CN212959255U

CN212959255U - Fog gun axial flow fan impeller

Info

Publication number: CN212959255U
Application number: CN202021819189.4U
Authority: CN
Inventors: 徐齐鑫; 姚文伟
Original assignee: Henan Dongji New Energy Technology Co ltd
Current assignee: Henan Dongji New Energy Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-13
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a fog gun axial fan impeller has solved the relatively poor problem of universality of the fan blade of fog gun. The utility model comprises a hub, a plurality of replaceable blades with rotary angle modulation are uniformly arranged on the side surface of the hub in the circumferential direction, the blades are of a structure which is continuously and gradually thickened, gradually twisted and gradually widened from the tail to the front, and the rotary direction of the blades is set as the counterclockwise rotary direction; the afterbody of blade is equipped with the connector that is used for being connected with wheel hub, the connector includes base and inserted bar, the base passes through the bolt fastening and establishes on wheel hub's side, the inserted bar is many prismatic rod structures, be equipped with on the base and insert a section of thick bamboo, the jack of inserting a section of thick bamboo be with inserted bar matched with many prismatic hole structures, be equipped with radial through-going fixed orifices I on inserting a section of thick bamboo, all be equipped with on each faceted pebble of inserted bar and correspond complex fixed orifices II with fixed orifices I, the front end of inserted bar and the afterbody fixed connection of blade.

Description

Fog gun axial flow fan impeller

Technical Field

The utility model relates to a fog gun fan technical field especially indicates fog gun axial fan impeller.

Background

Fog guns (also called as fog shooters, air-assisted spraying dust-settling devices, air-assisted sprayers, sprayers and the like) are equipment which generate water fog by using a water pump and a nozzle and blow the fog out by using air enhanced by an axial flow fan, and are mainly used for spraying, dust suppression, haze removal, medicine spraying, humidification, cooling, fire extinguishment and the like. Has great effects in atmospheric pollution control, virus prevention and the like. The impeller of the axial flow fan serving as a main wind-making component is a core component of the fog gun, the performance of the fog gun is directly influenced by the quality of the performance of the fog gun, and parameters such as efficiency, input power, range, fog type and the like are mainly influenced.

The impeller blade type and the structure that current fog gun was used are mostly the impeller of original traditional fan, and an impeller can only be joined in marriage to a blade, lead to the universality of blade relatively poor, cause the blade to damage the back, can only seek former factory's accessory and change, if the model that lacks the correspondence in the maintenance accessory, will lead to maintenance duration to be lengthened, influence the use of fog gun, the blade cost of special customization is higher moreover, and the sexual valence is also lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the relatively poor problem of universality of the fan blade of the current fog gun that exists among the background art, the utility model provides a fog gun axial fan impeller.

The technical scheme of the utility model is that: the fog gun axial flow fan impeller comprises a hub, wherein a plurality of blades which can be replaced and have rotary angle modulation are uniformly arranged on the side surface of the hub in the circumferential direction, the blades are of a structure which is continuously and gradually thickened, gradually twisted and gradually widened from the tail to the front, and the rotary direction of the blades is set to be an anticlockwise rotary direction; the afterbody of blade is equipped with the connector that is used for being connected with wheel hub, the connector includes base and inserted bar, the base passes through the bolt fastening and establishes on wheel hub's side, the inserted bar is many prismatic rod structures, be equipped with on the base and insert a section of thick bamboo, the jack of inserting a section of thick bamboo be with inserted bar matched with many prismatic hole structures, be equipped with radial through-going fixed orifices I on inserting a section of thick bamboo, all be equipped with on each faceted pebble of inserted bar and correspond complex fixed orifices II with fixed orifices I, the front end of inserted bar and the afterbody fixed connection of blade.

The middle part undercut of wheel hub's upper surface forms the indent plane, and wheel hub's edge forms the annular border that is higher than the indent plane, and wheel hub's middle part is equipped with the shaft hole that link up from top to bottom, and the inboard at annular border is equipped with the internal thread, is equipped with hemispherical air inlet kuppe on the wheel hub, and the lower part of air inlet kuppe is equipped with the external screw thread, and air inlet kuppe lower part and annular border threaded connection are equipped with the air intake on the air inlet kuppe.

An annular supporting flange is arranged in the shaft hole, a tapered hole which is communicated up and down is formed in the middle of the supporting flange, and a taper sleeve is arranged in the tapered hole.

