CN109421901B - Safety protection device for net hauler of stern-drag fishing boat - Google Patents
Safety protection device for net hauler of stern-drag fishing boat Download PDFInfo
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- CN109421901B CN109421901B CN201710776793.XA CN201710776793A CN109421901B CN 109421901 B CN109421901 B CN 109421901B CN 201710776793 A CN201710776793 A CN 201710776793A CN 109421901 B CN109421901 B CN 109421901B
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- tension spring
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000001012 protector Effects 0.000 abstract 2
- 230000009975 flexible effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/14—Fishing vessels
- B63B35/16—Trawlers
- B63B35/18—Trawlers adapted to dragging nets aboard
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/06—Hauling devices for the headlines
Abstract
The safety protector for net hauler of stern trawler mainly adopts eccentric gear mechanism, and utilizes the broken gravity balance to drive emergency stop switch to stop net hauler safety protector. It is composed of: the device is mainly characterized by comprising a positioning support seat, a torsion spring pretightening shaft, a torsion spring, a driving gear action shaft, a tension spring positioning shaft end nut, a carrier gear positioning shaft positioning piece, a bearing, a carrier gear, a positioning support column, a bias wheel action shaft sleeve I, a bias wheel positioning piece, a bias wheel action shaft sleeve II, a bias wheel action gear, a bias wheel and the like, and is characterized in that the device adopts the physical characteristics of the bias wheel, and utilizes the principle of breaking static balance: comprises a self-rescue touch mechanism, a dangerous case transmission mechanism, a net hauler scram and shut-down mechanism, the net hauler power source is turned off. The device has the advantages of simple structure, convenient installation and maintenance, high stability, adaptability to the severe environment of the operation of the stern-drag fishing boat, reasonable structure, flexible action, safety and reliability.
Description
The invention relates to a safety protection device of a net hauler of a stern-drag fishing boat, mainly adopts an eccentric gear mechanism, and the gear mechanism comprises a gear wheel, the gravity balance is broken to drive the emergency stop switch to stop, belonging to the field of fishery machinery.
Background art trawl fishing is a fishing method with good effect and wide application range, and can be called as the most important quantity in modern times. There are generally three modes of counter-towing, stern towing and board towing. However, marine fishing industry belongs to high-risk industry, the number of death people in fishing operation every year in the world is very high, and the safety problem of fishing operators is very prominent. The technical level of fishing vessels and fishing equipment in China is greatly different from that of developed countries in fishery, and the problems of serious lag in the research and development of the fishing vessel equipment, low automation degree, high failure rate of products and the like are mainly represented. The fishing operation is still mainly finished by manpower, the operation environment is severe, and a large number of industrial accidents exist. Wherein, if the net-lifting friction drum is exposed, the protective cover and the safety protection device are absent. The net hauler is mainly controlled by a net hauler, and once the net hauler is unexpected, if the net hauler cannot timely control, the hands and feet of a fishermen are entangled by the net rope and are difficult to get off and are pulled into the net hauler, the hands and feet are broken, and the life-threatening safety production accidents are serious.
The invention aims to overcome the bad working environment of the stern-drag fishing boat, reduce the serious production accident loss caused by the fact that the hands and feet of a net hauler are entangled by net ropes and are difficult to get off the body and then pulled into the net hauler to the minimum; the unexpected safety guarantee of crewman operation is improved. Develop a practical, economical and safe net hauler safety protection device of a stern-drag fishing boat. The physical characteristics of the unbalanced wheel are mainly adopted as the core, a reliable locking mechanism is adopted, and the power source of the net hauler is automatically shut down by utilizing a self-rescue touch mode, so that the defect that the operation of the existing net hauler has serious potential safety hazard is overcome.
