CN211153421U

CN211153421U - Towed fish gathering net device

Info

Publication number: CN211153421U
Application number: CN201921881821.5U
Authority: CN
Inventors: 王先平; 郭黎明; 王晨; 谢宁
Original assignee: Shanghai Genghai Fishery Co ltd
Current assignee: Shanghai Genghai Fishery Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-04
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to an aquaculture technical field especially relates to a towed collection fish net device, including erectting the front end to the rear end reciprocating sliding's collection fish net of locating in the fish pond and can following the fish pond, locate an at least preceding haulage rope of collection fish net front side, locate an at least back haulage rope of collection fish net rear side, the preceding driving piece that is connected with preceding haulage rope and the back driving piece that is connected with back haulage rope, preceding haulage rope and back driving piece drive respectively before haulage rope and back haulage rope motion and apply opposite pulling force to collection fish net, make collection fish net keep at the assigned position or along the front end to the rear end reciprocating sliding in fish pond. Simple structure, simple to operate, degree of mechanization is high, can save artifical dilatory intensity of labour to can realize unmanned fish gathering operation, be particularly useful for some special breed ponds, like submergence formula underdrain breed pond, because of the unable manual operation of four sides closure and submergence under water, adopt this towed fish gathering net device can realize the fish gathering operation in this type of breed pond.

Description

Towed fish gathering net device

Technical Field

The utility model relates to an aquaculture technical field especially relates to a towed fishing net device.

Background

The trapping of live fish is an important production activity in aquaculture, and during the size classification, pond transfer and harvest of the cultured fish, the fish needs to be fished out from the pond, and the fish gathering is the first operation of trapping live fish, namely, the fish needs to be gathered firstly, and then the trapping of the fish is completed in a manual fishing or fish pump suction mode or a free walking mode of the fish.

The fish gathering operation is usually performed by moving the net assembly along the wall of the fishpond from one end of the fishpond to the other end of the fishpond to gather the fish in the fishpond. The existing fish collecting net device generally has the defects of complex structure, inconvenient operation and high labor intensity of manual dragging.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an easy operation, can save artifical intensity of labour's towed collection fish net device to overcome prior art's above-mentioned defect.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a towed collection fish net device, including erectting to locate in the fish pond and can follow the front end to the back end reciprocating sliding's of fish pond collection fish net, locate at least one preceding haulage rope of collection fish net front side, locate at least one back haulage rope of collection fish net rear side, the front driving piece that is connected with preceding haulage rope and the back driving piece that is connected with back haulage rope, front driving piece and back driving piece drive the motion of preceding haulage rope and back haulage rope respectively and exert opposite pulling force to collection fish net, make collection fish net keep at the assigned position or along the front end to the back end reciprocating sliding of fish pond.

Preferably, the front drive is a front end winch.

Preferably, the fish gathering device further comprises a front steering pulley, one end of the front traction rope is connected with the front end winch, and the other end of the front traction rope is connected with the fish gathering net after passing through the front steering pulley.

Preferably, the rear drive is a rear winch.

Preferably, the fishing net further comprises a rear steering pulley, one end of the rear traction rope is connected with the rear end winch, and the other end of the rear traction rope is connected with the fishing net after passing through the rear steering pulley.

Preferably, the left and right sides of the fish collecting net are both provided with a front hauling rope and a rear hauling rope.

Preferably, the fish gathering net comprises a transverse net and two side nets hinged with the left side and the right side of the transverse net respectively.

Preferably, an included angle is formed between the edge net and the transverse net, and one side edge of the edge net, which is far away from the transverse net, is positioned at the rear side of the transverse net.

Preferably, the cross net and the side net each comprise a frame and a water permeable net mounted on the frame.

Preferably, the bottom edge of the fish collecting net is provided with a movable caster.

Compared with the prior art, the utility model discloses the progress that has showing:

the utility model discloses a towed collection fish net device, provide power by front driving piece and back driving piece, make collection fish net pull fixed or along the front end to the rear end reciprocating slide of fish pond by preceding haulage rope and back haulage rope, simple structure need not to set up on the fish pond pool wall and blocks the component, simple to operate, and degree of mechanization is high, can save artifical dilatory intensity of labour to can realize unmanned collection fish operation, especially be suitable for some special breed ponds, breed the pond like submergence formula underdrain, because of the unable manual operation of four sides closure and submergence under water, adopt the utility model discloses a towed collection fish net device then can realize the collection fish operation in this type breed pond.

