CN112913735A - Raft type shellfish culture cable lifting and dragging device - Google Patents
Raft type shellfish culture cable lifting and dragging device Download PDFInfo
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- CN112913735A CN112913735A CN202110095849.1A CN202110095849A CN112913735A CN 112913735 A CN112913735 A CN 112913735A CN 202110095849 A CN202110095849 A CN 202110095849A CN 112913735 A CN112913735 A CN 112913735A
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- 235000015170 shellfish Nutrition 0.000 title claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 241000826860 Trapezium Species 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/08—Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a raft culture cable lifting and dragging device for shellfish, which comprises an upright post arranged on the side of a pontoon, a sliding seat sliding along the upright post, and a winch fixed on the upright post; a rotatable grooved wheel is fixed on the sliding seat, the grooved wheel protrudes out of the side, and the wheel body of the grooved wheel is parallel to the side; the grooved wheel is provided with a power source for driving the grooved wheel to rotate; the rope of the winch is fixedly connected with the sliding seat positioned below the rope. The invention replaces the traditional rope lifting and dragging operation of fishermen when picking the shellfish, so that the main picking work is finished above the deck, and the physical consumption of workers is greatly reduced. Meanwhile, continuous operation can be realized in the mechanized operation, so that the operation time is greatly saved, and the working efficiency is improved. Except for the operation of seedling distribution and harvesting of the long-cable shellfish culture raft frame, the invention can be applied to the working condition of lifting and dragging a single cable on the water surface.
Description
Technical Field
The invention relates to a raft culture cable lifting and dragging device for shellfish, and belongs to the technical field of shellfish culture.
Background
In the prior art, offshore shellfish culture raft racks are mostly formed by connecting long cables, buoys and the like. The shellfish seedling rope is bound on the long cable rope for cultivation. In the traditional operation, in the seedling distribution and harvesting stage, a small-sized ship is usually manually driven to approach the long cable rope for operation, in the operation process, a worker lifts the long cable rope from the sea and fixes the long cable rope on a wearing side to cut off the seedling rope on the ship side and drag the seedling rope into a cabin, then the cable rope is put back into the sea, and the worker drives the ship to move forwards for a certain distance and then stops the operation again. In this way, the physical strength of workers is extremely high, the long cable rope needs to be lifted very high when the seedling rope is long, and the lifting force is higher when the long cable rope is lifted, so that the workers are hard to bear only by physical strength.
Disclosure of Invention
The invention aims to provide a raft culture cable lifting and dragging device for shellfish, which realizes the lifting of a long cable by using a mechanical device, simultaneously realizes the horizontal movement of a boat body along the long cable by using the lower pressure of the long cable to act on a power guide wheel with a specific structure and through friction reaction force. The device can be used in a set of combined mode and has the characteristics of convenience in installation and simplicity and convenience in operation.
The invention adopts the following technical scheme:
a shellfish raft culture cable lifting and dragging device comprises a stand column 1 arranged on the side of a pontoon, a slide seat 3 sliding along the stand column 1, and a winch 4 fixed on the stand column; a rotatable grooved wheel 7 is fixed on the sliding seat 3, the grooved wheel 7 protrudes out of the side, and the wheel body of the grooved wheel 7 is parallel to the side; the grooved pulley 7 is provided with a power source 11 for driving the grooved pulley to rotate; the rope of the winch 4 is fixedly connected with the sliding seat 3 positioned below the winch.
Preferably, the upright post 1 is a long rod with a square cross section and is fixed on the floating pontoon through an upright post base 2, and a plurality of through holes are arranged on the upright post 1 at intervals for positioning the sliding seat 3 at different heights.
Preferably, the winch is in a hand-operated type or has power driving.
Preferably, the section of the groove shape of the grooved pulley 7 is conical, and an anti-rope-jamming plate 8 which is profiled with the section of the groove shape is arranged at the lower part of the groove shape.
Further, a speed reducer 5 is arranged below the sliding seat 3, and the speed reducer 5 is connected with a grooved pulley 7 through a shaft 6; the base 10 is connected to speed reducer 5 below, and the installation of base 10 front end prevents the card rope board 8, prevent that the card rope board 8 is the trapezium structure, installs at the front end of base 10 to be located the lower part space in the type groove of grooved pulley 7.
Further, a deviation plate 9 is arranged on the outer side of the grooved wheel 7, and the deviation plate 9 is used for deviating the seedling rope 13 from the axis of the grooved wheel 7 by a set distance when the seedling rope passes through the grooved wheel 7.
