RU2067828C1 - Apparatus for fish feeding and catching in fish-rearing reservoir - Google Patents

Abstract

FIELD: fishery. SUBSTANCE: reservoir has accumulating vessel and feeding section communicated through by-pass section. Feeding section has feed supplying device. Accumulating vessel and sections are provided with valves defined by set of vertical rods mounted for deflection into vessel and sections. Reservoir is further provided with lifting device. False bottom formed as inclined chute is disposed within accumulating vessel and is kinematically connected with lifting device. Gate is positioned at by-pass section outlet end. Inclined chute is kinematically connected with gate. Automatic unloading of fish is facilitated by lifting device provided with electric drive and time relay. Valves are provided with fish counting unit allowing fish quantity to be controlled. Fish accumulated in vessel is unloaded by lifting false bottom and lowering gate to cut off passage of fish from by-pass section into vessel. Apparatus may be used for catching fish in release and nonrelease reservoirs to obtain commercial fish during the whole rearing period. EFFECT: increased efficiency, improved fish rearing conditions and simplified fish catching and unloading. 3 cl, 2 dwg

Description

 The proposed device relates to fisheries and can be used to reduce the complexity of fishing through its mechanization and automation.

 A device for feeding and fishing is known, including a storage tank and a passage corridor connected with it, characterized in that it is additionally equipped with a fish feeding compartment, and the valves installed in the feeding compartment and in the storage tank are formed by a set of vertical rods (A. C. USSR N 1637727 A 01 K 61/00). The disadvantage of this device is the imperfect design of the storage tank (1). To ensure the unloading of fish, by tipping the tank, it is installed in a frame that duplicates its own frame. This complicates the design and increases its material consumption (2). The absence of a guide chute makes it difficult for fish to enter the transport tank and leads to the need for additional manual operations to ensure complete unloading. This increases the complexity of unloading fish and prevents its automation (3). The valve of the storage tank is not equipped with a shut-off device that blocks it during unloading and prevents the fish from entering the passage compartment and into the reservoir. This reduces fishing performance.

 A device is known that includes interconnected storage capacity and a compartment for feeding fish, means for feeding feed, as well as valves formed by vertical rods, characterized in that the means for feeding feed is a hopper with a pendulum-type dispenser, kinematically connected with an inlet valve , and the storage tank, in order to increase fishing performance, is divided into sections by vertical frames equipped with valves (AS USSR N 1687181 A 01 K 61/02, 79/00. Prototype). The disadvantage of this device is the bulky design of the storage tank. In addition, a special platform is required for unloading fish from it, as well as a large number of manual operations. This increases the material consumption of the design of the device and the complexity of unloading fish from it.

 The purpose of the invention is to reduce the material consumption of the design of the device and the complexity of fishing by mechanization and automation of unloading fish from the storage tank.

 This goal is achieved by the fact that inside the storage tank is installed, with the ability to move vertically, a false bottom, made in the form of an inclined gutter. It is kinematically connected with a lifting device, as well as with a shutter installed at the exit of the passage compartment to prevent fish from leaving during unloading. To ensure the possibility of automatic reusable fishing (if there is a power supply), the lifting device can be equipped with an electric drive and a time relay. In addition, to account for the number of fish passing through the device, the compartment valves can be equipped with mechanical or electronic devices for counting. A general view of the proposed device is shown in Fig. 1; Fig. 2 design of the storage tank (side view, sectional view). It consists of a compartment for feeding fish 1 and communicated with it, through the passage compartment 2, the storage tank 3, the inlet valve 4 installed at the entrance to the compartment 1, and means 5 for feeding the feed to the latter. Compartment 1 for feeding fish is formed by four frames 6, mounted vertically on the base 7, which is the bottom of compartment 1. Frames 6 are covered with a mesh that impedes the passage of fish. At the entrance to the compartment 1, an inlet valve 4 is installed, consisting of a frame 8 and a set of vertically arranged rods 9, mounted with their upper ends on the axis with the possibility of deflection into the compartment 1. The inlet valves 4 can be installed either at the bottom of one of the frames 6, or several frames simultaneously.

 In the compartment 1, for feeding, above the surface of the water, a means for feeding feed 5 is installed, which includes a hopper and a pendulum type dispenser. The inlet valve 4 is kinematically connected with the pendulum of the dispenser.

 The storage tank 3 is also formed by four frames 10 mounted vertically on the base 11. At the inlet of the compartment, a valve 12 is installed, which passes fish into the tank and does not release it back. One of the walls of the storage tank facing the pond is made in the form of a lattice 13. Inside the compartment 10, a false bottom 14 made in the form of an inclined gutter is installed with the possibility of vertical movement. It is kinematically connected, via cables 15 and blocks 16, with a lifting device 17 and with a shutter 18, which is made in the form of a plate mounted for vertical movement in the guides 19. On the outside of one of the walls of the tank 10 adjacent to the lower part of the false bottom 14, the inclined chute 20 is strengthened, and the transport tank 21. The valves of the compartments can be kinematically connected (or by electronic sensors) with devices for counting fish (not shown).

 The device operates as follows. It is installed in a feeding reservoir and begin to operate from the first days after the release of juveniles. Making movements in search of food, small fish freely penetrate the device and, over time, learn to pass into the feeding compartment 1, deflecting the rods 9, while the mechanical impulse imparted by the fish to one of the rods 9 is transmitted to the means for feeding the feed 5, as a result of which delivery of a portion of feed. To get a second portion of food, the fish must go through the passage compartment and storage tank 3, return to the reservoir and again go through the inlet valve 4 into compartment 1.

 Selective fishing begins when fish that have reached marketable weight appear. These fish cannot pass through the grate 13 and accumulate in the tank 3. The accumulation of fish in the tank 3, when a certain amount is reached, it stops. Therefore, to obtain the required number of fish, fishing must be carried out repeatedly, at short intervals.

 To extract the salable fish, the false bottom 14 is lifted using a lifting device 17. At the same time, the salable fish is collected in the gutter of the false bottom 14, rolled along it and the gutter 20 and enters the transport tank 21.

 When raising the false bottom 14, the shutter 18, connected with it through the cable 15 and the block 16, lowers down along the guides 19 and blocks the fish from the passageway. To reduce labor costs and working time for reusable fishing, it can be automated (if there is a power source) by equipping the lifting device with an electric drive and a time relay. Equipping the valves with devices for counting fish passing through them allows you to control feed consumption and the number of fish caught.

 Constant selective capture of fish that have reached marketable weight reduces landing density and food competition. As a result, smaller individuals increase the growth rate, which increases the efficiency of fish feeding and the productivity of the reservoir as a whole.

 The proposed device allows to increase the efficiency of fish farming by reducing the complexity of fishing and increasing the fish productivity of the reservoir. Its use will allow to develop various reservoirs of complex designation, including non-empty, with minimal costs, as well as to increase the period of sale of products. Unlike analogs, it is less material-intensive; it allows to increase the degree of mechanization and automation of fish unloading from the storage tank.

Claims (3)

 1. A device for feeding and fishing in a fish pond, including a storage tank communicated between each other through a passageway and a fish feeding compartment with means for feeding feed, valves formed by sets of vertical rods and installed in the storage tank and compartments with the possibility of deflection inward of the latter and a lifting means, characterized in that it is equipped with a false bottom mounted in the storage tank, made in the form of an inclined gutter having the ability to vertically, and a shutter installed at the exit of the passage compartment, while the lifting means is connected with a false bottom, and the latter is kinematically connected to the shutter to block the fish exit when unloading.  2. The device according to claim 1, characterized in that the lifting means is equipped with an electric drive and a time relay.  3. The device according to claim 1, characterized in that the valves of the compartments are equipped with devices for counting fish.

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