CN113966725B

CN113966725B - Fish lifting machine

Info

Publication number: CN113966725B
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: 2023-09-05
Anticipated expiration: 2041-07-05
Also published as: CN113966725A; CN117204391A

Abstract

The invention relates to a fish lifting machine, which mainly comprises a rotary drum, a bracket and power; the shell of the rotary drum is a round tubular body, the spiral sheets are arranged in the tubular body, and when the rotary drum is in operation, the tubular body and the spiral sheets are driven by power to rotate on the support, 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 sheets.

Description

Fish lifting machine

Technical Field

The invention belongs to aquaculture equipment, in particular to a machine for catching and lifting live fish.

Background

The pool replacement and the fishing are usually mainly performed manually in the aquaculture process, so that the labor intensity is high, the efficiency is low, and the damage rate to the fish is high. CN109526853a and CN209628400U were announced in 2019 as a living fish lifting device based on archimedes screw. A device for lifting live fish by rotating spiral blades is disclosed. The disadvantage is that a gap is needed between the blade and the cylinder which rotate relatively when in operation, and the fish body can locally enter the gap and have damage.

Disclosure of Invention

The invention aims to provide a machine which is characterized in that a rotary drum and a spiral sheet fixed on the inner wall are spiral together during operation, so that live fish entering an inlet at the lower end of the rotary drum can rise to the bank together with water and can directly enter a container, and the container can be arranged on a vehicle; meanwhile, the manufacturing method and the using method of key components of the fish lifting machine are also disclosed.

A fish lift mainly comprises a rotary drum, a bracket and power; the shell of the rotary drum is a tubular body, the spiral sheets are arranged in the tubular body, the spiral sheets are fixedly connected with the inner wall of the tubular body, and when the rotary drum is in operation, the rotary drum is driven by power to rotate, 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 sheets.

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 outer shell of the rotary drum can be firm without the reinforcing ring; the supporting mechanism comprises a support, wherein a roller is arranged on the support, and the power drives the rotary drum to rotate on the roller during working, or the roller is replaced by a sliding friction block; the power comprises a motor, or the 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: the shell of the rotary drum is a metal round pipe, the inner wall of the metal round pipe is fixedly connected with a spiral sheet to form the rotary drum, the rotary drum comprises an integral structure, or the rotary drum is formed by connecting a plurality of sections of short rotary drums into a whole; the shell of the rotary drum is a circular pipe, a spiral piece with a shell is arranged in the circular pipe, and a plurality of spiral pieces with the shell are stacked to form a required length; thirdly, the shell of the rotary drum is a circular spiral pipe made of stainless steel or galvanized iron by spiral coiling of strip-shaped materials, and spiral sheets are arranged in the circular spiral pipe made by coiling; 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; fourthly, the spiral sheets of the rotary drum are formed by sectional injection molding and are stacked in a circular pipe to form the rotary drum; or a plurality of plastic parts with spiral sheets and shells are stacked into a rotary drum by injection molding, or a plurality of plastic parts with spiral sheets and shells are stacked into a rotary drum with double-layer shells by injection molding; each spiral piece of the spiral piece with the shell is formed by injection molding, no more than one circle is formed, and a positioning mechanism or a positioning mark is arranged between the stacking positions of the spiral pieces with the shells; 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 in a conical shape, or the fish inlet section is arranged in a horn shape.

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

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

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

A stacked fish lift mainly comprises a rotary drum, a bracket and power; the rotary drum is formed by combining a single-section rotary drum and a basic rotary drum, the basic rotary drum comprises a metal pipe with a round shell, spiral sheets are arranged in the metal pipe and fixedly connected with the inner wall of a tubular body, and a support and a driving piece are arranged on the support so that the basic rotary drum can rotate during working; the single section of rotary drum is arranged at the lower end, the upper end and the lower end of the basic rotary drum as required, or the diameter of the short rotary drum arranged at the lower end is larger than that of the basic rotary drum.

