A mandarin fish catching device

Abstract

The application discloses a mandarin fish catching device, which comprises a catching box and a driving structure; the catching box comprises an inner box; the driving structure comprises a driving arm, one end of the driving arm is rotationally connected with the inner box, and the other end is connected with a power source. The mandarin fish catching device can catch fish in water, so that the fish can be stored in water during the transportation to a fish cart after catching, the conditions of water and oxygen deficiency and mutual crowding and wounding are avoided, and the overall quality and survival rate are ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carnivorous fish culture, in particular to a mandarin fish fishing device. BACKGROUND

[0002] Mandarin fish is a kind of freshwater precious fish in China, which is favored by children, the elderly and people with weak constitution because of its tender meat, delicious taste, no intermuscular spine, and great nutritional value and medicinal effect. In recent years, the breakthrough of special compound feed for mandarin fish, the development of domestication and green healthy culture technology, and the formation of "stinky mandarin fish" processing industry have promoted the completion of the entire mandarin fish industry chain, with a market potential of over 10 billion yuan and huge development space.

[0003] At present, the fishing of mandarin fish is mostly carried out by net fishing. Since mandarin fish is a carnivorous fish, it is fierce and has sharp fins. When net fishing in the fishpond, mandarin fish is pressed together under the condition of water and oxygen deficiency, and it is easy to be injured by the open fin barbs, causing body surface and internal damage, resulting in the death of part of the mandarin fish during transportation and subsequent entry into the market, affecting the overall survival rate, appearance and commodity value. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application provides a mandarin fish fishing device which can fish with water to reduce the pressure injury.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme: a mandarin fish fishing device, comprising a fishing box and a driving structure;

[0006] The fishing box comprises an inner box.

[0007] The driving structure comprises a driving arm, one end of the driving arm is rotatably connected with the inner box, and the other end is connected with a power source.

[0008] When fishing the fish group, the fishing box is put into the breeding pond through the driving arm, the fish group is introduced into the fishing box, then the fish group is fished together with water through the fishing box, and the fishing box is transported to the fish cart through the driving arm.

[0009] The mandarin fish fishing device has the beneficial effect that the fish group can be fished with water, so that the fish group can be stored in water during the transportation process after fishing, avoiding the conditions of water and oxygen deficiency and mutual crowding and injury, and ensuring the overall quality and survival rate.

[0010] Further, the fishing box further comprises a water injection pipe and an outer box, the water injection pipe is arranged at the top of the inner box, a plurality of drainage holes are formed in the wall of the inner box, the inner box and the outer box are both arc-shaped boxes, and the outer box is rotatably sleeved outside the inner box.

[0011] When fishing, the outer box can be rotated to be sleeved outside the inner box to prevent water from flowing out of the drain hole. After the fishing box is taken out of the culture pond, the outer box can be rotated upward relative to the inner box to open the drain hole to drain the water in the inner box, and at the same time, the water injection pipe is opened to inject clean water into the inner box, so that the water change is completed before entering the fish cart, and dirty water is prevented from being brought into the fish cart.

[0012] Further, the top of the inner box is provided with a limiting groove and a grid cover plate, the limiting groove is fixedly arranged on the inner box, and the grid cover plate is in sliding connection with the limiting groove and can be covered on the top of the inner box;

[0013] The top center of the inner box is provided with a rotating shaft, and the rotating shaft is rotatably connected with the outer box, a driving gear is sleeved on the rotating shaft, a driven gear is rotatably connected to one end of the top of the inner box, the driving gear and the driven gear are driven by a belt, and a rack is arranged on the grid cover plate and engaged with the driving gear and the driven gear.

[0014] When the outer box is rotated relative to the inner box, the rotating shaft drives the driving gear and the driven gear to rotate, and the driving gear and the driven gear drive the grid cover plate to move through the rack. When the outer box is rotated downward to be sleeved outside the inner box, the grid cover plate moves outward to be opened, so as to enter underwater fishing. When the outer box is rotated upward to open the drain hole of the inner box, the grid cover plate moves inward to close the opening of the inner box, so as to prevent the fish from jumping out of the box. When discharging, the outer box is first rotated downward, and at the same time, the grid cover plate moves outward to be opened, and the fishing box as a whole is rotated downward relative to the driving arm, so that the water and the fish can be poured out together.

[0015] Further, the inner side of the outer box is connected with an inner plate, the inner plate is arc-shaped, and a plurality of hook grooves are arranged on the side close to the outer box in a circumferential direction, and one end of the inner plate is provided with a clamping groove.

