CN210175088U - Purse seine net hauler - Google Patents

Abstract

The utility model relates to a purse seine net hauler, which comprises at least a pair of box seats, a power device arranged on the box seats, a main shaft rotationally connected between the adjacent box seats, at least one net retracting component rotationally connected with the main shaft and used for retracting the purse seine, a jaw clutch used for transmitting the torque of the power device to the net retracting component and a shifting fork component used for controlling the clutch of the jaw clutch; the end part of the main shaft penetrating through the side wall of the box seat is fixedly provided with a rope winding wheel, the main shaft is driven by at least one power device of one box seat to rotate, at least one jaw clutch is driven by the main shaft to rotate, the rope winding wheel can be added to the net hauler under the condition that the original function of the net hauler is not changed, and the function of the net hauler is diversified.

Description

Purse seine net hauler

Technical Field

The utility model relates to a fishing equipment technical field of ocean fishery machinery especially relates to a purse seine net hauler.

Background

The fishing machine can be divided into trawl, purse net, barbed net, ground trawl, net laying, fishing and whale-catching machines according to the fishing mode, in which the purse net operation utilizes long-strip-shaped or bag-shaped nets to surround fish group according to the characteristics of fishing object cluster, and forces the fish group to concentrate on fish-taking portion or net bag so as to attain the goal of fishing.

The net hauler is a fishing device belonging to marine machinery, is a general name of machinery for hauling a net from water to a ship, on a shore or on an ice surface by means of friction force between a power member and the net, and is widely applied to net hauling mechanical devices and the like in offshore production operations of rivers, lakes, oceans and fishing boats. Has the characteristics of reducing the labor intensity of workers, accelerating the net hauling speed, increasing the yield of fishes and shrimps and the like.

Chinese patent with publication number CN102501947A discloses a marine fishing single-ship bag purse seine net hauler, which is of a bilateral symmetry structure, wherein a horizontal main shaft traverses through gear reduction boxes at the left and right sides and is driven by a hydraulic motor; the middle shaft sleeve is fixedly connected with a driving claw of the jaw clutch; the shifting fork pulls out a driven claw which can be engaged with or separated from the jaw clutch which is coaxially arranged; the main shaft of the net hauler is of a fixed and non-rotating structure, and the transmission gear and the driving claw of the jaw clutch transmit power torque through the middle shaft sleeve sleeved on the main shaft in an empty way so as to control the transmission scheme of the left and right net releasing rollers of the main shaft net hauler sleeved on the same horizontal axis in an empty way, and the requirement that the left and right net releasing rollers of the net hauler arranged on the same main shaft can independently run can be met.

The prior art has the defects that the net hauler can only be used for rolling a purse net, and the function is too single; even if a rope winding wheel for winding ropes is added to increase the functionality of the net hauler, the main shaft of the net hauler is fixed, the actual rotating part is only a left net releasing roller and a right net releasing roller, if the rope winding wheel is arranged on the outer side or other positions of the net releasing rollers, the rope winding wheel cannot be implemented due to the structure of the net hauler, and the winding function of the rope winding wheel cannot be realized; even if the structure of this net hauler is changed makes rope sheave normal operating, thereby it influences the function of rolling purse seine originally because net hauler structure changes easily again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a purse seine net hauler increases the rope sheave for net hauler under the condition that does not change net hauler original function, makes net hauler function diversified.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a seine hauling machine comprises at least one pair of box seats, a power device arranged on the box seats, a main shaft rotationally connected between the adjacent box seats, at least one seine retracting component rotationally connected to the main shaft and used for retracting a seine, a jaw clutch used for transmitting the torque of the power device to the seine retracting component, and a shifting fork component used for controlling the jaw clutch to be disengaged; the end part of the main shaft, which penetrates out of the side wall of the box seat, is fixed with a rope winding wheel, the main shaft is driven to rotate by at least one power device of the box seat, and at least one jaw clutch is driven to rotate by the main shaft.

By adopting the technical scheme, the power device is started, and the main shaft is rotated by driving the first gear fixed on the main shaft, so that the rope winding wheel fixed at one end of the main shaft is driven, and the function of winding the rope by the rope winding wheel is realized; meanwhile, the clutch of the clutch jaw clutch is controlled by the shifting fork assembly, so that the running of the two net retracting assemblies is respectively controlled, and the original function of retracting the purse net is realized; the rope winding wheel is added to the net hauler under the condition that the original function of the net hauler is not changed, so that the function of the net hauler is diversified.

