CN215170886U - Blade adjustable impeller in dust removal fan - Google Patents
Blade adjustable impeller in dust removal fan Download PDFInfo
- Publication number
- CN215170886U CN215170886U CN202120309239.2U CN202120309239U CN215170886U CN 215170886 U CN215170886 U CN 215170886U CN 202120309239 U CN202120309239 U CN 202120309239U CN 215170886 U CN215170886 U CN 215170886U
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- impeller
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- fixing bolt
- friction
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Abstract
The utility model discloses an adjustable type impeller of blade among dust exhausting fan, including the impeller, be provided with a plurality of blades of circumference equipartition on the impeller, be provided with control surface and bolt face on the impeller, be provided with penetrating mounting hole between control surface and the bolt face, the blade includes blade body and blade root, the blade root stretches into in the mounting hole, be provided with fixing bolt on the bolt face, fixing bolt's screw rod stretch into the blade root and with blade root threaded connection, and fixing bolt's head and bolt face are inconsistent, and the fixing bolt that loosens can make the blade rotate certain angle on the impeller, makes dust exhausting fan can adapt to different operating modes, when the blade fracture damages, unscrews fixing bolt and can more renew the blade fast, improves maintenance efficiency.
Description
Technical Field
The utility model belongs to dust exhausting fan equipment field, more specifically the adjustable type impeller of blade among dust exhausting fan that says so relates to.
Background
The converter is one of steel making furnaces, in the steel making process, a great amount of dust gas can be generated in the converter, namely dust is collected by using dust removal fan equipment, the environment pollution caused by dust scattering is avoided, an impeller and blades in the existing dust removal fan are welded together, after the dust removal fan operates for a long time, the blades are corroded by the high-temperature dust gas to cause fracture, the steel making production of the whole converter is influenced, the whole impeller needs to be replaced at the moment, the maintenance cost is high, and the maintenance efficiency is low; and because the blade is fixed, the angle of blade can't be adjusted, lead to dust exhausting fan unable adaptation different operating modes, make the dust attached to on the blade easily to the influence leads to dust exhausting fan work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an adjustable type impeller of blade among dust exhausting fan makes the epaxial blade of impeller can adjust the angle, makes dust exhausting fan adapt to different operating modes, and it is convenient to change simultaneously, and maintenance efficiency is high.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an adjustable type impeller of blade among dust exhausting fan, includes the impeller, be provided with a plurality of blades of circumference equipartition on the impeller, be provided with control surface and bolt face on the impeller, be provided with penetrating mounting hole between control surface and the bolt face, the blade includes blade body and blade root, the blade root stretches into in the mounting hole, be provided with fixing bolt on the bolt face, fixing bolt's screw rod stretch into the blade root and with blade root threaded connection, and fixing bolt's head and bolt face are inconsistent.
Furthermore, an adjusting groove is formed in the adjusting surface, the diameter of the adjusting groove is larger than that of the mounting hole, a fixing block is arranged between the blade body and the blade root and located in the adjusting groove, a gasket groove is formed in the bolt surface, a friction gasket is arranged between the screw rod of the fixing bolt and the head of the fixing bolt, and the friction gasket is located in the gasket groove.
Further, be provided with first annular on the face that the fixed block contradicts with the adjustment tank, be provided with first friction ring on the first annular, be provided with the second annular on the face that friction pad and gasket groove are inconsistent, be provided with the second friction ring on the second annular.
Furthermore, a plurality of angle indicating lines are arranged on the fixing block, and an angle pointer is arranged on the adjusting surface.
Further, the friction gaskets are provided with anti-loosening steel wires, and the anti-loosening steel wires sequentially penetrate through all the friction gaskets.
Compared with the prior art, the beneficial effects of the utility model are that: when the blades are installed, the blade roots on the blades extend into the impeller installation holes and are in threaded connection with the blade roots through the fixing bolts, when the heads of the fixing bolts and the bolt faces tightly attached to the impellers, the blades can be fixed, if the blades are broken and damaged, the fixing bolts are screwed out, the damaged blades are taken down from the impellers, and new blades can be replaced, so that the maintenance efficiency is high, and the cost is low; when the angle of blade body on the blade needs to be adjusted, fixing bolt can be loosened, so that the blade root is loosened in the mounting hole, and the blade is rotated to adjust the angle, so that the dust removal fan can adapt to different working conditions.
