A winter-scale temporary holding system for river crabs based on their size

Abstract

This invention discloses a winter-scale temporary holding system for river crabs, relating to the field of river crab farming. The system includes a grading unit and a temporary holding unit. The grading unit is used to separate river crabs by size and sex. The temporary holding unit includes a floating bridge at the pond entrance, a frame, temporary holding net cages, a lifting assembly, a shading assembly, and a cleaning assembly. The frame is integrally installed on both sides of the floating bridge at the pond entrance. The frame includes four vertical steel pipes arranged in a U-shape. Each of the four vertical steel pipes has an upper horizontal steel pipe frame installed at its top via fasteners, and each of the four vertical steel pipes at the floating bridge at the pond entrance has a lower horizontal steel pipe frame installed via fasteners. The temporary holding net cages are respectively arranged between the U-shaped vertical steel pipes. This invention can clean impurities accumulated in the mesh at the bottom of the net cages during the winter-scale temporary holding of river crabs by size, avoiding any impact on the growth and health of the crabs. Furthermore, it maintains water quality stability to a certain extent without having to pull the net cages out of the water.

Description

TECHNICAL FIELD

[0001] The present application mainly relates to the technical field of river crab breeding, in particular to a winter temporary breeding system for river crabs with different specifications. BACKGROUND

[0002] In recent years, with the pursuit of healthy diet by people, the river crab breeding industry has developed rapidly. When the river crabs are temporarily bred in winter, the growth rate of the river crabs is slow due to the low temperature in winter. Therefore, the river crabs can be divided into different specifications and placed in different temporary breeding systems to ensure the normal growth of the river crabs. The purpose of this is to improve the overall growth rate and yield of the river crabs and increase the breeding benefit.

[0003] A lifting type net cage for temporary breeding of river crabs described in the prior art is provided with a net cage body and a frame. The net cage body is provided with a plurality of threaded steel bars fixed by welding. The side and bottom ends of the net cage body are bound with a mesh by a fishing line or a wire. The upper end of the net cage body is bound with a connecting rope at four corners. The other end of the connecting rope is bound to the lower end of a movable pulley. The frame is provided with a plurality of horizontal steel pipes and vertical steel pipes connected by a screw fastener. The nylon rope is bound in the middle of the horizontal steel pipe.

[0004] Although the above-mentioned technology facilitates the observation of the feeding and health status of the river crabs through the up-and-down movement of the net cage, the mesh at the bottom accumulates some impurities during the temporary breeding. The existence of these impurities may affect the growth and health of the river crabs. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a winter temporary breeding system for river crabs with different specifications to solve the technical problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions.

[0007] The invention discloses a kind of river crab winter divides specification temporary breeding system, including temporary breeding system, the temporary breeding system includes grading unit and temporary breeding unit, the grading unit is used to screen the size and male and female of river crab, pond mouth floating bridge, frame, temporary breeding net cage, lifting assembly, shading assembly and cleaning assembly are equipped in the temporary breeding unit, the frame is integrally installed in the both sides of pond mouth floating bridge, the frame includes four vertical steel pipes arranged in mouth-shaped, the top of four vertical steel pipes is equipped with upper horizontal steel pipe frame by fastener, the lower horizontal steel pipe frame is equipped in the vertical steel pipe of four mouth-shaped by fastener, the temporary breeding net cage is arranged between the vertical steel pipe of mouth-shaped, the upper surface of both sides of upper horizontal steel pipe frame is welded with support frame, rotating rod is rotatably installed between two support frames, winding roller is welded in the central part of rotating rod, lifting assembly is arranged on upper horizontal steel pipe frame, rotating rod and winding roller, the outer wall bottom of temporary breeding net cage is fixedly connected with the actuator of lifting assembly, and the frame is equipped with a plurality of along the length of pond mouth floating bridge.

[0008] The both sides of temporary breeding net cage are equipped with side plates, and one end of two side plates is located below pond mouth floating bridge, the lower surface of pond mouth floating bridge is welded with fixed shell, the inner wall end of both side plates is welded with the outer wall of fixed shell, the inside of fixed shell is equipped with cavity, the inside of cavity is equipped with driving motor by bolt, control mainboard is fixed on the side of driving motor in cavity, the output end of driving motor is fixed with large chain wheel, driving cavity is formed in both side plates, the cavity is communicated with two driving cavities by perforation, the shading part of shading assembly is located above temporary breeding net cage, the driving part of shading assembly is located in two driving cavities, and the cleaning assembly is arranged in driving cavity and matched with the driving part of shading assembly, and the actuator of cleaning assembly is located at the bottom of temporary breeding net cage.

