Device for rapidly marking schizothorax fish specimen in field investigation process

Abstract

The invention relates to a device for rapidly marking a schizothorax fish specimen in a field investigation process, which comprises a vertical rod, wherein two insertion hole, which are distributed up and down, are formed in the side surface of the vertical rod; insertion rods are respectively arranged in the insertion holes; the inner periphery of the insertion rods are respectively in sliding contact with the outer periphery of corresponding insertion holes; the left ends of the insertion rods are fixedly connected with a same holding rod; the outer periphery of the insertion rods are respectively sleeved with springs; the springs are positioned between the holding rod and the vertical rod; the right ends of the insertion rods are fixedly connected through a connecting rod; and the middle part on the right side of the connecting rod is fixedly connected with the left side of a transverse plate; a vertical pipe is arranged below the transverse plate; the top side of the vertical pipeis fixedly connected with the bottom side of a coaxial annular blade; the blade of the annular blade faces upwards; a through hole is formed in the top side of the transverse plate; and the inner periphery of the through hole is in sliding contact with the outer periphery of the annular blade. According to the device, the structure is simple, the conception is ingenious, a cloth label can perforate and be directly tied on the fin, nylon rope tie or needle thread are not needed, the problem of difficult degradation is avoided, and the operation is convenient, so that the actual requirement canbe met, and the device is suitable for popularization.

Description

technical field [0001] The invention belongs to the field of auxiliary tools in the field of fishery resource investigation, in particular to a device for rapidly marking Schizothorax specimens in the field investigation process. Background technique [0002] Field fish resources investigation, involving fish species composition and resources, and research on the basic biology of dominant species; wild Schizothorax needs to be marked with year information labels on the fish body, the existing plastic Although the label is waterproof, it is easy to fall off, or it cannot be degraded quickly after the fish dies, which will affect the wild environment. There are restrictions on the growth of fish. Currently, the cloth label is fastened to the fish body through nylon rope ties or needles and threads. Nylon rope ties are also difficult to degrade and pollute the wild environment, while needles and threads are used to sew cloth labels on the fish body. However, the operation is c...

AI Technical Summary

Problems solved by technology

[0002] Field fish resources investigation, involving fish species composition and resources, and research on the basic biology of dominant species; wild Schizothorax needs to be marked with year information labels on the fish body, the existing plastic Although the label is waterproof, it is easy to fall off, or it cannot be degraded quickly after the fish dies, which will affect the wild environment. There are restrictions on the growth of fish. Currently, the cloth label is fastened to the fish body through nylon rope ties or needles and threads. Nylon rope ties are also difficult to degrade and pollute the wild environment, while needles and threads are used to sew cloth labels on the fish body. However, the operation is cumbersome and cannot satisfy the marking of a large number of fish. Therefore, we invented a device for quickly marking Schizothorax specimens during field investigations.

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