CN114009408A

CN114009408A - Continuous sampling device of shallow sea plankton

Info

Publication number: CN114009408A
Application number: CN202111077565.6A
Authority: CN
Inventors: 张甲波; 郭连军; 王刚; 刘会欣
Original assignee: Eighth Geological Brigade Of Bureau Of Geology And Mineral Resources Of Hebei Province Marine Geological Resources Investigation Center Of Hebei Province
Current assignee: Eighth Geological Brigade Of Bureau Of Geology And Mineral Resources Of Hebei Province Marine Geological Resources Investigation Center Of Hebei Province
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-08

Abstract

The invention discloses a continuous sampling device for shallow sea plankton, which comprises a buoy, a trawl, a box body, a floating body, a water pump, a balancing weight and a traction rope, wherein the buoy, the balancing weight and the floating body are connected with the box body through the traction rope, through holes are fully distributed on the side wall of the box body, a fourth traction rope is also arranged on the box body, a rotating wheel is welded at the end part of an output shaft of a motor, the fourth traction rope is wound on the rotating wheel by bypassing a pulley, the collection and the release of the fourth traction rope can be realized through the rotation of the motor, the water pump, a flowmeter and the trawl are arranged in the box body, a water inlet pipe is arranged at the left end of the water pump, a water inlet is arranged at the end part of the water inlet pipe, a bathymeter is fixed on the box body at the same height with the water inlet, a water outlet pipe is arranged at the right end part of the water outlet pipe, the flowmeter is arranged on the water outlet pipe, and the end part of the water outlet pipe is connected with the opening of the trawl, and a valve is arranged at the bottom of the trawl. The device has simple structure and convenient operation, and is suitable for shallow sea water areas.

Description

Continuous sampling device of shallow sea plankton

Technical Field

The invention relates to the technical field of marine ecological environment monitoring devices, in particular to a continuous shallow sea plankton sampling device.

Background

The plankton comprises phytoplankton and zooplankton, which are the most common biological groups in water bodies such as oceans, rivers, lakes and the like, are important components of aquatic ecosystem, and are one of the basic links of food chains in water. In the current water environment monitoring, plankton monitoring is gradually paid attention to and plays a significant role in water ecological environment quality evaluation. At present, the plankton adopts a conventional sampling net, and because the net port of the sampling net is always in an open state, the condition that planktons in multiple depth water layers are mixed when the planktons in different depth water layers are collected is caused, so that the accuracy of plankton monitoring is influenced; in addition, the existing device for underwater operation is difficult for operators on shore to distinguish the direction of the sampler, which brings difficulty to practical use.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a continuous sampling device for shallow sea plankton.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a continuous sampling device of shallow sea plankton, includes cursory, trawl, box, body, water pump, balancing weight and haulage rope, the haulage rope includes first haulage rope, second haulage rope, third haulage rope and fourth haulage rope, the cursory top through first haulage rope and box links together, the body links together through the top of second haulage rope with the box, the balancing weight links together through the bottom of third haulage rope with the box, the box is the rectangular bodily form, be covered with the through-hole on the lateral wall of box, still be equipped with the fourth haulage rope on the box, the output shaft tip welding of motor has the runner, the pulley winding is walked around to the fourth haulage rope on the runner, can realize the receipts and put of fourth haulage rope through the rotation of motor, motor and pulley all are fixed on operation personnel's ship of waiting to get, be equipped with water pump, the box, The water pump is characterized by comprising a flowmeter and a trawl, wherein the trawl is a rigid trawl, a water inlet pipe is arranged at the left end of the water pump, a water inlet is formed in the end of the water inlet pipe, a water depth measurer is fixed on a box body at the same height as the water inlet, a water outlet pipe is arranged at the right end of the water inlet pipe, the flowmeter is arranged on the water outlet pipe, the end of the water outlet pipe is connected with the opening of the trawl, and a valve is arranged at the bottom of the trawl.

The continuous sampling device for the shallow sea plankton is characterized in that the box body is made of plastic materials.

According to the continuous sampling device for the shallow sea plankton, the balancing weight is a lead weight, and a layer of plastic film is tightly wrapped on the outer surface of the lead weight to prevent water body pollution.

Foretell shallow sea plankton continuous sampling device, the water inlet is tubaeform.

The continuous sampling device for the plankton in the shallow sea is characterized in that the buoy is in a shape of a kayak.

Foretell shallow sea plankton continuous sampling device, the body is the balloon shape, the body top is equipped with the inflation inlet, and the body can rise when aerifing, and the body is perhaps dwindled when gassing, the inside packing of body has hydrogen, through the weight of adjusting the size of body and balancing weight, can adjust the degree of depth of box in the sea water, conveniently catches the plankton in each sea water layer.

