CN206442966U - Plankton haul and combined type plankton haul - Google Patents

Abstract

The utility model provides a kind of plankton haul and combined type plankton haul, is related to marine organisms sampling instrument technical field.The plankton haul includes interior net circle, outer net circle, etting, net bottom pipe, net bottom pipe support and load-bearing hoist cable, interior net circle is embedded in outer net circle, the upper end of etting is enclosed in interior net circle by slide fastener, closed zipper can realize the dismounting of etting, change, the lower end connection net bottom pipe of etting, net bottom pipe is provided with net bottom pipe support, multiple first through hole are provided with the circle wall of outer net circle, winch wirerope, outer net circle and net bottom pipe support are sequentially connected by load-bearing hoist cable, valve is additionally provided with net bottom pipe, is easy to sampling.Any two plankton haul can be combined by net circle connector, solve plankton haul dismounting in the prior art and take, net circle, net bottom pipe and etting fix inconvenience, and use the low problem of flexibility.

Description

Plankton haul and combined type plankton haul

Technical field

The utility model is related to marine organisms sampling instrument technical field, more particularly to a kind of plankton haul and group Box-like plankton haul.

Background technology

Halomereid (Marine Plankton) is suspended in the marine organisms often moved in water layer with current.This Class biology lacks flourishing locomotive organ, has no or only faint travelling ability, most individual very littles must be in microscope It is lower just to see its construction clearly.It is different according to nutritional mode, phytoplankton (Phytoplankton) and zooplankter can be divided into (Zooplankton).Plankton species are more, quantity is big, are the Major Members of marine organisms, and it is studied to Marine Sciences basis Theoretical, marine environment investigation and fish production etc. are significant.

Different according to research purpose, planktonic organism sampling is carried out using the netting gear of different size, past in factual survey research Toward while gathering several different types of samples.There is provided one kind for the planktonic organism vertical trawl nets of patent CN102805055A tri- The vertical trawl net of 3 kinds of specification Plankton Resources can be carried out in same position simultaneously, shorten the marine sampling operation time, carry High sample is comparative.It is by the way of three net circles are connected on a larger Stainless-steel space grids, in real work Also there is the mode two net circles being fixed on one rack, multiple net circles are linked together by a larger rack, net It is connected on frame by carrier cable with winch wirerope, etting is fixed on the outside of net circle by anchor ear or rope, the connection of etting bottom The weight of net bottom pipe, net bottom pipe and counterweight is connected by carrier cable with rack.Although the vertical trawl net is simple in construction, easily grasp Make, but problems with is still suffered from actual job：

1st, larger rack needs to open up multiple tie points progress assembly connections, so process is more during assembling, disappears simultaneously The consumption more time.

2nd, etting is directly set in net circle outside, it is necessary to be locked using clip, but while clip is tightened, clip The position of contraction is easily caused the extruding of etting large area.

3rd, support frame is not provided with net bottom pipe, net bottom pipe is toppled over when being easily caused sampling.

Utility model content

The purpose of this utility model is to provide a kind of plankton haul and combined type plankton haul, to solve Plankton haul dismounting is time-consuming in the prior art, and net circle, net bottom pipe and etting fix inconvenience, and are asked using flexibility is low Topic.

To achieve these goals, the utility model uses following technical scheme：

A kind of plankton haul that the utility model is provided, including interior net circle, outer net circle, etting, net bottom pipe, net bottom pipe Frame and load-bearing hoist cable；The interior net circle is nested in the outer net circle, and the etting is placed in the interior net circle, and the etting Port away from the interior net circle connects the net bottom pipe；The net bottom pipe is arranged on the net bottom pipe support, and the net bottom The bottom of pipe is provided with valve, and the valve is used to sample；Multiple first through hole are provided with the outer net circle, described first leads to Hole can connect the load-bearing hoist cable；The position that the etting connects the interior net circle is provided with slide fastener, passes through the slide fastener energy Enough realize the dismounting of the etting, change；The load-bearing hoist cable includes top hoist cable and bottom hoist cable, and the top hoist cable is used for Connection winch wirerope, the bottom hoist cable connects the net bottom pipe support.

