CN209914788U

CN209914788U - Eel selects to return pond device

Info

Publication number: CN209914788U
Application number: CN201920341541.9U
Authority: CN
Inventors: 王凤亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-10
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses an eel selects to be do not returned pond device, include: the eel breeding device comprises an eel inlet main pipe, an eel collecting pool, an eel separating device, a gate, a first hanging net, a second hanging net and a third hanging net; an eel collecting pool is arranged at an outlet of the eel inlet main pipe; arranging an eel separating device at the outer side of the eel collecting pool, and blocking the eel collecting pool and the eel separating device through a gate; the eel inlet main pipe is respectively provided with a first hanging net, a second hanging net and a third hanging net; the first hanging net, the second hanging net and the third hanging net are communicated with the eel inlet main pipe through eel inlet openings; the first lifting net, the second lifting net and the third lifting net are respectively communicated with the first eel inlet pipe, the second eel inlet pipe and the third eel inlet pipe. The device has the advantages of reasonable design, convenience in use, high working efficiency, low manufacturing cost and convenience in popularization.

Description

Eel selects to return pond device

Technical Field

The utility model belongs to the technical field of the relevant technique of eel breed and specifically relates to an eel selects to return pond device.

Background

Eel is also called white eel, white loach and the like, and is a rare fish cultured in fresh water. The meat is tender, delicious and high in nutritive value, and has the medicinal effects of removing blood stasis, promoting tissue regeneration, nourishing, recuperating and the like. The eel grows rapidly, has strong adaptability, can normally live even in water areas where dissolved oxygen is little and other fishes cannot live, has low requirement on artificial culture technology and has wide feed sources. In recent years, a large number of farmers breed eels in the soil pond, and high yield and high efficiency are obtained. The earth pond for cultivating the eels requires ventilation and sunny exposure, has sufficient water source and is not suitable for overlarge area, water lettuce or water peanuts with the width of 0.8-1 meter are planted around the earth pond, and a fence or a net enclosure is used for preventing the eels from escaping, shading and facilitating the growth of the eels. The pond is bred and need regularly clear up and sort eel to the eel among the eel farming process, and traditional letter sorting mode letter sorting is careful not enough, and it is very loaded down with trivial details to be accomplished by artifical manual mostly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eel selects to return pond device.

To achieve the above object, the present invention adopts the following:

an eel selecting and returning device, comprising: the eel breeding device comprises an eel inlet main pipe, an eel collecting pool, an eel separating device, a gate, a first hanging net, a second hanging net and a third hanging net; an eel collecting pool is arranged at an outlet of the eel inlet main pipe; arranging an eel separating device at the outer side of the eel collecting pool, and blocking the eel collecting pool and the eel separating device through a gate; the eel inlet main pipe is respectively provided with a first hanging net, a second hanging net and a third hanging net; the first hanging net, the second hanging net and the third hanging net are communicated with the eel inlet main pipe through eel inlet openings; the first lifting net, the second lifting net and the third lifting net are respectively communicated with the first eel inlet pipe, the second eel inlet pipe and the third eel inlet pipe.

Preferably, the eel separating device comprises an eel hanging barrel, an eel hanging barrel frame, a hanging frame, a bracket, a fixed pulley, an eel dumping barrel, a crane, an eel separating pipeline and a weighing device; a hoisting frame is arranged on the inner side of the eel hoisting barrel frame; a bracket is arranged at the upper end of one side of the eel hanging barrel frame; a fixed pulley is arranged at the top end of the bracket; an inverted eel barrel is arranged above the upper middle part of the eel hanging barrel frame; a lifting machine is arranged on the eel hanging barrel frame at the bottom end of the inverted eel barrel; arranging an eel separating pipeline at the rear end of the inverted eel barrel; the eel hanging barrel is arranged on the hoisting frame; the eel lifting barrel, the fixed pulley and the crane are connected through a steel wire; the eel hanging barrel frame is provided with a weighing device, and the weighing device is connected with the eel hanging barrel frame in a sliding manner.

Preferably, the inner side of the crane frame is provided with a sliding chute.

Preferably, the cross section of the sliding groove is concave.