The utility model discloses further set up to: the main shaft is fixedly sleeved with a spline housing I, and the jaw clutch comprises a half clutch I sleeved on the spline housing I in a rotation stopping manner and a half clutch II fixed on the net collecting assembly.

By adopting the technical scheme, the power device drives the main shaft to rotate so as to drive the first half clutch sleeved on the spline sleeve to rotate, and the first half clutch and the second half clutch are driven to be meshed through the shifting fork assembly, so that the torque of the power device is transmitted to the net winding assembly, and the function of winding the purse net is completed; the spline housing is usually regarded as the carrier that slides that receives the half clutch of dynamic torque drive one, and this spline housing often is connected for relative rotation with the main shaft, nevertheless because the axial force that applies the spline housing when half clutch one slides easily leads to the spline housing to become flexible easily and produce the axial transmission at a certain degree to lead to the unstable condition of power transmission, then the utility model discloses in, adopt spline housing one and main shaft fixed connection, the emergence of reducible this condition.

The utility model discloses further set up to: the main shaft is sleeved with a second spline sleeve and a second gear which rotate relative to the main shaft, wherein the second gear is driven by the power device and drives the second spline sleeve to rotate, and the main shaft is sleeved with at least two net collecting assemblies which are driven by the first spline sleeve and the second spline sleeve respectively; the jaw clutch also comprises a first half clutch sleeved on the second spline sleeve in a rotation stopping manner and a second half clutch fixed on the net collecting assembly.

By adopting the technical scheme, the net collecting assembly is respectively driven by the spline housing I and the spline housing II, and the spline housing II and the gear II rotate relative to the main shaft, so that the normal net collecting function is prevented from being influenced by the rotation interference of different power devices; the independent operation of a plurality of net collecting components can be realized.

The utility model discloses further set up to: a first bearing is connected between the outer wall of the second spline sleeve and the box seat; the inner wall part of the net collecting assembly and the outer wall of the main shaft are connected with a second bearing, a third bearing is connected between the second bearing and the circumferential outer wall of the second spline sleeve, the axial end face of the outer ring of the third bearing is abutted against the axial end face of the outer ring of the second bearing, and the axial end face of the second spline sleeve is abutted against the axial end face of the inner ring of the second bearing.

By adopting the technical scheme, the bearing III and the bearing II isolate the main shaft from the spline housing II, but a small gap is kept, so that the stability is improved, meanwhile, the axial position of the spline housing II provides a support with small friction force, and the axial movement of the spline housing II is reduced while the friction is reduced.

The utility model discloses further set up to: the main shaft is fixedly sleeved with a second spline housing, the main shaft is sleeved with at least two net collecting assemblies which are respectively driven by the first spline housing and the second spline housing, and the jaw clutch further comprises a first half clutch sleeved on the second spline housing and a second half clutch fixed on the net collecting assemblies.

By adopting the technical scheme, the second spline housing is fixed on the main shaft, so that the situation that the second spline housing is easy to loosen and generates axial transmission to a certain degree due to the fact that the axial force applied to the second spline housing when the first half clutch slides can be reduced, and the power transmission is unstable; when only one power device is used for driving the main shaft to rotate, the synchronous operation or the independent operation of the plurality of net collecting assemblies can be realized.

The utility model discloses further set up to: the shifting fork assembly comprises a second swing rod driving the jaw clutch to be clutched, a first connecting rod fixedly connected to one end of the second swing rod and a power structure driving the first connecting rod to rotate; wherein one of the connecting rods is rotatably connected with the side wall of the box base.

By adopting the technical scheme, the second swing rod rotates around the first connecting rod under the driving of the power structure, so that the clutch of the jaw clutch is controlled, and the control on the running state of the net collecting assembly is realized.

The utility model discloses further set up to: the net winding device is characterized by further comprising a braking assembly, wherein the braking assembly comprises a braking structure used for braking the net winding assembly, a third swing rod driving the braking structure, a second connecting rod fixed at one end of the third swing rod, a worm wheel fixed at the second connecting rod and a worm fixed at one end of the first connecting rod, the second connecting rod is rotatably connected to the side wall of the box base, and the worm wheel is meshed with the worm.