The rotary drum is formed by stacking single-section rotary drums with each spiral sheet not exceeding a circle and formed by injection molding, the rotary drum shell is provided with a metal strip, and the glass fiber reinforced plastic rotary drum is integrally coated with paint and glass fiber.

The rotary drum is formed by stacking injection-molded single-section rotary drums, the outer circle part of the rotary drum is provided with a reinforcing ring, the single-section rotary drum shell 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 rotary drum, and a supporting piece arranged on a bracket can rotate when contacting with the reinforcing ring; or a layer of stainless steel thin-wall tube is arranged outside the metal strip and the injection molding piece, or a rotary drum is coated outside the metal strip and the injection molding piece and is formed by integrating the coating and the glass fiber.

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

The fish lifting machine provided by the invention has the advantages that the rotating drum and the machine which is fixed on the inner wall spiral sheet and rotates together can enable living fish and water to lift into a container on the shore together, and the container can be arranged on a vehicle. The fish lifting machine has the advantages of energy saving, high power saving efficiency, low labor intensity in working and capability of improving the damage-free rate of live fish. The invention also discloses a relative manufacturing method of the fish lifting machine. The fish lifting machine can manufacture fish lifting machines with different diameters and different lengths according to the size and the lifting height of fish bodies. The fish lift can also be used in a production line in the processing process of aquatic products.

Drawings

FIG. 1 is a schematic view of a fish lift according to the present invention;

FIG. 2 is a schematic diagram of a fish lift according to the present invention; (Mobile state)

FIG. 3 is a schematic view of a fish lift according to the present invention;

FIG. 4 is a schematic diagram of the on-board construction of a fish lift and a graded weighing mechanism of the present invention;

FIG. 5 is a schematic view showing a structure in which the fish lift of the present invention is stopped at a side of a fish pond;

FIG. 6 is a schematic view of a weighing basket of the present invention at the bottom of two sides of the incline; (Movable door closed)

FIG. 7 is a schematic view of a weighing basket of the present invention at the bottom of two sides of the incline; (Movable door is opened)

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

FIG. 9 is a schematic diagram of a fish water separator with a grating according to the present invention;

FIG. 10 is a schematic view of the partial structure of the fish lift rotor of the present invention with the inlet end larger than the diameter of the rotor body;

FIG. 11 is a schematic view of the classifier and weighing mechanism of the present invention; (baffle closing the Movable door opening Normal State)

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

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

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

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

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

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

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

FIG. 21 is a schematic perspective view of a plastic flight with a housing of the present invention;

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

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

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

FIG. 25 is a schematic cross-sectional view of a single section plastic drum stack with interlayers of the present invention;

FIG. 26 is a schematic view of the drum of a circular spiral tube made from a roll of strip metal in accordance with the present invention;

FIG. 27 is a schematic view of the structure of the spiral sheet of the present invention disposed in a reinforcing bar;

FIG. 28 is a schematic illustration of grooved rollers and drums according to the present invention;

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

FIG. 30 is a schematic view of the weight sensor of the present invention mounted below a weigh basket; (Gate closing Normal state)

FIG. 31 is a schematic view of a helical grading gate roller configuration of the present invention;

FIG. 32 is a schematic diagram of a fish lift and graded weighing mechanism combination of the present invention; (the fish-water separator is replaced by a classifying grid)

FIG. 33 is a schematic view of a fish lift and weighing mechanism combination with a screen structure channel structure in accordance with the present invention;

fig. 34 is a schematic view showing the structure of the channel in which the push plate of the present invention is provided on the belt type body.