[0009] Specifically, one vertical steel pipe is fixed with mounting steel pipe by fastener, the mounting steel pipe is fixed with mounting plate, the upper surface of mounting plate is equipped with air pump by bolt, the air outlet of air pump is connected with air pipe, the air pipe is installed on lower horizontal steel pipe frame by fastener, two branch pipes are communicated with air pipe, two branch pipes are L-shaped and located on upper horizontal steel pipe frame, and the lower surface of L end of two branch pipes is communicated with air guide pipe, the bottom end of each air guide pipe is communicated with annular air charging head, and each air charging head is arranged in temporary breeding net cage.

[0010] The lifting assembly specifically comprises four lifting ropes, one end of each of the four lifting ropes is fixedly connected with the bottom of the outer wall of the temporary breeding net cage, two side rods of the upper horizontal steel pipe frame are symmetrically fixed with mounting racks, a pulley is movably installed at the bottom end of each mounting rack, the other end of each of the four lifting ropes penetrates through the pulley and is bound with two rotating rods, a pulling rope is wound around the winding roller, and one end of the pulling rope is bound with the side rod of the upper horizontal steel pipe frame close to the pond opening floating bridge.

[0011] The bottom area of the temporary breeding net cage is 2.5*3 m, the height of the temporary breeding net cage is 3 m, and the top opening side wall of the temporary breeding net cage is fixed with a smooth belt.

[0012] The light shielding assembly specifically comprises rotating shafts arranged in two driving cavities, the lower surfaces of the two side plates are provided with guide sliding grooves, the two ends of the guide sliding grooves in the two driving cavities are fixed with support plates, one end of each of the two rotating shafts penetrates through the two support plates in sequence and is fixedly installed with a first bevel gear at the end, the upper surfaces of the ends of the two side plates away from the pond opening floating bridge are each provided with a first screw rod, the bottom ends of the two first screw rods penetrate into the driving cavities and are rotationally connected to the cavity bottoms, the outer walls of the bottom ends of the two first screw rods are each fixed with a second bevel gear, each second bevel gear is meshingly connected with the first bevel gear, an optical shielding plate is arranged above the temporary breeding net cage, the top ends of the two first screw rods each penetrate through one side of the optical shielding plate, and the rotating shafts close to the first bevel gears are transmissionally connected through magnetic couplings.

[0013] The other side of the optical shielding plate is symmetrically fixed with first telescopic rods, the two first telescopic rods are each embedded in the upper surface of the two side plates, the rotating shafts located at the perforated positions are each fixedly installed with a small chain wheel, and the large chain wheel and the two small chain wheels are transmissionally connected through a transmission chain.

[0014] The width of the optical shielding plate is the same as the width of the temporary breeding net cage, the long end of the optical shielding plate is longer than the length of the temporary breeding net cage, the optical shielding plate is provided with a through hole, and the air guide pipe penetrates through the through hole.

[0015] The cleaning assembly specifically comprises two second screw rods, the two second screw rods are each arranged between the two support plates, a vertical plate is sleeved on each of the two second screw rods, the two vertical plates are each connected with a second screw rod nut, the bottom ends of the two vertical plates each extend to the outside through the guide sliding groove, the bottom of the temporary breeding net cage is provided with a soft brush plate, the two ends of the soft brush plate are each fixedly connected with the side wall bottom of the vertical plate, and the brush surface of the soft brush plate is in contact with the bottom of the temporary breeding net cage.

[0016] Specifically, the two second screw rods remote from the first bevel gear are both fixedly connected with second telescopic rods penetrating through the support plates, the outer walls of the telescopic ends of the two second telescopic rods are both fixedly installed with driven gears, the outer walls of the two rotating shafts at the driven gears are both fixedly installed with driving gears, the tooth surfaces of the two driving gears are both meshed and connected with the tooth surfaces of the driven gears, the cavity bottoms of the two driving cavities at one side of the second telescopic rods are both welded with fixed blocks, the telescopic ends of the two second telescopic rods are both fixed with iron blocks, and the outer walls of the two fixed blocks are both inlaid with electromagnets, and each electromagnet is magnetically and adsorptively connected with the iron block.

[0017] Specifically, the diameters of the two driving gears are smaller than the diameter of the driven gear, the telescopic ends of the two second telescopic rods are both sleeved with baffles at one side of the driven gear, the bottom ends of the two baffles are both movably connected with the cavity bottoms of the driving cavities, and the outer parts of the two second telescopic rods are both sleeved with stretching springs, and the two ends of the two stretching springs are respectively fixedly connected with the support plates and the baffles.

[0018] In summary, the application has the following advantages: the application can clean the impurities accumulated in the mesh at the bottom of the net cage during temporary breeding of river crabs, avoid affecting the growth and health of the river crabs, and maintain the water quality stable to a certain extent without pulling out the net cage from the water surface.