By adopting the technical scheme, the swing rod II rotates around the connecting rod I under the driving of the power structure to control the jaw clutch to be separated, and the net collecting assembly is in a neutral gear rotating state; when the jaw clutch is separated, the first connecting rod is connected with the third oscillating rod through the worm gear and the worm to drive the third oscillating rod to rotate around the second connecting rod, so that a braking structure is driven, the rotating speed of the net collecting assembly is reduced, and the tail end of the purse net is manually wound to the net collecting assembly by an operator after the net collecting assembly stops rotating; the net collecting component is braked when the clutch is disconnected, braking is timely, rotation of the net collecting component is stopped before the net collecting component is completely reeled and collected at the tail end of the purse net, the situation that the purse net is damaged due to the fact that the tail end of the purse net cannot be reeled and collected and the tail end of the purse net hits a deck along with rotation of the net collecting component can be reduced.

The utility model discloses further set up to: the braking structure comprises a braking wheel fixed on the side wall of the net collecting component, a braking piece wrapped on the peripheral side surface of the braking wheel and a fixing arm forcing the braking piece to be far away from the braking wheel and having elasticity; one end of the brake piece is hinged with the swing rod III, the fixed arm is arranged at the upper part of the box body and is fixedly connected with the middle part of the brake piece; the other end of the brake block is fixedly connected with a fixed frame arranged on the side wall of the box base.

By adopting the technical scheme, the power structure drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to rotate and the third oscillating rod to rotate through the meshing of the worm gear and the worm, so that one end of the brake piece is driven to move downwards; the fixed arm is elastic, so that the fixed arm is elastically deformed under the pulling of the swing rod III, and the brake block moves downwards to be in contact with the brake wheel to brake the net collecting assembly; meanwhile, the transmission of torque to the net collecting assembly and the braking of the net collecting assembly are stopped; and the worm and gear cooperation has the auto-lock nature, when braking to the braked wheel, reducible because the braked wheel inertia is too big and lead to the condition that the braking piece breaks away from the braked wheel, promotes the braking effect.

The utility model discloses further set up to: the fixed arm comprises an arm rod fixed at the upper part of the box seat and a fixed rod vertically penetrating through one end of the arm rod; the arm rod is inverted L-shaped, one end of the arm rod extends to the upper side of the brake block, the fixed rod is fixedly connected with the middle of the brake block, one end, far away from the brake block, of the fixed rod is connected with a nut in a threaded mode, and a spring for forcing the fixed rod to move upwards is arranged between the nut and the arm rod.

By adopting the technical scheme, the swing rod III rotates to drive one end of the brake piece to move downwards to be contacted with the brake wheel, so that the net collecting assembly is braked, the elastic deformation of the fixed arm is replaced by the deformation of the spring to realize the downward movement of the brake piece pulled by the swing rod III, and the phenomenon that the fixed arm exceeds the elastic deformation range to form plastic deformation which cannot be automatically recovered due to too many braking times to influence the braking effect can be reduced.

The utility model discloses further set up to: the net winding assembly comprises a winding drum rotatably connected to the main shaft, an outer side plate fixed to one end, close to the box seat, of the winding drum, and an inner side plate fixed to one end, far away from the box seat, of the winding drum and smaller in diameter than the outer side plate; one of the inner side plates is called a first inner side plate, the other inner side plate is called a second inner side plate, the diameter of the first inner side plate is larger than that of the second inner side plate, the outer edge of the first inner side plate is provided with a section of shielding ring which extends towards the second inner side plate in an annular shape, and the shielding ring covers the peripheral side surface of the second inner side plate; the inner peripheral side surface of the shielding ring is an inner conical surface, and the end surface of the shielding ring is a large-end opening of the inner conical surface.

By adopting the technical scheme, the two winding drums respectively wind the two oversleeves of the purse net, when the two winding drums finish winding the oversleeves (the net is just up to the diameter of the inner side plate) and the diameter of the outer side plate is larger than that of the inner side plate, the two winding drums are equivalent to one winding drum at the moment, and the bag net can be wound; the blocking ring is used as the twisting surface of the bag net, so that the net can be prevented from being clamped due to the gap between the two inner side plates, and the net can be prevented from being damaged; the inner peripheral side surface of the blocking ring is an inner conical surface, a certain inclination scheduling is provided, seawater entering from a gap between the blocking ring and the outer edge of the second inner side plate is thrown away from the net lifter through the rotating centrifugal force and the inclination of the inner conical surface, and electrochemical corrosion caused by seawater retention is reduced.

