CN109717128A - Waterwheel water activating oxygenation device - Google Patents
Waterwheel water activating oxygenation device Download PDFInfo
- Publication number
- CN109717128A CN109717128A CN201910132087.0A CN201910132087A CN109717128A CN 109717128 A CN109717128 A CN 109717128A CN 201910132087 A CN201910132087 A CN 201910132087A CN 109717128 A CN109717128 A CN 109717128A
- Authority
- CN
- China
- Prior art keywords
- water
- waterwheel
- floating body
- type connecting
- oxygenation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 36
- 230000003213 activating effect Effects 0.000 title claims abstract description 34
- 230000002940 repellent Effects 0.000 claims abstract description 38
- 239000005871 repellent Substances 0.000 claims abstract description 38
- 238000003809 water extraction Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention is intended to provide a kind of balance is good and has the waterwheel water activating oxygenation device of depth running water function.The present invention includes the rotary water repellent device with main shaft, the mounting bracket of two floating bodies of floating body and connection of the axial sides of the rotary water repellent device is set, the rotary water repellent device is mounted in the mounting bracket, the waterwheel water activating oxygenation device further includes two L-type connecting rods and the clockwise and anticlockwise motor that connect with the spindle drive being respectively fixedly connected at the mounting bracket both ends, two straight bar parts of the L-type connecting rod far from the mounting bracket are sliding combined with counterweight floating ball, the L-type connecting rod is provided with position limiting structure far from one end of the mounting bracket, the top of the position limiting structure and the counterweight floating body cooperates, two counterweight floating balls are respectively positioned on the water inlet side of the rotating forward state of the rotary water repellent device.The present invention is applied to the technical field of waterwheel water activating oxygenation device.
Description
Technical field
The present invention relates to a kind of waterwheel water activating oxygenation devices.
Background technique
Aquatic products need oxygen in cultivation, when the solubility of oxygen in water is less than certain value, a variety of water such as fish
Middle biology can not just survive.Current most of water raisers can water cultivation place on floating installation impeller automatic aerator increase
Solubility of the oxygen in water body, with oxygen dissolved needed for reaching the shoal of fish or other aquatic product normal growths.There are a public affairs at present
The number of opening is the Chinese patent of 108450399A, and it discloses a kind of aeration devices comprising the convertible water repellent with main shaft
Device, be arranged in convertible water repellent device axial sides floating body and connect two floating bodies mounting bracket, it is described to turn over
Rotatable water repellent device is mounted in the mounting bracket, and the convertible water repellent device includes several water extraction boards, the main shaft
Position is in along the length of floating body direction and deviates the side in the middle part of the floating body, and the mounting bracket is deviateing the floating body
Clump weight is provided on the another party at middle part.Having a single function for the aeration device is merely able to carry out slight running water and dissolved oxygen, nothing
Method meets the demand to running water function in general farm, while clump weight one end can be sunk to water by reaction force when its reversion
In cause the aerator to be toppled over, be unable to satisfy the workable demand of positive and negative rotation that is provided simultaneously with, balance is insufficient.
Summary of the invention
It is good and have the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of balance
The waterwheel water activating oxygenation device of depth running water function.
The technical scheme adopted by the invention is that: the present invention includes the rotary water repellent device with main shaft, is arranged in institute
State the mounting bracket of two floating bodies of floating body and connection of the axial sides of rotary water repellent device, the rotary water repellent dress
It sets and is mounted in the mounting bracket, the waterwheel water activating oxygenation device further includes being respectively fixedly connected at the mounting bracket both ends
Two L-type connecting rods and the clockwise and anticlockwise motor that is connect with the spindle drive, two L-type connecting rods are far from installation branch
The straight bar part of frame is sliding combined with counterweight floating ball, and the L-type connecting rod is provided with limit far from one end of the mounting bracket
The top of structure, the position limiting structure and the counterweight floating body cooperates, and two counterweight floating balls are respectively positioned on described rotary group
The water inlet side of the rotating forward state of water installations.
