CN217609023U

CN217609023U - Driving structure of aerator, waterwheel type aerator and impeller type aerator

Info

Publication number: CN217609023U
Application number: CN202120385143.4U
Authority: CN
Inventors: 钟丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2022-10-21
Anticipated expiration: 2031-02-21

Abstract

The utility model discloses an oxygen-increasing machine's drive structure relates to industry cultured equipment field, its technical scheme main points are that the driving piece output is provided with the second grade speed reduction subassembly that reduces its drive ratio through planetary gear speed reduction principle, second grade speed reduction subassembly passes through the one-level speed reduction subassembly and is connected by the driving piece, the technological effect is that it has increased the speed reduction scope of impeller pivot, the requirement to driving motor has been reduced, adopt planetary speed reduction principle simultaneously, the realization noise is little, transmission balance and shock resistance vibration ability reinforce, whole knot is compact, can not influence the healthy growth of fish in the pond.

Description

Driving structure of aerator, waterwheel type aerator and impeller type aerator

Technical Field

The utility model relates to a fishery cultured equipment field, in particular to drive structure and waterwheel formula oxygen-increasing machine and impeller type oxygen-increasing machine of oxygen-increasing machine.

Background

A large amount of excrement of organisms such as fish in the pond is deposited at the bottom of the pond, a large amount of harmful gases such as ammonia gas, methane gas and hydrogen sulfide are generated and dissolved in water in the pond to form a saturated solution of the harmful gases. The aerator is a device with the functions of saving fish and shrimp and promoting growth in aquaculture, has the functions of improving water purification quality and increasing dissolved oxygen in water, and mainly has a blade wheel type structure and a waterwheel type structure.

At present, chinese patent publication No. CN211211034U discloses an aerator structure, in which a rotating shaft of an impeller and a motor shaft are offset in parallel, and the motor shaft and the rotating shaft of the impeller are engaged by a large gear and a small gear to realize speed reduction.

Although the design can achieve the effect of reducing the speed of the motor to drive the impeller, the design comprises the following steps: the design only realizes the conversion from high rotating speed to low rotating speed of the motor through the first-stage spur gear transmission, but the reduction ratio which can be achieved by the first-stage gear transmission is smaller, if a larger reduction ratio is desired, the difference of the number of teeth between matched gears is overlarge, the volume of a driven gear is large, the transmission stability is poor, vibration and noise are generated, and adverse effects are caused on the growth of the biological health in a fishpond.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oxygen-increasing machine's drive structure, it has the pivot speed reduction scope that makes the impeller bigger more efficient, the more reliable advantage of transmission.

The above technical object of the present invention can be achieved by the following technical solutions:

a driving structure of an aerator comprises a driving piece, a rack, a floating body and a driven piece, wherein a primary speed reducing component is arranged between the driving piece and the driven piece, and a secondary speed reducing component for reducing the transmission ratio of the driving piece is arranged at the output end of the driving piece; the secondary speed reducing assembly is connected with the driven piece through the primary speed reducing assembly.

By adopting the technical scheme, the speed reduction range of the impeller rotating shaft is increased, the requirement on the driving motor is reduced, and meanwhile, the planetary speed reduction principle is adopted, so that the fish pond has the advantages of low noise, high transmission balance and impact and vibration resistance, compact integral structure and no influence on the healthy growth of fish in the fish pond.

Further setting: the second-stage speed reduction assembly is a parallel shaft type single-stage speed reduction assembly and is one of a gear reducer, a harmonic reducer and a planetary gear reducer.

By adopting the technical scheme, the structure is compact, the return clearance is small, the center of gravity is centered, and the whole structure is stable.

Further setting: the second-stage speed reduction assembly is a vertical shaft type single-stage speed reduction assembly and is one of a conical gear speed reducer and a worm and gear speed reducer.

By adopting the technical scheme, the input shaft and the output shaft are not on the same axis and are not on the same plane, and the speed reduction ratio is larger.