To sum up, the utility model discloses following beneficial effect has:

1. the power device drives the rope winding wheel fixed at one end of the main shaft to run, so that the function of winding the rope by the rope winding wheel is realized; meanwhile, the clutch of the clutch jaw clutch is controlled by the shifting fork assembly, so that the running of the two net retracting assemblies is respectively controlled, and the original function of retracting the purse net is realized; under the condition of not changing the original function of the net hauler, a rope winding wheel is added to the net hauler, so that the function of the net hauler is diversified;

2. the shifting fork assembly can simultaneously separate the jaw clutch and the starting brake assembly through linkage between the worm gear and the worm, and combines two steps of operation into one step, so that the operation convenience is improved; braking is timely, can reduce because of the purse seine end fails to twist and receive, easily leads to the purse seine end to rotate along with receiving the net subassembly and hit the condition that the deck caused the purse seine to damage.

Drawings

FIG. 1 is a plan view of the whole structure of embodiment 1;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic structural view of a fork assembly of embodiment 1;

FIG. 4 is a schematic structural view of a brake assembly of embodiment 2;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6 is a schematic view of the entire structure of embodiment 2.

In the figure, 1, a box base; 2. a power plant; 3. a main shaft; 4. a net collecting component; 5. a dog clutch; 6. a brake assembly; 7. a fork assembly; 10. a rope winding wheel; 11. a third gear; 12. a first gear; 13. a spline housing I; 14. a second spline housing; 15. a fourth gear; 16. a second gear; 41. a reel; 42. an outer panel; 43. an inner side plate; 44. a blocking ring; 51. a first half clutch; 52. a second half clutch; 53. a chute; 54. a worm; 60. a braking structure; 61. a brake wheel; 62. a brake pad; 63. a swing rod III; 64. a second connecting rod; 65. a worm gear; 66. a fixed arm; 67. a second supporting seat; 68. a fixed mount; 661. fixing the rod; 662. an arm lever; 70. a power structure; 71. a cylinder; 72. a first swing rod; 73. a second swing rod; 74. a first connecting rod; 75. a first supporting seat; 76. a slide block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a seine hauling machine, as shown in fig. 1 and fig. 2, includes a pair of box bases 1, a power device 2, a main shaft 3 rotatably connected between the two box bases 1, two net retracting components 4 rotatably connected to the main shaft 3 and used for retracting seines, a dog clutch 5 used for transmitting torque of the power device 2 to the net retracting components 4, a brake component 6 used for reducing the rotation speed of the net retracting components 4, and a fork component 7 used for controlling the clutch of the dog clutch 5; the main shaft 3 penetrates through the side wall of the box base 1 and is rotatably connected with the box base 1 through a plurality of deep groove ball bearings, a spline sleeve I13 is fixedly sleeved on the main shaft 3, and two rope winding wheels 10 are respectively fixed at two ends of the main shaft 3; the fork assembly 7 controls the brake of the brake assembly 6 while disengaging the jaw clutch 5.

As shown in fig. 2, the net retracting assembly 4 comprises a winding drum 41 rotatably connected to the main shaft 3, an outer side plate 42 fixed to one end of the winding drum 41 close to the box base 1, and an inner side plate 43 fixed to one end of the winding drum 41 far from the box base 1; the drum 41 is rotatably connected with the main shaft 3 through a pair of deep groove ball bearings, the diameters of the inner side plates 43 are smaller than those of the outer side plates 42, one of the inner side plates 43 is called a first inner side plate 43, the other inner side plate 43 is called a second inner side plate 43, the diameter of the first inner side plate 43 is larger than that of the second inner side plate 43, and the outer edge of the first inner side plate 43 is provided with an annular shielding ring 44 extending towards the outer edge of the second inner side plate 43; wherein the shielding ring 44 covers the outer peripheral side surface of the second inner side plate 43, the inner peripheral side surface of the shielding ring 44 is an inner conical surface, and the end surface of the shielding ring 44 is a large end opening of the inner conical surface.