Further, the cross section of the outer net circle is L-shaped, chimeric with the interior net circle；The first through hole is arranged at institute State on the circle wall of outer net circle, the number of the first through hole is four, and wherein three first through hole are uniformly distributed in institute State the port of outer net circle, a remaining first through hole and any one in three first through hole are along the outer net circle The center of circle it is symmetrical.The technical scheme has technical effect that：So that the top of interior net circle from outer net circle is inserted in, and ensure interior Net circle can not deviate from from the bottom of outer net circle；Wherein, three uniform first through hole are used to connect three load-bearing hoist cables and flow Meter, and two uniform first through hole are used to connect two load-bearing hoist cables when netting combination more.

Further, in addition to U-loop；The U-loop is connected to the first through hole, for limiting the interior net circle Position is fixed, and connects the load-bearing hoist cable.The technical scheme has technical effect that：U-loop internally net circle can not only be carried out Spacing fixation, and outer net circle and two sections load-bearing hoist cable can be connected.

Further, the net bottom pipe is that a pair of drainages mouthful are provided with funnel-form, and the side wall of the net bottom pipe.The technology Scheme has technical effect that：Drainage mouthful is used to filter the unnecessary moisture in net bottom pipe when sampling, and funnelform net bottom pipe It is easy to target organism by being sampled.

Further, the net bottom pipe support is cylindric framework, and is provided with the center of bottom a vertical rod；It is described The top of vertical rod connects the net bottom pipe.The technical scheme has technical effect that：Not only net bottom pipe support is propped up net bottom pipe Support, makes net bottom pipe keep vertical direction, facilitates the flushing and collection of sample；And the net bottom pipe support of cylindric framework can be to net bottom Pipe plays protective action, the collision deformation of net bottom pipe and hull etc. when preventing underwater operation；In addition, when seawater velocity is larger also Balancing weight can be installed additional on net bottom pipe support, improve network interface and the phenomenon of over-tilting occurs under water.

Further, multiple draw rings for being used to connect the bottom hoist cable are provided with the top of the net bottom pipe support, and it is multiple Relative position between the draw ring and the relative position phase being arranged between multiple first through hole in the outer net circle Together.The technical scheme has technical effect that：Load-bearing hoist cable is connected using multiple draw rings, the company of net bottom pipe support and outer net circle is realized Connect, and net bottom pipe support is kept vertical direction.

Further, the net bottom pipe support also includes clip；The net bottom pipe can be lock onto the net bottom by the clip On pipe support.The technical scheme has technical effect that：By the contining function between clip butt joint, net bottom pipe is fixed on net In vertical rod in the pipe support of bottom, it is ensured that the steadiness and vertical property of net bottom pipe, and it is easy to the fast quick-detach of net bottom pipe, installation and more Change.

The utility model also provides a kind of combined type plankton haul, including above-mentioned plankton haul, in addition to Net circle connector；The net circle connector can connect two outer net circles of arbitrary neighborhood, so as to connect arbitrary neighborhood Two plankton hauls.

Further, the net circle connector left and right sides is provided with groove, and along the groove short transverse in net The left and right sides of circle connector is provided with the second through hole and is provided with the second through hole.The technical scheme has technical effect that：Pass through Second through hole passes through connector, fixed net circle connector and outer net circle.

Further, the fag end of the load-bearing hoist cable installs capel.The technical scheme has technical effect that：Capel is One kind of crane hook, with grooving, for rope end around ligation, to prevent cable overbending and abrasion, and can Connect the cardioid becket of other components.