The diameter of the hub is 350-480 mm.

The twist angle of the blades is 21-63 degrees from tail to front.

The width of the blade is 170 mm-250 mm, and the thickness of the blade is 3 mm-13 mm.

The fixing holes I and the fixing holes II are pin hole structures, and the insertion rod and the insertion cylinder are fixedly connected through a positioning pin inserted in the pin hole; the fixing hole I and the fixing hole II are in threaded hole structures, and the insert rod and the insert cylinder are fixedly connected through a screw rod arranged in the threaded hole.

The utility model has the advantages that: the utility model designs the blade with replaceable and rotary angle modulation, when in use, a certain blade can be directly detached for replacement after being damaged, and when the blade needs to adapt to hubs with different specifications, the front end part of a little blade can be properly cut by additionally installing or reducing part of connectors, and the rotation angle of the blade can be adjusted by the structure of the connectors, so that one blade meets the requirements of fog gun fans with various specifications; simultaneously, the inserted bar of connector is established to many prism pole structure, the cooperation with an inserted bar assorted section of thick bamboo, after the angle modulation is accomplished, when the fan rotates, the blade produces the power of backward rotation under the effect of windage, if do not insert a section of thick bamboo and provide extra resistance to prism structure's inserted bar, and directly adopt the round bar, the structure of drum, will make the locating pin or the screw rod of inserting in the fixed orifices bear very big shearing force always, long-time during operation leads to locating pin or screw rod to transship very easily and takes place the fracture, reduce the life of fan, more serious is, the blade can be thrown away by the centrifugal force that high-speed rotation produced, cause the incident.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of the front view angle of FIG. 1;

FIG. 4 is an internal cross-sectional view of FIG. 3;

FIG. 5 is a schematic perspective view I of the blade and its connector of FIG. 1;

fig. 6 is a schematic perspective view II of the blade and its connector in fig. 1.

In the figure, the air inlet guide sleeve comprises a hub 1, a hub 101, an inner concave plane 2, a blade 3, a connector 4, a supporting flange 5, a taper sleeve 6, an air inlet guide sleeve 7 and an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1: as shown in fig. 1 and 2, the fog gun axial flow fan impeller comprises a hub 1, wherein the diameter of the hub 1 is 350mm, the diameter of the whole impeller is matched with 800mm, a plurality of replaceable blades 2 with rotary angle modulation are circumferentially and uniformly arranged on the side surface of the hub 1, as shown in fig. 5 and 6, the blades 2 are of a structure which is continuously and gradually thickened, gradually twisted and gradually widened from the tail to the front, and the rotation direction of the blades 2 is set to be an anticlockwise rotation direction; the twist angle of the blade 2 is 21-63 degrees from tail to front. The width of the blade 2 gradually changes from tail to front is 170 mm-250 mm, and the thickness of the blade 2 gradually changes from tail to front is 3 mm-13 mm. The tail of the blade 2 is provided with a connector 3 used for being connected with the hub 1, the connector 3 comprises a base and an insertion rod, the base is fixedly arranged on the side surface of the hub 1 through bolts, the insertion rod is of a multi-prism rod structure, the base is provided with an insertion cylinder, an insertion hole of the insertion cylinder is of a multi-prism hole structure matched with the insertion rod, the insertion cylinder is provided with a radially through fixing hole I, each edge surface of the insertion rod is provided with a fixing hole II correspondingly matched with the fixing hole I, the fixing hole I and the fixing hole II are of pin hole structures, and the insertion rod is fixedly connected with the insertion cylinder through a positioning pin inserted in the pin hole; the front end of the inserted bar is fixedly connected with the tail part of the blade 2.

As shown in fig. 3 and 4, the middle of the upper surface of the hub 1 is recessed downward to form an inward concave plane 101, the edge of the hub 1 forms an annular edge higher than the inward concave plane 101, the middle of the hub 1 is provided with an up-down through shaft hole, an annular support flange is arranged in the shaft hole, the middle of the support flange is provided with an up-down through tapered hole, a taper sleeve 5 is arranged in the tapered hole, and the taper sleeve structure is mainly used for facilitating assembly and disassembly after the impeller is connected with a main power machine. The inboard at annular border is equipped with the internal thread, is equipped with hemispherical air inlet kuppe 6 on wheel hub 1, and the lower part of air inlet kuppe 6 is equipped with the external screw thread, and air inlet kuppe 6 lower part and annular border threaded connection are equipped with air intake 7 on the air inlet kuppe 6.

