 are rotatably connected inside the pressing plate 504 , and under the action of the rollers 507 , the movement of the pressing plate 504 can be ensured not to be affected.

[0033] like Figure 1 As shown, a guardrail 2 is fixedly connected to the top outer wall of the cabin plate 1, and the guardrail 2 is located on one side of the sealing component 5 to prevent the staff from accidentally falling out of the lifting hole.

[0034] like Figure 1 As shown, a rubber sealing pad (not shown in the figure) is provided on the outer wall of the bottom of the cover plate 407 to further increase the sealing performance between the cover plate 407 and the mounting ring 3 .

[0035] The utility model provides a wind turbine generator cabin hoisting hole cover opening mechanism, the specific working principle is as follows:

[0036] When the device is working, the staff stands on one side of the guardrail 2 and controls the motor 405 outside the mounting ring 3 to start. The motor 405 shaft can rotate with the screw rod 402 in a slide groove 401, and the mounting block 404 sliding in the slide groove 401 can be driven by the screw rod 402 to translate. The mounting block 404 can drive the cover plate 407 connected to it to move synchronously through the telescopic rod 406 at the top of the mounting block 404, and the movement of the cover plate 407 can be ensured to be more stable with the cooperation of the other mounting block 404 and the limit rod 403, and then the lifting hole of the cabin plate 1 will be exposed. Then, after the installation is completed, the cover plate 407 is driven back to its original position, and one end of the cover plate 407 will squeeze the lower half of the flip plate 503, and the upper half of the flip plate 503 will flip downward between the two support plates 502, and then the pressure plate 504 rotating at one end of the flip plate 503 will also be pressed on the top of the cover plate 407 until the thrust of the spring 1 501 is overcome, and the cover plate 407 will be tightly pressed on the top outer wall of the installation ring 3, so that the two are more tightly sealed, and the spring 2 506 can ensure that the flip plate 503 returns to its original position when there is no force, and will not affect the normal movement of the cover plate 407.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine nacelle lifting hole opening mechanism, comprising a mounting ring (3), characterized in that: An opening cover assembly (4) is installed inside the mounting ring (3), and the opening cover assembly (4) comprises two slide grooves (401) provided at both ends of the top outer wall of the mounting ring (3), and a mounting block (404) is slidably connected to each of the two slide grooves (401), and the inner walls on both sides of one of the slide grooves (401) are rotatably connected to the same screw rod (402), and one of the mounting blocks (404) is threadedly connected to the outside of the screw rod (402), and the top outer walls of the two mounting blocks (404) are fixedly connected to two telescopic rods (406), and one end of the top of the plurality of telescopic rods (406) is fixedly connected to the same cover plate (407), and a motor (405) is fixedly installed on the outer wall of one side of the mounting ring (3), and the rotating shaft of the motor (405) and one end of the screw rod (402) are coaxially fixed.

2. A wind turbine cabin hoisting hole opening mechanism according to claim 1, characterized in that: The inner walls on both sides of the other sliding groove (401) are fixedly connected to the same limiting rod (403), and the other mounting block (404) is slidably sleeved outside the limiting rod (403).

3. The wind turbine cabin hoisting hole opening mechanism according to claim 1, characterized in that: The bottom outer wall of the mounting ring (3) is fixedly connected to the cabin plate (1), and the mounting ring (3) surrounds the outside of the cabin plate (1) lifting hole. A sealing assembly (5) is installed on the top of the cabin plate (1), and the sealing assembly (5) is located on one side of the mounting ring (3).

4. A wind turbine cabin hoisting hole opening mechanism according to claim 3, characterized in that: The sealing assembly (5) comprises two support plates (502) fixedly connected to one side of the top outer wall of the cabin plate (1); an L-shaped flip plate (503) is rotatably connected between the two support plates (502); a pressure plate (504) is rotatably connected to one end of the top of the flip plate (503); the pressure plate (504) is located at one side of the top of the mounting ring (3); four springs (501) are installed between the cover plate (407) and the two mounting blocks (404); the four springs (501) are respectively located outside the plurality of telescopic rods (406).

5. A wind turbine cabin hoisting hole opening mechanism according to claim 4, characterized in that: A second support plate (505) is fixedly connected to one side of the top outer wall of the cabin plate (1), and a second spring (506) is fixedly connected between the second support plate (505) and the flip plate (503).

6. A wind turbine cabin hoisting hole opening mechanism according to claim 4, characterized in that: The pressure plate (504) is internally rotatably connected to a plurality of rollers (507).

7. The wind turbine cabin hoisting hole opening mechanism according to claim 3, characterized in that: A guardrail (2) is fixedly connected to the top outer wall of the cabin plate (1), and the guardrail (2) is located on one side of the sealing assembly (5).

8. The wind turbine cabin hoisting hole opening mechanism according to claim 1, characterized in that: A rubber sealing pad is provided on the outer wall of the bottom of the cover plate (407).

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