As shown in fig. 2, the power unit 2 may be an electric motor or a hydraulic motor, preferably a hydraulic motor; the hydraulic motor is fixed on the side wall of the box seat 1 far away from the net collecting component 4, an output shaft of the hydraulic motor penetrates through the side wall of the box seat 1 to reach the inner cavity of the box seat 1, a third gear 11 is fixed on the output shaft of the hydraulic motor in one box seat 1, and the third gear 11 is meshed and connected with a first gear 12 fixed on the main shaft 3; a fourth gear 15 is fixed on an output shaft of a hydraulic motor in the box base 1, the fourth gear 15 is meshed with a second gear 16 sleeved on the main shaft 3, the second gear 16 is rotatably connected with the main shaft 3 through a deep groove ball bearing, the main shaft 3 is sleeved with a second spline housing 14 which rotates relative to the main shaft 3, and the second gear 16 is fixedly connected with the second spline housing 14.

As shown in fig. 2, a first bearing 21 is connected between the outer wall of the second spline housing 14 and the box base 1; the inner wall part of the winding drum 41 and the outer wall of the main shaft 3 are connected with a second bearing 22, a third bearing 23 is connected between the inner wall part and the circumferential outer wall of the second spline housing 14, the axial end face of the outer ring of the third bearing 23 is abutted against the axial end face of the outer ring of the second bearing 22, and the axial end face of the second spline housing 14 is abutted against the axial end face of the inner ring of the second bearing 22.

As shown in fig. 2, the spline housing one 13 and the spline housing two 14 are respectively sleeved with a half clutch one 51, the end surface of the outer side plate 42 is fixed with a half clutch two 52, and the half clutch one 51 and the half clutch two 52 form a jaw clutch 5; an annular sliding groove 53 (refer to fig. 3) is formed in the peripheral side surface of the first half clutch 51; the fork assembly 7 drives the first half clutch 51 to approach or separate from the second half clutch 52 through the slide slot 53.

As shown in fig. 3, the fork assembly 7 includes a cylinder 71, a first swing rod 72 hinged to a piston rod of the cylinder 71, a second swing rod 73 driving the first half clutch 51 to slide along the axial direction, and a first connecting rod 74 serving as a rotation center of the first swing rod 72 and the second swing rod 73; the cylinder body of the cylinder 71 is hinged with the outer side wall of the box base 1, the cylinder 71 and the first swing rod 72 form a power structure 70 for driving the first connecting rod 74 to rotate, the first swing rod 72 is fixed at one end of the first connecting rod 74, and the second swing rod 73 is fixed in the middle of the first connecting rod 74; the first connecting rod 74 is located below the first half clutch 51, and horizontally penetrates through a first supporting seat 75 fixed on the outer side wall of the box base 1 and extending towards the outer side plate 42, and one end of the second swing rod 73 far away from the first connecting rod 74 is hinged with a sliding block 76 connected to the sliding groove 53 in a sliding manner.

As shown in fig. 4, the braking assembly 6 includes a braking wheel 61 fixed on the end surface of the outer side plate 42, a braking piece 62 wrapped around the circumferential side surface of the braking wheel 61, a third swing link 63 hinged to one end of the braking piece 62, a second connecting rod 64 fixed on one end of the third swing link 63, and a fixing arm 66 fixed on the upper top of the box base 1; the braking wheel 61 and the brake pad 62 form a braking structure 60 for braking the net collecting component 4, the middle section of the brake pad 62 is fixedly connected with a fixed arm 66, the other end of the brake pad 62 is fixedly connected with a fixed frame 68 (refer to fig. 3) arranged on the outer side wall of the box base 1, the second connecting rod 64 horizontally penetrates through a second supporting seat 67 fixed on the outer side wall of the box base 1, the second connecting rod 64 is fixedly sleeved with a worm wheel 65, and the worm wheel 65 is meshed with a worm 54 fixedly sleeved with the first connecting rod 74.

As shown in fig. 5, the fixing arm 66 includes an arm 662 fixed to an upper portion of the box holder 1, and a fixing rod 661 vertically inserted through one end of the arm 662; the arm rod 662 is in an inverted L shape, one end of the arm rod extends to the upper side of the brake block 62, the fixing rod 661 is fixedly connected with the middle of the brake block 62, one end, far away from the brake block 62, of the fixing rod 661 is in threaded connection with a nut, and a spring for forcing the fixing rod 661 to move upwards is arranged between the nut and the arm rod 662.