The working principle is as follows: the utility model designs the blade with replaceable and rotary angle modulation, when in use, a certain blade can be directly detached for replacement after being damaged, and when the blade needs to adapt to hubs with different specifications, the front end part of a little blade can be properly cut by additionally installing or reducing part of connectors, and the rotation angle of the blade can be adjusted by the structure of the connectors, so that one blade meets the requirements of fog gun fans with various specifications; simultaneously, the inserted bar of connector is established to many prism pole structure, and a cooperation and an inserted bar assorted section of thick bamboo of inserting, after the angle modulation is accomplished, when the fan rotated, the blade produced the power of backward rotation under the effect of windage, inserted a section of thick bamboo and provides extra resistance to prism structure's inserted bar, avoided the locating pin to bear very big shearing force always, lead to the locating pin to transship the emergence fracture for a long time during operation.

Example 2: fog gun axial fan impeller, including wheel hub 1, 450mm model is chooseed for use to wheel hub 1's diameter, and 900 mm's diameter is chooseed for use in the diameter matching of whole impeller, and fixed orifices I and fixed orifices II are the screw hole structure, and the inserted bar is through establishing the screw rod fixed connection in the screw hole with inserting a section of thick bamboo. The other structure is the same as embodiment 1.

Example 3: fog gun axial fan impeller, including wheel hub 1, the diameter of wheel hub 1 chooses for use the 480mm model, and the diameter matching of whole impeller chooses for use the diameter of 1000mm, and other structures are the same with embodiment 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Fog gun axial fan impeller, its characterized in that: the novel hub comprises a hub (1), wherein a plurality of replaceable blades (2) with rotary angle modulation are uniformly arranged on the side surface of the hub (1) in the circumferential direction, the blades (2) are of a structure which is continuously thickened, gradually twisted and gradually widened gradually from the tail to the front, and the rotation direction of the blades (2) is set to be an anticlockwise rotation direction; the afterbody of blade (2) is equipped with connector (3) that are used for being connected with wheel hub (1), connector (3) include base and inserted bar, the base passes through the bolt fastening and establishes on the side of wheel hub (1), the inserted bar is many prismatic columns pole structure, be equipped with on the base and insert a section of thick bamboo, the jack of inserting a section of thick bamboo is for many prismatic columns hole structure with inserted bar matched with, be equipped with radially through fixed orifices I on inserting a section of thick bamboo, all be equipped with on each faceted pebble of inserted bar and correspond complex fixed orifices II with fixed orifices I, the front end of inserted bar and the afterbody fixed connection of blade (2).

2. The fog gun axial flow fan impeller of claim 1, wherein: the middle part undercut of the upper surface of wheel hub (1) forms indent plane (101), the edge formation of wheel hub (1) is higher than the annular border of indent plane (101), the middle part of wheel hub (1) is equipped with the shaft hole that link up from top to bottom, the inboard at annular border is equipped with the internal thread, be equipped with hemispherical air inlet kuppe (6) on wheel hub (1), the lower part of air inlet kuppe (6) is equipped with the external screw thread, air inlet kuppe (6) lower part and annular border threaded connection, be equipped with air intake (7) on air inlet kuppe (6).

3. The fog gun axial flow fan impeller of claim 2, wherein: an annular supporting flange is arranged in the shaft hole, a tapered hole which is communicated up and down is arranged in the middle of the supporting flange, and a taper sleeve (5) is arranged in the tapered hole.

4. The fog gun axial flow fan impeller of claim 3, wherein: the diameter of the hub (1) is 350 mm-480 mm.

5. The fog gun axial flow fan impeller of claim 4, wherein: the twist angle of the blade (2) is 21-63 degrees from tail to front.

6. The fog gun axial flow fan impeller of claim 5, wherein: the width of the blade (2) gradually changes from tail to front is 170 mm-250 mm, and the thickness of the blade (2) gradually changes from tail to front is 3 mm-13 mm.

7. The fog gun axial flow fan impeller of claim 6, wherein: the fixing holes I and the fixing holes II are pin hole structures, and the insertion rod and the insertion cylinder are fixedly connected through a positioning pin inserted in the pin hole; the fixing hole I and the fixing hole II are in threaded hole structures, and the insert rod and the insert cylinder are fixedly connected through a screw rod arranged in the threaded hole.