Aerator for lobster breeding
By introducing a combination structure of stepper motor, reel, and traction rope into the aerator, the collision problem caused by the aerator moving on the water surface was solved, achieving stable fixation of the aerator and increasing the oxygen content of the water.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-04-03
AI Technical Summary
The existing aerators used in crayfish farming are prone to movement when stirring the water surface, which increases the probability of them colliding with and being damaged by objects around the crayfish pond.
It adopts a combination structure of stepper motor, reel, traction rope and counterweight. The stepper motor drives the worm gear to drive the worm wheel and reel to rotate. The traction rope is released and contacts the bottom of the shrimp pond to fix the aerator. Combined with the tumbling paddle, it stirs the water to increase the oxygen content.
This effectively reduces the probability of the aerator moving on the water surface, minimizes collisions and damage to items around the shrimp pond, and increases the oxygen content of the water.
Smart Images

Figure CN224069513U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crayfish farming, specifically an aerator for crayfish farming. Background Technology
[0002] Lobster farming refers to the commercial raising of lobsters. In the farming waters, habitats are provided for the lobsters, such as rubble, bricks, stones, netting, old tires, and straw mats, for shelter and defense against predators. The pond must have good water inlet and drainage facilities. The pond should be constructed as a ditch-like structure with a water surface area of 4 meters and a surrounding dike of 3 meters. Lobsters are monogamous, and they dig burrows 1-1.5 meters deep. During the farming process, it is necessary to monitor the oxygen content of the water in real time, and to add oxygen promptly when the oxygen level drops below zero.
[0003] Current aerators used in crayfish farming, as described in patent CN211048199U, include buoyancy airbags, a tumbling aeration device, an air injection aeration device, and a steering adjustment device. The buoyancy airbags consist of two units, with the upper middle portion of the outer surface of each airbag fixedly connected to both sides of the bottom surface of a support plate. A mounting box is located at the upper middle of the support plate. The rear upper sides of the outer surfaces of the two airbags are fixedly connected to both sides of the bottom surface of the mounting plate. An electric marine propeller is fitted into the mounting opening at the upper end of the mounting plate. The tumbling aeration device is located inside the mounting box and works in conjunction with the buoyancy airbags. The air injection aeration device is located at the lower middle of the mounting box and works in conjunction with the buoyancy airbags. The steering adjustment device is located on the rear side of the mounting plate and works in conjunction with the electric marine propeller.
[0004] Regarding the aforementioned technologies, the inventors believe that the tumbling aeration device tumbles the water surface during operation. Since the entire aerator floats on the water surface, the tumbling process can easily cause the entire aerator to move, thereby increasing the probability of collision and damage with objects around the shrimp pond. Utility Model Content
[0005] The purpose of this invention is to provide an aerator for lobster farming to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] An aerator for lobster farming, including
[0008] An oxygenation mechanism includes a base plate, a baffle frame fixedly connected to the top of the base plate, floats symmetrically fixedly connected to the bottom of the base plate, an electric marine propeller fixedly connected to the bottom of the base plate between the two sets of floats, a dual-shaft motor fixedly connected to the middle of the top of the base plate, a tumbling paddle fixedly connected to the conveying end of the dual-shaft motor, a water pump fixedly connected to the base plate on one side of the dual-shaft motor, a suction pipe fixedly connected to the input end of the water pump, the suction pipe penetrating the base plate, and an external threaded pipe fixedly connected to the output end of the water pump, with a nozzle threadedly connected to the end of the external threaded pipe away from the water pump.
[0009] The limiting mechanism includes a symmetrically rotatably connected scrolls inside the baffle frame. Traction ropes are symmetrically fixedly connected to the outer sides of two sets of scrolls. Through holes are provided at the four corners of the interior of the base plate. Each set of traction ropes passes through each set of through holes. A counterweight is fixedly connected to the end of each set of through holes away from the scrolls. Worm gears are fixedly connected to one side of each set of scrolls. Worms are meshed with the outer sides of the two sets of worm gears. A stepper motor is fixedly connected to the top side of the base plate. The output end of the stepper motor is meshed with one end of the worm.