The invention relates to a safety protection device for a net hauler of a stern-drag fishing boat, which comprises the following components: the positioning bracket seat 1, the torsion spring pretightening shaft 2, the torsion spring 3, the driving gear 4, the driving gear action shaft 5, the tension spring positioning shaft 6, the tension spring positioning shaft end nut 7, the driving gear action shaft positioning piece 8, the carrier gear positioning shaft sleeve 9, the carrier gear positioning shaft 10, the carrier gear positioning shaft positioning piece 11, the bearing 12, the carrier gear 13, the positioning bracket column 14, the offset wheel action shaft sleeve one 15, the offset wheel positioning piece 16, the offset wheel action shaft 17, the offset wheel action shaft sleeve two 18, the offset wheel action gear 19, the offset wheel 20, the rigid rod 21, the sleeve rod positioning piece 22, the torsion spring pretightening shaft sleeve rod 23, the support plus seat 24, the umbrella-shaped tooth one 25, the bearing 26, the umbrella-shaped tooth two 27, the bearing 28, the pull rod adjusting positioning piece 29, the pull rod adjusting lower seat 30, the pull rod adjusting spring 31 the pull rod adjusting upright 32, the pull rod adjusting upper seat 33, the pull rod adjusting positioning member 34, the telescopic rod 35, the sleeve rod positioning member 36, the touch rod height adjusting sleeve rod 37, the touch rod 38, the adjustable positioning bolt 39, the touch rod fine adjustment bolt 40, the locking tongue 41, the fastening screw 42, the adjusting screw 43, the tension spring 44, the locking positioning tension spring action shaft 45, the locking positioning member 46, the fastening screw 47, the adjusting spring lower seat 48, the adjusting spring upper seat 49, the first connecting plate 50, the second connecting plate 51, the connecting plate positioning member 52, the touch rod and connecting plate positioning and connecting member 53, the touch rod and connecting plate positioning and connecting member 54, the first key 55, the second key 56, the driving gear action shaft 57, the driving gear shaft positioning sleeve 58, the driving gear shaft positioning sleeve 59, the vertical shaft 60 and the like.
The invention provides a special device for preventing the loss of malignant production accidents which are pulled into a net hauler from being reduced to the minimum degree because a net hauler operation shipman is difficult to get off due to the fact that hands and feet are entangled by net ropes, and the net hauler safety protection device for the stern towing boat is characterized in that the physical characteristics of a unbalanced wheel are adopted, and the principle of static balance breaking is utilized: the net hauler emergency stop mechanism is a special device with a pure mechanical structure for stopping a net hauler power source. The device is strong in pleasure, simple in structure, easy to manufacture, convenient to install and overhaul, high in stability, long in service life, environment-friendly, economical and practical, can adapt to the severe environment of net hauling operation of the stern-drag fishing boat, and completely meets the requirements of net hauling operation safety guarantee of the existing stern-drag fishing boat.
Drawings
FIG. 1 is a front view of the net hauler safety device of the stern-drag fishing boat
FIG. 2 is a right side view of the net hauler safety device of the stern-drag fishing boat
FIG. 3 is a left side view of the net hauler safety device of the stern-drag fishing vessel
FIG. 4 is a top view section A-A of the net hauler safety protection device of the stern-drag fishing boat
FIG. 5 is a section B-B of the top view of the net hauler safety device of the stern-drag fishing vessel
FIG. 6 is a top view C-C section of the net hauler safety device of the stern-drag fishing vessel
Fig. 1: 1. the positioning bracket seat 2, the torsion spring pretightening shaft 3, the torsion spring 4, the driving gear 5, the driving gear acting shaft 6, the tension spring positioning shaft 7, the tension spring positioning shaft end nut 8, the driving gear acting shaft positioning member 9, the carrier gear positioning shaft sleeve 10, the carrier gear positioning shaft 11, the carrier gear positioning member 12, the bearing 13, the carrier gear 14, the positioning bracket column 15, the offset wheel acting shaft sleeve one 16, the offset wheel positioning member 17, the offset wheel acting shaft 18, the offset wheel acting shaft sleeve two 19, the offset wheel acting gear 20, the offset wheel 21, the rigid rod 22, the sleeve rod positioning member 23, the torsion spring pretightening shaft sleeve rod 24, the sub-supporting bracket seat 25, the umbrella-shaped tooth one 26, the bearing 27, the umbrella-shaped tooth two 28, the bearing 29, the pull rod adjusting positioning member 30, the pull rod adjusting lower seat 31, the pull rod adjusting spring 32, the pull rod adjusting upright 33, the pull rod adjusting upper seat 34, the pull rod adjusting positioning member 35, the telescopic rod 36, the sleeve rod positioning member 37, the touch rod height adjusting sleeve 38, the touch rod 40, the touch rod one key 55, the touch rod 55, the second key 60 and the vertical shaft 60.