Compared with the prior art, the invention has the following advantages and prominent effects:

the continuous sampling device for the plankton in the shallow sea has the advantages that the continuous sampling device for the plankton in the shallow sea is provided with the floating body, the balancing weight, the water pump and the trawl, the depth of the box body in the sea water can be adjusted by adjusting the size of the floating body and the weight of the balancing weight, and the plankton in each sea water layer can be conveniently captured; the water depth measurer is arranged, so that the sampling depth can be visually reflected, and the sampling accuracy is improved; the buoy is arranged, so that the operator can conveniently master the specific direction of the underwater sampling device; the device has simple structure and convenient operation, and is suitable for shallow sea water areas.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the present invention.

In the figure, 1, a motor, 2, a rotating wheel, 3, a pulley, 4, a fourth traction rope, 5, a trawl, 6, a valve, 7, a box body, 8, a balancing weight, 9, a water outlet pipe, 10, a flowmeter, 11, a water inlet, 12, a water depth measurer, 13, a second traction rope, 14, a floating body, 15, a first traction rope, 16, a buoy, 17, a water inlet pipe and 18, a third traction rope are arranged.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[ example 1 ]

A continuous sampling device for shallow sea plankton comprises a buoy 16, a trawl 5, a box body 7, a floating body 14, a water pump, a balancing weight 8 and a hauling rope, wherein the hauling rope comprises a first hauling rope 15, a second hauling rope 13, a third hauling rope 18 and a fourth hauling rope 4, the buoy 16 is connected with the top end of the box body 7 through the first hauling rope 15, the floating body 14 is connected with the top end of the box body 7 through the second hauling rope 13, the balancing weight 8 is connected with the bottom end of the box body 7 through the third hauling rope 18, the box body 7 is in a cuboid shape, through holes are fully distributed on the side wall of the box body 7, the fourth hauling rope 4 is further arranged on the box body 7, a runner 2 is welded at the end part of an output shaft of a motor 1, the fourth hauling rope 4 is wound on the runner 2 around a pulley 3, and the fourth hauling rope 4 can be collected and discharged through the rotation of the motor 1, the water-depth measuring device is characterized in that a water pump, a flowmeter 10 and a trawl 5 are arranged in the box body 7, a water inlet pipe 17 is arranged at the left end of the water pump, a water inlet 11 is arranged at the end part of the water inlet pipe 17, a water depth measurer 12 is fixed on the box body 7 at the same height as the water inlet 11, a water outlet pipe 9 is arranged at the right end of the water inlet pipe, the flowmeter 10 is arranged on the water outlet pipe 9, the end part of the water outlet pipe 9 is connected with an opening of the trawl 5, and a valve 6 is arranged at the bottom of the trawl 5.

Further, the box body 7 is made of plastic materials.

Further, the counterweight block 8 is a lead weight.

Further, the water inlet 11 is in a horn shape.

Further, the buoy 16 is in the shape of a kayak.

Further, the floating body 14 is in a balloon shape, the top of the floating body is provided with an inflation inlet, and hydrogen is filled in the floating body 14.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a continuous sampling device of shallow sea plankton, includes cursory (16), trawl (5), box (7), body (14), water pump, balancing weight (8) and haulage rope, its characterized in that: the traction ropes comprise a first traction rope (15), a second traction rope (13), a third traction rope (18) and a fourth traction rope (4), the buoy (16) is connected with the top end of the box body (7) through the first traction rope (15), the floating body (14) is connected with the top end of the box body (7) through the second traction rope (13), the balancing weight (8) is connected with the bottom end of the box body (7) through the third traction rope (18), the box body (7) is in a rectangular shape, through holes are fully distributed in the side wall of the box body (7), the fourth traction rope (4) is further arranged on the box body (7), the rotating wheel (2) is welded at the end part of the output shaft of the motor (1), the fourth traction rope (4) is wound on the rotating wheel (2) around the pulley (3), and the fourth traction rope (4) can be collected and placed through the rotation of the motor (1), be equipped with water pump, flowmeter (10) and trawl (5) in box (7), the left end of water pump is equipped with inlet tube (17), the tip of inlet tube (17) is equipped with water inlet (11), is fixed with bathymetric survey ware (12) on box (7) with water inlet (11) same height, and its right-hand member is equipped with outlet pipe (9), be equipped with flowmeter (10) on outlet pipe (9), the tip of outlet pipe (9) is connected with the opening part of trawl (5), the bottom of trawl (5) is equipped with valve (6).

2. The continuous sampling device of plankton in shallow sea according to claim 1, characterized in that the box (7) is made of plastic material.

3. The continuous sampling device of the shallow sea plankton according to claim 1, characterized in that the weight block (8) is a lead weight.

4. The continuous sampling device of plankton in shallow sea according to claim 1, characterized in that the water inlet (11) is trumpet-shaped.

5. The continuous sampling device of plankton in shallow sea according to claim 1, characterized in that the buoy (16) is in the shape of a kayak.

6. The continuous sampling device for the shallow sea plankton as claimed in claim 1, characterized in that the floating body (14) is in a balloon shape, the top of the floating body is provided with an inflation port, and the inside of the floating body (14) is filled with hydrogen.