CN212177499U - Detachable fan impeller - Google Patents

Abstract

The utility model discloses a detachable fan wheel, including acanthus leaf, a plurality of fixed stop and a plurality of blade, wherein: the blades are distributed on the blade plate in a circumferential shape; the blade plate is provided with a fixed opening, and the root of the blade is matched with the fixed opening; a plurality of fixed baffle is established on the air-out face and the air inlet face of acanthus leaf for week form, and the blade passes through mounting demountable installation on fixed baffle. The utility model discloses in, the detachable fan wheel that provides, root card through the blade is in fixed opening to can dismantle with fixed stop through the mounting and be connected, can reach the effect that only change the blade and do not change the lamina after the blade wearing and tearing, material saving improves work efficiency.

Description

Detachable fan impeller

Technical Field

The utility model relates to a rotatory impeller technical field especially relates to a detachable fan wheel.

Background

Fan, air pump wide application in various complex environments such as air conveying, environmental protection are removed dust, cement process system, and the gas of high-speed impact leads to the impeller front to bear great stress, can lead to the impeller to warp when stress is too big, and when the solid particle in the dirty gas passes through the impeller, the solid particle of high-speed motion leads to impeller wearing and tearing serious with the direct impact of impeller, and the vibration is great, influences the production efficiency of equipment, reduces the life of fan, increases equipment operation maintenance cost.

The impeller, which is an important part of the rotating impeller and is the most severely worn part, is also slightly deformed when the surface is subjected to excessive stress. The rotary impeller in the prior art mostly adopts the integral type design, and the blade is connected with the impeller is fixed promptly, and the erosion degree of wear that the blade received that causes so not convenient to lie in that the erosion degree of wear that the blade received is far greater than the erosion degree of wear that the lamina received, needs to be changed, has to change the lamina also together, causes the very big waste of resource, to these weak points, the development a simple structure, dismantle convenient, energy-conserving high-efficient, the detachable blade of novel high strength that bearing capacity is stronger has important using value and realistic meaning.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution background art, the utility model provides a detachable fan wheel.

The utility model provides a detachable fan wheel, including acanthus leaf, a plurality of fixed stop and a plurality of blade, wherein:

the blades are distributed on the blade plate in a circumferential shape;

the blade plate is provided with a fixed opening, and the root of the blade is matched with the fixed opening;

a plurality of fixed baffle is established on the air-out face and the air inlet face of acanthus leaf for week form, and the blade passes through mounting demountable installation on fixed baffle.

In order to increase the steadiness that blade and acanthus leaf are connected, as the utility model discloses further optimized scheme, fixed opening has a department of buckling at least, and then increases the blade and rotate the in-process and acanthus leaf interact's stress area and the change of department's direction of stress of bending, and then the mutual frictional force between the increase, and then avoids the blade to break away from the acanthus leaf.

As the utility model discloses the scheme of further optimization, fixed opening includes S-shaped groove and rectangular channel, and the relative rectangular channel in S-shaped groove is kept away from the lamina center and is communicate with the rectangular channel.

To facilitate removal of the blade, it is preferred in some embodiments that the fixing comprises a bolt and a self-locking nut.

In order to prevent the impeller from loosening from the self-locking nut and the bolt in the rotating process, anti-loosening glue is coated on the external thread of the bolt.

In order to increase the intensity of this impeller, conduct the utility model discloses the scheme of further optimizing, the air-out face of lamina is equipped with the support.

In some embodiments, the number of the brackets is three.

As a further optimized scheme of the utility model, the air inlet surface of the blade plate is provided with a wear-resistant coating.

In order to facilitate the realization to the fixed of blade, as the utility model discloses further optimized scheme, fixed open-ended degree of depth is the third of blade length.