Working mode

S1 preparation work for fixing the wing portions of the seine to the two reels 41;

s2, starting a hydraulic motor, wherein the hydraulic motor drives the first driving gear 12 to rotate, so as to drive the rope winding wheels 10 at the two ends of the main shaft 3 to run; meanwhile, the hydraulic motor on the other side drives the gear II 16 through the gear II, so that the spline sleeve II 14 is driven to rotate;

s2 starts the fork assembly 7, as shown in fig. 3 and 4, the piston rod of the cylinder 71 advances, the cylinder 71 makes the first link 74 rotate away from the outer side plate 42 through the first swing link 72, the first link 74 drives the third swing link 63 on the second link 64 to rotate through the cooperation with the worm gear 65 and the worm 54 of the second link 64, the third swing link 63 rotates upward, the brake pad 62 loses the pulling force applied by the third swing link 63, the spring forces the brake pad 62 to move upward, the brake pad 62 moves away from the brake wheel 61, and the brake on the brake wheel 61 is released; the first connecting rod 74 rotates to drive the sliding block 76 on the second oscillating rod 73 to slide, the component force of the sliding block 76 along the axial direction of the winding drum 41 drives the first half clutch 51 to be meshed with the second half clutch 52, the torque of the hydraulic motor is transmitted to the net collecting component 4, and the twisting and the collecting of the purse net are realized;

s3 when the tail end of the purse net is positioned on the deck and is not retracted into the net retracting sleeve, the piston rod of the cylinder 71 is retracted, the jaw clutch 5 is separated, and the net retracting component 4 is in a neutral gear rotating state; the third swing rod 63 pulls the brake block 62 to move downwards to be in contact with the brake wheel 61, so that the net collecting assembly 4 is braked;

s4, stopping rotation of the net retracting component 4, manually retracting the tail end of the purse net into the net retracting sleeve by an operator, and completing net hauling operation.

Embodiment 2, as shown in fig. 6, differs from embodiment 1 in that a second spline housing 14 is fixed to the main shaft 3 in a sleeved manner, and a first half clutch 51 is sleeved on each of the first spline housing 13 and the second spline housing 14.

The second spline housing 14 is fixed on the main shaft 3, so that the situation that the second spline housing 14 is easy to loosen and generate axial transmission to a certain degree due to the fact that the axial force applied to the second spline housing 14 when the first half clutch 51 slides can be reduced, and the power transmission is unstable; the spline housing I13 and the spline housing II 14 are simultaneously fixed on the main shaft 3 and respectively used as sliding carriers of the jaw clutch 5, so that when only one hydraulic motor is used for driving the main shaft 3 to rotate, torques can be simultaneously or independently provided for the two net collecting assemblies 4, and the two net collecting assemblies 4 can be simultaneously or independently operated.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims (10)

1. A purse seine net hauler, characterized by: the net winding device comprises at least one pair of box seats (1), a power device (2) arranged on the box seats, a main shaft (3) rotatably connected between the adjacent box seats (1), at least one net winding component (4) rotatably connected to the main shaft (3) and used for winding a purse net, a jaw clutch (5) used for transmitting the torque of the power device (2) to the net winding component (4) and a shifting fork component (7) used for controlling the jaw clutch (5) to be in clutch; wherein the end part of the main shaft (3) penetrating through the side wall of the box seat (1) is fixed with a rope winding wheel (10), the main shaft (3) is driven to rotate by at least one power device (2) of one box seat (1), and at least one jaw clutch (5) is driven to rotate by the main shaft (3).

2. The purse seine hauling machine as claimed in claim 1, wherein the main shaft (3) is fixedly sleeved with a spline housing I (13), and the jaw clutch (5) comprises a half clutch I (51) sleeved on the spline housing I (13) in a rotation stopping manner and a half clutch II (52) fixed on the net collecting component (4).

3. The purse seine hauling machine as claimed in claim 2, wherein the main shaft (3) is sleeved with a second spline housing (14) and a second gear (16) which rotate relative to the main shaft (3) respectively, wherein the second gear (16) is driven by the power device (2) and the second gear (16) drives the second spline housing (14) to rotate, and the main shaft (3) is sleeved with at least two net collecting assemblies (4) which are driven by the first spline housing (13) and the second spline housing (14) respectively; the jaw clutch (5) also comprises a first half clutch (51) sleeved on the second spline housing in a rotation stopping manner and a second half clutch (52) fixed on the net collecting assembly (4).

