CN212232723U

CN212232723U - Impeller for aerator and waterwheel type aerator

Info

Publication number: CN212232723U
Application number: CN201922368742.0U
Authority: CN
Inventors: 牟纳斯; 刘伟; 黄兆荣; 尚立库
Original assignee: Xiamen Tungsten Co Ltd
Current assignee: Xiamen Tungsten Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-12-29
Anticipated expiration: 2029-12-25

Abstract

The utility model provides an impeller for waterwheel formula oxygen-increasing machine, including sleeve and a plurality of blade that link to each other, the sleeve is equipped with the cover barrel hole that is used for connecting the pivot of oxygen-increasing machine, and the blade sets up for the axis slope in cover barrel hole. Through the blade that sets up for the axis slope with the cover barrel hole, the direction of the rivers that the change impeller drove improves the water yield that the oxygen-increasing machine impeller sprinkled to pivot axis direction to increase the water yield of sprinkle on the oxygen-increasing machine motor, improve and carry out refrigerated efficiency to the oxygen-increasing machine motor.

Description

Impeller for aerator and waterwheel type aerator

Technical Field

The utility model relates to an aquaculture equipment field, in particular to impeller and waterwheel formula oxygen-increasing machine for oxygen-increasing machine.

Background

The motor continuously works at high temperature, so that the working efficiency of the motor is reduced, and serious faults can occur under extreme conditions, so that the loss of personnel and property is caused. Therefore, a good cooling effect must be ensured during long-term operation of the motor. Due to the special working environment of the motor of the aerator, the traditional motor cooling modes such as air cooling, water cooling, oil cooling and the like are difficult to implement.

The technical scheme of the existing cooling aerator motor has insufficient cooling efficiency, and the motor cannot be kept in a good working state.

SUMMERY OF THE UTILITY MODEL

The utility model provides an impeller and waterwheel formula oxygen-increasing machine for oxygen-increasing machine, its aim at improves and carries out refrigerated efficiency to the oxygen-increasing machine motor.

In a first aspect, the utility model provides an impeller for waterwheel formula oxygen-increasing machine, including continuous sleeve and a plurality of blade, the sleeve is equipped with the cover barrel hole, the cover barrel hole is used for connecting the pivot of oxygen-increasing machine, and the blade sets up for the axis slope in cover barrel hole.

According to the utility model discloses a first aspect, the blade is flat, and the contained angle between blade and the axis is 5 to 25.

According to the utility model discloses a first aspect, on the plane of the direction that the perpendicular to blade extends, the contained angle between the projection of the line of the mid point of the edge at blade both ends in the axis direction and the projection of axis is 5 to 25.

According to the first aspect of the utility model, the blade is provided with a water leakage hole and is connected with the sleeve through the support rod; the blades are uniformly distributed along the circumferential direction of the sleeve; the number of blades is four to eight.

In a second aspect, the utility model provides a waterwheel type aerator, including motor, pivot and first impeller, the motor drive pivot is rotated, and on first impeller was fixed in the pivot, first impeller had a plurality of blades, and the blade set up for the pivot slope.

According to the utility model discloses a second aspect, the blade is flat, and the contained angle between blade and the pivot is 5 to 25.

According to the utility model discloses a second aspect, on the plane of perpendicular to blade extending direction, the blade is 5 to 25 in the projection of the line of the midpoint of the edge at the both ends on the axis direction of the pivot and the projection of pivot axis.

According to the second aspect of the utility model, the blade is provided with a water leakage hole, the impeller is connected with the rotating shaft through the sleeve, and the blade is connected with the sleeve through the supporting rod; the blades are uniformly distributed along the circumferential direction of the sleeve; the number of blades is four to eight.

According to the utility model discloses a second aspect, still including being fixed in the epaxial second impeller of commentaries on classics, the second impeller sets up in the both sides of motor with first impeller mirror symmetry.

According to the utility model discloses a second aspect, on the plane of perpendicular to pivot to the pivot is the utmost point, uses the pivot predetermined direction of rotation to be positive and establishes polar coordinate system, and the blade is close to the polar angle of the midpoint of the marginal midpoint of the one end of motor on polar coordinate system and the blade and keeps away from the polar angle difference of the midpoint of the marginal midpoint of the one end of motor on polar coordinate system is negative.