[0010] As a further embodiment of this invention: a filter screen is fixedly connected to the end of the water suction pipe away from the water pump.
[0011] As a further embodiment of this utility model: each group of through holes is provided with a guide shaft that is rotatably connected to the base plate, and each group of traction ropes passes around the outside of the guide shafts.
[0012] As a further embodiment of this utility model: each group of traction ropes is symmetrically provided with baffles on the outer side, and each group of baffles is fixedly connected to the reel.
[0013] As a further embodiment of this utility model: the top of the baffle frame abuts against a cover plate, and the external threaded tube passes through the cover plate.
[0014] As a further embodiment of this utility model: a nut is threadedly connected to the outer side of the externally threaded tube, a rubber ring is abutted against the bottom of the nut, the rubber ring abuts against the cover plate, and the rubber ring is sleeved on the outer side of the externally threaded tube.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] With the above-described structure, this invention utilizes the cooperation of a stepper motor, a reel, a traction rope, and a counterweight. When the stepper motor starts, it drives the worm gear to rotate. The rotation of the worm gear drives two sets of worm wheels and two sets of reels to rotate synchronously, releasing the traction rope wound around the outside of the reel. As the traction rope is released, the counterweight moves downwards under gravity until each set of counterweights contacts the bottom of the shrimp pond. This effectively reduces the probability of the aerator moving on the water surface during the aeration process, thus lowering the probability of the aerator colliding with and being damaged by objects around the shrimp pond. Attached Figure Description
[0017] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings, but this does not constitute any limitation on the present invention.
[0018] Figure 1 This is a partial structural cross-sectional view of an aerator used in lobster farming.
[0019] Figure 2 An aerator for lobster farming Figure 1 A schematic diagram of the structure of part A.
[0020] Figure 3 An aerator for lobster farming Figure 1 A schematic diagram of the structure of part B.
[0021] Figure 4 This is a schematic diagram of an aerator used in lobster farming.
[0022] Figure 5 An aerator for lobster farming Figure 4 A schematic diagram of the C section structure.
[0023] In the diagram: 1. Aeration mechanism; 101. Bottom plate; 102. Float; 103. Electric marine propulsion unit; 104. Baffle frame; 105. Dual-shaft motor; 106. Tumbler; 107. Water pump; 108. Suction pipe; 109. Filter screen; 110. Cover plate; 111. Nut; 112. Rubber ring; 113. Nozzle; 114. Externally threaded pipe; 2. Limiting mechanism; 201. Reel; 202. Baffle; 203. Traction rope; 204. Through hole; 205. Guide shaft; 206. Worm gear; 207. Worm; 208. Counterweight; 209. Stepper motor. Detailed Implementation
[0024] The technical solution of this patent will be further described in detail below with reference to specific embodiments.
[0025] Please see Figure 1-5An aerator for lobster farming includes an aeration mechanism 1. The aeration mechanism 1 includes a base plate 101, a baffle frame 104 fixedly connected to the top of the base plate 101, and floats 102 symmetrically fixedly connected to the bottom of the base plate 101. The floats 102 are arranged to facilitate the entire aerator floating on the water surface. An electric marine propeller 103 is provided between the two sets of floats 102 and fixedly connected to the bottom of the base plate 101. The electric marine propeller 103 is used to propel the entire aerator on the water surface when starting up, thereby facilitating the adjustment of the aeration position.
[0026] A dual-axis motor 105 is fixedly connected to the top center of the base plate 101. The conveying end of the dual-axis motor 105 is fixedly connected to a tumbling paddle 106. The dual-axis motor 105 is configured to drive the tumbling paddle 106 to rotate during startup, allowing the rotating paddle 106 to agitate the water, thereby increasing the contact between the water and air and improving the oxygen content of the water. A water pump 107 is fixedly connected to the base plate 101 on one side of the dual-axis motor 105. A suction pipe 108 is fixedly connected to the input end of the water pump 107, penetrating the base plate 101. The water pump 107 is configured to extract water. A filter screen 109 is fixedly connected to the end of the suction pipe 108 away from the water pump 107. The filter screen 109 is configured to filter the water drawn into the suction pipe 108, thereby reducing the probability of impurities in the water being drawn into the water pump 107.
[0027] The output end of the water pump 107 is fixedly connected to an externally threaded pipe 114. A nozzle 113 is threadedly connected to the end of the externally threaded pipe 114 furthest from the water pump 107. The externally threaded pipe 114 is used to guide the water pumped by the water pump 107 during operation, and finally spray it out through the nozzle 113, thereby increasing the contact between water and air, and thus increasing the oxygen content of the water. A cover plate 110 abuts against the top of the baffle frame 104. The externally threaded pipe 114 passes through the cover plate 110. The cover plate 110 is used to close the baffle frame 104, reducing the probability of water falling inside the baffle frame 104.
[0028] A nut 111 is threaded onto the outer side of the externally threaded tube 114. The nut 111 serves to limit the movement of the cover plate 110. A rubber ring 112 abuts against the bottom of the nut 111 and abuts against the cover plate 110. The rubber ring 112 is fitted onto the outer side of the externally threaded tube 114 and seals the gap between the cover plate 110 and the externally threaded tube 114 to reduce the probability of water flowing into the baffle frame 104 through the gap between the cover plate 110 and the externally threaded tube 114. The limiting mechanism 2 includes a spool 201 symmetrically rotatably connected inside the baffle frame 104. Traction ropes 203 are symmetrically fixed to the outer sides of both spools 201. The spools 201 are used to wind up and unwind the traction ropes 203 during rotation.
[0029] Each set of traction ropes 203 has symmetrically arranged baffles 202 on its outer side. Each set of baffles 202 is fixedly connected to the reel 201. The baffles 202 are used to limit the winding and unwinding of the traction ropes 203. Worm gears 206 are fixedly connected to one side of each set of reels 201. Worms 207 are meshed with the outer sides of the two sets of worm gears 206. The worms 207 are used to drive the two sets of worm gears 206 and the two sets of reels 201 to rotate synchronously when rotating. A stepper motor 209 is fixedly connected to one side of the top of the base plate 101. The output end of the stepper motor 209 is meshed with one end of the worm 207. The stepper motor 209 is used to drive the worm 207 to rotate when starting work.
[0030] The bottom plate 101 has through holes 204 at each of its four corners. Each set of traction ropes 203 passes through these through holes 204. Each set of through holes 204 contains a guide shaft 205 that is rotatably connected to the bottom plate 101. The traction ropes 203 pass around the outside of the guide shafts 205. The guide shafts 205 guide the traction ropes 203, reducing wear between them and the bottom plate 101. A counterweight 208 is fixedly connected to the end of each through hole 204 furthest from the reel 201. The counterweight 208 descends to contact the bottom of the shrimp pond when the traction ropes 203 are released, allowing the bottom plate 101 to be pulled by the traction ropes 203, thus reducing the probability of the entire aerator moving during aeration.
[0031] In this embodiment, the electric marine propulsion unit 103, the dual-shaft motor 105, and the water pump 107 are all existing technologies and will not be described in detail here.