Drawings
FIG. 1 is a schematic view of the installation structure of the blades on the impeller according to the present invention;
FIG. 2 is a schematic view of a blade configuration;
FIG. 3 is a schematic structural view of a fixing bolt;
FIG. 4 is a schematic cross-sectional view of an impeller;
FIG. 5 is a top view of the blade as installed;
FIG. 6 is a schematic view of the connection between the friction pad and the steel wire.
Reference numerals: 1. an impeller; 101. adjusting the surface; 102. a bolt face; 103. mounting holes; 104. an adjustment groove; 105. a gasket groove; 106. an angle pointer; 2. a blade; 201. a leaf body; 202. a blade root; 203, fixing blocks; 204. a first ring groove; 205. a first friction ring; 206. an angle indicating line; 3. fixing the bolt; 301. a rubbing pad; 302. a second ring groove; 303. a second friction ring; 4. locking steel wire.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The present invention is further explained with reference to fig. 1 to 6.
The utility model provides an adjustable type impeller of blade among dust exhausting fan, includes impeller 1, a plurality of blades 2 that are provided with circumference equipartition on the impeller 1, be provided with regulation face 101 and bolt face 102 on the impeller 1, machine regulation face 101 is impeller 1 excircle side, and bolt face 102 is located impeller 1 and goes up one side relative with regulation face 101, is provided with penetrating mounting hole 103 between regulation face 101 and the bolt face 102, blade 2 includes blade 201 and blade root 202, blade root 202 stretches into in the mounting hole 103, be provided with fixing bolt 3 on the bolt face 102, fixing bolt 3's screw rod stretches into blade root 202 and with blade root 202 threaded connection, the bottom of blade root 202 is provided with the screw hole promptly, and fixing bolt 3's head and bolt face 102 counterbalance.
As shown in fig. 1, when the blade 2 is installed, the blade root 202 on the blade 2 is aligned with the installation hole 103 on the adjustment surface 101 of the impeller 1, then the blade root 202 is extended into the installation hole 103, then the fixing bolt 3 is moved to the bolt surface 102, the screw rod of the fixing bolt 3 is aligned with the threaded hole on the blade root 202, so that the fixing bolt 3 is in threaded connection with the blade 2, when the head of the fixing bolt 3 is abutted against the bolt surface 102 and tightly attached to the bolt surface 102, the blade 2 is fixed on the impeller 1, when the angle of the blade 2 needs to be adjusted, the fixing bolt 3 can be loosened, so that the blade 2 can rotate around the axis of the installation hole 103, and the fixing bolt 3 is screwed again after the rotation is completed, so that the blade 2 is fixed on the impeller 1 again; when blade 2 broke, can go out fixing bolt 3 on blade root 202, and fall cracked blade 2 and take off from impeller 1, more renew blade 2 can, conveniently change blade 2 through detachable mounting means promptly, rotate fixing bolt 3 simultaneously and can adjust blade 2, make blade 2 adapt to different operating modes, reduce the dust on the blade 2 and adhere to.
Preferably, the blade body 201 and the blade root 202 are integrally formed by forged steel, so that the blade 2 can bear larger force, the blade 2 is prevented from being broken, and the service life is prolonged.
As shown in fig. 1 to 4, in the preferred embodiment, an adjusting groove 104 is formed in the adjusting surface 101, a diameter of the adjusting groove 104 is larger than a diameter of the mounting hole 103, a fixing block 203 is arranged between the blade body 201 and the blade root 202, the fixing block 203 is located in the adjusting groove 104, a gasket groove 105 is formed in the bolt surface 102, a friction gasket 301 is arranged between a screw and a head of the fixing bolt 3, and the friction gasket 301 is located in the gasket groove 105, that is, a contact area between the blade 2 and the mounting surface is increased by the fixing block 203, so that a friction force is increased; increase the area of contact between fixing bolt 3 and the bolt face 102 through friction gasket 301, prevent that the bolt from producing not hard up when blade 2 operates, and can improve the installation stability of blade 2 through the cooperation of adjustment tank 104 and fixed block 203 and gasket groove 105 and friction gasket 301, prevent that blade 2 from producing circumference when operating and rocking or the displacement, influence the use of fan.