The beneficial effects of the utility model are：

A kind of plankton haul that the utility model is provided mainly includes interior net circle, outer net circle, etting, net bottom pipe, net Bottom pipe support and load-bearing hoist cable；Interior net circle is embedded in from the top of outer net circle, and will not be deviate from from the bottom of outer net circle, the upper end of etting In interior net circle, its lower end is connected to net bottom pipe by anchor ear, and the circumferential direction of etting upper end open is provided with ring-type Slide fastener, and slide fastener girth be more than etting upper end open girth, when the zip fastener is closed, interior net circle can be wrapped up with etting Get up；When planktonic organism enters with current from network interface, retained through etting, later fall into net bottom pipe, net bottom pipe is provided with net bottom pipe Frame, to ensure that net bottom pipe is in vertical state；Multiple first through hole are provided with the side wall of outer net circle, are hung for connecting load-bearing Rope.Load-bearing hoist cable is the rope external member of regular length, and top hoist cable is shorter, and one end connects outer net circle, and the other end passes through universal turn Ring connection winch wirerope；Bottom hoist cable connects outer net circle and net bottom pipe support, and its length is slightly shorter than the length of etting, and ensures load-bearing Hoist cable stress and etting does not stress, the length of load-bearing hoist cable can be adjusted, to ensure that it is horizontal that network interface and net bottom pipe are in State.Balancing weight can be installed on net bottom pipe support additional, to ensure in operation in the case that ocean current is larger, etting is in opposed vertical shape State.Valve is provided with net bottom pipe, is easy to sampling.The plankton haul is simple in construction, easy to use, improves and utilizes clip The extruding caused when locking etting is with net circle to etting, so as to cause damage etting, and etting can not be complete with net circle after fixing It is complete to coordinate, and the problems such as dismounting inconvenience；Simultaneously when collecting etting to deck collection sample, net bottom pipe support can support net bottom Pipe so that net bottom pipe is in vertical state, is easy to the flushing and quick collection of sample.

The utility model also provides a kind of combined type plankton haul, including above-mentioned plankton haul, in addition to Net circle connector；Two outer net circles of arbitrary neighborhood are connected by net circle connector, so as to connect the two of arbitrary neighborhood Individual plankton haul so that assembling is more convenient, can more flexible combination, using variety classes, the trawlnet of size, also without Outside rack limitation is needed, while multiple tie points need not be set to connect different net circles, the working time is saved, and improve The structural stability of outer net circle.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described.It should be evident that description below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

The structural representation for the three planktonic organism vertical trawl nets that Fig. 1 provides for prior art；

The structural representation for the plankton haul that Fig. 2 provides for the utility model；

Fig. 3 is Fig. 2 China and foreign countries net circle and the schematic cross-section of interior net circle junction；

The structural representation for the net bottom pipe support that Fig. 4 provides for the utility model；

The structural representation for the combined type plankton haul that Fig. 5 provides for the utility model；

Fig. 6 is the partial enlarged drawing of net circle connector in Fig. 5.

Icon：1 '-rack；2 '-net circle；3 '-etting；4 '-carrier cable；5 '-net bottom pipe；The outer net circles of 10-；20- Intranets Circle；30- ettings；40- net bottom pipes；50- net bottom pipe supports；60- load-bearing hoist cables；70-U shape rings；80- screw rods；90- capels；100- Net circle connector；201- first through hole；401- valves；402- drainages mouthful；501- vertical rods；502- draw rings；503- clips；1001- Tie down screw；1002- grooves.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

A kind of plankton haul is present embodiments provided, wherein：The plankton haul that Fig. 2 provides for the utility model Structural representation；Fig. 3 is Fig. 2 China and foreign countries net circle and the schematic cross-section of interior net circle junction；Fig. 4 provides for the utility model The structural representation of net bottom pipe support.As shown in figs. 2 to 4, net circle 20, outer net circle 10, net in the primary structure of plankton haul Clothing 30, net bottom pipe 40, net bottom pipe support 50 and load-bearing hoist cable 60；Interior net circle 20 is nested in outer net circle 10, and etting 30 is placed on Intranet On circle 20, and port connection net bottom pipe 40 of the etting 30 away from interior net circle 20；Net bottom pipe 40 is arranged on net bottom pipe support 50, and net The bottom of bottom pipe 40 is provided with valve 401, and valve 401 is used to sample；Multiple first through hole 201 are provided with outer net circle 10, the One through hole 201 can connect load-bearing hoist cable 60；The position that etting 30 connects interior net circle 20 is provided with slide fastener, can be real by slide fastener Dismounting, the replacing of existing network clothing 30；Load-bearing hoist cable 60 includes top hoist cable and bottom hoist cable, and top hoist cable is used for connection winch steel Cable, bottom hoist cable connection net bottom pipe support 50.