Fig. 2:1 positioning bracket seat 2, torsion spring pre-tightening shaft 4, driving gear 5, driving gear action shaft 45, locking piece tension spring action shaft 44, tension spring 43, adjusting screw 46, locking positioning piece 6, tension spring positioning shaft 13, bridging gear 14, positioning bracket column 10, bridging gear positioning shaft 17, offset wheel action shaft 40, touch lever fine adjustment bolt 38, touch lever 20, offset wheel 7, tension spring positioning shaft positioning nut 47, fastening screw 29, pull lever adjusting positioning piece 30, pull lever adjusting lower seat 48, adjusting spring lower seat 31, pull lever adjusting spring 32, pull lever adjusting upright 49, adjusting spring upper seat 33, pull lever adjusting upper seat 34, pull lever adjusting positioning piece 36, sleeve positioning piece 50, first connecting plate 51, second connecting plate 52, connecting plate positioning piece 53, touch lever and connecting plate positioning and connecting piece 40, touch lever fine adjustment bolt 54 and connecting plate positioning and connecting piece.
Fig. 3: 1. the positioning bolts can be adjusted by the positioning bracket seat 47, the fastening screw 14, the positioning bracket column 38, the touch rod 20, the offset wheel 19, the offset wheel acting gear 17, the offset wheel acting shaft 10, the carrier gear positioning shaft 43, the adjusting screw 44, the tension spring 6, the tension spring positioning shaft 42, the fastening screw 5, the driving gear acting shaft 41, the locking tongue 4, the driving gear 2 and the torsion spring pre-tightening shaft 39.
Fig. 4: 19. the weight wheel acting gear 6, the tension spring positioning shaft 16, the weight wheel positioning piece 17, the weight wheel acting shaft 18, the weight wheel acting shaft sleeve II 44, the tension spring 14, the positioning support column 1, the positioning support seat 20, the weight wheel 15, the weight wheel acting shaft sleeve I2, the torsion spring pretightening shaft 7, the tension spring positioning shaft positioning nut 22, the sleeve rod positioning piece 21, the rigid rod 24, the support seat 38, the touch rod 51, the joint plate II 50, the joint plate I54, the touch rod and joint plate positioning and connecting piece 52, the joint plate positioning piece 53, the touch rod and joint plate positioning and connecting piece.
Fig. 5: 13. the gear wheel 11, the gear wheel positioning member 12, the bearing 7, the tension spring positioning shaft positioning nut 9, the gear wheel positioning shaft sleeve 10, the gear wheel positioning shaft 44, the tension spring 14, the positioning support post 46, the locking positioning member 1, the positioning support seat 22, the loop bar positioning member 21, the rigid bar 24, the sub support seat 38, the touch bar 51, the second link plate 50, the first link plate 54, the touch bar and link plate positioning and connecting member 52 and the touch bar and link plate positioning and connecting member 53.