1-a rotary drum; 2-a bracket; 3-fish water separator; 4-a fish outlet; 5-a water collecting bucket; 6, wheel legs; 7-a foot rest; 8-adjusting the rod; 9-a protective ring; 10-a culture pond; 11-square tubes; 12-ground; 13-a circular tube; 14-spiral sheets; 15-rolling wheels; 16-upper rollers; 17-an electric motor; 18-a speed reducing mechanism; 19-a driven gear; 20-a drive gear; 21-a central tube; 22-flanges; 23-axial rollers; 24-bearing; 25-circlips; 26-a seal; 27-axis; 28-axle seat; 29-a plastic housing; 30-groove; 31-connecting strips; 32-reinforcing rings; 33-an interlayer plastic outer ring; 34-positioning columns; 35-holes through the long studs; 36-positioning holes; 37-circular spiral tube; 38-a strip material; 39-upper roller fixing frame; 40-a backwater pipe joint; 41-groove; 42-flanges; 43-cover; 44-a bushing; 45-pulling a shaft; 46-bearing seats; 47-thrust ball bearing; 48-seals; 49-stand columns; 50-cross arms; 51-deep groove ball bearings; 52-water leakage holes; 53-injection molding the central tube; 54-grading grid; 55-chute; 56-a baffle; 57-brackets; 58-indexing mechanism; 59-a weight sensor; 60-weighing basket; 61-a movable door; 62-swinging shaft; 63-an electromagnet; 64-balancing weight; 65-outlet; 66-slides; 67-electromagnet; 68-a weighing basket installation position; 69-adjusting the rod; 70-active side; 71-a turntable; 72, a guide rail; 73-an oil cylinder; 74-vehicle; 75-sliding plate; 76-reinforcing ribs; 77-fastening bolts; 78-fixed side; 79-pin shaft; 80-notch; 81-platform; 82-a fixed bottom; 83-conical rollers; 84-a piston rod; 85-spiral roller; 86-a roller; 87-fish receiving grooves; 88-a drive belt; 89-a cover; 90-pushing plate; 91-rotating shaft; 92-drive means; 93-corridor-type passageway; 94-gate; 95-screen mesh; 96-slope bottom; 97-pin shaft hole; 98-wheels; 99-belt type body; 100-upper cover; 101-a baffle; 102-water surface; 103-a guide rail; 104-a slide; 105-an inlet section; 106-a flange; 107-transition section; 108-grid; 109-pin shaft.

Description of the embodiments

The invention is further described in the following embodiments with reference to the figures, see fig. 1-34:

a fish lift mainly comprises a rotary drum 1, a bracket 2 and power; the rotary drum shell can be a metal or nonmetal tubular body and comprises a circular tube 13, wherein 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 flight 14 may be provided with a central tube to make the flight stronger. The rotary drum 1 can be driven by power to rotate on the bracket 2 when the fish lift works. The fish can be introduced into the inlet opening at the lower end of the bowl 1 by means of a net or the like, and lifted with the water by the flights 14 to the upper outlet 65 of the bowl 1, said upper outlet 65 being provided with a flange 42. The outlet can be provided with a fish-water separator 3, the fish-water separator 3 comprises a bottom plate with water leakage holes 52 or a grid 108, a water collecting bucket 5 and a water return pipe can be arranged under the bottom plate, a notch 80 which is smaller than the radius of an outlet flange 42 and larger than the radius of a shell of a rotary drum can be arranged at the connecting position of the fish-water separator 3 and the bracket 2, the fish-water separator 3 can be fixed in a gap between the upper end of the bracket 2 and the outlet flange and does not rotate, lifted fish falls in the fish-water separator 3 and falls from a fish outlet 4, and a cover 43 can be arranged on an opening of the fish-water separator. The return pipe can be provided with a valve, and if the return pipe valve is closed, fish and water flow out from the fish outlet 4 together. The helix according to the present invention includes archimedes' helix.

The fish inlet at the lower end of the rotary drum can be further provided with a protective ring 9, personnel for preventing the rotary drum 1 from being touched by workers in water and preventing fish nets from being wound, and the like, and the protective ring 9 can be arranged at the lower end of the support 2 and does not rotate.