Preferably, the eel hanging barrel comprises a moving frame, a barrel frame, a limiting wheel, a clamping block, a sliding wheel and a movable shaft; limiting wheels are respectively arranged at four corners of the movable frame, the limiting wheels are movably connected with the movable frame, and the limiting wheels are arranged in a sliding groove in the inner side of the crane frame; a barrel frame is arranged on the movable frame; the middle upper end of the barrel frame is connected with the top end of the movable frame through a movable shaft; sliding wheels are respectively arranged on two sides of the top end of the rear side of the barrel frame; and clamping blocks are arranged on two sides of the front end of the barrel frame.

Preferably, both the clamping blocks are inclined inwards and matched with the gate.

Preferably, the gate is in sliding connection with the eel collecting pool through a sliding chute.

Preferably, the eel separating device is made of a metal material.

Preferably, the eel bucket rack and the crane rack are connected through welding.

Preferably, the gate comprises a gate plate, a rotating shaft, a moving wheel, a gate closing function key, a positioning pulley, a gate opening function key, an upper cross bar, a lower cross bar, a connecting rod, a tension spring and a central wheel; the upper end and the lower end of the gate plate are respectively provided with a rotating shaft and a rotating shaft; moving wheels are respectively arranged on two sides of the rotating shaft and the rotating shaft, and the moving wheels are arranged in sliding grooves on two sides of the eel collecting pool; the upper end of the gate plate is provided with a gate closing function key, and the gate closing function key is movably connected with the gate plate through a rotating shaft; positioning pulleys are respectively arranged on two sides of the upper end of the rear side of the gate closing function key; the bottom end of the gate plate is provided with a gate opening function key, and the gate opening function key is movably connected with the gate plate through a rotating shaft; a central wheel is arranged in the center of the front end of the gate opening function key; an upper cross bar is arranged on the outer side of the gate closing function key in the transverse direction; a lower cross bar is arranged in the transverse direction of the upper side of the gate opening function key; a connecting rod is arranged between the upper cross rod and the lower cross rod; the connecting rod is connected with the side surface of the gate plate through a tension spring; the gate closing function key and the gate opening function key correspond to the width formed between the two clamping blocks.

The utility model has the advantages of it is following:

this device reasonable in design, convenient to use provides a high efficiency, high device of practicing thrift manual work, manpower, neither need the manual work of launching into water the work, does not need the manpower again to drag for the eel, and the whole pond processes of returning just can be accomplished to the operation loop wheel machine alone, has still shortened the eel time of leaving the water, can improve two to triple work efficiency.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the eel sorting and returning device of the utility model.

Fig. 2 is a schematic view of the eel separating device.

Figure 3 is a schematic view of a hanging eel bucket.

FIG. 4 is a schematic view of the rotation direction of the eel bucket

Fig. 5 is a schematic view of the gate.

Fig. 6 is a schematic view of a cross section of the chute.

In the figures, the various reference numbers are:

1-enter eel header pipe, 2-gather eel pool, 3-divide eel device, 31-hang eel barrel, 311-moving rack, 312-barrel rack, 313-spacing wheel, 314-clamping block, 315-sliding wheel, 316-movable shaft, 32-hang eel barrel rack, 33-crane rack, 331-sliding groove, 34-bracket, 35-fixed pulley, 36-inverted eel barrel, 37-crane, 38-divide eel pipe, 39-steel wire, 310-weighing device, 4-gate, 41-gate board, 42-rotating shaft, 43-rotating shaft, 44-moving wheel, 45-close gate function key, 46-positioning pulley, 47-open gate function key, 48-upper cross bar, 49-lower cross bar, 410-connecting bar, 411-tension spring, 412-center wheel, 5-first sling, 6-second sling, 7-third sling, 8-first eel tube, 9-second eel tube, 10-third eel tube, and 11-eel mouth.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

As shown in fig. 1 to 6, an eel sorting and returning device comprises: the eel breeding device comprises an eel inlet main pipe 1, an eel collecting pool 2, an eel separating device 3, a gate 4, a first hanging net 5, a second hanging net 6 and a third hanging net 7; an eel collecting pool 2 is arranged at the outlet of the eel inlet header pipe 1, so that eels to be selected can be conveniently collected in the eel collecting pool 2; the eel separating device 3 is arranged outside the eel collecting pool 2, the eel collecting pool 2 and the eel separating device 3 are separated by the gate 4, and the eel separating device 3 is arranged, so that the selected eels can be conveniently distributed into proper eel pools; the eel inlet main pipe 1 is respectively provided with a first hanging net 5, a second hanging net 6 and a third hanging net 7; the first hanging net 1, the second hanging net 2 and the third hanging net 3 are communicated with the eel inlet header pipe 1 through eel inlet openings 11; the first hanging net 5, the second hanging net 6 and the third hanging net 7 are respectively communicated with a first eel inlet pipe 8, a second eel inlet pipe 9 and a third eel inlet pipe 10; through setting up a plurality of hangers and a plurality of eel pipe of advancing, can go back the pond to multiple eel simultaneously, then open the eel mouth of advancing on the corresponding hanger according to the different eel of selecting, discharge the eel and return the pond to collection eel pond.

Further, the eel separating device 3 comprises an eel hanging barrel 31, an eel hanging barrel frame 32, a crane frame 33, a support 34, a fixed pulley 35, an eel dumping barrel 36, a crane 37, an eel separating pipeline 38 and a weighing device 310; a crane frame 33 is arranged on the inner side of the eel bucket frame 32; a bracket 34 is arranged at the upper end of one side of the eel hanging barrel frame 32; a fixed pulley 35 is arranged at the top end of the bracket 34; an inverted eel barrel 36 is arranged above the eel hanging barrel frame 32; a crane 37 is arranged on the eel hanging barrel frame 32 at the bottom end of the inverted eel barrel 36; an eel separating pipeline 38 is arranged at the rear end of the inverted eel barrel 36, and the eel separating pipeline 38 is arranged, so that the selected eels can be conveniently distributed into different eel ponds; the eel hanging barrel 31 is arranged on the lifting frame 33, and the lifting frame 33 and the eel hanging barrel 31 are in sliding connection through a sliding chute 331; the eel hanging barrel 31, the fixed pulley 35 and the crane 37 are connected through a steel wire 39; the eel hanging barrel 31 can be conveniently pulled upwards along the hanging frame 33 by starting the hanging machine 37, eels in the eel hanging barrel 31 can be conveniently poured into the eel pouring barrel 36, and then the eels are separated into proper eel ponds through the eel separating pipeline 38; the eel hanging barrel frame 32 is provided with a weighing device 310, the weighing device 310 is in sliding connection with the eel hanging barrel frame 32, the eel hanging barrel frame 32 is provided with a sliding frame with a groove, the weighing device 310 is in sliding connection with the sliding frame, when the weight of eels in the eel hanging barrel 31 needs to be weighed, only the eel hanging barrel 31 needs to be lifted, then the weighing device 310 is pushed to the bottom end of the eel hanging barrel 31, then the eel hanging barrel 31 is put down, and the eel hanging barrel 31 is pressed on the weighing device 310 to be weighed; when the weight of the eel in the eel hanging barrel 31 needs to be measured, the eel hanging barrel 31 is lifted upwards, the weighing device 32 is pushed to the bottom end of the eel hanging barrel 31 for weighing, and then the weight of the eel hanging barrel 31 is removed, so that the weight of the eel can be obtained.

Furthermore, a sliding groove 331 is formed inside the hanger frame 33, and the limiting wheels 313 on both sides of the moving frame 311 can move up and down in the sliding groove 331 by forming the sliding groove 331.

Furthermore, the cross section of the sliding groove 331 is concave, so that the limiting wheels 313 on two sides of the moving frame 311 are conveniently limited in the sliding groove 331.

Further, the eel hanging barrel 31 comprises a moving frame 311, a barrel frame 312, a limiting wheel 313, a clamping block 314, a sliding wheel 315 and a movable shaft 316; limiting wheels 313 are respectively arranged at four corners of the moving frame 311, the limiting wheels 313 are movably connected with the moving frame 311, and the limiting wheels 313 are arranged in sliding grooves 331 on the inner side of the crane frame 33; the limiting wheel 313 on the moving frame 311 is arranged in the sliding groove 331, so that the eel bucket 31 can be stably hung and the eel bucket 31 can be positioned. A barrel frame 312 is arranged on the movable frame 311; the upper middle end of the barrel frame 312 is connected with the top end of the movable frame 311 through a movable shaft 316, so that the barrel frame 312 can be conveniently turned over on the movable frame 311; sliding wheels 315 are respectively arranged on two sides of the top end of the rear side of the bucket rack 312, so that the eel bucket 31 can be stably hung; latch blocks 314 are provided at both sides of the front end of the tub 312. When the eel hanging barrel 31 leaves the gate function key, the eel hanging barrel 31 continues to ascend, the eel hanging barrel 31 ascends after being lifted temporarily, at the moment, the scale is pushed to the lower part of the eel hanging barrel 31, the eel hanging barrel 31 is put down for weighing, the eel hanging barrel 31 ascends again after being weighed, when the eel hanging barrel 31 is lifted to the topmost end of the two sliding grooves 331 and the sliding grooves 331 on the topmost end are bent, the two sliding wheels 315 above the barrel frame 312 leave the sliding ways, at the moment, the movable frame 311 also reaches the highest fixed point, but the eel hanging barrel 31 continues to be hung upwards by the crane, at the moment, the eel hanging barrel 31 rotates 160 degrees to pull the highest point of the eel hanging barrel 31, so that eels are smoothly poured into the eel pouring barrel 36 with the water pipe, and the eels flow into the culture pond along the eel separating pipeline 38.

Further, both the latch 314 are inclined inward and cooperate with the shutter 4, and the latch 314 is provided to facilitate opening and closing of the shutter 4.

Furthermore, the gate 4 is connected with the eel collecting pool 2 in a sliding mode through the sliding chute, so that the gate 4 can be opened conveniently, and the workload is reduced.

Furthermore, the eel separating device 3 is made of metal materials, so that the working strength of the device is improved conveniently.

Further, the eel bucket rack 32 and the crane rack 33 are connected by welding.

Further, the gate 4 includes a gate plate 41, a rotating shaft 42, a rotating shaft 43, a moving wheel 44, a gate closing function key 45, a positioning pulley 46, a gate opening function key 47, an upper cross bar 48, a lower cross bar 49, a link 410, a tension spring 411 and a center wheel 412; a rotating shaft 42 and a rotating shaft 43 are respectively arranged at the upper end and the lower end of the gate plate 41; moving wheels 44 are respectively arranged on two sides of the rotating shaft 42 and the rotating shaft 43, and the moving wheels 44 are arranged in sliding grooves on two sides of the eel collecting pool 2 and are in sliding connection with the eel collecting pool 2; a gate closing function key 45 is arranged at the upper end of the gate plate 41, and the gate closing function key 45 is movably connected with the gate plate 41 through a rotating shaft 42; positioning pulleys 46 are respectively arranged on two sides of the upper end of the rear side of the gate closing function key 45; a gate opening function key 47 is arranged at the bottom end of the gate plate 41, and the gate opening function key 47 is movably connected with the gate plate 41 through a rotating shaft 43; a central wheel 412 is arranged at the center of the front end of the gate opening function key 47, and the function of flexibly opening and closing the gate 4 is achieved; an upper cross bar 48 is arranged on the outer side of the gate closing function key 47 in the transverse direction; a lower cross bar 49 is arranged on the upper side of the gate opening function key 47 in the transverse direction; a connecting rod 410 is arranged between the upper cross rod 48 and the lower cross rod 9, and a function key which can be opened and closed in parallel by the connecting rod 410 is arranged, and the opened and closed function key can swing up and down by 90 degrees; the connecting rod 410 is connected with the side surface of the gate plate 41 through a tension spring 411, the tension spring 411 can prevent the positioning pulley 46 on the gate closing function key 45 from sliding downwards when the gate closing function key is closed, and when the gate 4 is opened, the gate closing function key 45 is lapped on the eel hanging barrel 31 to play a role of an eel flowing plate, so that eels can conveniently flow into the eel hanging barrel 31; the gate closing function key 45 and the gate opening function key 47 correspond to the width formed between the two clamping blocks 314, so that the gate 4 can be conveniently opened and closed through the eel hanging barrel 31.

When the gate 4 needs to be opened, the gate 4 can be opened to release the eels when being pulled downwards, the method is easier to open and close the gate 4, the gate 4 can be quickly opened and closed, and the method has no damage to the eels and good flexibility; the gate 4 is opened and closed without manual opening and closing, the gate 4 is driven to be opened and closed by the sliding of the eel lifting barrel 31 sliding up and down, and a functional device for opening and closing is arranged on the gate 4; the gate 4 comprises a gate outer frame and a gate plate 41, wherein sliding grooves are formed in two sides of the inner side of the outer frame and used for installing moving wheels 44 on the gate 4 and the gate plate 41 to move up and down; the gate 4 is provided with four moving wheels 44 which are arranged at two sides of the rotating shaft 43 and the rotating shaft 42 and are used for being sleeved in the sliding groove of the outer frame to open and close the gate 4. Can be easily opened and closed up and down under the water pressure. Two positioning pulleys 46 are arranged on the function key for closing the gate 4, slide up and down along the outer edge of the groove of the outer frame of the gate and are used for positioning the function of opening and closing the gate. A center wheel 412 is mounted on the shutter opening function key 47 to function as a flexible shutter 4. The function key of the switch is connected by two connecting rods 410, can be opened and closed in parallel, the function key of opening and closing can swing up and down by 90 degrees, two return tension springs 411 are also arranged on the connecting rods 410 and used for closing the gate 4 and positioning without sliding down, and the function key 45 of closing the gate also has the function that eel flows to the eel hanging barrel 31 from the upper surface and is called as a eel flowing plate; the gate opening function key 47 is pressed on the gate opening function key 47 by the self weight of the eel lifting barrel 31, at the moment, the function key swings downwards by 90 degrees, the gate closing function key 45 is driven to swing downwards by 90 degrees under the action of the connecting rod 410 and is pressed on the upper opening of the eel lifting barrel 31, meanwhile, the gate 4 is opened downwards along with the eel lifting barrel 31, at the moment, two positioning pulleys 46 on the gate closing function key 45 start to slide along the outer edge of the groove of the outer frame of the gate, and the opening and closing function keys are positioned immovably. After the eel is filled, the hoisting eel barrel 31 is lifted, the gate closing function key 45 is pressed on the eel barrel 31, the eel barrel 31 is clamped on the outer frame for positioning due to the positioning pulley 46, so that the function key cannot swing, the gate 4 follows the eel barrel 31 to lift and close the gate 4, the positioning pulley 46 on the gate closing function key 45 is closed while the gate 4 is closed, the positioning pulley 46 leaves the sliding channel of the outer frame, and the function key rotates upwards by 90 degrees due to the action of the tension spring 411, so the gate closing function key 45 leaves the eel barrel 31. Because the gate closing function key 45 rotates by 90 degrees, the positioning pulley 46 is just clamped on the outer frame of the gate 4, and the gate 4 cannot slide down; a small pool is dug in front of the opening 4 of the gate, and is used for lifting the eel barrel 31 to put down and open the gate, and eel is discharged into the eel lifting barrel 31. The bottom is provided with a water outlet, and mechanical drainage can be used if the terrain does not allow; when the eel barrel leaves the switch gate function key 45, the eel hanging barrel 31 rises along the hanging frame 33 with the positioning function. After the weight is weighed after the half of the weight is lifted, the eel is lifted along the hanger frame 33, and is automatically poured into the eel dumping barrel 36 from the top, and the eel dumping barrel 36 is connected with a water pipe and flows into the culture pond.

The working principle of the device is as follows: when in use, the eels are firstly released and put in the corresponding first hanging net 5, second hanging net 6 and third hanging net 7 through the first eel inlet pipe 8, the second eel inlet pipe 9 and the third eel inlet pipe 10 respectively; then according to the selected eel in the hanging net, opening the corresponding eel inlet 11, closing other eel inlet 11, discharging the eel into the eel collecting pool 2 through the eel inlet header pipe 1, then opening the gate 4 to enter the eel hanging barrel 31, starting the crane 37, lifting the eel hanging barrel 31 from the bottom end to the top end of the crane frame 33 through the rotation of the crane 37, pouring the eel in the eel hanging barrel 31 into the eel pouring barrel 36, finally discharging the eel according to the selected eel pool, and only connecting the eel separating pipeline 38 to the proper eel pool; when the weight of the eels in the eel hanging barrel 31 needs to be weighed, the eel hanging barrel 31 is firstly hung, then the weighing device 310 is pushed out to the bottom of the eel hanging barrel 31, and finally the eel hanging barrel 31 is put down for weighing; when the eels in other suspension nets need to be separated into pools, the operation is only needed to be carried out according to the operation.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. The utility model provides an eel selects to return pond device which characterized in that includes: the eel breeding device comprises an eel inlet main pipe, an eel collecting pool, an eel separating device, a gate, a first hanging net, a second hanging net and a third hanging net; an eel collecting pool is arranged at an outlet of the eel inlet main pipe; arranging an eel separating device at the outer side of the eel collecting pool, and blocking the eel collecting pool and the eel separating device through a gate; the eel inlet main pipe is respectively provided with a first hanging net, a second hanging net and a third hanging net; the first hanging net, the second hanging net and the third hanging net are communicated with the eel inlet main pipe through eel inlet openings; the first lifting net, the second lifting net and the third lifting net are respectively communicated with the first eel inlet pipe, the second eel inlet pipe and the third eel inlet pipe.

2. The eel sorting and pond returning device according to claim 1, wherein the eel separating device comprises an eel hanging barrel, an eel hanging barrel frame, a hanging frame, a bracket, a fixed pulley, an eel dumping barrel, a crane, an eel separating pipeline and a weighing device; a hoisting frame is arranged on the inner side of the eel hoisting barrel frame; a bracket is arranged at the upper end of one side of the eel hanging barrel frame; a fixed pulley is arranged at the top end of the bracket; an inverted eel barrel is arranged above the upper middle part of the eel hanging barrel frame; a lifting machine is arranged on the eel hanging barrel frame at the bottom end of the inverted eel barrel; arranging an eel separating pipeline at the rear end of the inverted eel barrel; the eel hanging barrel is arranged on the hoisting frame; the eel lifting barrel, the fixed pulley and the crane are connected through a steel wire; the eel hanging barrel frame is provided with a weighing device, and the weighing device is connected with the eel hanging barrel frame in a sliding manner.

3. The eel sorting and returning device as claimed in claim 2, wherein the inner side of the crane frame is provided with a chute.

4. The eel sorting and returning device as claimed in claim 3, wherein the cross section of the sliding groove is concave.

5. The eel sorting and returning device as claimed in claim 2, wherein the eel hanging barrel comprises a moving frame, a barrel frame, a limiting wheel, a clamping block, a sliding wheel and a movable shaft; limiting wheels are respectively arranged at four corners of the movable frame, the limiting wheels are movably connected with the movable frame, and the limiting wheels are arranged in a sliding groove in the inner side of the crane frame; a barrel frame is arranged on the movable frame; the middle upper end of the barrel frame is connected with the top end of the movable frame through a movable shaft; sliding wheels are respectively arranged on two sides of the top end of the rear side of the barrel frame; and clamping blocks are arranged on two sides of the front end of the barrel frame.

6. The eel sorting and returning device as claimed in claim 5, wherein the two blocks are inclined inwards and cooperate with the gate.

7. The eel sorting and returning device as claimed in claim 1, wherein the gate is slidably connected with the eel collecting pool through a chute.

8. The eel sorting and returning device as claimed in claim 1, wherein the eel sorting device is made of metal material.

9. The eel sorting and returning device as claimed in claim 2, wherein the eel bucket rack and the hanging rack are connected by welding.

10. The eel sorting and returning device as claimed in claim 1, wherein the gate comprises a gate plate, a rotating shaft, a moving wheel, a gate closing function key, a positioning pulley, a gate opening function key, an upper cross bar, a lower cross bar, a connecting rod, a tension spring and a central wheel; the upper end and the lower end of the gate plate are respectively provided with a rotating shaft and a rotating shaft; moving wheels are respectively arranged on two sides of the rotating shaft and the rotating shaft, and the moving wheels are arranged in sliding grooves on two sides of the eel collecting pool; the upper end of the gate plate is provided with a gate closing function key, and the gate closing function key is movably connected with the gate plate through a rotating shaft; positioning pulleys are respectively arranged on two sides of the upper end of the rear side of the gate closing function key; the bottom end of the gate plate is provided with a gate opening function key, and the gate opening function key is movably connected with the gate plate through a rotating shaft; a central wheel is arranged in the center of the front end of the gate opening function key; an upper cross bar is arranged on the outer side of the gate closing function key in the transverse direction; a lower cross bar is arranged in the transverse direction of the upper side of the gate opening function key; a connecting rod is arranged between the upper cross rod and the lower cross rod; the connecting rod is connected with the side surface of the gate plate through a tension spring; the gate closing function key and the gate opening function key correspond to the width formed between the two clamping blocks.