Fig. 6: 4. the driving gear 5, the driving gear acting shaft 57, the driving gear acting shaft sleeve 6, the tension spring positioning shaft 44, the tension spring 1, the positioning bracket seat 46, the locking positioning piece 45, the locking positioning tension spring acting shaft 8, the driving gear acting shaft positioning piece 7, the tension spring positioning shaft positioning nut 22, the sleeve positioning piece 21, the rigid rod 24, the sub bracket seat 38, the touch rod 51, the second connecting plate 50, the first connecting plate 54, the touch rod and connecting plate positioning piece 52, the touch rod and connecting plate positioning piece 53, the first driving gear shaft positioning sleeve 59 and the second driving gear shaft positioning sleeve.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, 2, 3, 4, 5 and 6, the net hauler safety protection device of the stern-drag fishing boat is composed of: positioning bracket seat (1), torsion spring pretightening shaft (2), torsion spring (3), driving gear (4), driving gear action shaft (5), tension spring positioning shaft (6), tension spring positioning shaft end nut (7), driving gear action shaft positioning piece (8), gap gear positioning shaft sleeve (9), gap gear positioning shaft (10), gap gear positioning shaft positioning piece (11), bearing (12), gap gear (13), positioning bracket column (14), bias wheel action shaft sleeve I (15), bias wheel positioning piece (16), bias wheel action shaft (17), bias wheel action shaft sleeve II (18), bias wheel action gear (19), bias wheel (20), rigid rod (21), sleeve rod positioning piece (22), torsion spring pretightening shaft sleeve rod (23), sub-supporting seat (24), bevel gear I (25), bearing (26), bevel gear II (27), bearing (28), pull rod adjusting positioning piece (29), pull rod adjusting lower seat (30), pull rod adjusting spring (31), pull rod vertical rod adjusting rod (32), pull rod adjusting upper seat (33), pull rod adjusting piece (34), telescopic rod (37) and telescopic sleeve positioning piece (37) are positioned at a certain height, the adjustable positioning bolt (39), a touch rod fine adjustment bolt (40), a locking tongue (41), a fastening screw (42), an adjusting screw (43), a tension spring (44), a locking piece tension spring action shaft (45), a locking positioning piece (46), a fastening screw (47), an adjusting spring lower seat (48), an adjusting spring upper seat (49), a first connecting plate (50), a second connecting plate (51), a connecting plate positioning piece (52), a touch rod and connecting plate positioning and connecting piece (53), a touch rod and connecting plate positioning and connecting piece (54), a driving gear action shaft sleeve (57), a driving gear shaft positioning sleeve I (58), a driving gear shaft positioning sleeve II (59) and a vertical shaft (60); wherein the bracket seat (1) and the positioning bracket column (14) form a net hauler safety protection device body of the stern-drag fishing boat; the bracket seat (1) is provided with tension spring positioning shafts (6), and two ends of each tension spring positioning shaft end nut (7) are positioned with the bracket seat (1) and then are provided with adjusting screws (43); the torsion spring pre-tightening shaft (2) is sequentially provided with a torsion spring (3) and a locking tongue (41) with an adjustable positioning bolt (39), a fastening screw (42) and a fastening screw (47), and then is arranged in the bracket seat (1), the locking tongue (41) is positioned on the torsion spring pre-tightening shaft (2) through the fastening screw (42), and then the bracket seat (1) and the torsion spring pre-tightening shaft (2) are adjusted through the adjustable positioning bolt (39) and the fastening screw (47), so that a certain spring pre-tightening force is kept between the bracket seat (1) and the torsion spring pre-tightening shaft (2); the locking positioning piece (46) with the tension spring positioning shaft (6) is sequentially arranged in the bracket seat (1) and positioned with the bracket seat (1) by adopting the positioning piece (8) of the driving gear action shaft; the two ends of the tension spring positioning shaft (6) are sequentially provided with tension spring positioning shaft end nuts (7) for adjusting and positioning, after one end face of a locking positioning piece (46) contacts with one end face of a previously installed locking tongue (41) for main positioning and locking, a torsion spring (3) is hung between the tension spring positioning shaft (6) and a tension