A foot frame 7 can be arranged below the bracket, and a wheel leg 6 can be arranged below the foot frame 7. The larger fish lift can be provided with a traction mechanism connected with a motor vehicle, and the fish lift is dragged by the motor vehicle to be more convenient when the fish lift needs to be transferred. The device for adjusting the height or the included angle between the rotary drum and the horizontal plane can be arranged between the bottom bracket frame 7 and the bracket 2, and the adjusting mechanism for adjusting the included angle between the rotary drum 1 and the horizontal plane comprises a pin shaft 79 and an adjusting rod 8 which are hinged between the bracket 2 and the bottom bracket frame 7, wherein 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 as required, for example, the bottom bracket frame 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 can be hinged to the fixed side 78 of the base frame 7 by a pin 79. The movable side 70 is hinged with the fixed side 78, and when the movable side 70 moves, the movable side 70 can be upwards retracted so as to be convenient for the whole machine to be dragged by a vehicle; in operation, the movable side 70 can be adjusted downwards to adjust the height or relieve the stress of the wheel legs so as to make the foot rest 7 more firmly landed. The bracket 2 and the footing frame 7 can be made of steel pipes or matched with other profiles, wherein one steel pipe of the bracket 2 can be used as a backwater pipe. The steel pipe comprises a round pipe, a special pipe or a rectangular pipe. A fastening bolt 77 which is locked into a whole can be arranged between the bottom bracket frame 7 and the bracket 2, so that the movement is more reliable.

The support 2 is provided with means for supporting the drum and enabling the drum 1 to rotate under the action of the power. The rotary drum 1 can be made into a tubular body by stainless steel plates, the local part of the shell can be provided with reinforcing rings 32, at least one or two reinforcing rings with round outside are arranged on the rotary drum, the positions of the reinforcing rings correspond to the supporting mechanisms on the support 2, the reinforcing rings 32 can rotate on the supporting mechanisms when in operation, the reinforcing rings are arranged to reduce the manufacturing cost of the outer wall of the rotary drum, and if the outer wall of the rotary drum is firm and round, the reinforcing rings can not be arranged. The supporting mechanism comprises at least one group of rollers arranged on the bracket, and each group of rollers can be two; or each group is provided with three rollers, wherein the lower two rollers 15 bear load, and the upper roller 16 can adjust tightness. When in operation, 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 position where the lower end of the rotary drum enters water, and the friction block can be made of water lubricating materials.

A central tube 21 can be arranged in the rotary drum, the central tube 21 is fixedly connected with the spiral sheets, and one end of the central tube 21 can be provided with a bearing for supporting the axial force of the rotary drum. The bearing for supporting the axial force of the rotary 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 be arranged at the upper end of the central tube 21. The fish lifting machine with the shorter rotary drum can be provided with bearings at two ends of the central tube, wherein the bearings comprise rolling bearings or sliding bearings, and a roller structure or a sliding friction block structure can be omitted. The center tube of the smaller fish lift can be replaced with a solid shaft.

The fish lift 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 spiral sheets 14 to form the rotary drum 1, the rotary drum 1 comprises a whole structure, or the rotary drum 1 is connected into a whole by a plurality of sections of short rotary drums, the connection 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 round tube 13, and the material of the metal round tube 13 comprises stainless steel. The spiral piece with the shell is arranged in the circular pipe, and a plurality of spiral pieces with the shell are stacked to be of a required length. Further, a plurality of injection-molded spiral plastic parts 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 a plastic shell or not provided with the plastic shell. The structure of the plastic shell on the outer circle of the spiral plastic part is matched with the metal circular pipe, so that the rotary drum shell is of a steel-plastic combined double-layer structure, and the end part of the stainless steel circular pipe can be provided with a baffle plate fixing plastic part.

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

Or the tubular body can be provided with at least one reinforcing rib. The ribs may be provided in a spiral shape, and the spiral-shaped rib 76 may be the same as the spiral lead of the circular spiral pipe 37. The spiral sheet 14 can be arranged in the reinforcing rib 76, the spiral sheet 14 can be made of plastic and fixed in the tubular body, and the spiral sheet 14 is positioned and fixed in the tubular body by the spiral reinforcing rib to form a rotary drum. The outer diameter of the reinforcing ring 32 corresponding to the position of the supporting mechanism on the bracket 2 may be greater than or equal to the outer diameter of the reinforcing rib.

Injection molding a plastic part with a spiral sheet and a shell, wherein a plurality of plastic parts can be stacked to form a rotary drum; or a drum in which a plurality of plastic pieces with the spiral pieces 14 and the housing 29 are injection-molded and stacked in a circular tube to form a double-layered casing.

The spiral plastic part can be made into a single-section rotary drum with each spiral not exceeding one circle, and the purpose is to make the injection mold simple and convenient in structure. The single section rotary drum product of moulding plastics uniformity is good and is fit for batch production. The injection molding piece of the single-section rotary drum can be provided with a metal central tube 21 in the inner hole of the injection molding central tube 53 to string the single-section rotary drum together.

A positioning mechanism can be arranged between the stacking positions of the spiral plastic parts, and the purpose of the positioning mechanism is to prevent dislocation, and if the stacking misplacement rotating drum spirals, connection forming cannot be realized. The positioning mechanism comprises a positioning hole 36 which can be arranged at the joint of the plastic spiral sheets, the positioning hole 36 can be matched with the positioning column 34 and is connected and fastened by a fastener, and the positioning mechanism comprises the step of fastening by a self-tapping screw, or the positioning of the positioning strip 31 and the positioning groove 30 of the shell of the single-section rotary drum. The plastic injection molding piece has lower hardness than the metal piece, and the damage-free rate of the live fish can be further improved during working.

The lower end of the drum may be configured to be larger than the inlet section 105 of the drum body to enhance fish feeding, the inlet section may include a transition section 107 between the inlet section housing and the housing of the drum body, or the inlet section may be configured to taper or the inlet section may be configured to flare. The inlet section and the drum body can be connected by a flange 106, or the transition section 107 and the drum body are welded into a whole. The inlet section can be provided with a central tube which is matched and connected with the central tube of the rotary drum body.

The power comprises a motor 17, the 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 driven by a chain or a gear, 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 motor or an oil motor is used, the central tube 21 can be directly driven without a speed reducing mechanism. The region with inconvenient power supply can use the internal combustion engine to drive the hydraulic pump, the hydraulic pump provides pressure oil to drive the hydraulic motor to rotate the rotary drum, and the motor can also be used for replacing the internal combustion engine to drive the hydraulic pump.

The rollers comprise an axial roller 23 positioned in the axial direction and a roller 15 positioned in the radial direction, and the rollers 15 positioned in the radial direction are respectively arranged at the bearing positions of the outer circle of the rotary drum; the roller can be provided with a groove 41 which is matched with a flange on the rotary drum to ensure that the rotary drum is axially and radially positioned; or the axial line of the axially positioned roller and the axial line of the rotation of the rotary drum are arranged on the bracket in an angle way. The outer circumference of the roller 15 is positioned in contact with the flange 22 on the drum. Or one of the rollers may be configured to taper against the tapered flange of the bowl to prevent the bowl from falling. The roller can be made of engineering plastics or metal, a rolling bearing or a sliding bearing can be arranged in the roller, and the shaft of the roller can be directly or indirectly fixed on the bracket.

The stacked fish lift 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, the single rotary drum is composed of a small section of shell and spiral slices in the shell, the inner circle of the shell and the spiral slices are integrated, and a connecting mechanism and a positioning mechanism can be arranged on the single rotary drum.

The single-section drum shell can be arranged to be an interlayer comprising a plastic inner ring and an interlayer plastic outer ring 33, a stacking mechanism, a positioning column 34 and a positioning hole 36, and fasteners required for stacking can be arranged at the interlayer, wherein the fasteners comprise holes 35 passing through long studs. The single-section rotary drum and the roller of the interlayer can be formed by injection molding; or the relative rolling friction position of the rotating drum and the roller wheel 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 also not needed if the single-section rotating drum is firm.

The rotary drum can be formed by combining at least one short rotary drum and a basic rotary drum, and the basic rotary drum is arranged on the bracket and is also provided with a supporting piece and a driving piece so that the basic rotary drum can rotate during working; the short rotating cylinder is connected with one end or two ends of the basic rotating cylinder according to the requirement. The short rotating drum is shorter than the basic rotating drum and can be combined by a plurality of single rotating drums. The short drums may have a flanged connection to a central tube of the central tube base drum.

The rotary drum of the fish lift can be formed by combining a plurality of single-section rotary drums with a basic rotary drum, the basic rotary drum comprises a circular tube 13, the outer shell of the circular tube 13 is made of metal, spiral sheets are arranged in the circular tube 13, the spiral sheets 14 are fixedly connected with the inner wall of a tubular body, and a support and a driving piece are arranged on the support so that the basic rotary drum can rotate during working; the single section rotary drum can be connected to the lower end or the upper end and the lower end of the basic rotary drum according to the requirement. 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 sheet can be larger than that of the spiral sheet 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 in a conical shape, or the fish inlet section is arranged in a horn shape.

Further, the rotary drum of the fish lifting machine can be formed by stacking injection-molded single-section rotary drums, the outer circle of the rotary drum is coated with glue and glass fiber to form an integrated glass fiber reinforced plastic composite 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, metal connecting strips 31 can be arranged between the metal rings, the metal connecting strips 31 can be arranged between two convex strips or in a groove 30 of the single-section rotary drum shell formed by injection molding, the metal connecting strips 31 can be welded between the reinforcing rings 32 to form a framework, and the integrity of the rotary drum is better and firmer after the glass fiber reinforced plastic is wrapped.

Further, the metal connecting strip 31 and the reinforcing ring 32 are welded together to form a framework, a plurality of single-section drums formed by injection molding are arranged in the framework to form an integral drum, and the supporting piece arranged on the bracket can rotate under the power driving by contacting with the reinforcing ring 32. A layer of stainless steel thin-wall tube can be arranged outside the metal connecting strip 31 and the injection molding piece, and 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 the injection molding from aging after being coated with glass fiber reinforced plastic or stainless steel, so that the service life of the injection molding is prolonged.

The fish lift can be arranged on a ship and used for collecting fish in a net cage. The fish lifting machine can be arranged on the ocean cultivation platform, and the fish lifting machine can be arranged on the fishing boat for fishing, so that more live fish can be harvested. For example, when the fishing device is used for purse seine fishing, after the purse seine is contracted, the fish lift 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 lift can also lift live fish in the cabin to a fish transporting vehicle on the shore.

The fish lifting machine classifier and weighing mechanism comprises 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 lifting machine, the lifted fish of the fish lifting machine falls on the higher end of the classifying grid 54, the fish lifting machine with the classifying grid can be free of a fish water separator, water and unqualified small fish leak from the classifying grid back into a culture pond in the process of downward sliding of the fish to achieve the purpose of catching and keeping small fish, the leaked small fish slides into the weighing basket 60 from a chute 55 for weighing, a movable door 61 is arranged below the weighing basket 60, and the movable door 61 below the weighing is opened to release the fish, or the movable door is not arranged to pour the fish. The lower end of the chute 55 can be provided with a baffle plate 56 for preventing the fish from sliding downwards, the baffle plate 56 prevents the fish from sliding downwards for a short time when weighing, and after weighing is recorded, a movable door below the weighing basket 60 is opened to discharge the fish. The movable door 61 of the weighing basket is reset and closed after the fish is discharged, 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 can copy or send data to 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 reducing motor to open or close the movable door, or the other side of the swing shaft 62 is provided with a reset balancing weight 64, the balancing weight 64 enables the movable door 61 to be in a closed 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 balancing weight, the electromagnet 63 can be used for switching off the movable door after weight recording, the electromagnet 67 can be additionally arranged for keeping the movable door in an open state, the electromagnet 67 is switched off under the action of the balancing weight when fish is out, and the electromagnet 67 can be arranged for improving the reliability of the opening or closing action of the movable door; the movable door for locking and unhooking can be opened by a motor, a piston and the like, and the baffle 56 for preventing the fish from sliding down can be rotated to place the fish into the basket and weigh the fish into the next basket after the movable door is closed. 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 provided as two side slope bottoms, and the swing shaft 62 is provided 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 grating 54 can be arranged in multiple layers, or the neutral gear of the grading grating 54 is arranged in a conical shape, so that small fish can fall in a narrower neutral gear, and larger fish can continue to slide forward in the larger neutral gear of the conical grading grating, so that large fish cannot fall. The grading grating can be provided as a spiral roller 85 with gradually changed pitch, and fish lifted by the fish lift enters the inlet of the spiral roller 85. The pitch of the inlet is smaller than that of the outlet, and small fish firstly falls down on the large fish surface and then falls down in the rotating process of the spiral roller, and larger fish which does not fall down falls down from the outlet of the large pitch end of the spiral roller. The classification number is determined according to the requirements of the classification precision of the position where the fish falls in the spiral roller. The spiral direction of the spiral roller sets the rotation direction of the roller so that the fish moves in the spiral groove; the spiral roller 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 in the spiral roller more smoothly.

The utility model provides a weighing device of live fish, mainly includes support 57, weight sensor 59, weighing basket 60 and support 57 between set up weight sensor 59, there is the door below the weighing basket, the weighing basket upper shed is opened, can set up baffle 56 on the chute 55 and constitute live fish temporary storage, the chute upper shed can set up the lid 89 that prevents the fish jump out, lid 89 include transparent plate or net, the temporary storage gets into the fish mouth of weighing basket and has baffle 56, the baffle is temporarily closed when weighing the fish, weighing movable door 61 opens the fish and emits after the weight record, movable door 61 closes the back temporary storage baffle 56 and opens the fish and slide into weighing basket 60.

If the fish is mixedly bred, the chute 55 can be lengthened according to the requirement, and the mixed fish can be weighed after being selected and classified in the sliding process on the chute, and a plurality of weighing devices can be arranged.

The classifier and the weighing mechanism can be used for classifying, weighing and weighing the fishes of other fish feeding mechanisms, and the classification, weighing and weighing matched operation of the methods of fish feeding by a fish suction pump, fish suction under vacuum, artificial fish feeding, fish feeding on a conveyer belt, fish feeding by a crane and the like.

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

The vehicle 74 with the live fish lifting function and the ship comprise a special live fish lifting vehicle 74 or a fish transporting vehicle with the live fish lifting function, wherein the functions of water inlet, 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 may also be provided on the vehicle.

The special vehicle comprises a carriage bottom plate of a truck, a guide rail 72 is arranged on the carriage bottom plate, a sliding plate 75 is arranged on the guide rail 72, a fish lift can be arranged on the sliding plate 75, and further, a deflection mechanism capable of adjusting the included angle between the fish lift and the central axis of the automobile can be arranged at the joint of the fish lift and the sliding plate 75. The special vehicle can be backed up to the side of the fish pond during operation, so that the fish lifting machine arranged on the sliding plate can slide out backwards, the upper end of the bracket 2 and the rotary drum 1 can be lifted up to enable the lower end to enter water, and the bracket 2 and the rotary drum 1 can be deflected together by the deflection mechanism, so that the fish outlet can directly fall the fish into the fish transporting vehicle or fall the fish onto the classifying or weighing mechanism, and the classifying and weighing mechanism can also be arranged on the vehicle. The grading and weighing mechanism can also be arranged on the lifting platform. The sliding plate movement, the corner water inlet, the deflection, the weighing mechanism direction and other actions 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 of the lower end of the rotary drum, and the fish is pushed inwards by the rotation of the push plate 90; or the push plate 90 is arranged on a belt-shaped body 99, the belt-shaped body 99 runs between two wheels 98 to drive the push plate to push the fish into the inlet of the rotary drum, and the belt-shaped body can be replaced by a chain. The fish pushing device structure reduces the damage to the fish body in the process of single-low-speed rotation fish pushing. 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, the rotating shaft is protected by a torque slipping structure, or a motor with adjustable torque is arranged to drive the push plate after being decelerated, hydraulic or pneumatic can be used for driving the push plate, and the fish feeding amount can be increased by manually pulling the push plate under the condition of small fish lifting amount. The pushing plate can be arranged on the rotating shaft and driven to rotate by the rotating shaft, the rotating shaft is arranged on the water surface at the inlet of the lower end of the rotary drum, and the pushing plate rotates to push the fish to the fish inlet; or the push plate 90 is arranged on a belt-shaped body 99, the belt-shaped body runs between two wheels to drive the push plate to push the fish into a fish inlet of the fish suction pump, and the belt-shaped body can be replaced by a chain.