[0016] The inner part of the outer box is provided with a cavity, the cavity is provided with an arc-shaped rack, an arc-shaped hook block and a transmission gear, the arc-shaped rack is arranged in a circumferential direction of the outer box and can rotate in the circumferential direction, one end of the arc-shaped rack is connected with the inner wall of the cavity through a self-locking switch, a plurality of transmission gears are rotatably arranged in the cavity and are engaged with the arc-shaped rack, one end of the arc-shaped hook block is arranged on the transmission gear, and the other end can extend into the cavity to the hook groove.

[0017] One end of the outer wall of the inner box is provided with a fixed plate, the bottom of the fixed plate is provided with a clamping block and a pressing block, the clamping block can be inserted into the clamping groove and is in interference fit, and the pressing block can extend into the cavity and press the one end of the arc-shaped rack away from the self-locking switch.

[0018] When the outer box is rotated and sleeved outside the inner box, the pressing block on the inner box fixing plate extends into the cavity and presses the arc-shaped rack, the arc-shaped rack is rotated and drives the plurality of transmission gears to rotate, the rotating tooth belt drives the arc-shaped hook block to rotate and extend out of the cavity and insert into the hook groove of the inner plate, and the arc-shaped rack is fixed at the current position under the action of the self-locking switch, so that the outer box can drive the inner plate to rotate together when the outer box is rotated away from the inner box. When the outer box is rotated again and sleeved outside the inner box, the pressing block presses the arc-shaped rack to release the self-locking switch, and the clamping block is inserted into the clamping groove in interference fit, when the outer box is rotated away, the arc-shaped rack drives the transmission gear to rotate under the action of the self-locking switch, so that the arc-shaped hook block is retracted from the hook groove, and the clamping block and the clamping groove are relatively fixed, so that the inner plate is fixed outside the inner box, and the outer box is rotated relative to the inner box.

[0019] Further, the inner side and the outer side of the arc-shaped rack are provided with teeth, a plurality of the transmission gears are uniformly and staggered arranged on the inner side and the outer side of the arc-shaped rack and are in meshing, and the bending directions of the arc-shaped hook blocks on both sides are opposite.

[0020] The arc-shaped hook blocks arranged staggered and opposite in direction can improve the fixing effect between the outer box and the inner plate after being inserted into the hook groove.

[0021] Further, a plurality of grid partitions are arranged in the vertical direction in the inner box, the mesh sizes of the plurality of grid partitions are different, and the mesh sizes gradually decrease from top to bottom, one end of the grid partition is rotationally connected with the inner wall of the inner box, and the other end is lapped on the inner wall of the inner box.

[0022] After the fish school enters the inner box, the fish school can be separated according to the body size through the grid partitions with different mesh sizes, and small fish can pass through the grid partitions to downstream, so that the condition that large fish eat small fish in the case of dense fish school can be avoided.

[0023] Further, a plurality of arc-shaped grooves are formed in the inner wall of the inner box, the arc-shaped grooves are one-to-one corresponding to the grid partitions and are arranged around the rotation track of the grid partition, one end of the grid partition rotationally connected with the inner box is provided with a counterweight, and the counterweight is located in the arc-shaped groove and is in sliding connection with the arc-shaped groove.

[0024] When the whole fishing box is rotated downward, the grid partition is rotated toward the opening end of the inner box under the action of the counterweight, so as to make the separated spaces all open outward, and water and fish can be unloaded.

[0025] Further, the driving structure further comprises a base, the driving arm comprises a large arm and a small arm rotationally connected, the small arm is rotationally connected with the fishing box, the large arm is movably arranged on the base, the large arm is provided with a hydraulic cylinder one and connected with the small arm through the hydraulic cylinder one, the small arm is provided with a hydraulic cylinder two and connected with the fishing box through the hydraulic cylinder two.

[0026] By moving the upper arm and the lower arm, the fishing box has a greater range of movement, making it easier to retrieve fish from the aquaculture pond. Attached Figure Description

[0027] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0028] Figure 1 This is a front view of a mandarin fish fishing device according to an embodiment of the present invention;

[0029] Figure 2 for Figure 1 A cross-sectional view of the inner box of a mandarin fish catching device;

[0030] Figure 3 for Figure 1 A cross-sectional view of the outer casing of a mandarin fish catching device;

[0031] Figure 4 for Figure 1 The diagram shows a mandarin fish catching device in its first state after the outer casing is opened.