spring acting shaft (45) of the locking piece to enable the tension spring positioning shaft and the tension spring acting shaft to have certain elastic pretightening force, and the position required by the locking positioning piece (46) is adjusted through adjusting an adjusting screw (43) arranged on a bracket seat (1) to form a closing mechanism; a driving gear action shaft (5) is provided with a driving gear action shaft sleeve (57) and a driving gear (4) positioned by adopting a seam aligning screw or other positioning elements and the driving gear action shaft (5), and a positioning support column (14) is arranged on the positioning support seat (1); the carrier gear (13) which is provided with the bearing (12) is arranged and positioned on the bracket column (14) through the carrier gear positioning shaft sleeve (9) and the carrier gear positioning shaft (10) and the carrier gear positioning shaft positioning piece (11) to be meshed with the driving gear (4); the eccentric wheel (20) and the eccentric wheel acting shaft (17) adopt seam aligning screws to be meshed with the carrier gear (13) on the positioning support column (14) through the eccentric wheel acting shaft sleeve I (15) and the eccentric wheel acting shaft sleeve II (18) by adopting positioning modes such as seam aligning screws for positioning and mounting the eccentric wheel acting gear (19); the unbalanced wheel acting gear (19) is fixedly connected with the on-board emergency stop switch element to form an emergency transmission mechanism; the sub-support base (24) is provided with a bearing (26), a rigid rod (21), a key II (56), an umbrella-shaped tooth II (27), a vertical shaft (60), a bearing (28), a key I (55), an umbrella-shaped tooth I (25) and a vertical shaft (60) respectively provided with a pull rod adjusting lower base (30), an adjusting spring lower base (48), a pull rod adjusting spring (31), an adjusting spring upper base (49), two pull rod adjusting locating pieces (34), a pull rod adjusting upper base (33), a pull rod adjusting locating piece (29) and a pull rod adjusting locating piece (34) respectively provided with a telescopic rod (35) in a sleeved mode, a touch rod height adjusting sleeve rod (37) is arranged at the upper end of the telescopic rod (35), a first connecting plate (50) and a second connecting plate (51) are respectively arranged at the upper end of the telescopic rod, the first connecting plate (50) and the second connecting plate (51) are respectively connected with a touch rod (38) through a connecting rod locating piece (52), a touch rod and a connecting piece (53) and a connecting plate locating piece (54), and the touch rod (38) can be horizontally and vertically adjusted according to requirements, and the horizontal and vertical states can be adjusted through the telescopic rod (35, and the fine adjustment bolt can be adjusted. The device comprises a pull rod adjusting vertical rod (32), a telescopic rod (35), a sleeve rod positioning piece (36), a touch rod height adjusting sleeve rod (37), a touch rod (38), an adjustable positioning bolt (39), a touch rod fine adjustment bolt (40) and a touch mechanism. The three parts are perfectly combined to form the net hauler safety protection device of the stern-drag fishing boat.
The application method of the invention comprises the following steps:
the stern fishing boat has tens or tens of meters, and a plurality of touching mechanisms can be arranged according to the requirement as shown in fig. 1. When a fishing boat is pulled to a net hauler to encounter dangerous situations because hands and feet of the fishing boat are entangled by net ropes and are difficult to get off, the fishing boat can drive the torsion spring pre-tightening shaft sleeve rod (23) to rotate by touching the touch rod (38) through the touch rod height adjusting sleeve rod (37), the vertical shaft (60), the key I (55), the umbrella-shaped tooth I (25), the driving umbrella-shaped tooth II (27), the key II (56) and the rigid shaft (21) to drive the torsion spring pre-tightening shaft (2) to drive the locking tongue (41) to be separated from contact with the locking positioning piece (46). The meshing position of the driving gear (4) and the carrier gear (13) is caused to balance static pressure removal, and the heavy wheel (20) is caused to rotate anticlockwise under the gravity action of the heavy wheel (20) to drive the emergency stop switch of the net hauler to stop the power source of the net hauler so as to achieve the function of protecting the life safety of a crew.