Drawings

Fig. 1 is a schematic top view of a pull-type fish collecting net device installed in a fishpond according to an embodiment of the present invention.

Fig. 2 is a schematic view showing the pull-type fish collecting net device according to the embodiment of the present invention after the front hauling rope, the rear hauling rope, the front driving member and the rear driving member on the right side are removed.

Fig. 3 is a schematic top view of the trailed fish collecting net device according to the embodiment of the present invention after the fish collecting net is detached.

Fig. 4 is a schematic front view of the pull-type fish collecting net device of the embodiment of the present invention after the fish collecting net is detached.

Fig. 5 is a schematic view of the front end of the pull-type fish collecting net device installed in the fishpond according to the embodiment of the present invention.

Fig. 6 is a schematic view of a rear end view of a pull-type fish collecting net device installed in a fishpond according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. fish collecting net 11 and transverse net

12. Side net 13, frame

131. Cross bar 132 and vertical bar

14. Water permeable net 2, front hauling rope

3. Rear traction rope 4 and front driving part

5. Rear driving piece 6 and front steering pulley

7. Rear steering pulley 8 and movable caster

9. Articulated elements 91, hinge pin

92. Hinge bearing 10 and fish pond

101. Water pusher 102 and pool outer wall

103. Working platform 104 and underdrain bottom plate

105. Top plate of underdrain

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 6, the present invention relates to a pull-type fish collecting net device. The pull-type fish gathering net device of the present embodiment is installed in the fish pond 10 and can move along the wall of the fish pond 10 from the front end to the rear end of the fish pond 10, so as to gather the fish in the fish pond 10 to the rear end of the fish pond 10. For convenience of description, the flow direction in the fish pond 10 is defined herein as from "front" to "rear", i.e., the upstream direction of the flow is "front" and the downstream direction of the flow is "rear", and then the direction perpendicular to the front-rear direction in the horizontal plane is the left-right direction and the direction perpendicular to the front-rear direction in the vertical plane is the up-down direction.

Referring to fig. 1 and 2, the pull-type fish collecting net apparatus of the present embodiment includes a fish collecting net 1, a front traction rope 2, a rear traction rope 3, a front driving member 4, and a rear driving member 5. The fish collecting net 1 is vertically arranged in the fishpond 10 and can slide back and forth from the front end to the rear end of the fishpond 10, and in an initial state, the fish collecting net 1 is positioned at the front end of the fishpond 10. The front hauling cable 2 is arranged on the front side of the fish collecting net 1, and one or more than one front hauling cable 2 is/are arranged. The rear traction rope 3 is arranged at the rear side of the fish collecting net 1, and one or more rear traction ropes 3 are arranged. The front driving piece 4 is connected with the front hauling rope 2, the front driving piece 4 acts on the front hauling rope 2 to enable the front hauling rope 2 to be loosened or tensioned or drive the front hauling rope 2 to move, and the front hauling rope 2 exerts forward pulling force on the fish collecting net 1 when being tensioned or moved under the driving of the front driving piece 4. The rear driving piece 5 is connected with the rear traction rope 3, the rear driving piece 5 acts on the rear traction rope 3 to enable the rear traction rope 3 to be loosened or tensioned or drive the rear traction rope 3 to move, and the rear traction rope 3 exerts backward pulling force on the fish collecting net 1 when being tensioned or moved under the driving of the rear driving piece 5. The direction of the pulling force applied to the fish collecting net 1 by the front hauling ropes 2 is opposite to the direction of the pulling force applied to the fish collecting net 1 by the rear hauling ropes 3. The front driving piece 4 and the rear driving piece 5 respectively drive the front traction rope 2 and the rear traction rope 3 to move and apply opposite pulling forces to the fish collecting net 1, so that the fish collecting net 1 is kept at a specified position or slides back and forth along the front end to the rear end of the fishpond 10.