4. The purse seine hauling machine as claimed in claim 3, wherein a first bearing (21) is connected between the outer wall of the second spline housing (14) and the box base (1); receive the inner wall part of net subassembly (4) and the outer wall of main shaft (3) and be connected with bearing two (22) to be connected with bearing three (23) between the circumference outer wall of spline housing two (14), the axial terminal surface of the outer lane of bearing three (23) is contradicted with the axial terminal surface of the outer lane of bearing two (22), the axial terminal surface of the inner circle of spline housing two (14) is contradicted with the axial terminal surface of the inner circle of bearing two (22).

5. The purse seine hauling machine as claimed in claim 2, wherein the main shaft (3) is fixedly sleeved with a second spline housing (14), the main shaft (3) is sleeved with at least two net retracting components which are respectively driven by the first spline housing (13) and the second spline housing (14), and the jaw clutch (5) further comprises a first half clutch (51) sleeved on the second spline housing and a second half clutch (52) fixed on the net retracting component (4).

6. The seine hauling machine as claimed in one of the claims 1 to 4, wherein the fork assembly (7) comprises a second swing rod (73) driving the jaw clutch (5) to be clutched, a first connecting rod (74) fixedly connected to one end of the second swing rod (73), and a power structure (70) driving the first connecting rod (74) to rotate; wherein the first connecting rod (74) is rotatably connected with the side wall of the box base (1).

7. The seine hauling machine as claimed in claim 5, further comprising a brake assembly (6), wherein the brake assembly (6) comprises a brake structure (60) for braking the net retracting assembly (4), a swing link three (63) for driving the brake structure (60), a link two (64) fixed to one end of the swing link three (63), a worm wheel (65) fixed to the link two (64), and a worm (54) fixed to one end of the link one (74), wherein the link two (64) is rotatably connected to a side wall of the box base (1), and the worm wheel (65) is engaged with the worm (54).

8. The purse net hauling machine as claimed in claim 7, wherein the braking structure (60) comprises a braking wheel (61) fixed on the side wall of the net collecting component (4), a braking piece (62) clasped on the peripheral side surface of the braking wheel (61) and a fixing arm (66) forcing the braking piece (62) to be far away from the braking wheel (61) and having elasticity; one end of the brake block (62) is hinged with the swing rod III (63), the fixed arm (66) is arranged at the upper part of the box body, and the fixed arm (66) is fixedly connected with the middle part of the brake block (62); the other end of the brake block (62) is fixedly connected with a fixed frame (68) arranged on the side wall of the box base (1).

9. The purse seine hauling machine as claimed in claim 8, wherein the fixed arm (66) comprises an arm rod (662) fixed on the upper part of the box base (1), and a fixed rod (661) vertically passing through one end of the arm rod (662); the arm rod (662) is inverted L-shaped, one end of the arm rod extends to the upper side of the brake block (62), the fixing rod (661) is fixedly connected with the middle of the brake block (62), one end, far away from the brake block (62), of the fixing rod (661) is in threaded connection with a nut, and a spring for forcing the fixing rod (661) to move upwards is arranged between the nut and the arm rod (662).

10. The seine hauling machine as claimed in one of the claims 1 to 4, wherein the net reeling assembly (4) comprises a reel (41) rotatably connected to the main shaft (3), an outer side plate (42) fixed to an end of the reel (41) close to the box base (1), and an inner side plate (43) fixed to an end of the reel (41) far from the box base (1) and having a smaller diameter than the outer side plate (42); one of the inner side plates (43) is called a first inner side plate (43), the other inner side plate (43) is called a second inner side plate (43), the diameter of the first inner side plate (43) is larger than that of the second inner side plate (43), the outer edge of the first inner side plate (43) is provided with a shielding ring (44) which extends towards the second inner side plate (43) in an annular shape, and the shielding ring (44) covers the peripheral side surface of the second inner side plate (43); the inner peripheral side surface of the shielding ring (44) is an inner conical surface, and the end surface of the shielding ring (44) is a large-end opening of the inner conical surface.

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