In the prior art, the structural representation for the three planktonic organism vertical trawl nets that Fig. 1 provides for prior art, such as schemes Shown, the planktonic organism vertical trawl nets of patent CN102805055A tri- can carry out 3 kinds of rule in same position simultaneously there is provided one kind The vertical trawl net of lattice Plankton Resource, shortens the marine sampling operation time, and raising sample is comparative, and it is used three Net circle 2 ' is connected to the mode on a larger Stainless-steel space grids 1 ', also has in real work and is fixed to two net circles 2 ' Mode on one rack 1 '.Multiple net circles 2 ' are linked together by a larger rack 1 ', pass through load-bearing on rack 1 ' Cable wire 4 ' is connected with winch wirerope, and etting 3 ' is fixed to the outside of net circle 2 ', the bottom of etting 3 ' connection net bottom by anchor ear or rope The weight of pipe 5 ', net bottom pipe 5 ' and counterweight is connected by carrier cable 4 ' with rack 1 '.Although the vertical trawl net is simple in construction, hold It is easy to operate, but rack 1 ' larger in actual job needs to open up multiple tie points progress assembly connections, so work during assembling Sequence is more, while the consumption more time；Moreover, etting 3 ' is sleeved on, net circle 2 ' is outside, and now the mouth of etting 3 ' is than net circle 2 ' It is larger, then etting 3 ' is locked in net circle 2 ' using a clip form, it is necessary to tightened with instruments such as spanners, otherwise net Clothing 3 ' is easily split away off, and the position shunk when tightening in clip is easily caused the portion extrusion bigger than normal of etting 3 ' together, makes Etting 3 ' and network interface size are not quite identical；Or etting 3 ' is bundled into net circle 2 ' using rope mode, when there is installation fee, Change inconvenient problem；Further, since multiple net bottom pipes 5 ' are connected after carrier cable 4 ', sample collection to deck respectively, net bottom Pipe 5 ' is easily toppled over due to no support frame, causes sample to flow out net bottom pipe 5 ', or needs extra increase fixing device, protects it Hold vertical, until sample collection is completed.

Plankton haul in the present embodiment mainly includes interior net circle 20, outer net circle 10, etting 30, net bottom pipe 40, net Bottom pipe support 50 and load-bearing hoist cable 60；Interior net circle 20 is embedded in from the top of outer net circle 10, and will not be deviate from from the bottom of outer net circle 10, The upper end of etting 30 is arranged in interior net circle 20, and its lower end is connected to net bottom pipe 40 by anchor ear, and planktonic organism enters etting 30, Net bottom pipe 40 is later fallen into, net bottom pipe 40 is provided with net bottom pipe support 50, to ensure that net bottom pipe 40 is in vertical state；Top hoist cable One end connects outer net circle 10, other end connection winch wirerope, and bottom hoist cable one end is connected to outer net circle 10, other end connection net bottom Pipe support 50.

Wherein, etting 30 is set to the round table-like of cavity, and is bore of the bore more than lower ending opening of upper end open, edge The circumferential direction of the upper end open of etting 30 is provided with the slide fastener of ring-type, and week of the girth more than the upper end open of etting 30 of slide fastener It is long, when the zip fastener is closed, interior net circle 20 can be wrapped up with etting 30.It is provided with the lower ending opening edge of etting 30 The edge suitable for reading laminating of the projection of ring-type, the projection and net bottom pipe 40, recycles anchor ear to be fixedly connected.