The towed collection fish net device of this embodiment, provide power by front driving piece 4 and rear driving piece 5, make collection fish net 1 pull by preceding haulage rope 2 and rear haulage rope 3 fixed or along the front end to the back end reciprocating sliding of fish pond 10, moreover, the steam generator is simple in structure, need not to set up on the pond wall of fish pond 10 and block the component, high in degree of mechanization, can save the intensity of labour of artifical dilatory, and can realize unmanned collection fish operation, especially be suitable for some special breed ponds, like submergence formula underdrain breed pond, because of the four sides is closed and submergence is under water and unable manual operation, the towed collection fish net device of this embodiment of adoption then can realize the collection fish operation in this kind of breed pond.

Referring to fig. 1, in the present embodiment, preferably, the front hauling rope 2 and the rear hauling rope 3 are respectively disposed at the left side and the right side of the fish collecting net 1, and the front hauling rope 2 and the rear hauling rope 3 located at the same side of the fish collecting net 1 are oppositely disposed along the front-back direction. Each front traction rope 2 is provided with a front driving piece 4, and each rear traction rope 3 is provided with a rear driving piece 5. From this, through the preceding haulage rope 2 and the back haulage rope 3 combined action in collection fish net 1 of collection fish net 1 left and right both sides limit department, the steadiness when can guarantee collection fish net 1 to keep in the assigned position and the stability when reciprocating sliding along the front end of fish pond 10 to the rear end.

Referring to fig. 2, in the present embodiment, preferably, the front driving member 4 is a front winch, and the front traction rope 2 is driven by the front winch, so that the operation is convenient and reliable. To facilitate the installation of the front winch, the towed fish gathering net device of this embodiment may further include a front diverting pulley 6, wherein one end of the front hauling rope 2 is connected with the front winch, and the other end of the front hauling rope passes through the front diverting pulley 6 and then is connected with the fish gathering net 1. The traction force provided by the front end winch is turned by the front turning pulley 6, so that the front end winch is not arranged right in front of the fish collecting net 1, and the front traction rope 2 can apply forward tension to the fish collecting net 1. Hereby, the front winch can be mounted on the fish pond 10 in a suitable position for easy mounting, for example above the top wall of the fish pond 10. In this embodiment, two front diverting pulleys 6 are arranged, the two front diverting pulleys 6 are arranged at intervals up and down, the lower front diverting pulley 6 is positioned right in front of the fish collecting net 1, the front end winch is positioned behind the upper front diverting pulley 6, and the front traction rope 2 on the front end winch is connected with the fish collecting net 1 after sequentially passing through the upper front diverting pulley 6 and the lower front diverting pulley 6. Whereby the installation of the front winch above the top wall of the fish pond 10 is achieved. Preferably, the one end that preceding haulage rope 2 is connected with collection fish net 1 divides into three strands of haulage ropes, and three strands of haulage ropes are connected with the same ascending upper, middle, lower three-point in vertical direction of collection fish net 1 respectively, can increase the homogeneity of the whole atress of collection fish net 1 with preceding haulage rope 2 evenly distributed on collection fish net 1 from this to the pulling force of collection fish net 1 to guarantee the stability of collection fish net 1 motion.

Referring to fig. 2, in the present embodiment, the rear driving element 5 is preferably a rear winch, and the rear traction rope 3 is traction-driven by the rear winch, so that the operation is convenient and reliable. To facilitate the installation of the rear winch, the trailed fish-collecting net device of this embodiment may further include a rear diverting pulley 7, wherein one end of the rear towing rope 3 is connected to the rear winch, and the other end of the rear towing rope passes through the rear diverting pulley 7 and then is connected to the fish-collecting net 1. The traction force provided by the rear end winch is steered through the rear steering pulley 7, so that the rear end winch is not arranged right behind the fish collecting net 1, and the rear traction rope 3 can apply backward tension to the fish collecting net 1. The rear winch can thus be mounted on the fishpond 10 in a suitable position for easy mounting, for example above the top wall of the fishpond 10. In this embodiment, two rear diverting pulleys 7 are provided, the two rear diverting pulleys 7 are arranged at intervals up and down, the lower rear diverting pulley 7 is positioned right behind the fish collecting net 1, the rear winch is positioned in front of the upper rear diverting pulley 7, and the rear traction rope 3 on the rear winch sequentially passes through the upper rear diverting pulley 7 and the lower rear diverting pulley 7 and then is connected with the fish collecting net 1. Whereby the installation of the rear winch above the top wall of the fish pond 10 is achieved. Preferably, the end that back haulage rope 3 is connected with collection fish net 1 divides into three strands of haulage rope, and three strands of haulage rope are connected with the same upward, well, the lower three-point of vertical direction of collection fish net 1 respectively, can increase the homogeneity of the whole atress of collection fish net 1 with back haulage rope 3 evenly distributed on collection fish net 1 from this to the pulling force of collection fish net 1 to guarantee the stability of collection fish net 1 motion.