Further setting: the secondary speed reduction assembly is a planetary gear speed reducer and comprises a sleeve detachably connected to the rack, a sun gear arranged at the conveying end of the driving piece and fixed to the circumferential direction of the driving piece, a plurality of planetary pinions meshed with the sun gear, and a gear ring fixedly connected to the inner wall of the sleeve and meshed with all the planetary pinions, wherein the number of teeth of the planetary pinions is smaller than that of the sun gear.

By adopting the technical scheme, the planet pinion is driven to revolve around the sun gear through the sun gear, the number of teeth of the planet pinion is smaller than that of the sun gear, the speed reduction purpose is achieved, meanwhile, the transmission efficiency is high, the structure is compact, the size is small, the weight is light, and stable operation of the whole device is facilitated.

Further setting: the first-stage speed reduction assembly comprises a first gear and a second gear, wherein the first gear is circumferentially fixed on the output shaft, the second gear is meshed with the first gear, the number of teeth of the first gear is smaller than that of teeth of the second gear, and the second gear synchronously rotates with a driven piece through a rotating shaft.

Through adopting above-mentioned technical scheme, drive the gear wheel by the pinion and reduce the drive ratio and realize slowing down, simple structure, be convenient for maintain and change, and owing to link mutually with one-level speed reduction subassembly, can not appear in order to reduce the drive ratio, the gear wheel is too big, pinion undersize, leads to the unstable too big condition of volume of overall installation focus.

Further setting: the gear material in the first-stage reduction assembly and the second-stage reduction assembly is any one of nylon material, polyformaldehyde, polycarbonate and liquid crystal polymer.

Through adopting above-mentioned technical scheme, make gear weight lighter, the noise that produces during the operation is littleer, can not appear rusty condition moreover because of moist operational environment, reduced the cost of equipment.

Further setting: the driving piece and the second-stage speed reducing assembly are detachably connected through bolts.

By adopting the technical scheme, the equipment is convenient to assemble and maintain, and the manufacturing difficulty of the equipment is reduced.

Further setting: a waterproof cover is arranged outside the driving piece.

By adopting the technical scheme, the waterproof cover is arranged in the humid working environment, so that the influence of moisture is less, and the service life is prolonged

The invention also aims to provide the impeller type aerator which has the advantages of low noise during working, stable running and long service life of equipment.

An impeller type aerator comprises a first impeller which is rotatably connected to a rack and can rotate in the circumferential direction along the horizontal direction when stressed by a driven part. The driving part is a driving motor which is arranged on the frame around the first impeller in the radial direction. The floating bodies are arranged circumferentially around the first impeller and support the frame through the connecting rod.

By adopting the technical scheme, the impeller type aerator can be suitable for the existing impeller type aerator on the market, the rotating speed range of the impeller is better controlled, the aeration efficiency is better, and the aerator also has the advantages of stable operation and low noise.

The invention also aims to provide the waterwheel type aerator which has the advantages of low noise during working, stable running and long service life of equipment.

A waterwheel type aerator is characterized in that a driven part is a plurality of second impellers which are rotatably connected to a rack and can rotate in the circumferential direction in the vertical direction when stressed. The second impellers are arranged on the rack at intervals along the horizontal direction through a rotating shaft. The floating body is disposed between the opposite second impellers. The driving part is a driving motor arranged at the center of the frame.