The entrance at the lower end of the fish lift is provided with a corridor type channel, one end of the corridor type channel 93 is provided with a pin shaft hole 97 which is connected with a fish lift bracket by a pin shaft 109, the other end of the corridor type channel is communicated with a purse net, and fish enters the entrance of the fish lift from the corridor type channel 93 when the purse net contracts; the corridor type channel can be provided with a protective net for preventing fish from jumping out, the two sides of the corridor type channel can be blocked by using the screen mesh 95 to enable small fish to swim away from the screen mesh holes, and the minimum specification for fishing can be set by using the size of the screen mesh holes. A fish pushing device can be arranged on the corridor type passage to forcedly push fish into the entrance of the fish lift. The junction of the corridor channel and the purse net can be provided with a net or a grid with large holes, so that oversized fish can be prevented from entering.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. A fish lift mainly comprises a rotary drum, a bracket and power; the fish feeding device is characterized in that the shell of the rotary drum is a tubular body, spiral sheets are arranged in the tubular body, the spiral sheets are fixedly connected with the inner wall of the tubular body, and when the fish feeding device works, the rotary drum is driven by power to rotate, so that fish entering the inlet at the lower end of the rotary drum is lifted to an outlet at the upper end of the rotary drum together with water under the action of the spiral sheets; the spiral sheet is formed by stacking a plurality of injection-molded spiral plastic parts with plastic central tubes, the outer circle of each spiral plastic part is provided with a plastic shell, the spiral plastic parts with the plastic shells are stacked in a round tube to form a rotary drum with a double-layer shell, a metal central tube is arranged in the plastic central tube, and a bearing for simultaneously bearing axial force and radial force is arranged at the upper end of the metal central tube, and the bearing comprises a tapered roller bearing or a combined structure of a deep groove ball bearing and a thrust ball bearing; the bearing seat for bearing the axial force and the radial force is arranged on the cross arm, and the cross arm is connected to the bracket; the fish inlet at the lower end of the rotary drum is provided with a protective ring, the protective ring is arranged at the lower end of the support and does not rotate, personnel for water drainage work are prevented from touching the rotary drum, fish net winding is prevented, and the like.

2. A fish lifting machine as claimed in claim 1, wherein the outer circumference of the drum is provided with reinforcing rings locally, at least one reinforcing ring being positioned on the drum in correspondence with the support means on the support, or the drum housing being adapted to be secured without reinforcing rings; the supporting mechanism comprises a support, wherein a roller is arranged on the support, and the power drives the rotary drum to rotate on the roller during working, or the roller is replaced by a sliding friction block; the power comprises a motor, or the 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 lifting machine as claimed in claim 1 or claim 2, wherein the outer casing of the drum is a circular helical tube of coiled strip material of stainless steel or galvanized iron.

4. A fish lift according to claim 2, wherein the rollers include axially positioned rollers and radially positioned rollers, the radially positioned rollers being disposed in a load bearing position of the drum; the axially positioned roller is provided with a groove which is matched with a basically matched flange on the rotary drum, and the rotary drum is axially and radially positioned during rotation; or the excircle of the roller is in contact with a flange on the rotary drum for axial positioning.

5. A special fish lifting and catching vehicle with a fish lifting machine according to any one of claims 1-4, characterized in that the fish lifting machine is arranged on a vehicle as a special fish lifting and catching vehicle.