Further, the power source 11 is an electric motor or a hydraulic motor, and drives the grooved pulley 7 to rotate through the speed reducer 5 and the shaft 6.
Preferably, the grooved pulley 7 is formed by combining single pulleys with symmetrical structures, the main body of each single pulley is a groove inclined plane 71, each groove inclined plane 71 comprises an inclined plane with an oblique angle of 10-200, a plurality of grooves are uniformly distributed in the radial direction of each inclined plane, and the section of each groove can be one or more of a triangle, a rectangle and a trapezoid; the outer side of the groove inclined plane 71 is a plane end 72, and the plane end 72 is a vertical plane from the tail end of the groove profile to the hub of the groove profile wheel; the two single wheels are oppositely and tightly attached and connected through a shaft 6 to form a groove of a grooved wheel 7; the single wheel is also provided with a chamfer surface 73, and the chamfer surface 73 is a chamfer of 30-60 degrees on the end surface of the wheel.
Further, the deviation plate 9 comprises a central rectangular plate 91 and trapezoidal plates 92 at two sides, and the central rectangular plate 91 and the trapezoidal plates 92 at two sides form an angle of 140 degrees and 160 degrees; below the deviation plate 9, an arc plate 93 is coupled, said arc plate 93 being curved inwards.
The use method of the shellfish raft culture cable lifting and dragging device adopts the shellfish raft culture cable lifting and dragging device, and the shellfish raft culture cable lifting and dragging device is used independently or in pairs to enlarge the working space of personnel; the method comprises the following steps:
s1, installing the shellfish raft culture cable lifting and dragging device on the side of the ship with the operation surface outward and close to the main cable 12 of the culture raft frame, rotating the winch 4 to release the steel wire, lowering the slide carriage 3 to a low point, and lifting the main cable 12 into the groove of the sheave of the trough surface;
s2, rotating the winch 4 to tighten the steel wire to lift the sliding seat 3 to a required height, and inserting the bolt into the through holes of the upright post 1 and the sliding seat 3 for fixing; the main ropes 12 are tensioned because of the load thereon;
s3, starting the power device 11 to drive the grooved wheel 7 to rotate, clamping the main cable 12 by the groove of the grooved wheel 7 and dragging the main cable by friction force, enabling the floating boat to move relatively under the relative action of the friction force, and sequentially lifting the main cable 12, the seedling rope 13 on the main cable, the culture cage 14 and the floating pontoon 15 out of the sea and passing through the grooved wheel 7; the seedling rope 13 and the breeding cage 14 are cut and harvested by workers when the seedlings travel to the high position.
Preferably, in step S3, when the weight hanging down by gravity on the main rope 12 passes through the grooved pulley 7, the weight contacts the inclined surface 92 of the deviation plate 9 and moves to the outer side of the rectangular plate 91 to bypass the grooved pulley 7 from the side, so that the knot does not affect the friction dragging force of the groove to the main rope 12; in step S3, during the process of dragging the main rope 12, the main rope 12 is stuck in the wedge angle of the grooved pulley 7 by the adhesive on a certain point of the adhesive rope, and the grooved pulley 7 rotates to form a winding, so that the anti-sticking rope plate 8 forcibly pushes the stuck point open to restore the normal dragging state.
The invention has the beneficial effects that:
1) the fishing rope-lifting and dragging operations of fishermen when traditional shellfish harvesting are replaced, so that the main harvesting work is completed above the deck, and the physical consumption of workers is greatly reduced.
2) The mechanized operation can realize continuous operation, greatly saves the operation time and improves the working efficiency.
3) The long-cable shellfish culture raft frame is not only suitable for seedling distribution and harvesting operation of the long-cable shellfish culture raft frame, but also can be applied to the working condition of lifting and dragging of the single cable on the water surface, and has wide application range.
4) The lifting of the main cable and the dragging of the floating pontoon realize integrated action and have ingenious design.
5) In the process of dragging the main cable, the main cable is clamped in the wedge angle of the grooved pulley due to sludge, water plants and the like attached to a certain point of the rope, and winding is formed through rotation of the grooved pulley. The rope blocking prevention plate can forcedly jack the blocked point open to restore the normal dragging state, and the design is ingenious.
6) The inclined plane of the deviation board can be shifted to the outer side of the rectangular board to bypass the grooved pulley from the side face, so that the rope knot does not influence the friction dragging force of the groove on the main cable rope, and the design is ingenious.
Drawings
Fig. 1 is a front view of the raft culture cable lifting and towing device for shellfish.