The utility model discloses in, the detachable fan wheel that provides, root card through the blade is in fixed opening to can dismantle with fixed stop through the mounting and be connected, can reach the effect that only change the blade and do not change the lamina after the blade wearing and tearing, material saving improves work efficiency, increases life, improves the strength of stress.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the blade plate of the present invention;

fig. 3 is a schematic view of the blade structure of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

A detachable fan wheel as shown in fig. 1-3, comprising a blade 1, a plurality of fixed baffles 4 and a plurality of blades 3, wherein:

the plurality of blades 3 are distributed on the blade plate 1 in a circumferential shape;

the blade plate 1 is provided with a fixed opening 7, the fixed opening 7 is at least provided with a bending part, the fixed opening 7 comprises an S-shaped groove 70 and a rectangular groove 71, the S-shaped groove 70 is far away from the center of the blade plate 1 relative to the rectangular groove 71 and is communicated with the rectangular groove 71, the root of the blade 3 is matched with the fixed opening 7, the root of the blade 3 is inserted into the fixed opening 7 and is positioned, and the depth of the fixed opening 7 is one third of the length of the blade 3 in order to fix the blade 3;

the fixed baffles 4 are arranged on the air outlet surface and the air inlet surface of the blade plate 1 in a circumferential shape, the fixed baffles 4 and the blade plate 1 are integrally formed, the strength of the blade plate 1 is improved, the blade 3 is detachably mounted on the fixed baffles 4 through a fixing piece, the fixing piece comprises bolts 5 and self-locking nuts 6, threaded holes 8 are formed in the root of the blade 3 and the baffles 4, the bolts 5 are inserted into the threaded holes 8, the blade 3 is fixed on the baffles 4 through the nuts 6, in order to achieve dynamic balance in the rotating process and facilitate fixing of the blade 3, the number of the baffles 4 is four times that of the blade 3, one fixed opening 7 corresponds to four baffles 4, two baffles 4 are positioned on the air inlet surface of the blade plate 1, the other two baffles 4 are positioned on the air outlet surface, a notch is formed between the two baffles 4, and corresponds to the fixed opening and is matched with the root of the;

the air outlet face of the blade plate 1 is provided with three supports 2, the three supports 2 are uniformly distributed on the air outlet face of the blade plate 1, the air inlet face of the blade plate 1 is provided with a wear-resistant coating, and the wear-resistant coating is a high-performance steel coating and reduces the erosion wear stratification degree of the surface.

This embodiment is at the course of the work, and wind gets into from the entry end of fan, and the solid particle impurity that contains in the high-speed gas has produced great wearing and tearing to the windward side of blade 3, and when the degree of wear is great, the normal operating of influence equipment through regularly changing blade 3, has played increase of service life, shortens maintenance cycle, makes the fan can be faster enter into normal production running state.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a detachable fan wheel which characterized in that, includes acanthus leaf (1), a plurality of fixed stop (4) and a plurality of blade (3), wherein:

the blades (3) are distributed on the blade plate (1) in a circumferential manner;

the blade plate (1) is provided with a fixed opening (7), and the root of the blade (3) is matched with the fixed opening (7);

a plurality of fixed baffle plates (4) are arranged on the air outlet surface and the air inlet surface of the blade plate (1) in a circumferential mode, and the blades (3) are detachably arranged on the fixed baffle plates (4) through fixing pieces.

2. Detachable fan wheel according to claim 1, characterized in that the fixing opening (7) has at least one bend.

3. The removable fan wheel according to claim 2, characterized in that the fixing opening (7) comprises an S-shaped groove (70) and a rectangular groove (71), the S-shaped groove (70) being distanced from the center of the louver (1) with respect to the rectangular groove (71) and communicating with the rectangular groove (71).

4. The removable fan wheel according to claim 1, characterized in that the fixing means comprise a bolt (5) and a self-locking nut (6).

5. The detachable fan wheel according to claim 1, characterized in that the air outlet surface of the blade (1) is provided with a bracket (2).

6. Detachable fan wheel according to claim 5, characterized in that three brackets (2) are provided.

7. The detachable fan wheel according to claim 1, characterised in that the air inlet side of the blade plate (1) is provided with a wear-resistant coating.

8. The removable fan wheel according to claim 1, characterised in that the depth of the fixing opening (7) is one third of the length of the blade (3).

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