[0032] Figure 5 for Figure 1 The diagram shows a mandarin fish catching device in its second state after the outer box is opened;

[0033] Figure label:

[0034] 1-Fishing box, 3-Drive structure;

[0035] 10-Inner box, 101-Drain hole, 102-Limiting groove, 103-Arc groove, 11-Water injection pipe, 12-Grid cover plate, 121-Rack, 13-Rotating shaft, 131-Driving gear, 132-Driven gear, 14-Grid partition, 141-Counterweight block, 15-Fixing plate, 151-Clamping block, 152-Pressure block;

[0036] 20-Outer casing, 201-Arc-shaped rack, 202-Arc-shaped hook block, 203-Transmission gear, 204-Self-locking switch, 21-Inner plate, 211-Clamping groove;

[0037] 30-Drive arm, 31-Large arm, 311-Hydraulic cylinder one, 32-Small arm, 321-Hydraulic cylinder two, 33-Base. Detailed Implementation

[0038] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0039] Referring to Figures 1 to 5 The present application provides a mandarin fish fishing device, comprising a fishing box 1 and a driving structure 3 connected together, the fishing box 1 is put into the breeding pond through the driving structure 3, and fish and water can be fished together, so that the fish will not leave the water during the fishing process.

[0040] Specifically, as Figure 1 and Figure 2 shown, the fishing box 1 comprises an inner box 10 and an outer box 20, and both are arc-shaped boxes, the outer box 20 is rotatably sleeved outside the inner box 10, and the top is connected through a rotating shaft 13. A plurality of drainage holes 101 are formed on the wall of the inner box 10, and a water injection pipe 11 is arranged on the top, the rotation of the outer box 20 can block or open the drainage holes 101, and after the drainage holes 101 are opened, clean water can be injected into the box through the water injection pipe 11, so that the water can be replaced during the process of transporting the fish to the fish cart after fishing out of the pond, and dirty water can be prevented from entering the fish cart. In this embodiment, the rotating shaft 13 is driven by a motor.

[0041] The top of the inner box 10 is provided with a limiting groove 102 and a grid cover plate 12, the limiting groove 102 is fixedly arranged, and the grid cover plate 12 is slidably connected in the limiting groove 102. In this embodiment, the limiting groove 102 is a T-shaped rail, which can support and limit the grid cover plate 12. The grid cover plate 12 is provided with a rack 121, the rotating shaft 13 is provided with a driving gear 131, and one end of the top of the inner box 10 is also provided with a driven gear 132 rotatably connected, the driving gear 131 and the driven gear 132 are connected through a belt transmission, and can be engaged with the rack 121. When the outer box 20 rotates relative to the inner box 10, the rotating shaft 13 drives the driving gear 131 and the driven gear 132 to rotate, thereby driving the rack 121 to move, so that the grid cover plate 12 opens or closes the inner box 10. When the fishing box 1 enters the water, the outer box 20 is sleeved outside the inner box 10, and the grid cover plate 12 is opened at the same time, at this time, the top of the inner box 10 is in an open state, and the fish can enter the box under the action of the bait in the box. When the fishing box 1 is out of water, the outer box 20 can be rotated above the inner box 10, and the grid cover plate 12 is closed so that the fish cannot swim out, and the grid cover plate 12 and the outer box 20 can also prevent the fish from jumping out. At the same time, the outer box 20 opens the drainage holes 101, and the water injection pipe 11 is opened to replace the water.

[0042] Specifically, as Figures 3 to 5As shown, the inner side of the outer box 20 is connected with an inner plate 21, which is arc-shaped and can be attached to the outer wall of the inner box 10 to block the drain hole 101. The outer side of the inner plate 21, i.e. the side close to the outer box 20, is provided with a plurality of hook grooves 212 around the circumference, and one end of the inner plate 21 is provided with a clamping groove 211. The inner wall of the outer box 20 has a cavity inside, and the cavity is provided with an arc-shaped rack 201, an arc-shaped hook block 202 and a transmission gear 203. The arc-shaped rack 201 is arranged around the circumference of the outer box 20 and can rotate around the circumference. A plurality of transmission gears 203 are rotatably arranged in the cavity around the circumference and are all engaged with the arc-shaped rack 201. One end of the arc-shaped rack 201 is connected with the inner wall of the cavity through a self-locking switch 204, and the arc-shaped rack 201 is limited in the cavity and can only rotate along its arc line. One end of the arc-shaped hook block 202 is sleeved on the transmission gear 203, and the other end can extend out of the cavity and be inserted into the hook groove 212. A through groove is formed on the cavity for the arc-shaped hook block 202 to extend out.