Multiple first through hole 201 are provided with the side wall of outer net circle 10, for connecting load-bearing hoist cable 60.Load-bearing hoist cable 60 is The rope external member of regular length, top hoist cable is shorter, and one end connects outer net circle 10, and the other end passes through universal change connection winch steel Cable；Bottom hoist cable connects outer net circle 10 and net bottom pipe support 50, and its length is slightly shorter than the length of etting 30, it is ensured that load-bearing hoist cable 60 by Power and etting 30 does not stress；The length of load-bearing hoist cable 60 can be adjusted, to ensure that it is horizontal that network interface and net bottom pipe 40 are in State.

Net bottom pipe support 50 is to be detachably connected with net bottom pipe 40, and can install balancing weight additional on net bottom pipe support 50, to ensure In operation in the case that seawater velocity is larger, etting 30 is in opposed vertical state.Valve 401 is provided with net bottom pipe 40, It is easy to sampling to detect.

Similarly, etting 30 can be fixed with interior net circle 20 by way of adhesion, or by interior net circle 20 and etting 30 It is suitable for reading respectively to open a gap, etting 30 it is suitable for reading by indentations sutured at, set is attached on Intranet circle 20, and can be changed by breach Etting 30.

In the alternative of the present embodiment, as shown in figs. 2 to 4, further, the cross section of outer net circle 10 is L-shaped, with Interior net circle 20 is fitted together to；First through hole 201 is arranged on the circle wall of outer net circle 10, and the number of first through hole 201 is four, and wherein Three first through hole 201 are uniformly distributed in the port of outer net circle 10, a remaining first through hole 201 and three first through hole 201 In any one center of circle along outer net circle it is symmetrical.In the present embodiment, first, outer net circle 10 is banding annular, its Section is " L " shape of upper-thin-lower-thick, and interior net circle 20 is annular, and its external diameter is slightly less than the internal diameter of outer net circle 10, and can be from outer The top of net circle 10 is inserted in, and ensures from the bottom of outer net circle 10 to deviate from.Wherein, when interior net circle 20 is inserted in outer net circle 10 Afterwards, the height of interior net circle 20 is less than the height of outer net circle 10.

Secondly, four first through hole 201 are provided with the circle wall of outer net circle 10, wherein three first through hole 201 are along outer The circumference of net circle 10 is uniformly distributed, i.e., three first through hole 201 are spaced 120 degree, and these three first through hole 201 are mainly used in Three load-bearing hoist cables 60 and flowmeter are connected when single net work；In addition, the 4th first through hole 201 therewith first three first lead to The center of circle of any one in hole 201 along outer net circle 10 is symmetrical, i.e., be 180 degree with its angle, the two are symmetrical First through hole 201 is used to install two load-bearing hoist cables 60 when many nets are applied in combination.

In the alternative of the present embodiment, as shown in figs. 2 to 4, further, in addition to U-loop 70；U-loop 70 connects First through hole 201 is connected to, is fixed for internal net circle 20, and connect load-bearing hoist cable 60.In the present embodiment, U-shaped Ring 70 is each passed through four first through hole 201, on the one hand the interior net circle 20 for being inserted in outer net circle 10 is fixed, because interior The height of net circle 20 is less than the height of outer net circle 10, and is less than the axle center of first through hole 201 simultaneously to the vertical height of outer net circle 10 Degree；On the other hand, load-bearing hoist cable 60 can connect outer net circle 10 through U-loop 70.

Specifically, connecting hole is set respectively in two ports of U-loop 70, two connecting holes and first through hole 201 Diameter is identical, and axle center is in same level height, then recycles a screw rod 80 to pass through connecting hole and first through hole 201, Fixed respectively with nut at the two ends of screw rod 80, it is ensured that the steadiness of U-loop 70.

In the alternative of the present embodiment, as shown in figs. 2 to 4, further, net bottom pipe 40 is funnel-form, and net bottom A pair of drainages mouthful 402 are provided with the side wall of pipe 40.In the present embodiment, funnelform net bottom pipe 40 is more convenient for swimming to target Biology is by being sampled, and the bore of the upper port of net bottom pipe 40 is more than the bore of lower port, and planktonic organism passes through 30 mouthfuls of etting Into being trapped to net bottom pipe 40, the bore of the funnelform lower port of net bottom pipe 40 contracts suddenly；Wherein, the life of swimming of different-grain diameter The yarn thin,tough silk pore size of etting 30 that thing is used is different, and the size of valve 401 of 40 times mouths of net bottom pipe is identical.

