Cabin maintenance handle of wind driven generator

Abstract

The utility model discloses a cabin maintenance handle of a wind driven generator. The cabin maintenance handle comprises a handle body and a button groove formed in the top face of the handle body. The protection mechanism comprises a rotating shaft column movably installed on the top of the right side of the handle body, a movable pressing seat fixed to the surface of the top end of the rotating shaft column, a rotating top seat rotationally arranged on the surface of the rotating shaft column in a sleeving mode and located on the top of the movable pressing seat, and a protection shielding plate fixed to one side of the rotating top seat and corresponding to the button groove; the cabin maintenance handle of the wind driven generator in the prior art is improved and optimized, the corresponding rotary protection mechanism is designed at the top of the handle main body, and the button groove can be effectively covered and blocked by rotating and downwards moving the protection shielding plate, so that waterproof protection is achieved, and the service life of the handle is prolonged. And the situation that the maintenance button and the maintenance knob are mistakenly touched and rotated is prevented, and the situation that the wind turbine generator operates mistakenly due to the fact that the surface is mistakenly touched and rotated is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wind turbine maintenance handle, concretely relates to a wind driven generator cabin maintenance handle. BACKGROUND

[0002] The wind driven generator cabin is the cabin body for containing and protecting the main shaft, gear box, generator and other transmission systems and electrical equipment of the wind turbine, and when the maintenance personnel enter the wind driven generator cabin for maintenance, the maintenance handle arranged in the wind driven generator cabin is used, the maintenance handle is also called the variable pitch maintenance system handle, a plurality of maintenance buttons are arranged on the handle, the operation state of the wind turbine can be regulated and controlled during daily maintenance, and the operation and maintenance purpose is achieved.

[0003] The wind driven generator cabin maintenance handle in the prior art is directly exposed outside and is easy to be touched or rotated by mistake, the wind turbine is misoperated, effective protection and waterproof cannot be achieved, and the wind driven generator cabin maintenance handle has the disadvantages. UTILITY MODEL CONTENTS

[0004] The utility model discloses a wind driven generator cabin maintenance handle to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a wind driven generator cabin maintenance handle, including

[0006] The handle main part, the button slot being arranged at the top surface of the handle main part, the plurality of maintenance buttons and the maintenance knob being arranged at the inboard of the button slot.

[0007] And the protection mechanism being arranged at the top of the handle main part, including the rotary shaft column being movably installed at the right top of the handle main part, the movable pressing base being fixed at the top surface of the rotary shaft column, the rotary top base being rotatably sleeved on the surface of the rotary shaft column and being arranged at the top of the movable pressing base, the protection baffle being fixed at one side of the rotary top base and corresponding to the button slot.

[0008] Preferably, the right side of the handle main part is internally provided with an integrated inner boss, an inner groove is formed in the inner boss, an inner sliding base is movably arranged in the inner groove, two springs are arranged between the top of the inner sliding base and the inner wall of the inner groove, and the bottom end of the rotary shaft column penetrates into the inner sliding base in the inner groove and is rotationally connected.

[0009] Preferably, two spring grooves are formed in the top surface of the inner sliding base, and the bottom end of the spring is inserted into the spring groove.

[0010] Preferably, an axle groove is formed in the bottom surface of the inner sliding base.

[0011] Preferably, the bottom surface of the protective shutter is fixed with an arc-shaped limiting block, and the curvature of the arc-shaped limiting block is consistent with the curvature of the inner wall of the button groove.

[0012] Preferably, the right top surface of the handle body is provided with a circular hole communicated with the inner groove, and the circular hole is matched with the rotating shaft column.

[0013] Preferably, the center of the rotating top seat is provided with a sleeve hole communicated therethrough, and the sleeve hole is matched with the rotating shaft column.

[0014] Preferably, the left end surface of the handle body is provided with a cable connector.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a maintenance handle for the wind turbine nacelle in the prior art is improved and optimized, the corresponding rotating protection mechanism is designed on the top of the handle body, the effective covering and plugging of the button groove can be realized through the rotation of the protective shutter, thereby the waterproof protection is realized, and the maintenance button and the maintenance knob are prevented from being touched and rotated by mistake, the wind turbine is prevented from being operated by mistake due to the surface being touched and rotated by mistake, and when the operator needs to press or rotate the maintenance button and the maintenance knob subsequently, only needs to lift the protective shutter and rotates the protective shutter from the top of the button groove and moves away. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the top view of the utility model;

[0017] Fig. 2 It is the bottom view of the utility model;

[0018] Fig. 3 It is the front view of the utility model;

[0019] Fig. 4 It is the sectional view of the connecting place of the rotating top seat and the handle body of the utility model;

[0020] In the drawing: 1, handle body; 11, inner boss; 2, button groove; 3, maintenance button; 4, maintenance knob; 5, cable connector; 61, protective shutter; 62, rotating top seat; 63, movable pressing seat; 64, arc-shaped limiting block; 66, inner groove; 67, inner sliding seat; 671, shaft groove; 68, spring; 69, rotating shaft column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Embodiment

[0023] Please refer to Figs. 1 to 4 For the embodiments of the present application, the embodiments provide a technical solution: a wind turbine nacelle maintenance handle, comprising

[0024] The handle main body 1, the button groove 2 opened in the top surface of the handle main body 1, the plurality of maintenance buttons 3 and the maintenance knob 4 arranged on the inner side of the button groove 2;

[0025] And the protection mechanism arranged on the top of the handle main body 1, comprising a rotating shaft column 69 movably arranged on the right top of the handle main body 1, an activity pressure seat 63 welded and fixed on the top surface of the rotating shaft column 69, a rotating top seat 62 rotatably sleeved on the surface of the rotating shaft column 69 and located on the top of the activity pressure seat 63, a protection shutter 61 fixed on one side of the rotating top seat 62 and corresponding to the button groove 2, the protection shutter 61 can be made of transparent acrylic material, and the protection shutter 61 can be lifted and rotated by one hundred and eighty degrees, so as to cover the top of the button groove 2, which can effectively shield and protect the button groove 2, prevent water from entering, and prevent the maintenance buttons 3 and the maintenance knob 4 from being touched and rotated by mistake, and the right side of the handle main body 1 is provided with an integrated inner convex seat 11, an inner groove 66 is arranged in the inner convex seat 11, an inner sliding seat 67 is movably arranged in the inner groove 66, and two springs 68 are arranged between the top of the inner sliding seat 67 and the inner wall of the inner groove 66, and the bottom end of the rotating shaft column 69 penetrates into the inner sliding seat 67 in the inner groove 66 and is rotatably connected.

[0026] Among them, the top surface of the inner sliding seat 67 is provided with two spring grooves, the bottom end of the spring 68 is inserted into the spring groove, which can limit the spring 68 and prevent the spring 68 from deviating.

[0027] Among them, the bottom surface of the inner sliding seat 67 is provided with an axis groove 671, which is used as the installation space of the rotating shaft between the rotating shaft column 69 and the inner sliding seat 67.

[0028] The bottom surface of the protective cover 61 is fixed with an arc-shaped limiting block 64, and the arc of the arc-shaped limiting block 64 is consistent with the inner wall arc of the button groove 2, so that when the subsequent operator lifts up the protective cover 61 and rotates to cover the top of the button groove 2, the arc-shaped limiting block 64 can be embedded in the inner side of the button groove 2 and fit with the inner wall of the button groove 2, thereby limiting the protective cover 61, preventing the protective cover 61 from rotating on the maintenance button 3 and the maintenance knob 4 protection device, and when the operator needs to cover the button groove 2 through the protective cover 61 in the later period, the protective cover 61 and the rotating top seat 62 are only lifted up, so that the movable pressure seat 63 moves up and the rotating shaft column 69 moves up, the inner slide 67 slides up and compresses the two springs 68, so that the height of the arc-shaped limiting block 64 is higher than the top surface height of the handle main body 1, at this time, the protective cover 61 can be rotated to the top of the button groove 2, and then the protective cover 61 is released, under the pushing of the spring 68, the inner slide 67 moves down with the rotating shaft column 69, and the protective cover 61 and the rotating top seat 62 move down, finally the protective cover 61 is pressed on the top of the handle main body 1 to completely block the button groove 2, and the arc-shaped limiting block 64 is embedded in the inner side of the button groove 2, so that the protective cover 61 can complete the blocking of the button groove 2, and effectively protect and prevent the maintenance button 3 and the maintenance knob 4 from being touched by mistake.

[0029] The right top surface of the handle main body 1 is provided with a circular hole communicating with the inner groove 66, and the circular hole is matched with the rotating shaft column 69, so that the rotating shaft column 69 can smoothly penetrate and rotate subsequently.

[0030] The center of the rotating top seat 62 is provided with a sleeve hole, and the sleeve hole is matched with the rotating shaft column 69, so that the rotating top seat 62 can be smoothly sleeved on the rotating shaft column 69.

[0031] The left end surface of the handle main body 1 is provided with a cable connector 5 for connecting a control cable.

[0032] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wind turbine nacelle maintenance handle, characterized in that: Comprising The handle body (1), the button slot (2) opened in the top surface of the handle body (1), the plurality of maintenance buttons (3) and the maintenance knob (4) arranged inside the button slot (2); And the protection mechanism arranged on the top of the handle body (1) includes the rotating shaft column (69) movably arranged on the right top of the handle body (1), the movable pressing seat (63) fixed on the top surface of the rotating shaft column (69), the rotating top seat (62) rotatably sleeved on the surface of the rotating shaft column (69) and arranged on the top of the movable pressing seat (63), and the protection cover (61) fixed on one side of the rotating top seat (62) and corresponding to the button slot (2).

2. A wind turbine nacelle maintenance handle according to claim 1, characterised in that: The right inner side of the handle body (1) is provided with an integral inner protruding seat (11), an inner groove (66) is formed in the inner protruding seat (11), an inner sliding seat (67) is movably arranged in the inner groove (66), two springs (68) are arranged between the top of the inner sliding seat (67) and the inner wall of the inner groove (66), and the bottom end of the rotating shaft column (69) penetrates into the inner sliding seat (67) in the inner groove (66) and is rotationally connected.

3. A wind turbine nacelle maintenance handle according to claim 2, characterised in that: Two spring grooves are formed in the top surface of the inner sliding seat (67), and the bottom end of the spring (68) is inserted into the spring groove.

4. A wind turbine nacelle maintenance handle according to claim 2, characterised in that: An axle groove (671) is formed in the bottom surface of the inner sliding seat (67).

5. A wind turbine nacelle maintenance handle according to claim 1, characterised in that: The bottom surface of the protection cover (61) is fixed with an arc-shaped limiting block (64), and the arc of the arc-shaped limiting block (64) is consistent with the arc of the inner wall of the button slot (2).

6. A wind turbine nacelle maintenance handle according to claim 1, characterised in that: A round hole is formed in the right top surface of the handle body (1) and communicates with the inner groove (66), and the round hole is matched with the rotating shaft column (69).

7. A wind turbine nacelle maintenance handle according to claim 1, characterised in that: A sleeve hole is formed in the center of the rotating top seat (62) and matched with the rotating shaft column (69).

8. A wind turbine nacelle maintenance handle according to claim 1, characterised in that: The left end surface of the handle body (1) is provided with a cable connector (5).

Images