As shown in fig. 2 and 3, in the preferred embodiment, a first ring groove 204 is provided on a surface of the fixing block 203 that is in contact with the adjusting groove 104, a first friction ring 205 is provided on the first ring groove 204, a second ring groove 302 is provided on a surface of the friction gasket 301 that is in contact with the gasket groove 105, and a second friction ring 303 is provided on the second ring groove 302, that is, friction forces of the blade 2 and the fixing bolt 3 on the impeller 1 are respectively increased by the first friction ring 205 in the first ring groove 204 and the second friction ring 303 in the second ring groove 302, so as to prevent the impeller 1 and the fixing bolt 3 from loosening.
Preferably, the first friction ring 205 and the second friction ring 303 are both made of elastic rubber, before the blade 2 and the fixing bolt 3 are not installed, a part of the friction ring extends out of the ring groove, and after the installation, the friction ring is compressed, so that the friction ring can be tightly attached to the impeller 1 through the elasticity of the friction ring, and the friction force of the friction ring is improved.
As shown in fig. 5, in the present embodiment, a plurality of angle indicating lines 206 are preferably disposed on the fixing block 203, angle marks are marked on the angle indicating lines 206, the angle indicator 106 is disposed on the adjusting surface 101, the angle indicator 106 points at the angle indicating lines 206, and when the blade 2 is adjusted, a desired angle can be quickly and accurately rotated through the angle indicating lines 206 and the angle indicator 106.
As shown in fig. 6, the friction pad 301 according to the preferred embodiment is provided with the anti-loose steel wire 4, the anti-loose steel wire 4 sequentially penetrates through all the friction pads 301, that is, the same anti-loose steel wire 4 is used to connect all the friction pads 301 in series, and then the anti-loose steel wire 4 is tensioned, and two ends of the anti-loose steel wire 4 are connected, at this time, a certain angle is formed between the steel wire section located in the friction pad 301 and two adjacent external steel wire sections, and when the anti-loose steel wire 4 is tensioned, the tensioning force generated on the anti-loose steel wire 4 can make the friction pad 301 generate a screwing trend, so that the fixing bolt 3 can be prevented from being loosened, and the fixing effect of the blade 2 can be improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an adjustable type impeller of blade among dust exhausting fan, includes the impeller, be provided with a plurality of blades of circumference equipartition on the impeller, its characterized in that: the blade is characterized in that an adjusting surface and a bolt surface are arranged on the impeller, a through mounting hole is formed between the adjusting surface and the bolt surface, the blade comprises a blade body and a blade root, the blade root extends into the mounting hole, a fixing bolt is arranged on the bolt surface, a screw of the fixing bolt extends into the blade root and is in threaded connection with the blade root, and the head of the fixing bolt is abutted to the bolt surface.
2. The blade-adjustable impeller of a dust removing fan as claimed in claim 1, wherein: the adjustable blade is characterized in that an adjusting groove is formed in the adjusting surface, the diameter of the adjusting groove is larger than that of the mounting hole, a fixing block is arranged between the blade body and the blade root and is located in the adjusting groove, a gasket groove is formed in the bolt surface, a friction gasket is arranged between the screw rod and the head of the fixing bolt, and the friction gasket is located in the gasket groove.
3. The blade-adjustable impeller in a dust removal fan according to claim 2, wherein: the fixed block is provided with first annular on the face that the adjustment tank contradicts mutually, be provided with first friction ring on the first annular, be provided with the second annular on the face that friction pad and gasket groove are inconsistent, be provided with the second friction ring on the second annular.
4. The blade-adjustable impeller in a dust removal fan as claimed in claim 3, wherein: the fixed block is provided with a plurality of angle indicating lines, and the adjusting surface is provided with an angle pointer.
5. The blade-adjustable impeller in a dust removal fan as claimed in claim 4, wherein: and the friction gaskets are provided with anti-loosening steel wires which sequentially penetrate through all the friction gaskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309239.2U CN215170886U (en) | 2021-02-03 | 2021-02-03 | Blade adjustable impeller in dust removal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309239.2U CN215170886U (en) | 2021-02-03 | 2021-02-03 | Blade adjustable impeller in dust removal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170886U true CN215170886U (en) | 2021-12-14 |
Family
ID=79409748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120309239.2U Active CN215170886U (en) | 2021-02-03 | 2021-02-03 | Blade adjustable impeller in dust removal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170886U (en) |
-
2021
- 2021-02-03 CN CN202120309239.2U patent/CN215170886U/en active Active
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