[0043] One end of the outer wall of the inner box 10 is provided with a fixed plate 15, and the bottom of the fixed plate 15 is provided with a clamping block 151 and a pressing block 152. The clamping block 151 can be inserted into the clamping groove 211 and is in interference fit with the clamping groove 211. The pressing block 152 can extend into the cavity and press the end of the arc-shaped rack 201 away from the self-locking switch 204. Figure 3 As shown, when the outer box 20 is rotated to the outside below the inner box 10, the pressing block 152 extends into the cavity to press and push the arc-shaped rack 201 to rotate, thereby driving the plurality of transmission gears 203 to rotate. The transmission gears 203 drive the arc-shaped hook block 202 to rotate outward and insert into the hook groove 212, and fix the current position through the self-locking switch 204. At the same time, the clamping block 151 is inserted into the clamping groove 211 to complete the fixation. Figure 4 As shown in state one, when the outer box 20 is rotated away from the inner box 10, the arc-shaped hook block 202 and the hook groove 212 cooperate to drive the inner plate 21 to move together, thereby opening the drain hole 101 to drain water. When the outer box 20 is rotated again below the inner box 10, the pressing block 152 pushes the arc-shaped rack 201 and presses the self-locking switch 204, and the clamping block 151 is in interference fit with the clamping groove 211. Figure 5 As shown in state two, when the outer box 20 is rotated away from the inner box 10 again, the arc-shaped rack 201 moves under the action of the self-locking switch 204, and the arc-shaped hook block 202 is driven by the transmission gear 203 to rotate out of the hook groove 212, so that the outer box 20 and the inner plate 21 are relatively separated. The inner plate 21 continues to be closed outside the inner box 10 through the clamping block 151 and the clamping groove 211. This state is suitable for the fishing box 1 in the process of transfer in a position not suitable for drainage. It can not only block the drain hole 101 through the inner plate 21, but also close the top of the inner box 10 through the outer box 20 and the grid cover plate 12.

[0044] In order to improve the fixing effect of the outer box 20 and the inner plate 21, the arc-shaped rack 201 is a double-sided rack 121, the inner side and the outer side are provided with teeth, the transmission gears 203 are uniformly and staggered arranged on the inner side and the outer side of the arc-shaped rack 201, and are engaged with the arc-shaped rack 201, the bending directions of the arc-shaped hooks 202 of the transmission gears 203 on both sides are opposite, and the directions of the corresponding hook grooves 212 are also opposite. When the arc-shaped rack 201 rotates, the transmission gears 203 on both sides can be driven to move towards opposite directions, and the arc-shaped hooks 202 are respectively inserted into the corresponding hook grooves 212, thereby improving the fixing effect of the outer box 20 and the inner plate 21.

[0045] In the embodiment, the outer wall of the inner box 10 is provided with a limiting slide rail, the outer box 20 and the inner plate 21 are slidably connected with the limiting slide rail, and the limiting slide rail can limit and support the outer box 20 and the inner plate 21.

[0046] Specifically, as shown in Figure 2 , a plurality of grid partitions 14 are arranged in the inner box 10 along the vertical direction, the mesh sizes of the plurality of grid partitions 14 are different, and gradually decrease from top to bottom. The grid partitions 14 can be used for size screening of the incoming fish, so as to avoid that the big fish and the small fish are crowded together and the big fish eats the small fish. One end of the grid partition 14 is rotatably connected with the inner wall of the inner box 10, a plurality of arc-shaped grooves 103 are arranged on the inner wall of the inner box 10 and correspond to the grid partitions 14, and are arranged along the rotation track of the grid partitions 14. The grid partition 14 is provided with a counterweight 141 arranged in the arc-shaped groove 103, and the counterweight 141 can slide in the arc-shaped groove 103. When the fishing box 1 is rotated downward to unload the fish, the counterweight 141 can balance, and when the fishing box 1 is tilted, the grid partition 14 is driven to rotate, so as to open the separated spaces, thereby facilitating rapid unloading of the fish.

[0047] Specifically, as shown in Figure 1 , the driving structure 3 further includes a movable base 33, the driving arm 30 includes a large arm 31 and a small arm 32 rotatably connected, the large arm 31 is movably arranged on the base 33, the large arm 31 is provided with a hydraulic cylinder one 311 and is connected with the small arm 32 through the hydraulic cylinder one 311. The small arm 32 is rotatably connected with the fishing box 1, and the small arm 32 is provided with a hydraulic cylinder two 321 and is connected with the fishing box 1 through the hydraulic cylinder two 321. The base 33, the hydraulic cylinder one 311 and the hydraulic cylinder two 321 can drive the large arm 31, the small arm 32 and the fishing box 1 to move, so as to catch the fish in the breeding pond.