The utility model discloses an aspect provides an impeller for waterwheel formula oxygen-increasing machine, through for the blade that sets up with the axis slope of cover barrel hole, changes the direction of the rivers that the impeller drove, improves the water yield that the oxygen-increasing machine impeller sprinkled to pivot axis direction to increase the water yield that sprinkles on the oxygen-increasing machine motor, improve and carry out refrigerated efficiency to the oxygen-increasing machine motor.

The utility model discloses another aspect provides a waterwheel formula oxygen-increasing machine, through for the blade that sets up with the pivot slope, improve the water yield that the oxygen-increasing machine impeller sprinkled to pivot axis direction to increase the water yield of sprinkle on the oxygen-increasing machine motor, improve and carry out refrigerated efficiency to the oxygen-increasing machine motor.

Drawings

Fig. 1 is a side view of an embodiment of an impeller according to the present invention.

Fig. 2 is a perspective view of an embodiment of an impeller according to the present invention, which is observed along an extending direction of one of the blades.

Fig. 3 is a side view of another embodiment of an impeller according to the present invention.

Fig. 4 is a perspective view of another embodiment of the impeller according to the present invention, viewed along the extending direction of one of the blades.

Fig. 5 is an axial view of an embodiment of the waterwheel type aerator of the present invention.

Fig. 6 is a projection view of the waterwheel type aerator according to an embodiment of the present invention, which is observed along the extending direction of one of the blades.

Fig. 7 is a projection view of the waterwheel type aerator according to an embodiment of the present invention, which is observed along the extending direction of the rotating shaft.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative, and not limiting. Terms such as first, second, etc. in this document are only used for distinguishing one entity (or operation) from another entity (or operation), and do not indicate any relationship or order between these entities (or operations); in addition, terms such as upper, lower, left, right, front, rear, and the like in the text denote directions or orientations, and only relative directions or orientations, not absolute directions or orientations. Without additional limitation, an element defined by the phrase "comprising" does not exclude the presence of other elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1 to 4, in a first aspect, the present invention provides an impeller 1 for an aerator, including a sleeve 13 and a plurality of blades 11 connected to each other, the sleeve 13 is provided with a sleeve hole 131 for connecting a rotating shaft 12 of the aerator, and the blades 11 are disposed in an inclined manner with respect to an axis 132 of the sleeve hole 131.

Referring to fig. 1 and 2, in an embodiment of the impeller provided by the present invention, the vane 11 has a flat plate shape, and an included angle between the vane 11 and the axis 132 is 5 ° to 25 °.

The water quantity that impeller 1 was raised to the oxygen-increasing machine motor is increased, prevents simultaneously that too big inclination from arousing that the oxygenation volume reduces by a wide margin.

Referring to fig. 3 and 4, in another embodiment of the impeller provided by the present invention, the blades 11 have an arc-shaped plate shape;

as shown in fig. 1 to 4, an angle α between a projection of a line 112 connecting midpoints of edges of both ends of the blade 11 in the direction of the axis 132 and a projection of the axis 132 on a plane perpendicular to the direction in which the blade 11 extends is 5 ° to 25 °.

The extension direction of the blades 11 is the radial direction of the sleeve 13 intersecting the blades 11 themselves.

The blades 11 are provided with water leakage holes 111, and the blades 11 are connected with the sleeve 13 through the support rods 12; the blades 11 are uniformly arranged along the circumferential direction of the sleeve 13; the number of the blades 11 is four to eight.

Like fig. 5 to fig. 7, the second aspect, the utility model provides a waterwheel type oxygen-increasing machine still, including motor 3, pivot 2 and first impeller, motor 3 drive pivot 2 rotates, and on first impeller was fixed in pivot 2, first impeller had a plurality of blades, and the blade sets up for the pivot slope.

In an embodiment of the oxygen-increasing machine of the present invention, the first impeller 1 is an impeller provided in the first aspect of the embodiment of the present invention; the first impeller 1 is in key connection or interference fit with the rotating shaft.

The utility model discloses an in the embodiment of the oxygen-increasing machine, the oxygen-increasing machine is still including being fixed in the epaxial second impeller 4 of pivot 2, and second impeller 4 sets up in the both sides of motor 3 with first impeller 1 mirror symmetry.

In an embodiment of the utility model, the aerator further comprises an impeller with blades arranged in parallel relative to the rotating shaft 2, and the first impeller 1 and the second impeller 4 are a pair of impellers closest to the motor 3.

The rotating shaft 2 can be an output shaft of the motor 3 and can also be connected with the output shaft of the motor 3 through a reduction box.