Claims (4)
1. The safety protection device of net hauler of stern trawler includes: the positioning support seat (1) and the positioning support column (14) form a net hauler safety protection device body of the stern-drag fishing boat; a tension spring positioning shaft (6) is arranged in the positioning support seat (1), and adjusting screws (43) are arranged at the two ends of the positioning support seat after the positioning support seat (1) and a tension spring positioning shaft end nut (7) are adopted; the torsion spring pre-tightening shaft (2) is sequentially provided with a torsion spring (3) and an adjustable positioning bolt (39), a fastening screw I (42) and a locking tongue (41) with a fastening screw II (47) are arranged in the positioning support seat (1), the locking tongue (41) is positioned on the torsion spring pre-tightening shaft (2) at a proper position through the fastening screw I (42), and the positioning support seat (1) and the torsion spring pre-tightening shaft (2) are adjusted through the adjustable positioning bolt (39) and the fastening screw II (47), so that a certain elastic pre-tightening force is kept between the positioning support seat (1) and the torsion spring pre-tightening shaft (2); the locking positioning piece (46) of the tension spring positioning shaft (6) is arranged in the positioning support seat (1), and the positioning piece (8) and the positioning support seat (1) are positioned by adopting a driving gear to act on the shaft positioning piece; after tension spring positioning shaft nuts (7) are arranged at two ends of a tension spring positioning shaft (6) to adjust and position, a locking positioning piece (46) is contacted with one end face of a previously-arranged locking tongue (41) to be positioned and locked, a tension spring (44) is hung between the tension spring positioning shaft (6) and a tension spring acting shaft (45) of the locking positioning piece to enable certain elastic pretightening force between the tension spring positioning shaft and the tension spring acting shaft, and an adjusting screw (43) on an adjusting positioning support seat (1) is used for adjusting the locking positioning piece (46) to a required position to form a closing mechanism; a driving gear action shaft sleeve (57) and a driving gear (4) positioned by adopting a seam aligning screw and the driving gear action shaft (5) are arranged on the driving gear action shaft (5), the driving gear action shaft (5) penetrates into a positioning support seat (1) and then is provided with a driving gear shaft positioning sleeve I (58), a locking positioning piece (46) and a driving gear shaft positioning sleeve II (59), and the driving gear action shaft (5) penetrates through the positioning support seat (1) and then is provided with a driving gear action shaft positioning piece (8); on the positioning support seat (1) installing a positioning support column (14); the carrier gear (13) is provided with a bearing (12), and is meshed with the driving gear (4) through a carrier gear positioning shaft sleeve (9), a carrier gear positioning shaft (10) and a carrier gear positioning shaft positioning piece (11) which are arranged on a positioning support column (14); the device also comprises a bias wheel positioning piece (16), a bias wheel (20) and a bias wheel acting shaft (17) are positioned by adopting a seam aligning screw or a welding positioning mode, a bias wheel acting gear (19) is arranged by adopting a seam aligning screw positioning mode through a bias wheel acting shaft sleeve I (15) and a bias wheel acting shaft sleeve II (18), meshing with the carrier gear (13) on the positioning support column (14); the unbalanced wheel acting gear (19) is fixedly connected with the on-board emergency stop switch element to form an emergency transmission mechanism; the sub-support adding seat (24) is provided with a first bearing (26), a rigid rod (21), a second key (56), an umbrella-shaped tooth (27), a vertical shaft (60), a second bearing (28), a first key (55) and an umbrella-shaped tooth (25), the vertical shaft (60) is provided with a pull rod adjusting lower seat (30), an adjusting spring lower seat (48), a pull rod adjusting spring (31), an adjusting spring upper seat (49), a pull rod adjusting positioning piece II (34), a pull rod adjusting upper seat (33) and a pull rod adjusting positioning piece I (29), the telescopic rod (35) is arranged, the telescopic rod (35) is sleeved with a touch rod height adjusting sleeve rod (37), the upper end of the telescopic rod (35) is respectively provided with a first connecting plate (50) and a second connecting plate (51), the first connecting plate (50) and the second connecting plate (51) are respectively connected with a touch rod (38) through a connecting plate positioning piece I (53) and a touch rod and a connecting plate positioning connecting piece II (54), and the touch rod (38) can be adjusted horizontally and vertically according to requirements, and the horizontal and vertical states can be adjusted by a fine-tuning bolt (40); the pull rod adjusting vertical rod (32), the telescopic rod (35), the sleeve rod positioning piece (36), the touch rod height adjusting sleeve rod (37), the touch rod (38), the adjustable positioning bolt (39) and the touch rod fine adjustment bolt (40) form a touch mechanism; the safety protection device of the net hauler of the stern-drag fishing boat is formed.