Referring to fig. 2, 3 and 4, in the present embodiment, it is preferable that the fish-gathering net 1 includes a cross net 11 and two side nets 12 hinged to left and right sides of the cross net 11, respectively. The side net 12 is hinged with the transverse net 11 and can rotate around the side edge of the transverse net 11, so that the whole fish collecting net 1 can be adjusted in width extending along the left-right direction, and the fish collecting net can adapt to fish ponds 10 with different width sizes. The side net 12 is hinged to the cross net 11 through the hinge 9, preferably, the hinge 9 may include a hinge pin 91 and a hinge bearing 92, the hinge bearing 92 is installed on the side where the side net 12 and the cross net 11 are connected, the hinge pin 91 is inserted into the hinge bearing 92 on the side net 12 and the cross net 11, and the hinge pin 91 is rotatably matched with the hinge bearing 92 to realize the hinge of the side net 12 and the cross net 11.

Furthermore, an included angle is formed between the edge net 12 and the transverse net 11, and one side edge of the edge net 12, which is far away from the transverse net 11, is located at the rear side of the transverse net 11. From this, both sides net 12 is connected with horizontal net 11 and constitutes trapezoidal form, and horizontal net 11 is the front end that this trapezoidal topside just is located fish pond 10, and this mounting means can increase the holistic steadiness of collection fishnet 1, guarantees that collection fishnet 1 can not take place to incline or turn on one's side when receiving traction force to remove to, the slant installation of side net 12 can disperse the impact force of rivers in fish pond 10, reduces the emergence of device damage, reduces cost of maintenance.

In order to ensure that the fish collecting net 1 can effectively collect the fish in the fish pond 10 to the rear end of the fish pond 10 when moving along the wall of the fish pond 10 from the front end to the rear end of the fish pond 10, the width of the whole fish collecting net 1 extending along the left-right direction should be matched with the minimum width of the fish pond 10, so that the fish collecting net 1 can smoothly slide in the fish pond 10 and collect the fish in the fish pond 10 to the rear end of the fish pond 10. In this embodiment, the width of the transverse net 11 is preferably 20% of the minimum width of the fishpond 10, and the width of the side net 12 is not less than 41.2% of the minimum width of the fishpond 10, and preferably, the width of the side net 12 is 44% -56% of the minimum width of the fishpond 10.

In this embodiment, it is preferable that both the cross net 11 and the side net 12 are of a planar structure. Referring to fig. 4, the transverse net 11 and the side nets 12 each include a frame 13 and a water permeable net 14 mounted on the frame 13, the water permeable net 14 allowing water flow therethrough without allowing fish to pass therethrough, and the frame 13 supporting the water permeable net 14 in a planar structure. The frame 13 may include two cross bars 131 and two vertical bars 132 connected to form a rectangle. Hinge bearings 92 may be mounted on two vertical rods 132 adjacent to side wire 12 and cross wire 11.

In this embodiment, referring to fig. 4, it is preferable that the bottom edge of the fish collecting net 1 is provided with movable casters 8 to facilitate the sliding of the fish collecting net 1 under the traction force. Preferably, one or more casters 8 may be provided on both the side net 12 and the cross bar 131 at the bottom of the cross net 11.