By adopting the technical scheme, the adaptability of the fish pond aerator is enhanced, the fish pond aerator can be generally applied to the existing waterwheel type fish pond aerator on the market, and the economic benefit is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a first preferred embodiment;

FIG. 2 is a partial schematic structural view of the first preferred embodiment;

FIG. 3 is a partial schematic view of the structure of the first embodiment;

FIG. 4 is a schematic view of the overall structure of the second embodiment;

in the figure, 100, float; 101. a connecting rod; 102. a frame; 103. a driven member; 104. a connecting mechanism; 105. a drive member; 106. a secondary speed reduction assembly; 107. a primary speed reduction assembly;

200. a sleeve; 201. a sun gear; 202. a planet pinion gear; 203. a ring gear; 204. a planet carrier; 205. an output shaft;

206. a drive motor; 207. a waterproof cover; 208. an upper flange plate; 209. a bearing; 210. a lower flange plate; 211. a bolt;

212. a first impeller;

300. a first gear; 301. a second gear; 302. a rotating shaft;

400. a second impeller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First preferred embodiment:

an impeller type aerator, as shown in figure 1, comprises a plurality of floating bodies 100 which can float above the water surface, a frame 102 which is jointly supported by the floating bodies 100 through a connecting rod 101, and a driven piece 103 which is rotatably connected below the frame 102 and can rotate circumferentially in the horizontal direction.

The driving member 105 is provided with a connecting mechanism 104 for linking the driven member 103 and a driving member 105 which is arranged on the frame 102 and drives the driven member 103 to rotate circumferentially by linking the connecting mechanism 104.

As shown in fig. 2, the driven member 103 is a first impeller 212, and the connecting mechanism 104 includes a secondary reduction assembly 106 disposed at the output end of the driving member 105 and reducing the transmission ratio by the planetary gear reduction principle, and a primary reduction assembly 107 disposed at the output end of the secondary reduction assembly 106 and reducing the transmission ratio again by engaging a large gear with a small gear.

The secondary speed reducing assembly 106 comprises a sleeve 200 detachably connected to the frame 102, a sun gear 201 arranged at the conveying end of the driving member 105 and fixed with the circumference of the driving member, a plurality of planet pinions 202 meshed with the sun gear 201, and a gear ring 203 fixedly connected to the inner wall of the sleeve 200 and meshed with all the planet pinions 202; the number of teeth of the planetary pinion 202 is smaller than that of the sun gear 201.

The two-stage reduction assembly 106 also includes a planet carrier 204 rotatably connected on one side to the planet pinions 202 and on the other side to an output shaft 205.

The driving member 105 comprises a driving motor 206 and a waterproof cover 207 arranged outside the motor, wherein an upper flange 208 is arranged at the lower end of the waterproof cover 207, and a bearing 209 is arranged between the upper flange 208 and the output end of the motor.

When the planetary gear reducer is used, the driving motor 206 serves as a power source, the conveying end of the driving motor 206 rotates to drive the sun gear 201 to rotate, and the gear ring 203 is fixed and cannot rotate, so that the planetary pinion 202 meshed with the gear ring 203 revolves around the sun gear 201, the planetary carrier 204 is driven to rotate, the output rotating speed is reduced, and the purpose of primary speed reduction is achieved.

As shown in fig. 3, a lower flange 210 is disposed below the sleeve 200, the lower flange 210 is fixedly connected to the frame 102 by a bolt 211, the upper portion of the sleeve 200 is abutted to the upper flange 208, the bolt 211 penetrates the upper flange 208 and then penetrates the sleeve 200 to be connected to the lower flange 210 by a screw thread, and the circumferential rotation of the sleeve 200 is limited and the sleeve 200 can be detachably connected.

The lower part of the lower flange 210 passes through the frame 102 and is connected with the output shaft 205 of the connecting mechanism 104 through a bearing 209.

A detachable connection between the drive member 105 and the connection mechanism 104 and also the frame 102 is achieved for ease of installation and maintenance.

The first-stage speed reduction assembly 107 comprises a first gear 300 circumferentially fixed on the output shaft 205 and a second gear 301 meshed with the first gear 300, and the number of teeth of the first gear 300 is smaller than that of the second gear 301; the second gear 301 rotates in synchronization with the first impeller 212 via the rotating shaft 302.

Another preferred embodiment: a waterwheel type aerator is different from the first preferred embodiment in that

A plurality of second impellers 400 are rotatably connected to the frame 102 through the same rotating shaft 302 and circumferentially rotate in the vertical direction.