Fig. 2 is a right side view of the general assembly of the raft culture cable lifting and towing device for shellfish.
FIG. 3 is a schematic view of the structural configuration of the grooved wheel, in which (a) represents a side view, (b) represents a front view, and (c) represents different configurations of the groove surface cut in a concentrated manner.
Fig. 4 is a schematic view of the structural configuration of the offset plate, in which (a) represents a front view, (b) represents a side view, and (c) represents a top view.
Fig. 5 is an initial working side view.
Fig. 6 is an initial operation front view.
Fig. 7 is a side view of the lift to working height.
Fig. 8 is a front view of the lift to the working height.
Fig. 9 is a working side view of the raft culture cable lifting and towing device for shellfish.
Fig. 10 is a front view of the raft culture cable lifting and towing device for shellfish.
FIG. 11 is an offset plate work side view.
FIG. 12 is a top view of an offset plate operation.
Fig. 13 is a front view of the offset plate operation (the main cable is in state one).
Fig. 14 is a front view of the offset plate operation (main cable in state two).
Fig. 15 is a schematic view of the combined use state of the shellfish raft culture cable lifting and dragging devices.
In the figure, 1 upright column, 2 bases, 3 sliding seats, 4 windlasses, 5 speed reducers, 6 shafts, 7 grooved face wheels, 8 rope clamping prevention plates, 9 deviation plates, 10 bases, 11 power sources, 12 main cables, 13 seedling ropes, 14 breeding cages, 15 buoys, 71 groove inclined planes, 72 flat end surfaces, 73 chamfered surfaces, 91 central rectangular plates, 92 two side trapezoidal plates and 93 arc plates.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The raft culture cable lifting and dragging device for shellfish mainly comprises a column 1, a base 2, a slide seat 3, a winch 4, a speed reducer 5, a shaft 6, a grooved pulley 7, an anti-rope-clamping plate 8, a deviation plate 9, a base 10 and a power source 11, and is shown in the figure 1-2.
The section of the upright post 1 is a square long rod which is vertically connected with the base 2, and a plurality of through holes are arranged above the upright post 1 and used for fixing the sliding seat 3; a winch 4 is fixed above the upright post, the winch 4 can be driven by hand or power, and a steel wire of the winch 4 is connected with a sliding seat 3 and can drive the sliding seat to slide up and down along the upright post 1; a speed reducer 5 is arranged below the sliding seat 3, and the speed reducer 5 is connected with a grooved pulley 7 through a shaft 6; a base 10 is connected below the speed reducer 5, an anti-rope-clamping plate 8 is installed at the front end of the base 10, the rope-clamping plate 8 is close to the groove part below the grooved wheel 7, a deviation plate 9 is installed at the top end of the rope-clamping plate, and the deviation plate 9 is located on the outer side of the grooved wheel 7; the power source 11 can be an electric motor or a hydraulic motor, and drives the grooved pulley 7 to rotate through the speed reducer 5 and the shaft 6.
Structural form of grooved pulley 7: the grooved wheel is formed by combining single wheels with symmetrical structures. A single wheel is shown in figure 3. The main forms are a groove bevel 71, a flat end face 72 and a chamfer 73. The groove inclined plane 71 is an inclined plane with an oblique angle of 10-200, a plurality of grooves are uniformly distributed on the inclined plane in the radial direction, and the section of the groove can be triangular, rectangular, trapezoidal and the like. The flat end surface 72 is the vertical surface from the end of the channel profile to the hub. The chamfer surface 73 is a 30-60 degree chamfer of the wheel end surface. The two single wheels are oppositely and tightly connected through a shaft 6 to form a groove, and the shaft 6 is connected with a speed reducer 5 to transmit power to a grooved wheel 7.
Deviation plate 9 structural configuration: the whole body is in a shape that the side edge of the central rectangular plate 91 is connected with the trapezoidal plates 92 at two sides, and the rectangular plate 91 and the trapezoidal plates 92 form an angle of 140-160 degrees. The offset plate 9 is coupled below to an arcuate plate 93 as shown in fig. 4.
The using method comprises the following steps:
1. the equipment is arranged outside the shipboard operation surface and close to the main cable 12 of the culture raft frame. The winch 4 is first rotated to release the wire, the carriage 3 is lowered to the lowest point and the main rope 12 is lifted into the sheave groove as shown in fig. 7-8.