2. The net hauler safety device of the stern-drag boat according to claim 1, wherein: the weight-bias wheel (20) adopts a partially hollow structure.
3. The net hauler safety device of the stern-drag boat according to claim 1, wherein: the driving gear action shaft (5) is provided with a driving gear (4) and a driving gear action shaft sleeve (57), the driving gear action shaft (5) penetrates into the positioning support seat (1) and then is provided with a driving gear shaft positioning sleeve I (58), a locking positioning piece (46) and a driving gear shaft positioning sleeve II (59), and the driving gear action shaft (5) penetrates through the positioning support seat (1) and then is provided with a driving gear action shaft positioning piece (8).
4. The net hauler safety device of the stern-drag boat according to claim 1, wherein: after the tension spring positioning shaft (6) is installed at the rear end of the positioning support seat (1), tension spring positioning shaft end nuts (7) are installed at the rear end of the positioning support seat (1), after the locking positioning piece (46) is in contact positioning locking with one end face of a locking tongue (41) installed previously, a tension spring (44) is hung between the tension spring positioning shaft (6) and the action shaft (45) of the locking piece tension spring to enable certain elastic pretightening force between the tension spring positioning shaft and the locking piece tension spring action shaft to be achieved, and the locking positioning piece (46) is adjusted by adjusting an adjusting screw (43) installed on the positioning support seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776793.XA CN109421901B (en) | 2017-08-21 | 2017-08-21 | Safety protection device for net hauler of stern-drag fishing boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776793.XA CN109421901B (en) | 2017-08-21 | 2017-08-21 | Safety protection device for net hauler of stern-drag fishing boat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109421901A CN109421901A (en) | 2019-03-05 |
| CN109421901B true CN109421901B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710776793.XA Active CN109421901B (en) | 2017-08-21 | 2017-08-21 | Safety protection device for net hauler of stern-drag fishing boat |
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| Country | Link |
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| CN (1) | CN109421901B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110720439B (en) * | 2019-09-16 | 2021-08-20 | 浙江省海洋水产研究所 | Take class gill net hauler of sensor structure |
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| CN2529818Y (en) * | 2002-04-02 | 2003-01-08 | 张桂珍 | Safety protector of net hauler |
| CN201484631U (en) * | 2009-09-01 | 2010-05-26 | 浙江海洋学院 | Safety protection device of fishing boat net hauler |
| CN101913414A (en) * | 2010-01-14 | 2010-12-15 | 浙江海洋学院 | Clutch protective device for net hauler of fishing boat |
| CN102524201A (en) * | 2010-10-28 | 2012-07-04 | 船舶油压技研株式会社 | Net hauler |
| CN102501947A (en) * | 2011-10-10 | 2012-06-20 | 中国水产科学研究院渔业机械仪器研究所 | Marine fishing single ship bag seine net hauler |
| CN104554641A (en) * | 2015-01-05 | 2015-04-29 | 中国水产科学研究院渔业机械仪器研究所 | Hauling device for fishing of fishing boat |
| CN204846305U (en) * | 2015-07-09 | 2015-12-09 | 史振荣 | Fishing boat net hauler pulls out net device with automatic |
| CN207550436U (en) * | 2017-08-21 | 2018-06-29 | 浙江海洋大学 | Stern drags safety protection device of fishing boat net hauler |
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| CN109421901A (en) | 2019-03-05 |
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