As shown in fig. 4, the second impellers 400 are spaced apart from each other in the horizontal direction on the frame 102, the floating body 100 is disposed between two adjacent second impellers 400, the driving member 105 is disposed at the center of the frame, and the driving member 105 is linked with the connecting mechanism 104 to drive the rotating shaft 302 to rotate, thereby driving the second impellers 400 to rotate in the circumferential direction.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a drive structure of oxygen-increasing machine, includes driving piece (105), frame (102), body (100) and driven piece (103), is provided with one-level speed reduction subassembly (107) between driving piece (105) and driven piece (103), its characterized in that: the output end of the driving piece (105) is provided with a two-stage speed reducing component (106) for reducing the transmission ratio of the driving piece; the secondary speed reducing assembly (106) is connected with the driven piece (103) through the primary speed reducing assembly (107).

2. The driving structure of the aerator as claimed in claim 1, wherein: the secondary reduction assembly (106) is a harmonic reducer or a planetary gear reducer.

3. The aerator driving structure as claimed in claim 1, wherein: the secondary speed reducing component (106) is a conical gear speed reducer or a worm gear speed reducer.

4. The aerator driving structure as claimed in claim 1, wherein: the secondary speed reducing assembly (106) is a planetary gear speed reducer and comprises a sleeve (200) detachably connected to the rack (102), a sun gear (201) arranged at the conveying end of the driving piece (105) and fixed to the periphery of the driving piece, a plurality of planetary pinions (202) meshed with the sun gear (201) and a gear ring (203) fixedly connected to the inner wall of the sleeve (200) and meshed with all the planetary pinions (202); the number of teeth of the planet pinion (202) is less than that of the sun gear (201); the two-stage speed reduction assembly (106) further comprises a planet carrier (204) with one side rotationally connected with the planet pinion (202), and an output shaft (205) is arranged on the other side.

5. The driving structure of the aerator as claimed in claim 1, wherein: the first-stage speed reduction assembly (107) is circumferentially fixed on a first gear (300) on the output shaft (205) and a second gear (301) meshed with the first gear, and the number of teeth of the first gear (300) is smaller than that of the second gear (301); the second gear (301) rotates synchronously with the driven member (103) through a rotating shaft (302).

6. The aerator driving structure as claimed in claim 1, wherein: the gears in the first-stage speed reduction assembly (107) and the second-stage speed reduction assembly (106) are made of nylon materials, polyformaldehyde, polycarbonate or liquid crystal polymers.

7. The aerator driving structure as claimed in claim 1, wherein: the driving piece (105) is detachably connected with the secondary speed reducing assembly (106) through a bolt (211).

8. The driving structure of the aerator as claimed in claim 1, wherein: a waterproof cover (207) is arranged outside the driving piece (105).

9. An impeller type fishpond aerator, which is provided with a driving structure of the aerator according to any one of claims 1 to 8, and is characterized in that: the driven part (103) is a first impeller (212) which is rotationally connected to the rack (102) and can rotate circumferentially in the horizontal direction when stressed; the driving part (105) is a driving motor (206) which is arranged on the frame (102) along the radial direction around the first impeller (212); the floats (100) are arranged circumferentially around the first impeller (212) and support the frame (102) by means of the connecting rod (101).

10. A waterwheel type oxygen increasing machine for a fish pond, having a driving structure of the oxygen increasing machine according to any one of claims 1 to 8, which comprises

Is characterized in that: the driven piece (103) is rotationally connected to the rack (102) and can rotate along the circumferential direction in the vertical direction when stressed

A plurality of second impellers (400); the second impellers (400) are arranged on the rack (102) at intervals along the horizontal direction through the rotating shaft (302); the floating body (100) is disposed between two adjacent second impellers (400); the driving part is a driving motor (206) arranged at the center of the frame.