By above scheme as it can be seen that by the way that the counterweight floating ball that can be slided on the L-type connecting rod is arranged, and then make institute
The power of different directions can be provided in varied situations to guarantee the balance of the waterwheel water activating oxygenation device by stating counterweight floating ball, work as institute
The one end for stating counterweight floating ball when waterwheel water activating oxygenation device rotates forward work is tilted by reaction force, and the counterweight floating ball will at this time
The gravity of itself, which is applied on the L-type connecting rod, makes the waterwheel water activating oxygenation device keep balance；When the waterwheel running water oxygenation
Machine is sunk one end of the counterweight floating ball when inverting work by reaction force, and the counterweight floating ball mentions under the action of buoyancy at this time
The L-type connecting rod is played, makes the waterwheel water activating oxygenation device that balance be kept not topple over.By being arranged the counterweight floating ball in institute
The water inlet side of the rotating forward state of waterwheel water activating oxygenation device is stated, the waterwheel water activating oxygenation device is floating to the counterweight when inverting work
Ball applies downward power and makes described one section of waterwheel water activating oxygenation device integral sinking with the cooperation of the gravity of the counterweight floating ball itself
Distance, and then make the larger range of drive water flow movement of rotary water repellent device, achieve the effect that depth running water.
One preferred embodiment is that the mounting bracket includes a pair of of corner crossbeam and base cross members, and two corners are horizontal
Beam is fixed with the base cross members respectively by two root posts, and the main axis cooperation is on two corner crossbeams, institute
The top surface of floating body is stated equipped with the first link slot with the corner beam engagement, the bottom surface of the floating body is equipped with and the bottom transverse
Second link slot of beam cooperation, the floating body cooperate close to the one side of the main shaft and the column, and the L-type connecting rod is worn
It crosses the base cross members and cooperates with the floating body.
From above scheme as it can be seen that being fixed on the base cross members by using with plug-in type and by the l-shaped rod
End and cooperated by the corner crossbeam and first link slot, reaches the complete limit to the floating body, lead to simultaneously
Cross makes to install more convenient and quicker using plug-in type installation, while avoiding passing through screw and connect with the floating body and causing its connecting portion
Structure is insecure or leakage phenomenon occurs.
Further preferred embodiment is that the L-type connecting rod is connected with and the bottom close to one end of the mounting bracket
The stop nut of beam engagement, the end of the base cross members are provided with the positioning bolt being fixedly connected with the L-type connecting rod.
By above scheme as it can be seen that making the L-type connecting rod and the bottom by the stop nut and the positioning bolt
Portion's crossbeam is fixedly connected.
Further preferred embodiment is that, institute logical with the support side of the corner beam engagement is provided at the top of the floating body
The logical top surface in support side is stated to flush with the bottom surface of first link slot.
By above scheme as it can be seen that the waterwheel water activating oxygenation device assembly after the corner crossbeam bottom and the support side
Logical top surface cooperation, by the logical uniform quality by the rotary water repellent device in the support side be distributed to two it is described floating
On body, power is avoided excessively to concentrate the structure for destroying the floating body.
One preferred embodiment is that the revolving speed of the inverted status of the clockwise and anticlockwise motor rotates forward the one of the revolving speed of state for it
Half, the rotating forward state of the clockwise and anticlockwise motor is identical as the torque of inverted status.
By above scheme as it can be seen that the bigger suffered resistance of the linear velocity of the rotary water repellent device in water is bigger, lead to
The revolving speed for reducing the inverted status of the clockwise and anticlockwise motor while the torque for keeping the state are crossed, the rotary water repellent device is made
Bigger direction underwater power can be obtained when being in inverted status, and then make the rotary water repellent device further under
It is heavy, enable the larger range of drive water flow movement of rotary water repellent device, achievees the effect that further depth running water.
One preferred embodiment is that the rotary water repellent device further includes the impeller with the main shaft secure fit, described
Circumference array is provided with several water repellent components on the outer wall of impeller, and the water repellent component includes water extraction board and the installation of several water extraction boards
Bar, several water extraction board mounting rods are fixedly connected with the water extraction board, and the water extraction board mounting rod is far from the water extraction board
One end be fixedly connected with the impeller.
By above scheme as it can be seen that water extraction board mounting rod is distributed in a manner of three-dimensional circumference array, uniform design guarantees water repellent
Plate can be with stable operation.
Further preferred embodiment is that several holes that are filled with water are provided on the water extraction board.
By above scheme, as it can be seen that design is filled with water, hole is used in water repellent, and pockets of water is separated and is dispersed, then is transfering to water
Afterwards, water droplet is formed so that the fresh air in atmosphere more dissolves in water, to achieve the purpose that oxygenation.
One preferred embodiment is that the shape of the counterweight floating body is inverted cone.
One preferred embodiment is that the lower part of the straight bar part of the L-type connecting rod far from the mounting bracket is provided with stress
The bottom tip of part, the stressed member and the counterweight floating body cooperates.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the schematic perspective view of the rotary water repellent device；
Fig. 3 is the structural schematic diagram that the present invention rotates forward working condition；
Fig. 4 is the structural schematic diagram of the anti-working condition of the present invention.