2. The winch 4 is rotated to tighten the steel wire to lift the sliding seat 3 to the required height, and the bolt is inserted into the through holes of the upright post 1 and the sliding seat 3 to be fixed. The main ropes 12 are tensioned because of the load thereon (seedling lines 13, farming cages 14, pontoons 15, etc.), as shown in fig. 7-8.
3. The power device 11 is started to drive the grooved wheel 7 to rotate, the groove of the grooved wheel 7 clamps the main cable 12 and drags the main cable through friction force, the operation platform moves relatively under the relative action of the friction force, and the main cable 12, the seedling rope 13 on the main cable, the culture cage 14 and the buoy 15 are sequentially lifted out of the sea and pass through the grooved wheel 7, as shown in fig. 9-10. The seedling rope 13 and the breeding cage 14 are cut and harvested by workers when the seedlings travel to the high position.
4. When the weight-dropping load (seedling rope 13, breeding cage 14, buoy 15, etc.) on the main rope 12 passes through the sheave 7, the weight-dropping load will be pulled out to the outside of the rectangular plate 91 and will laterally bypass the sheave 7 by contacting the inclined surface 92 of the deviation plate 9, so that the friction drag force of the groove on the main rope 12 will not be affected by the knot, as shown in fig. 11-12.
5. The rope clamping prevention plate 8 is of a trapezoidal structure and is arranged at the front end of the base 10 and is positioned in the 7V-shaped groove of the grooved pulley. During the dragging of the main rope 12, the main rope 12 is caught in the wedge angle of the sheave 7 due to sludge, water plants, etc. attached to a certain point of the rope, and is wound by the rotation of the sheave 7. The rope-jamming prevention plate 8 can forcibly push the jammed point open to restore the normal dragging state, as shown in fig. 13-14.
6. The cable lifting and towing devices can be used singly or in pairs to enlarge the working space of the personnel, and when the cable lifting and towing devices are used in pairs, the cable lifting and towing devices are shown in fig. 15.
The invention replaces the traditional rope lifting and dragging operation of fishermen when picking the shellfish, so that the main picking work is finished above the deck, and the physical consumption of workers is greatly reduced. Meanwhile, continuous operation can be realized in the mechanized operation, so that the operation time is greatly saved, and the working efficiency is improved. Except for the operation of seedling distribution and harvesting of the long-cable shellfish culture raft frame, the invention can be applied to the working condition of lifting and dragging a single cable on the water surface.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. The utility model provides a shellfish raft culture hawser promotes pulls device which characterized in that:
comprises a column (1) arranged on the side of a floating pontoon, a sliding seat (3) sliding along the column (1), and a winch (4) fixed on the column;
a rotatable grooved pulley (7) is fixed on the sliding seat (3), the grooved pulley (7) protrudes out of the side, and a pulley body of the grooved pulley (7) is parallel to the side;
the grooved pulley (7) is provided with a power source (11) for driving the grooved pulley to rotate;
the rope of the winch (4) is fixedly connected with the sliding seat (3) positioned below the rope.
2. A raft culture cable lifting and towing device for shellfish as claimed in claim 1, wherein: the upright post (1) is a long rod with a square cross section and is fixed on the floating pontoon through an upright post base (2), and a plurality of through holes are arranged on the upright post (1) at intervals and used for positioning the sliding seat (3) at different heights.
3. A raft culture cable lifting and towing device for shellfish as claimed in claim 1, wherein: the winch is in a hand-operated type or has power drive.
4. A raft culture cable lifting and towing device for shellfish as claimed in claim 1, wherein: the section of the groove shape of the groove-surface wheel (7) is conical, and the lower part of the groove shape is provided with a rope clamping preventing plate (8) which is profiled with the section of the groove shape.
5. A raft culture cable lifting and towing device for shellfish according to claim 4, wherein: a speed reducer (5) is arranged below the sliding seat (3), and the speed reducer (5) is connected with a grooved pulley (7) through a shaft (6); the speed reducer (5) below is connected base (10), and base (10) front end installation anti-sticking fag end (8), anti-sticking fag end (8) are the trapezium structure, install the front end at base (10) to be located the lower part space in the type groove of grooved pulley (7).
6. A raft culture cable lifting and towing device for shellfish according to claim 5, wherein: and a deviation plate (9) is arranged on the outer side of the grooved wheel (7), and the deviation plate (9) is used for deviating the seedling rope (13) from the center of the grooved wheel (7) by a set distance when passing through the grooved wheel (7).
7. A raft culture cable lifting and towing device for shellfish according to claim 5, wherein: the power source (11) is a motor or a hydraulic motor, and drives the grooved wheel (7) to rotate through the speed reducer (5) and the shaft (6).
