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A fry collection device capable of controlling sampling depth

A collection device and control sampling technology, which is applied in fishing, application, fishing nets, etc., can solve the problems of difficult control of the depth of conical nets and large sampling errors, and achieve the effects of improving sampling standardization, easy operation, and reducing sampling difficulty

Active Publication Date: 2019-10-22
江苏天时利和水产养殖高新技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main technical problem to be solved by the present invention is to provide a fish fry collection device that can control the sampling depth, which has a reasonable design and a simple structure, and solves the problem that the depth of the conical net is difficult to control and the sampling error is large in the prior art

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  • A fry collection device capable of controlling sampling depth
  • A fry collection device capable of controlling sampling depth
  • A fry collection device capable of controlling sampling depth

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Embodiment Construction

[0018] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0019] Please refer to the attached Figures 1 to 5 , The embodiment of the present invention includes: a telescopic rod, a rotating rod 3, a rotating device, a rotating hand 9, a joint connector 8, a fixing device and a conical net 7. The telescopic rods include a first telescopic rod 1 and a second telescopic rod 2 . The rotating device includes a first rotating device 4 and a second rotating device 5 . The second telescoping rod 2 is provided with a rotating hand 9, and there are three rotating hands 9, which are connected with each telescopic rod and the inner stranded wire of the rotating rod 3 . The scale display corresponding to the wate...

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Abstract

The invention discloses a fish fry collecting device capable of controlling the sampling depth. The fish fry collecting device includes telescopic rods, a rotation rod, rotation devices, rotation handles, joint connectors, a fixing device and a cone-shaped net; the telescopic rods include first telescopic rods and a second telescopic rod; the rotation device includes first rotation devices and a second rotation device; the rotation handles are arranged on the second telescopic rod; the second telescopic rod is fixed on a boat body through the fixing device; the second telescopic rod is connected to the rotation rod through the second rotation device, and the rotation rod can rotate or rotate around the second telescopic rod through the second rotation device; the upper ends of the first telescopic rods are fixed on the rotation rod through the first rotation devices; and the lower ends of the first telescopic rods are connected to the cone-shaped net through the joint connectors. The fish fry collecting device is simple in structure, is easy to operate, can improve the sampling accuracy, can lower the sampling difficulty, can save time and effort, and can reduce errors.

Description

technical field [0001] The invention relates to the field of aquaculture equipment, in particular to a fry collection device capable of controlling the sampling depth. Background technique [0002] The amount of fish resources in the early life history stage reflects the fish reproduction scale and the change trend of the population size, and is the main reason for the change of fish population quantity and age structure. It is one of the important means of fish ecology and conservation biology research to carry out resource monitoring and biodiversity assessment. Fish eggs and larvae are the basis for the supplement and sustainable utilization of fish resources. Fish spawning habits and ecological investigations are of great significance to grasp the changes in the quantity of fishery resources. At the same time, many economical small-sized fish, such as whitebait, have high economic and ecological value for investigation and research on their living habits and resource as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K73/02
Inventor 单峻峰蒋书伦任百洲
Owner 江苏天时利和水产养殖高新技术有限公司
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