Specific embodiment
As shown in Figures 1 to 4, in the present embodiment, the present invention includes the rotary water repellent device with main shaft 11, setting
In the mounting bracket 3 of two floating bodies 2 of floating body 2 and connection of the axial sides of the rotary water repellent device, the revolution
Formula water repellent device is mounted in the mounting bracket 3, and the waterwheel water activating oxygenation device further includes being respectively fixedly connected in the peace
Fill two L-type connecting rods 4 at 3 both ends of bracket and the clockwise and anticlockwise motor with the main shaft 11 transmission connection, two L-type connecting rods
4 straight bar parts far from the mounting bracket 3 are sliding combined with counterweight floating ball 5, and the L-type connecting rod 4 is far from installation branch
One end of frame 3 is provided with position limiting structure 6, and the top of the position limiting structure 6 and the counterweight floating body 2 cooperates, two counterweights
Floating ball 5 is respectively positioned on the water inlet side of the rotating forward state of the rotary water repellent device.
In the present embodiment, the mounting bracket 3 includes a pair of of corner crossbeam 31 and base cross members 32, two corners
Crossbeam 31 is fixed with the base cross members 32 respectively by two root posts 33, and the main shaft 11 is rotatably assorted in two corners
On crossbeam 31, the top surface of the floating body 2 is equipped with the first link slot cooperated with the corner crossbeam 31, the bottom surface of the floating body 2
Equipped with the second link slot cooperated with the base cross members 32, the floating body 2 close to the main shaft 11 one side with it is described
Column 33 cooperates, and the L-type connecting rod 4 passes through the base cross members 32 and cooperates with the floating body 2.
In the present embodiment, the L-type connecting rod 4 is connected with and the base cross members close to one end of the mounting bracket 3
The stop nut 34 of 32 cooperations, the end of the base cross members 32 is provided with the positioning bolt being fixedly connected with the L-type connecting rod 4
35。
In the present embodiment, the support side logical 7 with the corner crossbeam 31 cooperation is provided at the top of the floating body 2, it is described
The top surface of support side logical 7 is flushed with the bottom surface of first link slot.
In the present embodiment, the revolving speed of the inverted status of the clockwise and anticlockwise motor rotates forward the half of the revolving speed of state for it,
The rotating forward state of the clockwise and anticlockwise motor is identical as the torque of inverted status.
In the present embodiment, the rotary water repellent device further includes the impeller 12 with 11 secure fit of main shaft, institute
It states circumference array on the outer wall of impeller 12 and is provided with several water repellent components, the water repellent component includes water extraction board 13 and several water repellents
Plate mounting rod 14, several water extraction board mounting rods 14 are fixedly connected with the water extraction board 13, the water extraction board mounting rod 14
One end far from the water extraction board 13 is fixedly connected with the impeller 12.
In the present embodiment, several holes 15 that are filled with water are provided on the water extraction board 13.
In the present embodiment, the shape of the counterweight floating body 2 is inverted cone.
In the present embodiment, the lower part of straight bar part of the L-type connecting rod 4 far from the mounting bracket 3 is provided with stress
The bottom tip of part, the stressed member and the counterweight floating body 2 cooperates.
In the present embodiment, the corner crossbeam 31 is provided with handle ring far from one end of the main shaft 11.
Workflow of the invention:
As shown in figure 3, the waterwheel water activating oxygenation device, which is in, rotates forward working condition, the impeller 12 is on the figure direction along up time
Needle direction rotates, and several water extraction boards 13 are successively squeezed into water in rotation process, and water is transferred to the water surface in the other side, makes
Oxygen incorporates in water, and straight bar part of the L-type connecting rod 4 far from the mounting bracket 3 is pressed under the gravity of the counterweight floating ball 5
Bottom, so that the waterwheel water activating oxygenation device is in a horizontal state.
As shown in figure 4, the waterwheel water activating oxygenation device is in reversion working condition, the impeller 12 edge on the figure direction
It rotates in an anti-clockwise direction, one distance of waterwheel water activating oxygenation device integral sinking, while the waterwheel water activating oxygenation device is to described
The side of counterweight floating ball 5 tilts, and the counterweight floating ball 5 slides into the top of the L-type connecting rod 4, and mentions for the L-type connecting rod 4
Topple over the waterwheel water activating oxygenation device will not for buoyancy, the water extraction board 13 pushes water flow flowing, realize running water function and
Slight dissolved oxygen.
The present invention is applied to the technical field of waterwheel water activating oxygenation device.