A pair of drainages mouthful 402 are set respectively on the side wall of net bottom pipe 40, and the unnecessary moisture for filtering out is easy to sampling Test.Specifically, two drainages mouthful 402 be arranged in parallel, use and covered with the aperture identical gauze of etting 30 at opening, pass through arc Shape holddown plate and anchor ear fix gauze.

In the alternative of the present embodiment, as shown in figure 4, further, net bottom pipe support 50 is cylindric framework, and The center of bottom is provided with a vertical rod 501；The top connection net bottom pipe 40 of vertical rod 501.In the present embodiment, net bottom pipe 40 are connected to vertical rod 501, when needing sample collection, and net bottom pipe support 50 is placed directly on deck, and net bottom pipe support 50 is supported Net bottom pipe 40 is in vertical state, and the valve 401 for opening net bottom pipe 40 is acquired, convenient and strength-saving；Moreover, cylindric framework Net bottom pipe support 50 plays protective action to net bottom pipe 40, when reducing underwater operation net bottom pipe 40 because being collided with hull etc. and The risk for causing net bottom pipe 40 to deform；In addition, can also install balancing weight additional on net bottom pipe support 50 when seawater velocity is larger, improve The phenomenon of over-tilting occurs under water for network interface.

In the alternative of the present embodiment, as shown in figure 4, further, the top of net bottom pipe support 50 is provided with multiple Draw ring 502 for connecting bottom hoist cable, and the relative position between multiple draw rings 502 is multiple in outer net circle 10 with being arranged on Relative position between first through hole 201 is identical.In the present embodiment, bottom hoist cable through draw ring 502 by fixing net bottom pipe Frame 50, the net bottom pipe support 50 is connected with outer net circle 10, and net bottom pipe support 50 is kept vertical direction.

Wherein, draw ring 502 is welded in the top of net bottom pipe support 50.Because welding both time and labour saving, material will not be made again Sectional area is detracted, and material can be made to be fully used, and without by auxiliary component, connecting structure is simple, globality It is good.

In the alternative of the present embodiment, as shown in figure 4, further, net bottom pipe support 50 also includes clip 503；Card Net bottom pipe 40 can be lock onto on net bottom pipe support 50 by hoop 503.In the present embodiment, clip 503 is used between fast joint, main Play contining function, clip 503 has handsome in appearance, and easy to use, clamping force is strong, the features such as good seal performance, can pass through Two steel wire encirclings are formed, and also can directly be cast and formed by cast iron.

Specifically, the Quick hoop 503 that two semicircles are fastened is installed at the tip position of vertical rod 501, by net bottom pipe 40 It is positioned in clip 503, tightens knob, locking net bottom pipe 40 makes net bottom pipe 40 keep vertical direction, it is ensured that net bottom pipe 40 Steadiness and vertical property, and realize fast quick-detach, installation and the replacing of net bottom pipe 40.

The present embodiment also provides a kind of combined type plankton haul, and Fig. 5 swims for the combined type that the utility model is provided The structural representation of biological trawlnet；Fig. 6 is the partial enlarged drawing of net circle connector in Fig. 5.As shown in Fig. 5~6, including it is above-mentioned Plankton haul, in addition to net circle connector 100；Net circle connector 100 can connect two outer net circles 10 of arbitrary neighborhood, So as to connect two plankton hauls of arbitrary neighborhood.

Multiple outer net circles 10 can two-by-two be connected by net circle connector 100, assemble more convenient, being capable of flexible combination Using variety classes, the trawlnet of size, and without outside rack limitation.

Wherein, when carrying out multiple plankton haul combinations, can two-by-two it be connected according to its corresponding outer net circle 10 The relative position connect is different, and the size to net circle connector 100 makes corresponding adjustment.