In an embodiment of the present invention, the motor 3 is not provided with an air cooling system, and the exterior is not additionally provided with a waterproof cover for ventilation, and the cooling water sprayed by the impeller directly contacts with the housing of the motor 3; the assembly surface of the motor 3 shell selects a proper sealing mode, such as a sealing gasket and a sealant; the shell of the motor 3 is made of aluminum alloy and certain rust-proof and corrosion-proof treatment is carried out on the outer surface of the shell.

The utility model discloses an embodiment of oxygen-increasing machine, on the 2 planes of perpendicular to pivot, use pivot 2 as the utmost point, use the direction of rotation that pivot 2 was predetermine to be positive and establish polar coordinate system, the blade 11 is close to the polar angle of the midpoint 113 of the edge of the one end of motor 3 on polar coordinate system and the blade keeps away from the difference of the polar angle of the midpoint 114 of the edge of the one end of motor on polar coordinate system is the burden.

In another embodiment of the oxygen increasing machine of the present invention, the first impeller may not be provided with a sleeve, and is connected to the rotating shaft in other forms, for example: the impeller and the rotating shaft are integrally formed, or the blades are directly welded on the rotating shaft.

In another embodiment of the oxygen-increasing machine of the present invention, the blades are flat, and the included angle between the blades and the rotating shaft is 5 ° to 25 °.

In another embodiment of the oxygen increasing machine of the present invention, on a plane perpendicular to the extending direction of the blades, the angle between the projection of the line connecting the midpoints of the edges of the two ends of the blades in the axial direction of the rotating shaft and the projection of the axis of the rotating shaft is 5 ° to 25 °.

In another embodiment of the oxygen increasing machine of the utility model, the blades are provided with water leakage holes, the impeller is connected with the rotating shaft through the sleeve, and the blades are connected with the sleeve through the supporting rod; the blades are uniformly distributed along the circumferential direction of the sleeve; the number of blades is four to eight.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The utility model provides an impeller for waterwheel formula oxygen-increasing machine, its characterized in that, including continuous sleeve and a plurality of blade, the sleeve is equipped with the cover barrel hole, the cover barrel hole is used for connecting the pivot of oxygen-increasing machine, the blade for the axis slope in cover barrel hole sets up.

2. The impeller according to claim 1, characterized in that said blades are flat and have an angle of 5 ° to 25 ° with respect to said axis.

3. The impeller according to claim 1, wherein a projection of a line connecting midpoints of edges of both ends of the blade in the direction of the axis on a plane perpendicular to a direction in which the blade extends makes an angle of 5 ° to 25 ° with a projection of the axis.

4. The impeller as claimed in claim 1, wherein said blades are provided with water leakage holes, said blades being connected to said sleeve by struts; the blades are uniformly distributed along the circumferential direction of the sleeve; the number of the blades is four to eight.

5. The utility model provides a waterwheel type oxygen-increasing machine, its characterized in that includes motor, pivot and first impeller, motor drive the pivot is rotated, first impeller is fixed in the pivot, first impeller has a plurality of blades, the blade for the pivot slope sets up.

6. The waterwheel type aerator according to claim 5, wherein the blades are flat, and an included angle between the blades and the rotating shaft is 5 ° to 25 °.

7. The waterwheel type aerator according to claim 5, wherein an angle between a projection of a line connecting midpoints of edges of both ends of the blades in the axial direction of the rotating shaft and a projection of the axis of the rotating shaft is 5 ° to 25 ° on a plane perpendicular to the extending direction of the blades.

8. The waterwheel type aerator according to claim 5, wherein the blades are provided with water leakage holes, the impeller is connected with the rotating shaft through a sleeve, and the blades are connected with the sleeve through a support rod; the blades are uniformly distributed along the circumferential direction of the sleeve; the number of the blades is four to eight.

9. The waterwheel type aerator according to claim 5, further comprising a second impeller fixed on the rotating shaft, wherein the second impeller and the first impeller are arranged on both sides of the motor in a mirror symmetry.

10. The waterwheel type aerator according to claim 5, wherein a polar coordinate system is established with the rotation shaft as a pole and the rotation direction preset by the rotation shaft as a positive on a plane perpendicular to the rotation shaft, and a difference between a polar angle of a projected point of a midpoint of an edge of one end of the blade close to the motor on the polar coordinate system and a polar angle of a projected point of a midpoint of an edge of one end of the blade far from the motor on the polar coordinate system is negative.