Although the embodiment of the present invention is described with practical solution, the limit to meaning of the present invention is not constituted
It makes, for those skilled in the art, is all to the modification of its embodiment and with the combination of other schemes according to this specification
Obviously.
Claims (9)
1. waterwheel water activating oxygenation device, fill including the rotary water repellent device with main shaft (11), setting in the rotary water repellent
The floating body (2) for the axial sides set and the mounting bracket (3) for connecting two floating bodies (2), the rotary water repellent device peace
On the mounting bracket (3), it is characterised in that: the waterwheel water activating oxygenation device further includes being respectively fixedly connected in the peace
Fill two L-type connecting rods (4) at bracket (3) both ends and the clockwise and anticlockwise motor with the main shaft (11) transmission connection, two L
Type connecting rod (4) is sliding combined with counterweight floating ball (5) far from the straight bar part of the mounting bracket (3), the L-type connecting rod (4)
One end far from the mounting bracket (3) is provided with position limiting structure (6), the position limiting structure (6) and the counterweight floating body (2)
Top cooperation, two counterweight floating balls (5) are respectively positioned on the water inlet side of the rotating forward state of the rotary water repellent device.
2. waterwheel water activating oxygenation device according to claim 1, it is characterised in that: the mounting bracket (3) includes a pair of turns
Angle crossbeam (31) and base cross members (32), two corner crossbeams (31) by two root posts (33) respectively with the bottom transverse
Beam (32) is fixed, and the main shaft (11) is rotatably assorted on two corner crossbeams (31), and the top surface of the floating body (2) is equipped with
With the first link slot of the corner crossbeam (31) cooperation, the bottom surface of the floating body (2) is equipped with matches with the base cross members (32)
The second link slot closed, the floating body (2) cooperate close to the one side of the main shaft (11) and the column (33), the L
Type connecting rod (4) passes through the base cross members (32) and cooperates with the floating body (2).
3. waterwheel water activating oxygenation device according to claim 2, it is characterised in that: the L-type connecting rod (4) is close to the installation
One end of bracket (3) is connected with the stop nut (34) with the base cross members (32) cooperation, the end of the base cross members (32)
End is provided with the positioning bolt (35) being fixedly connected with the L-type connecting rod (4).
4. waterwheel water activating oxygenation device according to claim 2, it is characterised in that: floating body (2) top is provided with and institute
The support side for stating corner crossbeam (31) cooperation leads to (7), and the top surface of the support side logical (7) and the bottom surface of first link slot are neat
It is flat.
5. waterwheel water activating oxygenation device according to claim 1, it is characterised in that: the inverted status of the clockwise and anticlockwise motor
Revolving speed rotates forward the half of the revolving speed of state for it, and the rotating forward state of the clockwise and anticlockwise motor is identical as the torque of inverted status.
6. waterwheel water activating oxygenation device according to claim 1, it is characterised in that: the rotary water repellent device further include with
The impeller (12) of main shaft (11) secure fit, circumference array is provided with several water repellent groups on the outer wall of the impeller (12)
Part, the water repellent component include water extraction board (13) and several water extraction board mounting rods (14), several water extraction board mounting rods (14)
Be fixedly connected with the water extraction board (13), the water extraction board mounting rod (14) far from the water extraction board (13) one end with it is described
Impeller (12) is fixedly connected.
7. waterwheel water activating oxygenation device according to claim 6, it is characterised in that: be provided on the water extraction board (13) several
Be filled with water hole (15).
8. waterwheel water activating oxygenation device according to claim 1, it is characterised in that: the shape of the counterweight floating body (2) is to fall
The cone set.