Referring to fig. 5 and 6, taking the application of the pull-type fish gathering net device of the present embodiment to the fishpond 10 in the submerged multi-layer aquaculture system as an example, when the device is installed, the fish gathering net is installed at the front end of the underdrain of the fishpond 10, and is closely adjacent to the rear of the water pusher 101, after the device is installed, the transverse net 11 is located at the upstream of the water flow and is perpendicular to the water flow direction, the outer vertical rods 132 of the frames 13 of the two side nets 12 are respectively contacted with the side wall plates of the fishpond 10, the bottom of the water permeable net 14 is closely attached to the underdrain bottom plate 104, and the transverse rods 131 at the tops of the frames 11 of the transverse net and the side nets. The front diverting pulley 6 and the rear diverting pulley 7 are respectively fixed on the outer wall 102 of the fishpond 10 at the front end and the rear end, and the front winch and the rear winch are arranged on a working platform 103 above the top plate 105 of the underdrain. In the initial state, the front end winch is locked, the fish collecting net 1 is pulled by the front pulling rope 2, so that the fish collecting net 1 is kept fixed and cannot be displaced along with the high-speed water flow impact produced by the water pusher 101. During fish gathering operation, the front end winch is unlocked, the front traction rope 2 can move, the rear end winch is started, the rear traction rope 3 is pulled, the fish gathering net 1 is pulled to move backwards through conduction of the rear steering pulley 7, the fish gathering net 1 slowly moves to the rear end of the covered channel of the fish pond 10 through the movable caster 8 at the bottom under the pulling of the rear traction rope 3, fish flocks are gradually gathered under the driving of the fish gathering net 1 and finally gathered at the rear end of the fish pond 10, the fish gathering operation is completed, and the next operation can be performed, if the gathered fish flocks are moved out of the fish pond 10. After the fish in the fishpond 10 is completely emptied, the front-end winch is started, the front traction rope 2 is pulled, the fish collecting net 1 is pulled to move forwards through conduction of the front steering pulley 6 until the fish collecting net moves to the initial position under the pulling of the front traction rope 2, and then the front-end winch is locked to finish resetting and fixing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The traction type fish collecting net device is characterized by comprising a fish collecting net (1) which is vertically arranged in a fish pond (10) and can slide to and fro along the front end to the rear end of the fish pond (10), at least one front traction rope (2) arranged on the front side of the fish collecting net (1), at least one rear traction rope (3) arranged on the rear side of the fish collecting net (1), a front driving piece (4) connected with the front traction rope (2) and a rear driving piece (5) connected with the rear traction rope (3), wherein the front driving piece (4) and the rear driving piece (5) respectively drive the front traction rope (2) and the rear traction rope (3) to move and apply opposite pulling forces to the fish collecting net (1), so that the fish collecting net (1) is kept at a designated position or slides to and fro along the front end to the rear end of the fish pond (10).

2. Traction-type fish gathering net arrangement according to claim 1, characterized in that the front driving member (4) is a front end winch.

3. The towed fish gathering net device as recited in claim 2, further comprising a front steering pulley (6), wherein one end of the front hauling rope (2) is connected with the front winch, and the other end is connected with the fish gathering net (1) after passing through the front steering pulley (6).

4. Traction-type fish gathering net arrangement according to claim 1, characterized in that the rear drive (5) is a rear winch.

5. A trailed fish gathering net device as claimed in claim 4, further comprising a rear diverting pulley (7), one end of the rear hauling rope (3) is connected with the rear winch, and the other end is connected with the fish gathering net (1) after passing through the rear diverting pulley (7).

6. The towed fish gathering net device as recited in claim 1, wherein the front hauling rope (2) and the rear hauling rope (3) are provided at both the left and right sides of the fish gathering net (1).

7. Traction-type fish gathering net arrangement as claimed in claim 1, characterized in that the fish gathering net (1) comprises a cross net (11) and two side nets (12) hinged to the left and right sides of the cross net (11), respectively.

8. A trailed fish gathering net device as claimed in claim 7, characterized in that the side net (12) forms an angle with the cross net (11) and the side of the side net (12) far from the cross net (11) is located at the rear side of the cross net (11).

9. Pull-behind fish gathering net arrangement as claimed in claim 7, characterised in that the cross net (11) and the side nets (12) each comprise a frame (13) and a water-permeable net (14) mounted on the frame (13).

10. A trailed fish gathering net device according to claim 1, characterized in that the bottom edge of the fish gathering net (1) is provided with movable casters (8).