[0019] Firstly, the river crabs are screened according to size and male and female, and then the screened river crabs are put into the temporary breeding net cage; the staff loosens the pull rope, so that the temporary breeding net cage is lowered into the water under the weight of the temporary breeding net cage and the rotation of the rotation rod driven by the winding rod roller, and then the pull rope is re-bound on the upper horizontal steel pipe frame.

[0020] Then, the driving motor is started, the output end of the driving motor drives the large sprocket to rotate, the small sprocket in the shading assembly is driven to rotate through the transmission chain, the small sprocket transmits the rotating force to the first bevel gear through the rotating shaft and the magnetic coupler, the first bevel gear drives the meshed second bevel gear to rotate, the shading plate is lowered following the rotation of the first screw rod under the limitation of the first telescopic rod, and the driving motor stops working after the shading plate contacts the top of the temporary breeding net cage, thereby creating a weak light environment in the daytime and reducing the intensity of light.

[0021] When the bottom of the temporary breeding net cage needs to be cleaned, the electromagnet in the cleaning assembly is powered to generate magnetism, the electromagnet with magnetism adsorbs the iron block, the iron block is pulled at the extension end of the second telescopic rod under the influence of magnetic adsorption, so that the driven gear moves to engage with the driving gear, at this time the driving motor works, and under the action of the magnetic coupling, the rotating shaft can continue to rotate, the driving gear is rotated through the rotating driving gear, the second telescopic rod is rotated and the rotating force is transmitted to the second screw rod, so that the vertical plate drives the soft brush plate to move slowly along the guide sliding groove, the soft brush plate cleans the mesh of the bottom of the temporary breeding net cage, and the slow movement can avoid hurting the river crab. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The system block diagram of the present application is shown in the figure;

[0023] Figure 2 The schematic diagram of the temporary breeding unit of the present application is shown in the figure;

[0024] Figure 3 The schematic diagram of the frame and the temporary breeding net cage of the present application is shown in the figure;

[0025] Figure 4 The schematic diagram of the light shielding assembly of the present application is shown in the figure;

[0026] Figure 5 The enlarged view of A of the present application is shown in the figure;

[0027] Figure 6 The side view of the side plate of the present application is shown in the figure;

[0028] Figure 7 The enlarged view of B of the present application is shown in the figure;

[0029] Figure 8 The top view of the fixed shell and the side plate of the present application is shown in the figure

[0030] BRIEF DESCRIPTION OF DRAWINGS: 1, the pond mouth floating bridge; 2, frame; 201, vertical steel pipe; 202, upper horizontal steel pipe frame; 203, lower horizontal steel pipe frame; 204, support frame; 205, rotating rod; 206, around rope roller; 3, temporary culture net cage; 301, smooth belt; 4, installation steel pipe; 401, mounting plate; 402, inflation pump; 403, air pipe; 4031, branch pipe; 4032, air guide pipe; 4033, inflation head; 5, lifting assembly; 501, pulley; 502, mounting frame; 503, lifting rope; 504, pull rope; 6, fixed shell; 601, cavity; 6011, drive motor; 6012, large sprocket; 602, perforation; 603, control mainboard; 7, side plate; 701, drive cavity; 702, support plate; 703, guide chute; 8, shading assembly; 801, rotating shaft; 8011, small sprocket; 802, first bevel gear; 803, first screw rod; 8031, second bevel gear; 804, shading plate; 8041, through hole; 805, first telescopic rod; 806, transmission chain; 807, magnetic coupler; 9, cleaning assembly; 901, driving gear; 902, second screw rod; 903, vertical plate; 9031, soft brush plate; 904, second telescopic rod; 9041, iron block; 9042, tension spring; 905, baffle; 906, driven gear; 907, fixed block; 9071, electromagnet, 10, temporary culture system. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0032] The embodiments of the present application will be described below according to the overall structure of the present application.

[0033] EMBODIMENT

[0034] The temporary culture units in the present application are arranged on both sides of the pond mouth floating bridge 1 and have several units, wherein the frame 2 is integrally formed, and one inflation pump 402 is provided for every three net cages, the mesh diameter of each temporary culture net cage 3 is 2cm*2cm, and all electrical elements in the temporary culture units are controlled by an external controller, the controller sends signals to the corresponding control mainboard 603, and the control mainboard 603 starts the connected drive motor 6011 and electromagnet 9071.

[0035] Please refer to Figures 1-8As shown, a kind of river crab winter specification temporary breeding system, including temporary breeding system 10, temporary breeding system 10 includes grading unit and temporary breeding unit, grading unit is used to screen the size and male and female of river crab, temporary breeding unit is equipped with pond mouth floating bridge 1, frame 2, temporary breeding net cage 3, lifting assembly 5, shading assembly 8 and cleaning assembly 9, frame 2 is integrally installed at the both sides of pond mouth floating bridge 1, frame 2 includes four vertical steel pipes 201 arranged in mouth-shaped, the top of four vertical steel pipes 201 is equipped with upper horizontal steel pipe frame 202 by fastener, four vertical steel pipes 201 are located at pond mouth floating bridge 1 and are equipped with lower horizontal steel pipe frame 203 by fastener, temporary breeding net cage 3 is arranged between vertical steel pipe 201 of mouth-shaped, the upper surface of upper horizontal steel pipe frame 202 two sides is welded with support frame 204, rotating rod 205 is rotatably installed between two support frames 204, winding roller 206 is welded at the center of rotating rod 205, lifting assembly 5 is arranged on upper horizontal steel pipe frame 202, rotating rod 205 and winding roller 206, the outer wall bottom of lifting assembly 5 and temporary breeding net cage 3 is fixedly connected, frame 2 is equipped with a plurality of along the length of pond mouth floating bridge 1;

[0036] The bottom area of temporary breeding net cage 3 is 2.5*2m, the height of temporary breeding net cage 3 is 3m, and the top opening side wall of temporary breeding net cage 3 is fixed with smooth belt 301, both sides of temporary breeding net cage 3 are equipped with side plate 7, one end of two side plates 7 is located below pond mouth floating bridge 1, the lower surface of pond mouth floating bridge 1 is welded with fixed shell 6, the inner wall end of two side plates 7 is welded with the outer wall of fixed shell 6, cavity 601 is formed in the inside of fixed shell 6, driving motor 6011 is installed in the inside of cavity 601 by bolt, control mainboard 603 is fixed on one side of driving motor 6011 in cavity 601, large chain wheel 6012 is fixed on the output end of driving motor 6011, driving cavity 701 is formed in two side plates 7, cavity 601 is communicated with two driving cavities 701 by perforation 602, shading part of shading assembly 8 is located above temporary breeding net cage 3, driving part of shading assembly 8 is located in two driving cavities 701, cleaning assembly 9 is arranged in driving cavity 701 and matches with the driving part of shading assembly 8, the execution part of cleaning assembly 9 is located at the bottom of temporary breeding net cage 3;

[0037] The lifting assembly 5 comprises four lifting ropes 503, one end of each of the four lifting ropes 503 is fixedly connected with the bottom of the outer wall of the temporary breeding net cage 3, a mounting bracket 502 is symmetrically fixed on each of the two side rods of the upper horizontal steel pipe frame 202, a pulley 501 is movably installed at the bottom end of each mounting bracket 502, the other end of each of the four lifting ropes 503 passes through the pulley 501 and is bound with the two rotating rods 205, a pull rope 504 is wound around the rope roller 206, one end of the pull rope 504 is bound with the side rod of the upper horizontal steel pipe frame 202 close to the pond mouth floating bridge 1, a mounting steel pipe 4 is fixedly installed on the vertical steel pipe 201 through a fastener, a mounting plate 401 is fixedly installed on the mounting steel pipe 4, an air pump 402 is installed on the upper surface of the mounting plate 401 through bolts, an air pipe 403 is connected to the air outlet of the air pump 402, the air pipe 403 is installed on the lower horizontal steel pipe frame 203 through a fastener, two branch pipes 4031 are communicated with the air pipe 403, the two branch pipes 4031 are both L-shaped and located on the upper horizontal steel pipe frame 202, and the lower surfaces of the L-shaped ends of the two branch pipes 4031 are both communicated with air guide pipes 4032, the bottom end of each air guide pipe 4032 is communicated with a ring-shaped air charging head 4033, and each air charging head 4033 is arranged in the temporary breeding net cage 3.

[0038] When the river crabs are temporarily bred in winter, the workers first manually or by using an existing screening device to screen the river crabs according to size and gender, then put the screened river crabs into the temporary breeding net cage 3, at this time, the workers loosen the bound pull rope 504, under the weight of the temporary breeding net cage 3, the winding roller 206 drives the rotating rod 205 to rotate, the rotating rotating rod 205 loosens the bound lifting rope 503, the lifting rope 503 moves along the pulley 501 to lower the temporary breeding net cage 3 into the water, then the pull rope 504 is bound on the upper horizontal steel pipe frame 202 again, wherein the binding direction of the four lifting ropes 503 and the rotating rod 205 is in a reverse form, that is, the end portions of the two lifting ropes 503 on the same side are bound from below the rotating rod 205, and the end portions of the other two lifting ropes 503 are bound from above the rotating rod 205, then the air pump 402 is started, the air pump 402 works to deliver air through the air pipe 403, the branch pipes 4031 and the air guide pipes 4032, and discharge the air into the water in the temporary breeding net cage 3 from the air charging heads 4033.

[0039] Then the staff starts the drive motor 6011 in the fixed shell 6 on one side of the corresponding temporary breeding net cage 3 through the controller. The output end of the drive motor 6011 drives the large chain wheel 6012 to rotate, drives the driving part in the shading assembly 8 through the transmission chain 806 to rotate, makes the executing part in the shading assembly 8 drive the shading part to move downward, and stops the drive motor 6011 after the shading part contacts with the top of the temporary breeding net cage 3, thereby creating a weak light environment in the daytime, reducing the intensity of light, and cleaning the mesh at the bottom of the temporary breeding net cage 3 after a long time (1-2 months). The staff starts the suction part in the cleaning assembly 9 through the controller, connects the driving part in the cleaning assembly 9 with the driving part in the shading assembly 8, and then starts the drive motor 6011 at the corresponding temporary breeding net cage 3. At this time, the drive motor 6011 works, the driving part can rotate when the shading part is in the limited state under the action of the magnetic coupler 807 in the shading assembly 8, the driving part of the cleaning assembly 9 can rotate to drive the executing part to work slowly, and the mesh at the bottom of the temporary breeding net cage 3 is cleaned. Slow movement can avoid hurting the river crab;

[0040] Therefore, the application can clean the impurities accumulated in the mesh at the bottom of the net cage when the river crabs are temporarily bred according to different specifications, avoid affecting the growth and health of the river crabs, and maintain the water quality stable to a certain extent without pulling the net cage out of the water surface.

[0041] Please refer to Figure 2 、 Figure 4 and Figure 6As shown, the light shielding assembly 8 comprises rotating shafts 801 arranged in the two drive cavities 701, the lower surfaces of the two side plates 7 are provided with guide sliding grooves 703, the two ends of the two drive cavities 701 located at the two ends of the guide sliding grooves 703 are fixedly provided with support plates 702, one end of the two rotating shafts 801 penetrates the two support plates 702 in sequence and the end portions are fixedly provided with first bevel gears 802, the upper surfaces of the ends of the two side plates 7 away from the floating bridge 1 are provided with first lead screws 803, the bottom ends of the two first lead screws 803 penetrate the drive cavities 701 and are rotationally connected to the cavity bottoms, the outer walls of the bottom ends of the two first lead screws 803 are fixedly provided with second bevel gears 8031, each second bevel gear 8031 is meshingly connected with the first bevel gear 802, the upper side of the temporary breeding net cage 3 is provided with a light shielding plate 804, the top ends of the two first lead screws 803 penetrate one side of the light shielding plate 804, the rotating shafts 801 close to the first bevel gears 802 are drivingly connected through magnetic couplings 807, the other side of the light shielding plate 804 is fixedly provided with first telescopic rods 805, the two first telescopic rods 805 are embedded in the upper surfaces of the two side plates 7, the rotating shafts 801 located at the perforations 602 are fixedly provided with small chain wheels 8011, the large chain wheel 6012 and the two small chain wheels 8011 are drivingly connected through a transmission chain 806, the width of the light shielding plate 804 is the same as the width of the temporary breeding net cage 3, the length of the light shielding plate 804 is greater than the length of the temporary breeding net cage 3, and the light shielding plate 804 is provided with through holes 8041, and the air guide pipe 4032 penetrates the through holes 8041.

[0042] When the driving motor 6011 drives the large chain wheel 6012 to rotate, the transmission chain 806 can drive the two small chain wheels 8011 in the light shielding assembly 8 to rotate, the small chain wheels 8011 drive the rotating shafts 801 to rotate, and the magnetic couplings 807 drive the first bevel gears 802 at the other ends to rotate, the first bevel gears 802 drive the meshing second bevel gears 8031 to rotate, the second bevel gears 8031 drive the first lead screws 803 to rotate, and the first telescopic rods 805 limit the light shielding plate 804 to move downward along with the rotation of the first lead screws 803 until the light shielding plate 804 contacts the top of the temporary breeding net cage 3, and then the driving motor 6011 stops working, thereby completing the covering of the top of the temporary breeding net cage 3 in the daytime, creating a weak light environment and reducing the intensity of light, wherein when the light shielding plate 804 moves, it can move along the air guide pipe 4032 through the through holes 8041.

[0043] Please refer to Figure 4 , Figure 6 and Figure 7As shown, the cleaning assembly 9 comprises two second lead screws 902, both of which are arranged between the two support plates 702, and both of which are sleeved with vertical plates 903 connected with the second lead screw 902 nut, the bottom ends of both of which extend to the outside through the guide sliding groove 703, and the bottom of the temporary breeding cage 3 is provided with a soft brush plate 9031, both ends of which are fixedly connected with the side wall bottom of the vertical plate 903, and the brush surface of the soft brush plate 9031 is in contact with the bottom of the temporary breeding cage 3;

[0044] The end of the second lead screw 902 away from the first bevel gear 802 is fixedly connected with a second telescopic rod 904 penetrating through the support plate 702, the telescopic end outer wall of the second telescopic rod 904 is fixedly installed with a driven gear 906, the outer wall of the rotating shaft 801 at the driven gear 906 is fixedly installed with a driving gear 901, the tooth surface of the two driving gears 901 is meshed and connected with the tooth surface of the driven gear 906, the cavity bottom of the two drive cavities 701 at one side of the second telescopic rod 904 is welded with a fixed block 907, the telescopic end of the second telescopic rod 904 is fixedly provided with an iron block 9041, the outer wall of the two fixed blocks 907 is inlaid with an electromagnet 9071, each electromagnet 9071 is magnetically adsorbed and connected with the iron block 9041, the diameter of the two driving gears 901 is smaller than that of the driven gear 906, the telescopic end of the second telescopic rod 904 at one side of the driven gear 906 is sleeved with a baffle 905, the bottom end of the two baffles 905 is movably connected with the cavity bottom of the drive cavity 701, the outer part of the second telescopic rod 904 is sleeved with a stretching spring 9042, and the two ends of the stretching spring 9042 are fixedly connected with the support plate 702 and the baffle 905. The telescopic end of the second telescopic rod 904 and the baffle 905 are connected by a ring-shaped clamping plate, which can drive the baffle 905 to move when the telescopic end moves, and can rotate in the baffle 905 when the telescopic end rotates.

[0045] When the mesh of the temporary breeding net cage 3 is cleaned, the electromagnet 9071 is powered to generate magnetism, the electromagnet 9071 with magnetism adsorbs the iron block 9041, the iron block 9041 is pulled to the telescopic end of the second telescopic rod 904 under the influence of magnetic adsorption, the iron block 9041 is not in contact with the electromagnet 9071, the telescopic end of the second telescopic rod 904 drives the driven gear 906 and the baffle 905 to move, the baffle 905 stretches the tension spring 9042, at this time the driving motor 6011 works to drive the rotating shaft 801 to rotate, the rotating shaft 801 drives the meshed driven gear 906 to rotate through the driving gear 901, the driven gear 906 drives the telescopic end of the second telescopic rod 904 to rotate, so that the second telescopic rod 904 rotates, the second telescopic rod 904 drives the connected second lead screw 902 to rotate, the rotation of the second lead screw 902 makes the vertical plate 903 move horizontally and slowly under the limitation of the guide sliding groove 703, the moving vertical plate 903 drives the soft brush plate 9031 to move, so that the soft brush plate 9031 cleans the bottom mesh of the temporary breeding net cage 3, and the slow movement can avoid damaging the river crab.

[0046] The working principle of the present application is:

[0047] When the river crab is temporarily bred in winter, the river crab is first screened in size and male and female by using an existing screening device or manually by the worker, and then the screened river crab is placed in the temporary breeding net cage 3, at this time the worker loosens the binding rope 504, under the weight of the temporary breeding net cage 3, the rope roller 206 drives the rotating rod 205 to rotate, the rotating rotating rod 205 loosens the binding lifting rope 503, the lifting rope 503 moves along the pulley 501 to lower the temporary breeding net cage 3 into the water, then the binding rope 504 is re-bound on the upper horizontal steel pipe frame 202, wherein the binding direction of the four lifting ropes 503 and the rotating rod 205 is in the reverse form, that is, the two lifting ropes 503 at the same side are bound from below the rotating rod 205, and the other two lifting ropes 503 are bound from above the rotating rod 205, then the air pump 402 is started, the air pump 402 works to convey air through the air pipe 403, the branch pipe 4031 and the air guide pipe 4032, and discharge the air into the water in the temporary breeding net cage 3 from the inflation head 4033;

[0048] Then the staff through the controller starts the drive motor 6011 in the fixed shell 6 on one side of the corresponding temporary breeding net cage 3, the output end of the drive motor 6011 drives the large chain wheel 6012 to rotate, and through the transmission chain 806, the two small chain wheels 8011 in the light shielding assembly 8 can be driven to rotate, the small chain wheels 8011 drive the rotating shaft 801 to rotate, and through the magnetic coupler 807, the first bevel gear 802 at the other end is driven to rotate, the first bevel gear 802 drives the meshed second bevel gear 8031 to rotate, the second bevel gear 8031 drives the first lead screw 803 to rotate, and under the limitation of the first telescopic rod 805, the light shielding plate 804 moves downward along with the rotation of the first lead screw 803 until the light shielding plate 804 contacts the top of the temporary breeding net cage 3, and then the drive motor 6011 stops working, completing the covering of the top of the temporary breeding net cage 3 in the daytime.

[0049] After the temporary breeding for a long time, when the bottom mesh of the temporary breeding net cage 3 needs to be cleaned, the staff starts the electromagnet 9071 in the cleaning assembly 9 through the controller, so that the electromagnet 9071 generates magnetism after being electrified, the electromagnet 9071 with magnetism adsorbs the iron block 9041, and the iron block 9041 is pulled at the extension end of the second telescopic rod 904 under the influence of the magnetic adsorption, wherein the iron block 9041 does not contact the electromagnet 9071, the extension end of the second telescopic rod 904 drives the driven gear 906 and the baffle 905 to move, and the baffle 905 stretches the tension spring 9042, at this time, the drive motor 6011 works to drive the rotating shaft 801 to rotate, the rotating shaft 801 drives the meshed driven gear 906 to rotate through the driving gear 901, the driven gear 906 drives the extension end of the second telescopic rod 904 to rotate, so that the second telescopic rod 904 rotates, the second telescopic rod 904 drives the connected second lead screw 902 to rotate, and the rotation of the second lead screw 902 makes the vertical plate 903 move horizontally and slowly under the limitation of the guide sliding groove 703, the moving vertical plate 903 drives the soft brush plate 9031 to move, so that the soft brush plate 9031 cleans the bottom mesh of the temporary breeding net cage 3.

[0050] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the present application, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A river crab winter sub-specification temporary breeding system, comprising a temporary breeding system (10), characterized in that The temporary breeding system (10) comprises a grading unit and a temporary breeding unit, the temporary breeding unit is provided with a pond mouth floating bridge (1), a frame (2), a temporary breeding net cage (3), a lifting assembly (5), a light shielding assembly (8) and a cleaning assembly (9), the frame (2) is integrally installed on both sides of the pond mouth floating bridge (1), the frame (2) comprises four vertical steel pipes (201) arranged in a mouth-shaped mode, the top end of each of the four vertical steel pipes (201) is provided with an upper horizontal steel pipe frame (202) through a fastener, and the lower end of each of the four vertical steel pipes (201) is provided with a lower horizontal steel pipe frame (203) through a fastener, the temporary breeding net cage (3) is arranged between the vertical steel pipes (201) arranged in a mouth-shaped mode, the upper surface of each of the two sides of the upper horizontal steel pipe frame (202) is welded with a support frame (204), a rotating rod (205) is rotatably installed between the two support frames (204), a rope winding roller (206) is welded at the center of the rotating rod (205), the lifting assembly (5) is arranged on the upper horizontal steel pipe frame (202), the rotating rod (205) and the rope winding roller (206), the actuator of the lifting assembly (5) is fixedly connected with the outer wall of the bottom of the temporary breeding net cage (3), and a plurality of frame (2) are arranged along the length of the pond mouth floating bridge (1). The two sides of the temporary breeding net cage (3) are provided with side plates (7), one end of each of the two side plates (7) is located below the pond mouth floating bridge (1), the lower surface of the pond mouth floating bridge (1) is welded with a fixed shell (6), the inner wall end of each of the two side plates (7) is welded and connected with the outer wall of the fixed shell (6), a cavity (601) is formed in the fixed shell (6), a driving motor (6011) is installed in the cavity (601) through bolts, a control mainboard (603) is fixed on one side of the driving motor (6011) in the cavity (601), a large chain wheel (6012) is fixed on the output end of the driving motor (6011), a driving cavity (701) is formed in each of the two side plates (7), the cavity (601) is in communication with the two driving cavities (701) through a through hole (602), the light shielding member of the light shielding assembly (8) is located directly above the temporary breeding net cage (3), the driving member of the light shielding assembly (8) is located in the two driving cavities (701), the cleaning assembly (9) is arranged in the driving cavity (701) and matched with the driving member of the light shielding assembly (8), and the actuator of the cleaning assembly (9) is located at the bottom of the temporary breeding net cage (3). The light shielding assembly (8) includes rotating shafts (801) arranged in two driving cavities (701), the lower surfaces of the two side plates (7) are provided with guide sliding grooves (703), the two ends of the two driving cavities (701) located at the two ends of the guide sliding grooves (703) are fixed with support plates (702), one end of the two rotating shafts (801) penetrates the two support plates (702) in sequence and the end portions are fixedly installed with first bevel gears (802), the upper surfaces of the one ends of the two side plates (7) away from the pond floating bridge (1) are provided with first lead screws (803), the bottom ends of the two first lead screws (803) penetrate the driving cavities (701) and are rotationally connected to the cavity bottoms, the outer walls of the bottom ends of the two first lead screws (803) are fixed with second bevel gears (8031), each second bevel gear (8031) is meshedly connected with the first bevel gear (802), the upper portion of the temporary breeding net cage (3) is provided with a light shielding plate (804), the top ends of the two first lead screws (803) penetrate one side of the light shielding plate (804), the two rotating shafts (801) close to the first bevel gears (802) are drivingly connected through magnetic couplings (807); The other side of the light shielding plate (804) is fixed with first telescopic rods (805) in a symmetrical mode, the two first telescopic rods (805) are embedded in the upper surfaces of the two side plates (7), the two rotating shafts (801) located at the perforations (602) are fixedly installed with small chain wheels (8011), the large chain wheel (6012) and the two small chain wheels (8011) are drivingly connected through a transmission chain (806).

2. The river crab winter sub-specification temporary breeding system according to claim 1, characterized in that, One of the vertical steel pipes (201) is fixed with a mounting steel pipe (4) through a fastener, the mounting steel pipe (4) is fixed with a mounting plate (401), the upper surface of the mounting plate (401) is fixedly installed with an air inflator (402) through bolts, the air outlet of the air inflator (402) is connected with an air pipe (403), the air pipe (403) is installed on the lower horizontal steel pipe frame (203) through a fastener, the air pipe (403) is communicated with two branch pipes (4031), the two branch pipes (4031) are L-shaped and located on the upper horizontal steel pipe frame (202), and the lower surfaces of the L-shaped ends of the two branch pipes (4031) are communicated with air guide pipes (4032), the bottom ends of the air guide pipes (4032) are communicated with annular air inflators (4033), and the air inflators (4033) are arranged in the temporary breeding net cages (3).

3. The river crab winter sub-specification temporary breeding system according to claim 1, characterized in that, The lifting assembly (5) comprises four lifting ropes (503), one end of each of the four lifting ropes (503) is fixedly connected with the bottom of the outer wall of the temporary breeding net cage (3), the two side rods of the upper horizontal steel pipe frame (202) are symmetrically fixed with mounting racks (502), the bottom end of each mounting rack (502) is movably provided with a pulley (501), the other end of each of the four lifting ropes (503) penetrates through the pulley (501) and is bound with the two rotating rods (205), the winding rope roller (206) is wound with a pulling rope (504), one end of the pulling rope (504) is bound with the side rod of the upper horizontal steel pipe frame (202) close to the pond opening floating bridge (1).

4. The river crab winter sub-specification temporary breeding system according to claim 1, characterized in that, The bottom area of the temporary breeding net cage (3) is 2.5*2 m, the height of the temporary breeding net cage (3) is 3 m, and the top opening side wall of the temporary breeding net cage (3) is fixedly provided with a smooth belt (301).

5. The river crab winter sub-specification temporary breeding system according to claim 2, characterized in that, The width of the light shield (804) is the same as the width of the temporary breeding net cage (3), the long end of the light shield (804) is longer than the length of the temporary breeding net cage (3), and the light shield (804) is provided with a through hole (8041), and the air guide pipe (4032) penetrates through the through hole (8041).

6. The river crab winter sub-specification temporary breeding system according to claim 1, characterized in that, The cleaning assembly (9) comprises two second lead screws (902), the two second lead screws (902) are arranged between the two supporting plates (702), the two second lead screws (902) are both provided with vertical plates (903), the two second lead screws (902) are both connected with the second lead screw (902) nut, the bottom end of the two vertical plates (903) extends to the outside through the guide sliding groove (703), the bottom of the temporary breeding net cage (3) is provided with a soft brush plate (9031), the two ends of the soft brush plate (9031) are fixedly connected with the side wall bottom of the vertical plate (903), and the brush surface of the soft brush plate (9031) is in contact with the bottom of the temporary breeding net cage (3).

7. The river crab winter sub-specification temporary breeding system according to claim 6, characterized in that, The end of the second lead screw (902) away from the first bevel gear (802) is fixedly connected with the second telescopic rod (904) penetrating through the supporting plate (702), the outer wall of the telescopic end of the second telescopic rod (904) is fixedly provided with a driven gear (906), the outer wall of the rotating shaft (801) is fixedly provided with a driving gear (901) at the driven gear (906), the tooth surface of the two driving gears (901) is meshed and connected with the tooth surface of the driven gear (906), the cavity bottom of the two driving cavities (701) is welded with a fixed block (907) on one side of the second telescopic rod (904), the telescopic end of the second telescopic rod (904) is fixedly provided with an iron block (9041), the outer wall of the two fixed blocks (907) is inlaid with an electromagnet (9071), and each electromagnet (9071) is magnetically adsorbed and connected with the iron block (9041).

8. The river crab winter sub-specification temporary breeding system according to claim 7, characterized in that, The diameters of the two driving gears (901) are smaller than the diameter of the driven gear (906), the telescopic ends of the two second telescopic rods (904) are sleeved with baffles (905) on one side of the driven gear (906), the bottom ends of the two baffles (905) are movably connected with the cavity bottom of the driving cavity (701), the outsides of the two second telescopic rods (904) are sleeved with stretching springs (9042), and the two ends of the two stretching springs (9042) are fixedly connected with the supporting plate (702) and the baffle (905) respectively.

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