9. waterwheel water activating oxygenation device according to claim 8, it is characterised in that: the L-type connecting rod (4) is far from the installation
The lower part of the straight bar part of bracket (3) is provided with stressed member, and the stressed member and the bottom tip of the counterweight floating body (2) are matched
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132087.0A CN109717128A (en) | 2019-02-22 | 2019-02-22 | Waterwheel water activating oxygenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132087.0A CN109717128A (en) | 2019-02-22 | 2019-02-22 | Waterwheel water activating oxygenation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109717128A true CN109717128A (en) | 2019-05-07 |
Family
ID=66301565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132087.0A Pending CN109717128A (en) | 2019-02-22 | 2019-02-22 | Waterwheel water activating oxygenation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109717128A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937806A (en) * | 2020-09-01 | 2020-11-17 | 舒城县明公农业开发有限责任公司 | Aquaculture is with evenly dispersing type water apparatus of oxygen supply |
| CN112806310A (en) * | 2019-11-18 | 2021-05-18 | 吴俊概 | Motor-direct-driven waterwheel type aerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459888Y (en) * | 2000-12-08 | 2001-11-21 | 李森墉 | Floating-type air disc stable structure |
| CN104430139A (en) * | 2014-12-25 | 2015-03-25 | 喃嵘水产(上海)有限公司 | Novel waterwheel type aerator |
| CN204616785U (en) * | 2015-03-10 | 2015-09-09 | 孙克标 | Drying aerator |
| WO2017107336A1 (en) * | 2015-12-25 | 2017-06-29 | 广东英锐生物科技有限公司 | Submerged turbine aerator |
| CN107646784A (en) * | 2017-11-09 | 2018-02-02 | 上海能正渔业科技开发有限公司 | One kind remote control promotees stream and gathers dirty device |
| CN108450399A (en) * | 2018-05-31 | 2018-08-28 | 珠海和丰智能设备有限公司 | Aeration device |
| CN209768644U (en) * | 2019-02-22 | 2019-12-13 | 珠海聚能精密工业有限公司 | Water-activating automatic aerator for waterwheel |
-
2019
- 2019-02-22 CN CN201910132087.0A patent/CN109717128A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459888Y (en) * | 2000-12-08 | 2001-11-21 | 李森墉 | Floating-type air disc stable structure |
| CN104430139A (en) * | 2014-12-25 | 2015-03-25 | 喃嵘水产(上海)有限公司 | Novel waterwheel type aerator |
| CN204616785U (en) * | 2015-03-10 | 2015-09-09 | 孙克标 | Drying aerator |
| WO2017107336A1 (en) * | 2015-12-25 | 2017-06-29 | 广东英锐生物科技有限公司 | Submerged turbine aerator |
| CN107646784A (en) * | 2017-11-09 | 2018-02-02 | 上海能正渔业科技开发有限公司 | One kind remote control promotees stream and gathers dirty device |
| CN108450399A (en) * | 2018-05-31 | 2018-08-28 | 珠海和丰智能设备有限公司 | Aeration device |
| CN209768644U (en) * | 2019-02-22 | 2019-12-13 | 珠海聚能精密工业有限公司 | Water-activating automatic aerator for waterwheel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112806310A (en) * | 2019-11-18 | 2021-05-18 | 吴俊概 | Motor-direct-driven waterwheel type aerator |
| CN111937806A (en) * | 2020-09-01 | 2020-11-17 | 舒城县明公农业开发有限责任公司 | Aquaculture is with evenly dispersing type water apparatus of oxygen supply |
| CN111937806B (en) * | 2020-09-01 | 2022-01-28 | 舒城县明公农业开发有限责任公司 | Aquaculture is with evenly dispersing type water apparatus of oxygen supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109717128A (en) | Waterwheel water activating oxygenation device | |
| CN103004683B (en) | Automatic feeding and aerating device for pound | |
| CN204634770U (en) | Formula aerator is goed deep into for aquaculture | |
| CN203814400U (en) | Water-raising impeller structure of waterwheel aerator | |
| CN114467835A (en) | Automatic oxygenation device for freshwater fish culture | |
| CN204670166U (en) | A kind of oxygen-enriching machine in fish pond | |
| TWI701996B (en) | Motor direct drive waterwheel type aerator | |
| CN112167162A (en) | Oxygenation device for soft-shelled turtle breeding in winter | |
| CN209768644U (en) | Water-activating automatic aerator for waterwheel | |
| CN109588365A (en) | A kind of aeration device for pools without external connection power source | |
| CN101088327A (en) | Movable ventilator | |
| CN108450399B (en) | Aerator | |
| DE1911457C3 (en) | Device for mechanical surface ventilation of standing or flowing water | |
| CN113854231A (en) | Efficient and energy-saving aerator for aquaculture and working method | |
| CN210193523U (en) | Double-rotary-paddle self-balancing water plowing machine | |
| CN209089373U (en) | A kind of production of peanut seed is with mixing malicious device | |
| CN202026708U (en) | Transmission device of aerator | |
| CN209140080U (en) | A kind of laser marking device of accurate positioning | |
| CN107306871B (en) | Two-blade water-sliding type water plowing machine | |
| CN208894044U (en) | A kind of stirring apparatus | |
| CN208300746U (en) | Aeration device | |
| CN102144607A (en) | Transmission of oxygen increasing machine | |
| CN115399281B (en) | Oxygen supply equipment capable of detecting oxygen content in aquaculture pond | |
| CN216983104U (en) | Funny cat toy | |
| TWM569554U (en) | Aquaculture water wheel with dynamic adjustment of water depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |