CN113966725A

CN113966725A - Fish lifting machine

Info

Publication number: CN113966725A
Application number: CN202110756020.1A
Authority: CN
Inventors: 吴为国
Original assignee: Zhejiang Fudi Machinery Co ltd
Current assignee: Zhejiang Fudi Machinery Co ltd
Priority date: 2020-07-22
Filing date: 2021-07-05
Publication date: 2022-01-25
Anticipated expiration: 2041-07-05
Also published as: CN117204391A; CN113966725B

Abstract

The invention relates to a fish elevator, which mainly comprises a rotary drum, a bracket and power; the shell of the rotary drum is a round tubular body, a spiral sheet is arranged in the tubular body, and the tubular body and the spiral sheet are driven by power to rotate on the support during working, so that fish at the inlet at the lower end of the rotary drum and water are lifted to the outlet at the upper end of the rotary drum under the action of the spiral sheet.

Description

Fish lifting machine

Technical Field

The invention belongs to aquaculture equipment, and particularly relates to a machine for fishing and lifting live fish.

Background

The pond replacement and the fishing are usually carried out manually in the aquaculture process, the labor intensity is high, the efficiency is low, and the fish damage rate is high. CN109526853A and CN209628400U are announced in 2019, and the device is based on Archimedes spiral for lifting live fish. A device for lifting live fish by rotating helical blades installed in a cylinder is disclosed. The disadvantages are that when the fish-shaped fish box works, a gap is formed between the blades and the cylinder which rotate relatively, and the part of the fish-shaped fish box has a structure.

Disclosure of Invention

The invention aims to provide a machine which enables live fish entering an inlet at the lower end of a rotary drum to rise to the shore together with water and directly enter a container which can be arranged on a vehicle when the rotary drum and a spiral sheet fixed on the inner wall are screwed together during working.

The purpose of the invention is realized as follows:

a fish elevator mainly comprises a rotary drum, a bracket and power; the shell of the rotary drum is a tubular body, a spiral sheet is arranged in the tubular body, the spiral sheet is fixedly connected with the inner wall of the tubular body, and when the rotary drum works, the rotary drum is driven to rotate by power so that fish entering the inlet at the lower end of the rotary drum and water are lifted to the outlet at the upper end of the rotary drum under the action of the spiral sheet.

The outer circle of the rotary drum is locally provided with a reinforcing ring, the position of at least one reinforcing ring on the rotary drum corresponds to a supporting mechanism on the bracket, or the shell of the rotary drum is firm enough and does not need to be provided with the reinforcing ring; the supporting mechanism comprises a bracket on which a roller is arranged, and when the supporting mechanism works, power drives a rotary drum to rotate on the roller, or the roller is replaced by a sliding friction block; the power comprises an electric motor, or the electric motor drives the rotary drum to rotate through a speed reducing mechanism, or the hydraulic pump provides pressure oil and the hydraulic motor drives the rotary drum to rotate.

The drum is manufactured by one of several methods as follows: the shell of the rotary drum is a metal circular pipe, the inner wall of the metal circular pipe is fixedly connected with a spiral sheet to form the rotary drum, and the rotary drum comprises an integral structure or is formed by connecting a plurality of sections of short rotary drums into a whole; the shell of the rotary drum is a circular tube, a spiral piece with a shell is arranged in the circular tube, and a plurality of spiral piece pieces with the shell are stacked into a required length; the shell of the rotary drum is a circular spiral pipe which is spirally rolled by stainless steel or galvanized iron strip materials, and a spiral sheet is arranged in the rolled circular spiral pipe; or the spiral lead of the circular spiral pipe is the same as the lead of the spiral sheet, and the spiral sheet is arranged in the spiral joint seam of the circular spiral pipe; the spiral sheet of the rotating drum is formed by segmented injection molding and is stacked in the circular tube to form the rotating drum; or a plurality of plastic pieces with the spiral sheets and the shells are formed by injection molding and stacked into a rotary drum, or a plurality of plastic pieces with the spiral sheets and the shells are formed by injection molding and stacked into a round pipe to form a rotary drum with a double-layer shell; each spiral sheet of the spiral sheet piece with the shell is formed in an injection molding mode does not exceed one circle, and a positioning mechanism or a positioning mark is arranged between stacking positions of the spiral sheet pieces with the shells; and fifthly, the diameter of the shell of the fish inlet section at the lower end of the rotary drum is larger than that of the shell of the rotary drum body, a transition section is arranged between the shell of the fish inlet section and the shell of the rotary drum body, or the fish inlet section is arranged to be conical, or the fish inlet section is arranged to be a bell mouth.

The rollers comprise axially positioned rollers and radially positioned rollers, and the radially positioned rollers are arranged at the bearing position of the rotary drum; the roller positioned axially is provided with a groove which is matched with a flange basically matched with the rotary drum, and the rotary drum is positioned axially and radially when rotating; or the excircle of the roller is in contact with the flange on the rotating drum and is axially positioned.

The rotary drum is internally provided with a central tube which is fixedly connected with the spiral piece, and one end or two ends of the central tube are provided with bearings for supporting the rotary drum.

A stacked fish lifting machine mainly comprises a rotary drum, a bracket and power; the rotary drum is formed by stacking a plurality of single rotary drums according to the required length, each single rotary drum is composed of a small section of shell and a spiral sheet in the shell, the inner circle of the shell and the spiral sheet are integrated, and the single rotary drum is provided with a connecting mechanism and a positioning mechanism; or the single-section rotary drum shell is arranged into an interlayer, and the stacking mechanism, the positioning mechanism and the fasteners required by stacking are arranged at the interlayer.

A stacked fish lifting machine mainly comprises a rotary drum, a bracket and power; the rotary drum is formed by combining a single rotary drum and a basic rotary drum, the basic rotary drum comprises a metal pipe, the shell of the metal pipe is round, a spiral sheet is arranged in the metal pipe, the spiral sheet is fixedly connected with the inner wall of the pipe-shaped body, and a support member and a driving member are arranged on the support to enable the basic rotary drum to rotate during work; the single section of the rotary drum is arranged at the lower end or the upper end and the lower end of the basic rotary drum according to requirements, or the diameter of the short rotary drum arranged at the lower end is larger than that of the basic rotary drum.

The said drum is made up of injection moulded single drum with casing and spiral plate not more than one turn, and the drum casing is made up of metal strips and glass fibre coated with paint.

The rotary drum is formed by stacking single rotary drums formed by injection molding, a reinforcing ring is arranged at part of the excircle of the rotary drum, a groove is formed in the shell of the single rotary drum, a metal strip is arranged in the groove, the metal strip and the reinforcing ring are welded to form an integral rotary drum, and a support arranged on the support is contacted with the reinforcing ring so as to rotate; or a layer of stainless steel thin-wall pipe is arranged outside the metal strip and the injection molding part, or the metal strip and the injection molding part are coated with paint and glass fiber to form an integral rotary drum.

The fish lifting machine is arranged on the vehicle to become a special vehicle for catching and lifting fish.

Compared with the prior art, the invention has the outstanding advantages that:

the fish lifting machine provided by the invention has the advantages that the rotating drum and the machine fixed on the inner wall spiral piece rotate together, so that live fish and water can be lifted into a container on the bank side together, and the container can be arranged on a vehicle. The energy-saving and power-saving working efficiency of the fish elevator is high, the labor intensity is low during working, and the non-damage rate of live fish can be improved. Meanwhile, the invention also discloses a related manufacturing method of the fish elevator. The fish elevator can be used for manufacturing fish elevators with different diameters and lengths according to the size and the lifting height of the fish body. The fish elevator can also be used in the production line in the process of processing aquatic products.

Drawings

FIG. 1 is a schematic view of a fish elevator of the present invention;

FIG. 2 is a schematic view of a fish elevator of the present invention; (transportable state)

FIG. 3 is a schematic view of a fish elevator of the present invention;

FIG. 4 is a schematic view of the structure of the present invention in which a fish lifting machine and a grading weighing mechanism are mounted on a vehicle;

FIG. 5 is a schematic view of a fish elevator of the present invention resting on the side of the tank;

FIG. 6 is a schematic view of a weighing basket with two sloped sides according to the present invention; (Movable door closed)

FIG. 7 is a schematic view of a weighing basket with two sloped sides according to the present invention; (Movable door opening)

FIG. 8 is a schematic view of a weighing basket configuration of the present invention; (electromagnet on the rear side)

FIG. 9 is a schematic view of the structure of the fish-water separator with a grill according to the present invention;

FIG. 10 is a schematic view of a partial configuration of a rotary drum of the fish elevator of the present invention having an inlet end larger in diameter than the main body of the rotary drum;

FIG. 11 is a schematic view of the classifier and weighing mechanism of the present invention; (shutter-closed Movable door open Normal state)

FIG. 12 is a schematic view of the radial positioning of the drum of the present invention;

FIG. 13 is a schematic view of a drum rotation mechanism of the present invention;

FIG. 14 is a schematic view of the drum axial positioning structure of the present invention;

FIG. 15 is a schematic view of the drum axial positioning arrangement of the present invention; (axial positioning mechanism is arranged on the central tube)

FIG. 16 is a schematic view of the combined structure of the center tube and deep groove ball bearing and thrust bearing of the present invention;

FIG. 17 is a perspective view of the fish water separator and the fish outlet of the present invention;

FIG. 18 is a schematic view of the structure of the fish-water separator and cover of the present invention;

FIG. 19 is a schematic view of the cross-sectional view of the fish water separator and the drum structure of the present invention;

FIG. 20 is a perspective view of a single section plastic drum with housing according to the present invention;

FIG. 21 is a perspective view of the plastic shell spiral of the present invention;

FIG. 22 is a schematic perspective view of the single section plastic drum of the present invention in stacked arrangement;

FIG. 23 is a schematic cross-sectional view of a single drum stack of the present invention;

FIG. 24 is a perspective view of a single section plastic drum with an interlayer of the present invention;

FIG. 25 is a schematic cross-sectional view of a stack of individual segments of a plastic drum with an interlayer according to the present invention;

FIG. 26 is a schematic view of a drum for a circular spiral pipe formed by rolling a strip-shaped metal sheet according to the present invention;

FIG. 27 is a schematic view of the arrangement of the spiral sheet in the reinforcing rib of the present invention;

FIG. 28 is a schematic view of the grooved roller and drum configuration of the present invention;

FIG. 29 is a schematic view of the axial positioning structure of the conical rollers and the drum flange according to the present invention;

FIG. 30 is a schematic view of the present invention with the weight sensor mounted below the weighing basket; (Gate closed Normal)

FIG. 31 is a schematic view of the spiral-shaped grating roller structure of the present invention;

FIG. 32 is a schematic view of a combination of a fish elevator and a graduated weighing mechanism of the present invention; (the fish-water separator is replaced by a grading grid)

FIG. 33 is a schematic view of a combined fish elevator and weighing mechanism of the present invention with a sieve structure channel;

FIG. 34 is a schematic view of the channel structure of a push plate of the present invention disposed on a belt-shaped body.

1-a rotating drum; 2-a scaffold; 3-a fish water separator; 4-a fish outlet; 5, a water collecting hopper; 6-wheel legs; 7-a bottom foot rest; 8-adjusting the rod; 9-a guard ring; 10-a culture pond; 11-square tube; 12-the ground; 13-a circular tube; 14-a helical sheet; 15-a roller; 16-upper rollers; 17-an electric motor; 18-a reduction mechanism; 19-a driven gear; 20-a drive gear; 21-a central tube; 22-a flange; 23-axial rollers; 24-a bearing; 25-circlip; 26-a seal; 27-axis; 28-shaft seat; 29-a plastic housing; 30-groove; 31-a connecting strip; 32-reinforcing rings; 33-interlayer plastic outer ring; 34-a positioning column; 35-a hole through the long stud; 36-positioning holes; 37-circular spiral tube; 38-a strip of material; 39-mounting a roller fixing frame; 40-backwater pipe joint; 41-groove; 42-a flange; 43-a lid; 44-a bushing; 45-pulling the shaft; 46-a bearing seat; 47-thrust ball bearing; 48-a seal; 49-upright column; 50-cross arm; 51-deep groove ball bearing; 52-water leakage holes; 53-injection molding of the central tube; 54-a grading grid; 55-chute; 56-a baffle plate; 57-a scaffold; 58-an indexing mechanism; 59-a weight sensor; 60-weighing basket; 61-a movable door; 62-a swing shaft; 63-an electromagnet; 64-a counterweight block; 65-an outlet; 66-a slide; 67-an electromagnet; 68-a weighing basket mounting location; 69-adjusting rod; 70-the active side; 71-a turntable; 72-a guide rail; 73-oil cylinder; 74-a vehicle; 75-a slide plate; 76-reinforcing ribs; 77-fastening bolts; 78-fixed side; 79-pin shaft; 80-notch; 81-a platform; 82-a fixed base; 83-conical rollers; 84-a piston rod; 85-a spiral drum; 86-a roller; 87-a fish receiving groove; 88-a transmission belt; 89-a lid; 90-push plate; 91-a rotating shaft; 92-a drive device; 93-corridor type passage; 94-a gate; 95-mesh screen; 96-ramp bottom; 97-pin shaft hole; 98-wheels; 99-a belt type body; 100-an upper cover; 101-a baffle; 102-water surface; 103-a guide rail; 104-acne vulgaris; 105-an inlet section; 106-flange; 107-a transition section; 108-a gate; 109-pin shaft.

Detailed Description

The invention is further described in the following detailed description of embodiments in conjunction with the drawings, see fig. 1-34:

a fish elevator mainly comprises a rotary drum 1, a bracket 2 and power; the shell of the rotary drum can be a metal or nonmetal tubular body and comprises a circular tube 13, a spiral sheet 14 is arranged in the circular tube 13, and the spiral sheet 14 can be fixedly connected with the inner wall of the circular tube; the center of the spiral sheet 14 can be provided with a central tube to make the spiral sheet more firm. When the fish lifting machine works, the rotary drum 1 can be driven by power to rotate on the bracket 2. The fish can be introduced into the fish inlet at the lower end of the drum 1 by means of a net or the like, and lifted together with the water by the flights 14 to an upper outlet 65 of the drum 1, said upper outlet 65 being provided with the flange 42. The export can set up fish water separator 3, fish water separator 3 including the bottom plate that leaks hole 52 or bars 108, can set up water collecting bucket 5 and wet return under the bottom plate, fish water separator 3 and support 2 be connected the position and can be provided with one and be less than export flange 42 radius and than the big breach 80 of rotary drum shell radius, fish water separator 3 can fix the irrotational in the space between support 2 upper end and the export flange, the fish that promotes falls from going out fish mouth 4 and falling in fish water separator 3, can set up lid 43 on fish water separator's the uncovered. The water return pipe can be provided with a valve, and if the valve of the water return pipe is closed, the fish and the water flow out from the fish outlet 4 together. The helices described herein include archimedes helices.

The fish inlet at the lower end of the rotary drum can be further provided with a protective ring 9, so that a person who works in the water can be prevented from touching the rotary drum 1 and winding a fish net and the like, and the protective cover 9 can be arranged at the lower end of the support 2 and cannot rotate.

A bottom foot frame 7 can be arranged below the support, and wheel legs 6 can be arranged below the bottom foot frame 7. The larger fish elevator can be provided with a traction mechanism connected with a motor vehicle, and can be dragged more conveniently by the vehicle when needing to be transferred. The device for adjusting the height or the included angle between the rotating drum and the horizontal plane can be arranged between the bottom foot frame 7 and the support 2, the adjusting mechanism for the included angle between the rotating drum 1 and the horizontal plane comprises a pin shaft 79 and an adjusting rod 8 which are hinged to each other and arranged between the support 2 and the bottom foot frame 7, and the adjusting rod 8 is preferably a hydraulic cylinder. The adjusting mechanism can move back and forth in the middle section of the bracket 2 according to requirements, and for example, the bottom bracket 7 and the middle section of the bracket 2 are provided with a guide rail 103 and a sliding seat 104, and the bracket 2 can be adjusted to move back and forth on the sliding seat by a hydraulic cylinder. The slide 104 and the fixed side 78 of the bottom bracket 7 can be hinged by a pin 79. The movable side 70 is hinged with the fixed side 78, and the movable side 70 can be folded upwards to facilitate the complete machine to be dragged by a vehicle during moving; the movable side 70 can adjust the height downwards or relieve the stress of the wheel legs during the operation, so that the foot frame 7 can be more stably grounded. The support 2 and the bottom bracket 7 can be made of steel pipes or be matched with other sectional materials, wherein one steel pipe of the support 2 can be used as a water return pipe. The steel pipe comprises a round pipe, a special pipe or a rectangular pipe. The fastening bolt 77 which is locked into a whole can be arranged between the bottom foot frame 7 and the bracket 2, so that the movement is more reliable.

The frame 2 is provided with means for supporting the drum and enabling the drum 1 to rotate under the action of power. The drum 1 can be made into a tubular body by stainless steel plates, the shell can be partially provided with a reinforcing ring 32, at least one or two reinforcing rings with round outer surfaces are arranged on the drum at positions corresponding to the supporting mechanisms on the bracket 2, the reinforcing ring 32 can rotate on the supporting mechanisms during operation, the reinforcing ring is arranged to reduce the manufacturing cost of the outer wall of the drum, and the reinforcing ring can be omitted if the outer wall of the drum is firm enough and round. The supporting mechanism comprises at least one group of rollers arranged on a bracket, and each group of rollers can be two; or each group is provided with three rollers, wherein the two rollers 15 at the lower part bear the weight, and the upper roller 16 can be adjusted to be tight and loose. When the device works, the power drives the rotary drum 1 to rotate on the roller. The roller can be replaced by a sliding friction block to form sliding friction, the sliding friction block comprises a radial friction block and an axial friction block, the friction block can be arranged at a part of the lower end of the rotary drum entering water, and the friction block can be made of a water lubricating material.

The rotating cylinder can be internally provided with a central tube 21, the central tube 21 is fixedly connected with the spiral sheet, and one end of the central tube 21 can be provided with a bearing for supporting the axial force of the rotating cylinder. The bearing for supporting the axial force of the rotating drum comprises a thrust ball bearing 47, and a bearing capable of simultaneously bearing the axial force and the radial force, such as a tapered roller bearing, or a combination of a deep groove ball bearing 51 and the thrust ball bearing 47, can also be arranged at the upper end of the central tube 21. The short fish lift of rotary drum can all set up the bearing at the both ends of center tube, the bearing include antifriction bearing or slide bearing, can save gyro wheel structure or slip friction block structure. The central tube of the smaller fish lift may be replaced by a solid shaft.

A fish elevator mainly comprises a rotary drum, a bracket and power, wherein the manufacturing method of the rotary drum comprises one of the following steps: the shell of the rotary drum 1 is a metal circular tube 13, the inner wall of the metal circular tube 13 is welded with the spiral sheets 14 to form the rotary drum 1, the rotary drum 1 comprises an integral structure, or the rotary drum 1 is connected into a whole by a plurality of sections of short rotary drums, the connecting method comprises welding, and the reinforcing ring 32 can be arranged at the welding position of the two sections to increase the strength of the welding position. Or the shell of the rotary drum 1 is a metal circular tube 13, and the material of the metal circular tube 13 comprises stainless steel. The circular tube is provided with a spiral piece with a shell, and the spiral piece with the shell is stacked into a plurality of required lengths. Furthermore, a plurality of spiral plastic parts formed by injection molding can be arranged in the stainless steel circular pipe 13, the spiral plastic parts can be provided with a plastic central pipe, and the outer circle of the spiral plastic parts can be provided with or without a plastic shell. The structure that the excircle of the spiral plastic part is provided with the plastic shell is matched with the circular metal pipe, so that the shell of the rotary drum becomes a double-layer structure combined by steel and plastic, and the end part of the stainless steel circular pipe can be provided with a baffle plate to fix the plastic part.

The outer shell of the drum may be a circular spiral tube 37 made of a stainless steel or galvanized steel strip material 38 by spirally winding, and the joint seams of the spiral tube may be connected by mutual snapping or welding. The spirally rolled circular spiral tube 37 is cut into the shell of the drum according to the required length, and the spiral sheets 14 can be arranged in the rolled circular spiral tube 37. The spiral sheet 14 may also be welded during the process of rolling the circular spiral tube 37. Further, the spiral lead of the circular spiral tube 37 and the lead and the spiral direction of the spiral piece 14 may be set to be the same, the spiral piece may be set in the spiral joint seam of the circular spiral tube 37, the joint seam of the spiral tube may be connected by mutual engagement or welding, and the spiral piece may be reliably connected at the side of the joint seam. The spiral sheet 14 may also be snapped or welded during the rolling of the circular spiral tube. The method better solves the technical problem of connecting the spiral sheet in a longer rotary drum.

Or the tubular body can be provided with at least one reinforcing rib. The ribs may be arranged in a helical pattern and the helical ribs 76 may have the same helical lead as the circular helix 37. The spiral sheet 14 may be disposed within the ribs 76 and the spiral sheet 14 may be made of plastic and secured within the tube with the ribs positioned and secured within the tube as a drum. The outer diameter of the reinforcing ring 32 corresponding to the position of the support means on the bracket 2 may be greater than or equal to the outer diameter of the reinforcing bar.

A plurality of plastic parts with spiral sheets and shells are formed by injection molding and can be stacked into a rotary drum; or a plurality of plastic pieces with flights 14 and shells 29 are injection molded into a circular tube stacked into a double-shelled drum.

The spiral plastic part can be made into a single section of rotary drum with each spiral not exceeding one circle, and the purpose is to ensure that the injection mold has simple and convenient structure. The injection molded single-section rotary drum has good product consistency and is suitable for batch production. The injection molding part of the single-section rotating cylinder can arrange a metal central pipe 21 in an inner hole of an injection molding central pipe 53 to string the single-section rotating cylinders together.

And a positioning mechanism can be arranged between the spiral plastic part stacking positions and aims to prevent dislocation, and if the staggered rotary drum spirals in the stacking mode cannot be connected and formed. The positioning mechanism comprises a positioning hole 36 which can be arranged at the splicing position of the plastic spiral sheets, the positioning hole 36 can be connected and fastened by a fastener matched with the sub-positioning column 34, and the self-tapping screw fastening is adopted, or the shell setting groove 30 of the single-section rotary drum and the positioning strip 31 are used for positioning. The plastic injection molding part has lower hardness than a metal part, and the damage-free rate of live fish can be further improved during working.

The lower end of the drum may be provided with an inlet section 105 larger than the drum body to increase fish throughput, the inlet section may include a transition section 107 between the inlet section housing and the drum body housing, or the inlet section may be tapered or the inlet section may be flared. The inlet section may be connected to the body of the bowl by a flange 106, or the transition section 107 may be welded to the body of the bowl. The inlet section can be provided with a central pipe which is matched and connected with the central pipe of the rotary drum body.

The power comprises that a motor 17 drives the rotary drum 1 to rotate through a speed reducing mechanism 18, the speed reducing mechanism 18 and the rotary drum can be in chain transmission or gear transmission, a driven chain wheel or a gear can be arranged on the shell of the rotary drum, and the motor 17 and the speed reducing mechanism are fixed on a bracket. If a low speed electric motor or oil motor is used, the center tube 21 can be directly driven without a speed reduction mechanism. In the region where the power supply is inconvenient, the internal combustion engine can be used for driving the hydraulic pump, the hydraulic pump provides pressure oil to enable the hydraulic motor to drive the rotary drum to rotate, and the motor can be used for replacing the internal combustion engine to drive the hydraulic pump.

The rollers comprise axial rollers 23 positioned axially and rollers 15 positioned radially, and the rollers 15 positioned radially are respectively arranged at the bearing positions of the excircle of the rotary drum; the roller can be provided with a groove 41, and the groove is matched with a flange on the rotary drum to axially and radially position the rotary drum; or the axial line of the shaft of the axially positioned roller and the axis of the rotation of the rotating drum are angularly arranged on the bracket. The outer circumference of the roller 15 is positioned axially in contact with a flange 22 on the drum. Or one set of said rollers is arranged with a taper to contact the tapered flange of the drum to prevent the drum from falling downwardly. The roller can be made of engineering plastics or metal, a rolling bearing or a sliding bearing can be arranged in the roller, and a shaft of the roller can be directly or indirectly fixed on the bracket.

A stacked fish lifting machine mainly comprises a rotary drum 1, a bracket 2 and power; the rotary drum is formed by stacking a plurality of single rotary drums according to the required length, each single rotary drum is composed of a small section of shell and a spiral sheet in the shell, the inner circle of the shell and the spiral sheet are integrated, and the single rotary drum can be provided with a connecting mechanism and a positioning mechanism.

The single section of the rotary drum shell can be arranged in a sandwich layer comprising a plastic inner ring and a sandwich plastic outer ring 33, a stacking mechanism, a positioning column 34 and a positioning hole 36, and a fastener required by stacking comprises a hole 35 passing through a long stud and can also be arranged at the sandwich layer. The single section of the drum and the roller of the interlayer can be formed by injection molding; or the relative rolling friction position between the roller and the rotating drum formed by stacking the single-section rotating drums can be provided with a reinforcing ring 32, the reinforcing ring 32 can be made of metal such as stainless steel, and the reinforcing ring can be omitted if the single-section rotating drums are firm enough.

The rotary drum can be formed by combining at least one short rotary drum and one basic rotary drum, the basic rotary drum is arranged on the bracket, and a supporting piece and a driving piece are further arranged on the basic rotary drum to enable the basic rotary drum to rotate during work; the short rotary drum is connected to one end or two ends of the basic rotary drum according to requirements. The short rotary drum is shorter than the basic rotary drum and can be combined by a plurality of single rotary drums. The short drums may be flanged with a casing that fits the central tube of the base drum.

The rotary drum of the fish elevator can be formed by combining a plurality of single rotary drums and a basic rotary drum, the basic rotary drum comprises a metal circular pipe 13 of which the shell is made of metal, a spiral sheet is arranged in the metal circular pipe 13, the spiral sheet 14 is fixedly connected with the inner wall of the metal circular pipe, and a support member and a driving member are arranged on the support frame to enable the basic rotary drum to rotate during work; the single section of rotary drum can be connected to the lower end or the upper end and the lower end of the basic rotary drum according to requirements. The diameter of the shell of the inlet section 105 of the rotary drum is larger than that of the shell of the basic rotary drum, the lead of the spiral piece can also be larger than that of the spiral piece of the basic rotary drum, a transition section can be arranged between the shell of the fish inlet section and the shell of the rotary drum body, or the fish inlet section is arranged to be conical, or the fish inlet section is arranged to be a bell mouth.

Furthermore, the rotary drum of the fish elevator can be formed by overlapping single sections of rotary drums formed by injection molding, the outer circle of the rotary drum is coated with glue and glass fibers to form an integral glass fiber reinforced plastic composite material rotary drum, and a metal reinforcing ring can be arranged at the joint of the rotary drum and the roller. The metal reinforcing rings can be arranged in a plurality of ways, metal connecting strips 31 can be arranged among the metal rings, the metal connecting strips 31 can be arranged between two convex strips or in grooves 30 of a single-section rotary drum shell formed by injection molding, the metal connecting strips 31 can be welded among the reinforcing rings 32 to form a framework, and the rotary drum is better and firmer in integrity after being coated with the glass fiber reinforced plastics.

Furthermore, the metal connecting strips 31 and the reinforcing ring 32 are welded together to form a framework, a plurality of single-section rotary drums which are formed by injection molding are arranged in the framework to form an integral rotary drum, and the support arranged on the support is contacted with the reinforcing ring 32 and can rotate under the driving of power. A layer of stainless steel thin-wall pipe can be welded with the metal strip 31. The metal connecting strip 31 can be made of carbon steel, and can effectively prevent the carbon steel from rusting and prevent an injection molding part from aging after being coated with glass fiber reinforced plastics or stainless steel, so that the service life is prolonged.

The fish elevator can be arranged on a ship and used for catching the fish cultured in the net cage. The fish lifting machine can be arranged on the ocean breeding platform, and the fishing boat for catching can also be provided with the fish lifting machine, so that more live fish can be harvested. For example, when the purse net is used for purse net fishing operation, after the purse net is contracted, the fish lifter is started to lift the live fish into the ship, so that the damage-free rate of the live fish can be improved. The fish elevator can also lift the live fish in the cabin to a fish carrying vehicle on the shore.

A classifier and a weighing mechanism of a fish elevator comprise a classifying grid 54, a bracket 57, a weight sensor 59 and a weighing basket 60, wherein the classifying grid 54 is obliquely arranged below an outlet 65 or a fish outlet 4 of the fish elevator, fish lifted by the fish elevator falls on one end of the classifying grid 54, the fish elevator with the classifying grid can be used without a fish-water separator, water and unqualified small fish leak back to a culture pond from the classifying grid in the downward sliding process of the fish to achieve the purpose of large and small catching, the fish which cannot leak slides into the weighing basket 60 from a chute 55 to be weighed, a movable door 61 is arranged below the weighing basket 60, and the movable door 61 below the weighed fish is opened to discharge the fish and can also discharge the fish without the movable door. The lower end of the chute 55 can be provided with a baffle 56 for preventing the fish from sliding downwards, the baffle 56 can prevent the fish from sliding downwards in a short time during weighing, and after the weighing is recorded, a movable door below the weighing basket 60 is opened to release the fish. After the fish is discharged, the movable door 61 of the weighing basket is reset and closed, and the baffle 56 of the indexing mechanism 58 rotates the fish to slide into the weighing basket. The fish lifting machine can continuously lift fish, the weighing mechanism can automatically record the weight of each basket, calculate the total weight, and copy or send data to both buyers and sellers. The movable door 61 can be a swing rod mechanism, that is, one side of the movable door 61 can be provided with a swing shaft 62 which is driven by a speed reduction motor to open or close, or the other side of the swing shaft 62 is provided with a reset counterweight block 64, the counterweight block 64 enables the movable door 61 to be in a closing state when the basket is empty, the movable door 61 can be provided with a lock catch or an electromagnet, the electromagnet can be arranged on the same side of the counterweight block, the movable door can be opened by an electromagnet 63 after the weight is recorded, the electromagnet 67 can be additionally arranged to enable the movable door to be in an opening state, the movable door 61 is closed under the action of the counterweight block after the fish is taken out, and the reliability of the opening or closing action of the movable door can be improved by arranging the electromagnet 67; the locking and unhooking movable door can be opened by a motor, a piston and the like, and a baffle 56 for preventing the fish from sliding downwards after the movable door is closed is used for indexing to place the fish into the basket and then weigh the fish into the next basket. The movable door can be arranged at the bottom or on the side surface of the basket and comprises a swinging door, a gate or a sliding door. The weighing basket 60 may be configured as a double-sided sloped bottom, and the swing shaft 62 is disposed between the fixed bottom 82 and the movable door 61. The weight sensor 59 may be disposed under the support plate outside the basket, and the weight sensor 59 may be provided with a protection plate and a waterproof device.

The grading grid 54 can be arranged in multiple layers, or the falling neutral position of the grading grid 54 is arranged to be conical, so that small fish can fall in the narrower neutral position, larger fish can continuously slide forwards to fall in the bigger neutral position of the conical grading grid, and large fish can not fall. The grading grid can be arranged into a spiral roller 85 with gradually changed screw pitch, and the fish lifted by the fish lifter enters the inlet of the spiral roller 85. The pitch of the inlet is smaller than that of the outlet, small fish fall down on the large fish surface in the rotating process of the spiral roller, and larger fish which cannot fall down from the outlet of the large pitch end of the spiral roller. The grading number is determined according to the requirement of grading precision of the falling position of the fish in the spiral roller. The spiral direction of the spiral roller is set to the spiral direction of the roller, so that the fish moves in the spiral groove; or the spiral drum is arranged with the inlet end higher than the outlet end, or the diameter of the inlet end is smaller than that of the outlet end, so that the fish can move more smoothly in the spiral drum.

The utility model provides a weighing device of live fish, mainly includes support 57, weight sensor 59, basket 60 weighs, basket 60 and support 57 weigh between set up weight sensor 59, weigh the basket below have a door, the basket suitable for reading is opened, can set up baffle 56 on the chute 55 and constitute the live fish temporary storage area, the chute suitable for reading can set up the lid 89 that prevents the fish and jump out, lid 89 include transparent plate or net, the temporary storage area gets into putting the fish mouth of weighing the basket and has baffle 56, the baffle temporarily closes when weighing the fish, weigh after the weight record dodge gate 61 and open the fish and emit, after dodge gate 61 closes, temporary storage area baffle 56 opens the fish and slides in basket 60 weighs.

If the multi-breed fish is polycultured, the chute 55 can be lengthened according to the requirement, and the polycultured trash fish can be respectively weighed after being selected and classified in the process of sliding on the chute, and a plurality of sets of weighing devices can be arranged.

The grader and the weighing mechanism can be used for grading and weighing and metering fishes of other fish feeding mechanisms, and comprise the matching operation of grading and weighing and metering by methods of feeding fishes by a fish suction pump, sucking fishes in vacuum, manually feeding fishes, feeding fishes on a conveyor belt, feeding fishes by a crane and the like.

The continuous weighing device can also be used for weighing other bulk materials, including the bulk materials such as grains, coal, ores and the like, and is more accurate than the measurement of a conveying belt.

The vehicle 74 with the live fish lifting function and the ship comprise the fish lifting machine which is set as the special vehicle 74 for lifting live fish or the fish transporting vehicle with the live fish lifting function based on the invention, and the functions of water inlet, water feeding, included angle adjustment and the like of a power mechanism, a transmission mechanism and a rotary drum can be arranged on the vehicle. The classifier and weighing mechanism including the classification grid 54, the bracket 57, the weight sensor 59, the weighing basket 60 and other classification metering mechanisms can also be arranged on the vehicle.

The special vehicle comprises a wagon carriage bottom plate, a guide rail 72 can be arranged on the wagon carriage bottom plate, a sliding plate 75 is arranged on the guide rail 72, the fish lifter can be arranged on the sliding plate 75, and further, a deflection mechanism capable of adjusting an included angle between the fish lifter and a central axis of the automobile can be arranged at the joint of the fish lifter and the sliding plate 75. The special vehicle can be backed to the side of the fishpond during operation, so that the fish lifting machine arranged on the sliding plate slides backwards, the upper end of the support 2 and the rotary drum 1 can be lifted to enable the lower end to enter water, the support 2 and the rotary drum 1 can also be deflected by utilizing the deflection mechanism, a fish outlet enables fish to directly fall into the fish transporting vehicle or fall onto a grading or weighing mechanism, and the grading and weighing mechanism can also be arranged on the vehicle. The grading and weighing mechanism can also be arranged on the lifting platform. The movements of the sliding plate, the corner water inlet, the deflection, the weighing mechanism and the like can be driven by a hydraulic system.

A fish lifting machine with a fish pushing device mainly comprises a push plate 90 and the fish lifting machine. The push plate 90 can be arranged on the rotating shaft 91 and driven by the rotating shaft to rotate, the rotating shaft 91 is arranged on the water surface at the inlet at the lower end of the rotating drum, and the fish is pushed into the inlet of the rotating drum by the rotation of the push plate 90; or the push plate 90 is arranged on a belt-shaped body 99, and the belt-shaped body 99 runs between two wheels 98 to drive the push plate to push the fish into the entrance of the drum, and the belt-shaped body can be replaced by a chain. The structure of the fish pushing device reduces the damage to the fish body by rotating the fish pushing device at a low speed. The fish pushing device can effectively improve the fish lifting amount in unit time. In order to prevent the push plate from being accidentally overloaded, a rotating shaft can be arranged to pass through a torque slipping structure for protection, or a motor with adjustable torque is arranged to drive the push plate after being decelerated, the push plate can also be driven by hydraulic pressure or pneumatic pressure, and the fish entering amount can also be increased by pulling the push plate by manpower under the condition of small fish lifting amount. The push plate can be arranged on the rotating shaft and driven by the rotating shaft to rotate, the rotating shaft is arranged on the water surface at the inlet at the lower end of the rotating drum, and the fish is pushed towards the fish inlet by the rotation of the push plate; or the push plate 90 is arranged on a belt-shaped body 99 which runs between two wheels to drive the push plate to push the fish into the fish inlet of the fish suction pump, and the belt-shaped body can be replaced by a chain.

When the fish elevator works, a corridor-type channel can be arranged at the inlet at the lower end of the fish elevator, one end of the corridor-type channel 93 is provided with a pin shaft hole 97 which is connected with a fish elevator bracket by a pin shaft 109, the other end of the corridor-type channel is communicated with a purse net, and when the purse net contracts, fish can enter the inlet of the fish elevator from the corridor-type channel 93; the corridor type passage can be provided with a protective net for preventing fish from jumping out, the two sides can be blocked by a screen mesh 95 to enable small fish to swim away from the screen mesh, and the minimum specification of fishing can be set by the size of the screen mesh. The corridor type channel can also be provided with a fish pushing device to forcibly push the fish into the entrance of the fish lifting machine. The connecting part of the corridor-type channel and the purse net can be provided with a large-hole net or grid to prevent oversized fish from entering.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A fish elevator mainly comprises a rotary drum, a bracket and power; the fish-water separator is characterized in that the shell of the rotary drum is a tubular body, a spiral sheet is arranged in the tubular body, the spiral sheet is fixedly connected with the inner wall of the tubular body, and when the fish-water separator works, the rotary drum is driven to rotate by power, so that fish entering the inlet at the lower end of the rotary drum and water are lifted to the outlet at the upper end of the rotary drum under the action of the spiral sheet.

2. A fish elevator as claimed in claim 1, including: the outer circle of the rotary drum is locally provided with a reinforcing ring, the position of at least one reinforcing ring on the rotary drum corresponds to a supporting mechanism on the bracket, or the shell of the rotary drum is firm enough and does not need to be provided with the reinforcing ring; the supporting mechanism comprises a bracket on which a roller is arranged, and when the supporting mechanism works, power drives a rotary drum to rotate on the roller, or the roller is replaced by a sliding friction block; the power comprises an electric motor, or the electric motor drives the rotary drum to rotate through a speed reducing mechanism, or the hydraulic pump provides pressure oil and the hydraulic motor drives the rotary drum to rotate.

3. A fish elevator as claimed in claim 1 or claim 2, wherein said drum is made by one of the following methods: the shell of the rotary drum is a metal circular pipe, the inner wall of the metal circular pipe is fixedly connected with a spiral sheet to form the rotary drum, and the rotary drum comprises an integral structure or is formed by connecting a plurality of sections of short rotary drums into a whole; the shell of the rotary drum is a circular tube, a spiral piece with a shell is arranged in the circular tube, and a plurality of spiral piece pieces with the shell are stacked into a required length; the shell of the rotary drum is a circular spiral pipe which is spirally rolled by stainless steel or galvanized iron strip materials, and a spiral sheet is arranged in the rolled circular spiral pipe; or the spiral lead of the circular spiral pipe is the same as the lead of the spiral sheet, and the spiral sheet is arranged in the spiral joint seam of the circular spiral pipe; the spiral sheet of the rotating drum is formed by segmented injection molding and is stacked in the circular tube to form the rotating drum; or a plurality of plastic pieces with the spiral sheets and the shells are formed by injection molding and stacked into a rotary drum, or a plurality of plastic pieces with the spiral sheets and the shells are formed by injection molding and stacked into a round pipe to form a rotary drum with a double-layer shell; each spiral sheet of the spiral sheet piece with the shell is formed in an injection molding mode does not exceed one circle, and a positioning mechanism or a positioning mark is arranged between stacking positions of the spiral sheet pieces with the shells; and fifthly, the diameter of the shell of the fish inlet section at the lower end of the rotary drum is larger than that of the shell of the rotary drum body, a transition section is arranged between the shell of the fish inlet section and the shell of the rotary drum body, or the fish inlet section is arranged to be conical, or the fish inlet section is arranged to be a bell mouth.

4. A fish elevator as claimed in claim 2, including: the rollers comprise axially positioned rollers and radially positioned rollers, and the radially positioned rollers are arranged at the bearing position of the rotary drum; the roller positioned axially is provided with a groove which is matched with a flange basically matched with the rotary drum, and the rotary drum is positioned axially and radially when rotating; or the excircle of the roller is in contact with the flange on the rotating drum and is axially positioned.

5. A fish elevator as claimed in claim 1, wherein the drum has a central tube disposed therein, the central tube being fixedly connected to the spiral, one or both ends of the central tube being provided with bearings for supporting the drum.

6. A stacked fish lifting machine mainly comprises a rotary drum, a bracket and power; the rotary drum is characterized in that the rotary drum is formed by overlapping a plurality of single rotary drums according to the required length, each single rotary drum is composed of a small section of shell and a spiral sheet in the shell, an inner circle of the shell and the spiral sheet are integrated, and the single rotary drum is provided with a connecting mechanism and a positioning mechanism; or the single-section rotary drum shell is arranged into an interlayer, and the stacking mechanism, the positioning mechanism and the fasteners required by stacking are arranged at the interlayer.

7. A stacked fish lifting machine mainly comprises a rotary drum, a bracket and power; the rotary drum is characterized by comprising a single-section rotary drum and a basic rotary drum, wherein the basic rotary drum comprises a metal pipe with a round shell, a spiral sheet is arranged in the metal pipe and fixedly connected with the inner wall of the pipe body, and a support member and a driving member are arranged on a support to enable the basic rotary drum to rotate during work; the single section of the rotary drum is arranged at the lower end or the upper end and the lower end of the basic rotary drum according to requirements, or the diameter of the short rotary drum arranged at the lower end is larger than that of the basic rotary drum.

8. A stacked fish elevator as claimed in claim 3, 6 or 7, wherein the drum is stacked from injection moulded single sections of drum having no more than one revolution of each flight with a housing, the drum housing being provided with metal strips and a glass fibre reinforced plastic drum with integral coatings and glass fibres.

9. The fish lifting machine of claim 8, wherein the drum is formed by stacking injection-molded single-section drums, the outer circumference of the drum is partially provided with a reinforcing ring, the single-section drum is provided with a groove, a metal strip is arranged in the groove, the metal strip and the reinforcing ring are welded to form an integral drum, and a support arranged on the support is in contact with the reinforcing ring to rotate; or a layer of stainless steel thin-wall pipe is arranged outside the metal strip and the injection molding part, or the metal strip and the injection molding part are coated with paint and glass fiber to form an integral rotary drum.

10. A fish elevator as claimed in any one of claims 1 to 9, wherein the fish elevator is mounted on a vehicle to provide a dedicated vehicle for capturing fish.