[0032] In use, the entire aerator is placed in the shrimp pond water, allowing it to float on the surface due to buoyancy. Then, the electric propeller 103 is activated, moving the aerator across the water until it reaches the desired aeration location. Next, the stepper motor 209 is started, driving the worm gear 207 to rotate. The rotation of the worm gear 207 drives two sets of worm wheels 206 and two sets of reels 201 to rotate synchronously, releasing the traction rope 203 wound around the outside of the reels 201. As the traction rope 203 is released, the counterweight 208 moves downwards under gravity until all the sets of reels are in place. When the counterweight 208 moves downwards, it contacts the bottom of the shrimp pond, thus fixing the entire aerator. Then, the dual-shaft motor 105 and the water pump 107 can be started. When the dual-shaft motor 105 starts working, it can drive the two sets of tumbling paddles 106 to rotate. The rotating tumbling paddles 106 can agitate the water in the shrimp pond to increase the contact between water and air, thereby increasing the oxygen content of the water. When the water pump 107 starts working, it can draw water from the shrimp pond into the internal threaded pipe 114 through the suction pipe 108, and finally spray it out through the nozzle 113, so that the sprayed water can fully contact the air and finally fall back into the shrimp pond, thereby increasing the oxygen content of the shrimp pond water.
[0033] The above-described embodiments are preferred embodiments of the present utility model and are only used to facilitate the illustration of the present utility model. They are not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical features of the present utility model shall still fall within the scope of the technical features of the present utility model.
Claims
1. An oxygen increasing machine for lobster farming, characterized in that, The utility model provides an oxygen -increasing mechanism (1), the oxygen -increasing mechanism (1) includes the bottom plate (101), the top fixed connection of bottom plate (101) is equipped with the blocking frame (104), the bottom fixed connection of bottom plate (101) is equipped with the buoy (102) symmetry, and the fixed connection of electric boat propeller (103) is equipped with between two groups buoy (102) and bottom plate (101) bottom, the fixed connection of double -shaft motor (105) is equipped with in bottom plate (101) top middle position, the fixed connection of double -shaft motor (105) delivery end is equipped with the flip paddle (106), and one side of double -shaft motor (105) is equipped with the fixed connection of water pump (107) and bottom plate (101), the fixed connection of water pump (107) input is equipped with the water suction pipe (108), and water suction pipe (108) penetrates bottom plate (101), and the fixed connection of water pump (107) output is equipped with the external thread pipe (114), and the fixed connection of shower nozzle (113) is equipped with in the one end of external thread pipe (114) away from water pump (107). The utility model provides a limit mechanism (2), limit mechanism (2) includes the reel (201) that is rotatably connected in the inside of blocking frame (104) symmetry, and the fixed connection of traction rope (203) is equipped with in the outside of two groups reel (201) symmetry, and the fixed connection of counterweight (208) is equipped with in the one end of each group through -hole (204) away from reel (201), and the fixed connection of step motor (209) is equipped with in the top one side of bottom plate (101), and the meshing connection of one end of step motor (209) output is equipped with in the one end of worm gear (207), and the meshing connection of one end of worm gear (207) is equipped with in the outside of two groups worm (207), and the fixed connection of step motor (209) output is equipped with in the one end of worm gear (207). The fixed connection of filter screen (109) is equipped with in the one end of water suction pipe (108) away from water pump (107).
2. The oxygenation machine for lobster farming according to claim 1, characterized in that, The fixed connection of guide shaft (205) is equipped with in the inside of each group through -hole (204) and bottom plate (101) rotatablely connected, and each group traction rope (203) respectively passes the outside of each group guide shaft (205).
3. The oxygenation machine for lobster farming according to claim 1, characterized in that, The fixed connection of baffle (202) is equipped with in the outside of each group traction rope (203) symmetry, and each group baffle (202) is fixedly connected with reel (201).
4. The oxygenation machine for lobster farming according to claim 1, characterized in that, The fixed connection of cover plate (110) is equipped with in the top of blocking frame (104) abutment, and the fixed connection of external thread pipe (114) is equipped with in cover plate (110).
5. The oxygenation machine for lobster farming according to claim 1, characterized in that, The fixed connection of nut (111) is equipped with in the outside of external thread pipe (114) and is equipped with in the bottom of nut (111) abutment rubber ring (112), and rubber ring (112) is abutted with cover plate (110), and rubber ring (112) is sleeved in the outside of external thread pipe (114).
6. The oxygenation machine for lobster farming according to claim 5, characterized in that,
Citation Information
Patent Citations
Aerator for lobster breeding
CN211048199U