[0048] The working principle of the above-mentioned mandarin fish catching device is as follows: first, the outer box 20 is rotated to the lower side of the inner box 10 by the rotating shaft 13, and the grid partition plate 14 is opened, then the catching box 1 is placed into the water by the driving arm 30, and the fish group enters the box under the action of the bait, then the catching box 1 is lifted, the outer box 20 is rotated to the upper side of the inner box 10 and the grid partition plate 14 is closed, the inner plate 21 is closed or opened according to the actual situation, if the drain hole 101 is opened, water is injected into the box through the water injection pipe 11 to achieve the effect of water exchange, finally the catching box 1 is moved to the fish cart, the outer box 20 and the grid cover plate 12 are opened, and then the fish group is poured out, the grid partition plate 14 is balanced by the counterweight 141 to open the space of each layer, so that the fish of different sizes can be poured out.

[0049] Using the above-mentioned mandarin fish catching device, the fish and water can be caught together when catching the fish group, the fish group can be kept in the water during the catching process, the lack of oxygen condition is avoided, the quality rate is ensured, and the fish group is prevented from being crowded together and injured, so that the survival rate is affected.

[0050] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A device for catching mandarin fish, characterized in that: The fishing box and the driving structure are included; The fishing box includes an inner box; The driving structure includes a driving arm, one end of which is rotationally connected with the inner box, and the other end of which is connected with a power source; The fishing box further includes a water injection pipe and an outer box, the water injection pipe is arranged on the top of the inner box, a plurality of water discharge holes are arranged on the wall of the inner box, the outer box and the inner box are both arc-shaped boxes, and the outer box is rotationally sleeved outside the inner box; A limiting groove is arranged on the top of the inner box, and a grid cover plate is slidably connected with the limiting groove and can be arranged on the top of the inner box; A rotating shaft is arranged at the center of the top of the inner box, and the inner box is rotationally connected with the outer box through the rotating shaft, a driving gear is sleeved on the rotating shaft, a driven gear is rotationally connected with one end of the top of the inner box, the driving gear and the driven gear are driven through a belt, and a rack is arranged on the grid cover plate and engaged with the driving gear and the driven gear. An inner plate is connected to the inner side of the outer box, the inner plate is arc-shaped, a plurality of hook grooves are arranged on the side close to the outer box in the circumferential direction, and one end of the inner plate is provided with a clamping groove. A cavity is arranged in the inner box, an arc-shaped rack, an arc-shaped hook block and a transmission gear are arranged in the cavity, the arc-shaped rack is arranged in the circumferential direction of the outer box and can rotate in the circumferential direction, one end of the arc-shaped rack is connected with the inner wall of the cavity through a self-locking switch, a plurality of transmission gears are rotationally arranged in the cavity and engaged with the arc-shaped rack, one end of the arc-shaped hook block is arranged on the transmission gear, and the other end of the arc-shaped hook block can extend into the hook groove in the cavity. A fixed plate is arranged on the outer wall of one end of the inner box, a clamping block and a pressing block are arranged on the bottom of the fixed plate, the clamping block can be inserted into the clamping groove and is in interference fit, and the pressing block can extend into the cavity and press the end of the arc-shaped rack away from the self-locking switch.

2. The mandarin fish catching device according to claim 1, characterized in that: The inner side and the outer side of the arc-shaped rack are both provided with teeth, a plurality of transmission gears are arranged on the inner side and the outer side of the arc-shaped rack in a uniform and staggered manner and are engaged with each other, and the bending directions of the arc-shaped hook blocks on both sides are opposite.

3. The mandarin fish catching device according to claim 1, characterized in that: A plurality of grid partitions are arranged in the inner box in the vertical direction, the mesh sizes of the plurality of grid partitions are different, and the mesh sizes gradually decrease from top to bottom, one end of the grid partition is rotationally connected with the inner wall of the inner box, and the other end of the grid partition is lapped on the inner wall of the inner box.

4. The mandarin fish catching device according to claim 3, characterized in that: A plurality of arc-shaped grooves are arranged on the inner wall of the inner box, the arc-shaped grooves are arranged along the rotation track of the grid partition in one-to-one correspondence with the grid partition, one end of the grid partition rotationally connected with the inner box is provided with a counterweight, and the counterweight is located in the arc-shaped groove and is slidably connected with the arc-shaped groove.

5. The mandarin fish catching device according to claim 1, characterized in that: The driving structure further includes a base, the driving arm includes a large arm and a small arm which are rotationally connected, the small arm is rotationally connected with the fishing box, the large arm is movably arranged on the base, a hydraulic cylinder one is arranged on the large arm and connected with the small arm through the hydraulic cylinder one, a hydraulic cylinder two is arranged on the small arm and connected with the fishing box through the hydraulic cylinder two.

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