Fan blade protection structure

Abstract

The utility model provides a fan blade protection structure, which comprises a base, a buffer mechanism and a protection mechanism, the top end of the base is fixedly connected with a connecting plate through bolts, the top end of the connecting plate is fixedly connected with a connecting frame through bolts, one side of the connecting frame is provided with the buffer mechanism, and the other side of the connecting frame is provided with the protection mechanism. A protection mechanism is arranged in the connecting frame, fan blades are separated from the fan, a support is arranged between the fan and the fan blades, a cleaning brush at one end of the support is tightly attached to the fan blades, the output end of the fan penetrates through a mounting hole to fix the fan blades, when the fan drives the fan blades to rotate, a sliding plate is driven to slide on a guide rail due to friction force, and the fan blades can be conveniently cleaned. The friction force between the support and the fan blades is gradually reduced due to the increase of the rotating speed, and the rotating speed of the support is lower than that of the fan blades, so that the cleaning brush can clean the fan blades.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan blade technical field, concretely is fan blade protection structure. BACKGROUND

[0002] Fan, the component of fan and ceiling fan, is driven by motor, rotates to produce the part of wind, and the impeller with fan also can be used in the transportation of medium such as fluid, the fan of impeller generally has more demand to change, the cross section of common impeller fan is generally curved, so that the impeller can better transport medium when rotating.

[0003] According to (the authorized announcement number is: CN211487229U) in the description "a new type of hub and the connecting protection structure of blade, including hub and the blade connected with hub, the blade is installed in the mounting hole of hub through its taper mounting cooperation section, the mounting hole of hub is evenly distributed a group of hub positioning slot, the taper mounting cooperation section of blade is evenly distributed a group of blade positioning slot with the same number of hub positioning slot, the blade positioning slot and the hub positioning slot are fixed between through positioning block. The utility model reduces the cumbersome steps of adjusting the angle of blade when variable angle blade is installed on site, improves installation efficiency and convenience.

[0004] The existing protection device cannot buffer the impact force of dumping, which causes the fan blade to be easily damaged, and cannot clean the internal fan blade. Therefore, an improved fan blade protection structure is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a fan blade protection structure to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0006] The technical scheme of the utility model embodiment is implemented as follows: a fan blade protection structure, comprising a base, a buffer mechanism and a protection mechanism, the top end of the base is fixedly connected with a connecting plate through bolts, the top end of the connecting plate is fixedly connected with a connecting frame through bolts, one side of the connecting frame is provided with a buffer mechanism, the inside of the connecting frame is provided with a protection mechanism.

[0007] The buffer mechanism comprises a buffer plate, a buffer frame and a buffer spring, the outer wall of the connecting frame is fixedly connected with a buffer frame, the inside of the buffer frame is slidably connected with a buffer plate, and a buffer spring is arranged between the buffer plate and the buffer frame.

[0008] Further preferably, the protection mechanism comprises a guide rail, a sliding plate, a support, a mounting hole and a cleaning brush, the inside of the connecting frame is provided with the guide rail, the inside of the guide rail is slidably connected with the sliding plate, one side of the sliding plate is provided with the support, and the middle of the support is provided with the mounting hole.

[0009] Further preferably, the rear side of the support is provided with the cleaning brush.

[0010] Further preferably, the outside of the connecting frame is provided with a protective net, and the connecting frames are fixedly connected together through bolts.

[0011] Further preferably, the sliding plate is arranged in an arc shape, and the buffer plate and the buffer frame are respectively arranged in an arc shape.

[0012] Further preferably, the buffer plate and the buffer frame are eight, and the eight buffer plates and buffer frames are symmetrically arranged with the connecting frame as the center.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme: in the utility model

[0014] I. By separating the fan blade from the fan, and setting a support between the fan and the fan blade, and making the cleaning brush at one end of the support closely fit the fan blade, and the output end of the fan passes through the mounting hole to fix the fan blade, when the fan drives the fan blade to rotate, the sliding plate slides on the guide rail due to the friction, and the support is also driven to rotate, the friction between the support and the fan blade gradually decreases due to the increase of the rotating speed, the rotating speed of the support is lower than that of the fan blade, so that the cleaning brush can clean the fan blade, and when the fan stops rotating, the rotating speed of the support and the fan blade is different due to the friction, so as to increase the friction, and the fan blade can stop quickly, and the cleaning brush can clean one end of the fan blade.

[0015] II. The protective net can effectively prevent dust from entering, and the buffer mechanism is arranged, when pouring, the buffer plate is inserted into the inside of the buffer frame, and the spring is extruded, the impact force is reduced under the action of the spring, and the shell can be effectively protected.

[0016] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is an overall structural diagram of the present invention;

[0019] Figure 2 This is a diagram showing the overall internal structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the protection mechanism of this utility model;

[0021] Figure 4 This is a schematic diagram of the buffer mechanism of this utility model.

[0022] Reference numerals: 1. Base; 2. Protective net; 3. Buffer mechanism; 31. Buffer plate; 32. Buffer frame; 33. Buffer spring; 4. Connecting plate; 5. Protective mechanism; 51. Guide rail; 52. Slide plate; 53. Bracket; 54. Mounting hole; 55. Cleaning brush; 6. Connecting frame. Detailed Implementation

[0023] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0024] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0025] Example 1: As Figures 1-4 As shown, this utility model embodiment provides a wind turbine blade protection structure, including a base 1, a buffer mechanism 3 and a protection mechanism 5. A connecting plate 4 is fixedly connected to the top of the base 1 by bolts, and a connecting frame 6 is fixedly connected to the top of the connecting plate 4 by bolts. A buffer mechanism 3 is provided on one side of the connecting frame 6, and a protection mechanism 5 is provided inside the connecting frame 6.

[0026] The buffer mechanism 3 includes a buffer plate 31, a buffer frame 32, and a buffer spring 33. The buffer frame 32 is fixedly connected to the outer wall of the connecting frame 6. The buffer plate 31 is slidably connected inside the buffer frame 32. A buffer spring 33 is provided between the buffer plate 31 and the buffer frame 32. When the device is tilted, the buffer plate 31 will insert into the interior of the buffer frame 32 and compress the spring. Under the action of the spring, the impact force is reduced, which can effectively protect the outer shell.

[0027] In one embodiment, specifically, the protection mechanism 5 includes a guide rail 51, a sliding plate 52, a bracket 53, a mounting hole 54 and a cleaning brush 55, the inside of the connecting frame 6 is provided with the guide rail 51, the inside of the guide rail 51 is slidably connected with the sliding plate 52, one side of the sliding plate 52 is provided with the bracket 53, and the middle of the bracket 53 is provided with the mounting hole 54.

[0028] In one embodiment, specifically, the rear side of the bracket 53 is provided with the cleaning brush 55, the fan and the fan blade are separated, the bracket 53 is arranged between the fan and the fan blade, the cleaning brush 55 at one end of the bracket 53 closely fits the fan blade, and the output end of the fan fixes the fan blade through the mounting hole 54, when the fan drives the fan blade to rotate, the sliding plate 52 slides on the guide rail 51 due to the friction, and the bracket 53 rotates, the friction between the bracket 53 and the fan blade gradually decreases due to the increase of the rotating speed, the rotating speed of the bracket 53 is lower than that of the fan blade, the cleaning brush 55 can clean the fan blade, and when the fan stops rotating, the rotating speed of the bracket 53 is different from that of the fan blade due to the friction, so that the friction is increased, the fan blade can stop quickly, and the cleaning brush 55 can clean one end of the fan blade.

[0029] In one embodiment, specifically, the outside of the connecting frame 6 is provided with the protective net 2, and the connecting frames 6 are fixedly connected together through bolts.

[0030] In one embodiment, specifically, the sliding plate 52 is arranged in an arc shape, and the buffer plate 31 and the buffer frame 32 are respectively arranged in arc shapes.

[0031] In one embodiment, specifically, the buffer plate 31 and the buffer frame 32 are arranged in eight, and the eight buffer plates 31 and buffer frames 32 are symmetrically arranged with the connecting frame 6 as the center.

[0032] In the working process of the utility model, the fan and the fan blade are separated, the bracket 53 is arranged between the fan and the fan blade, the cleaning brush 55 at one end of the bracket 53 closely fits the fan blade, the output end of the fan fixes the fan blade through the mounting hole 54, when the fan drives the fan blade to rotate, the sliding plate 52 slides on the guide rail 51 due to the friction, and the bracket 53 rotates, the friction between the bracket 53 and the fan blade gradually decreases due to the increase of the rotating speed, the rotating speed of the bracket 53 is lower than that of the fan blade, the cleaning brush 55 can clean the fan blade, when the fan stops rotating, the rotating speed of the bracket 53 is different from that of the fan blade due to the friction, so that the friction is increased, the fan blade can stop quickly, and the cleaning brush 55 can clean one end of the fan blade, the protective net 2 can effectively prevent dust from entering, and the buffer mechanism 3 is arranged, when pouring, the buffer plate 31 is inserted into the inside of the buffer frame 32 and extrudes the spring, the impact force is reduced under the action of the spring, and the shell can be effectively protected.

[0033] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be encompassed in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A wind turbine blade protection structure, comprising a base (1), a buffer mechanism (3), and a protection mechanism (5), characterized in that: The top of the base (1) is fixedly connected to a connecting plate (4) by bolts, and the top of the connecting plate (4) is fixedly connected to a connecting frame (6) by bolts. A buffer mechanism (3) is provided on one side of the connecting frame (6), and a protective mechanism (5) is provided inside the connecting frame (6). The buffer mechanism (3) includes a buffer plate (31), a buffer frame (32) and a buffer spring (33). The outer wall of the connecting frame (6) is fixedly connected to the buffer frame (32), and the buffer plate (31) is slidably connected inside the buffer frame (32). A buffer spring (33) is provided between the buffer plate (31) and the buffer frame (32).

2. The wind turbine blade protection structure according to claim 1, characterized in that: The protective mechanism (5) includes a guide rail (51), a slide plate (52), a bracket (53), a mounting hole (54), and a cleaning brush (55). The connecting frame (6) is provided with a guide rail (51) inside. The slide plate (52) is slidably connected inside the guide rail (51). A bracket (53) is provided on one side of the slide plate (52). A mounting hole (54) is provided in the middle of the bracket (53).

3. The wind turbine blade protection structure according to claim 2, characterized in that: A cleaning brush (55) is provided on the rear side of the bracket (53).

4. The wind turbine blade protection structure according to claim 1, characterized in that: A protective net (2) is provided on the outside of the connecting frame (6), and the connecting frames (6) are fixed together by bolts.

5. The wind turbine blade protection structure according to claim 2, characterized in that: The slide plate (52) is set to be arc-shaped, and the buffer plate (31) and the buffer frame (32) are respectively set to be arc-shaped.

6. The wind turbine blade protection structure according to claim 1, characterized in that: The buffer plate (31) and buffer frame (32) are configured as eight, and the eight buffer plates (31) and buffer frames (32) are arranged symmetrically with the connecting frame (6) as the center.

Images