In the alternative of the present embodiment, as shown in fig. 6, further, the left and right sides of net circle connector 100 is respectively provided with Fluted 1002, and the left and right sides of net circle connector 100 is provided with the second through hole along the short transverse of groove 1002.At this In embodiment, net circle connector 100 is disposed as relative, side indent I-shaped block structure, groove for left and right 1002 length size must assure that outer net circle 10 can be fitted together into the vallecular cavity just；In net circle connector 100 The left and right sides is provided with the second through hole, passes through second through hole using tie down screw 1001, is connected through a screw thread fixed net circle Connector 100 and outer net circle 10, so as to realize the combination of multiple plankton hauls, add and use flexibility.

In the alternative of the present embodiment, as shown in figure 5, further, the fag end of load-bearing hoist cable installs capel 90. In the present embodiment, capel 90 is one kind of crane hook, with grooving, for rope end around ligation, to prevent rope Cable overbending and abrasion, and the cardioid becket of other components can be connected.Load-bearing hoist cable 60 is regular length, in fag end dress Capel 90, without being subsequently mediated after sling length, which is debugged, to be determined, to ensure that network interface can keep balance.

Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of plankton haul, it is characterised in that including interior net circle, outer net circle, etting, net bottom pipe, net bottom pipe support and hold Weight hoist cable；

The interior net circle is nested in the outer net circle, and the etting is placed in the interior net circle, and the etting is away from described The port of interior net circle connects the net bottom pipe；

The net bottom pipe is arranged on the net bottom pipe support, and the bottom of the net bottom pipe is provided with valve, and the valve is used for Sampling；

Multiple first through hole are provided with the outer net circle, the first through hole can connect the load-bearing hoist cable；

The position that the etting connects the interior net circle is provided with slide fastener, and tearing open for the etting can be realized by the slide fastener Dress, replacing；

The load-bearing hoist cable includes top hoist cable and bottom hoist cable, and the top hoist cable is used for connection winch wirerope, the bottom Hoist cable connects the net bottom pipe support.

2. plankton haul according to claim 1, it is characterised in that the cross section of the outer net circle is L-shaped, with institute Interior net circle is stated to be fitted together to；

The first through hole is arranged on the circle wall of the outer net circle, and the number of the first through hole is four, and wherein three The first through hole is uniformly distributed in the port of the outer net circle, a remaining first through hole and three first through hole In any one center of circle along the outer net circle it is symmetrical.

3. plankton haul according to claim 2, it is characterised in that also including U-loop；The U-loop is connected to The first through hole, for being fixed to the interior net circle, and connects the load-bearing hoist cable.

4. plankton haul according to claim 1, it is characterised in that the net bottom pipe is funnel-form, and the net A pair of drainages mouthful are provided with the side wall of bottom pipe.

5. plankton haul according to claim 1, it is characterised in that the net bottom pipe support is cylindric framework, and A vertical rod is provided with the center of bottom；

The top of the vertical rod connects the net bottom pipe.

6. plankton haul according to claim 5, it is characterised in that be provided with the top of the net bottom pipe support multiple Draw ring for connecting the bottom hoist cable, and relative position between multiple draw rings and be arranged in the outer net circle Relative position between multiple first through hole is identical.

7. plankton haul according to claim 6, it is characterised in that the net bottom pipe support also includes clip；It is described The net bottom pipe can be lock onto on the net bottom pipe support by clip.

8. a kind of combined type plankton haul, it is characterised in that including the planktonic organism described in any one of claim 1~7 Trawlnet, in addition to net circle connector；

The net circle connector can connect two outer net circles of arbitrary neighborhood, so as to connect described in two of arbitrary neighborhood Plankton haul.

9. combined type plankton haul according to claim 8, it is characterised in that the net circle connector left and right sides It is provided with groove, and the left and right sides of the net circle connector is provided with the second through hole along the short transverse of the groove.

10. combined type plankton haul according to claim 8, it is characterised in that the fag end peace of the load-bearing hoist cable Fill capel.