8. A raft culture cable lifting and towing device for shellfish as claimed in claim 1, wherein: the grooved wheel (7) is formed by combining single wheels with symmetrical structures, the main body of each single wheel is a groove inclined plane (71), each groove inclined plane (71) comprises an inclined plane with an oblique angle of 10-200, a plurality of grooves are uniformly distributed in the radial direction on each inclined plane, and the section of each groove can be one or more of a triangle, a rectangle and a trapezoid; the outer side of the groove inclined plane (71) is a plane end (72), and the plane end surface (72) is a vertical plane from the tail end of the groove profile to the hub of the groove profile wheel; the two single wheels are relatively attached and connected through a shaft (6) to form a groove of the grooved wheel (7); the single wheel is also provided with a chamfer surface (73), and the chamfer surface (73) is a chamfer of 30-60 degrees on the end surface of the wheel.
9. A raft culture cable lifting and towing device for shellfish according to claim 5, wherein: the deviation plate (9) comprises a central rectangular plate (91) and trapezoidal plates (92) at two sides, and the central rectangular plate (91) and the trapezoidal plates (92) at two sides form an angle of 140-160 degrees; the lower part of the deviation plate (9) is connected with an arc-shaped plate (93), and the arc-shaped plate (93) is bent towards the inner side.
10. A use method of a raft culture cable lifting and dragging device for shellfish is characterized in that: the shellfish raft culture cable lifting and towing device of claim 9, used alone or in pairs to enlarge the working space of personnel; the method comprises the following steps:
s1, installing the shellfish raft type culture cable lifting and dragging device on the side of the ship with the operation surface outward and close to a main cable (12) of a culture raft frame, rotating a winch (4) to release a steel wire, descending a sliding seat (3) to a low point, and lifting the main cable (12) into a groove surface wheel groove;
s2, rotating the winch (4) to tighten the steel wire to lift the sliding seat (3) to a required height, and inserting the bolt into the through holes of the upright post (1) and the sliding seat (3) for fixing; the main cable (12) is tensioned because of the load thereon;
s3, starting a power device (11) to drive a grooved wheel (7) to rotate, clamping a main cable (12) by a groove of the grooved wheel (7) and dragging the main cable through friction force, enabling the floating boat to move relatively under the relative action of the friction force, and sequentially lifting the main cable (12), a seedling rope (13) on the main cable, a culture cage (14) and a buoy (15) out of the sea and passing through the grooved wheel (7); the seedling rope (13) and the culture cage (14) are cut and harvested by workers or mechanical devices when the seedlings travel to the high position.
11. Use of the raft culture cable lifting and towing device for shellfish according to claim 9, wherein:
in step S3, when the weight drooping by gravity on the main cable (12) passes through the grooved pulley (7), the weight contacts the inclined surface (92) of the deviation plate (9), and the weight is pulled to the outer side of the rectangular plate (91) to bypass the grooved pulley (7) from the side, so that the friction dragging force of the groove to the main cable (12) is not influenced by the knot;
in the step S3, in the process of dragging the main rope (12), the main rope (12) is clamped in the wedge angle of the grooved wheel (7) by the adhesive on a certain point of the adhesive rope, the grooved wheel (7) rotates to form winding, and the anti-rope-clamping plate (8) forcibly pushes the clamped point open to restore the normal dragging state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095849.1A CN112913735A (en) | 2021-01-25 | 2021-01-25 | Raft type shellfish culture cable lifting and dragging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095849.1A CN112913735A (en) | 2021-01-25 | 2021-01-25 | Raft type shellfish culture cable lifting and dragging device |
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| CN112913735A true CN112913735A (en) | 2021-06-08 |
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| CN202110095849.1A Pending CN112913735A (en) | 2021-01-25 | 2021-01-25 | Raft type shellfish culture cable lifting and dragging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115176737A (en) * | 2022-08-15 | 2022-10-14 | 中国水产科学研究院渔业机械仪器研究所 | Seedling arranging and finished product harvesting device and method for long-seedling rope shellfish culture raft frame |
| CN115362964A (en) * | 2022-09-16 | 2022-11-22 | 中国水产科学研究院南海水产研究所 | Deep and open sea breeding method for pinctada maxima |
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|---|---|---|---|---|
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| CN111937821A (en) * | 2020-08-25 | 2020-11-17 | 中国水产科学研究院渔业机械仪器研究所 | Transverse-rope cultivated oyster harvesting device and method |
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