CN110313449B

CN110313449B - Automatic net hauler

Info

Publication number: CN110313449B
Application number: CN201910630958.1A
Authority: CN
Inventors: 陈少锋
Original assignee: Jinjiang Jiewei Machinery Manufacturing Co ltd
Current assignee: Jinjiang Jiewei Machinery Manufacturing Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2021-12-10
Anticipated expiration: 2039-07-12
Also published as: CN110313449A

Abstract

The invention relates to an automatic net hauler, which comprises at least one box seat, a power device fixed on the box seat, a main shaft fixed on the box seat, a net reeling component rotationally connected with the main shaft and used for reeling a purse net, a jaw clutch for stopping and butting the main shaft and the net reeling component, a power device used for driving the jaw clutch, a braking component used for reducing the rotating speed of the net reeling component and a shifting fork component used for controlling the clutch of the jaw clutch, wherein the net reeling component comprises a winding drum with a mounting hole, a clamping mechanism for clamping a rope penetrating from the mounting hole and a shifting lever for controlling the opening and closing of the clamping mechanism are arranged in the winding drum, the shifting lever penetrates through the net reeling component and falls into a tooth groove of the jaw clutch positioned on the net reeling component, the jaw clutch is used as a movement pivot, and the installation condition of the purse net and the braking condition of the net hauler of the clamping mechanism can be synchronously controlled while clutching, the operation is more convenient, accurate and intelligent.

Description

Automatic net hauler

Technical Field

The invention relates to the technical field of fishing equipment of marine fishery machinery, in particular to an automatic net hauler.

Background

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 No. CN207978750U discloses a five-wheel hydraulic seine net hauler, wherein four driving wheels are uniformly distributed in two rows and two columns on the front wall of a box body, a hydraulic motor power receiving disc is arranged at the center of the rear wall of the box body, a fifth wheel driving belt rear cover extending rightward is arranged on the right side of the rear wall of the box body, and a fifth wheel is arranged on the front wall of the fifth wheel driving belt rear cover; the edges of the fishing nets are sequentially arranged at the upper side edge of the upper right driving wheel, the lower side edge of the lower right driving wheel, the upper side edge of the upper left driving wheel, the lower side edge of the lower left driving wheel and the upper side edge of the fifth wheel; the middle of the front wall of the box body is provided with a longitudinal net blocking vertical rod, the right side of the box body is connected with a net blocking vertical roller, and the fishing net penetrates through a gap between the box body and the net blocking vertical roller.

The use of the net hauler is mainly divided into three stages, namely, the purse net is fixed and wound on the net hauler, the purse net is inconvenient to operate in guiding and fixing of the purse net in a multi-roller mode, the rope part of the purse net needs to be manually wound on the fifth wheel and is bound and fixed in the fixing process, and the stability is not high; secondly, the purse net is placed into the sea; thirdly, collecting the net, wherein the fifth wheel provides tension in the comparison file and winds the purse net, and other wheels or rollers form assistance to push the auxiliary net collection; however, in the process of collecting the net, the braking needs to be provided by relying on the braking resistance of the hydraulic motor, but the braking mode has large damage to the hydraulic motor, and the net collecting speed in different net collecting stages needs to be accurately regulated and controlled, so that the phenomenon that the net is collected too much due to inertia of the purse net after the hydraulic motor stops is avoided. In the first stage and the third stage of the use of the net hauler, the operation difficulty of the prior art is large and the reliability is not high.

Disclosure of Invention

The invention aims to provide an automatic net hauler, which has the advantages of convenience in operation and high reliability.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an automatic net hauler, includes at least one case seat, rotates the main shaft that connects in the case seat and is driven by hydraulic motor connection, rotates and connects in the main shaft that the main shaft is used for the receipts net subassembly of roll-up purse seine, with the dog clutch of main shaft and receipts net subassembly stop-spin butt joint, be used for driving the power device of dog clutch, be used for reducing the brake assembly of the rotational speed of receipts net subassembly and be used for controlling the fork assembly of dog clutch separation and reunion, receive the net subassembly including the reel that has the mounting hole, be equipped with the clamping mechanism of the rope that the centre gripping penetrated from the mounting hole and the driving lever of control clamping mechanism switching in the reel, the driving lever passes and receives the net subassembly and falls into the tooth's socket of the part that the axle sleeve of dog clutch and main shaft links to each other, power device is fixed in case seat 1.

By adopting the technical scheme, the purse net generally comprises the rope part, the sleeve net and the net containing body, when the purse net is loaded, the rope part of the purse net penetrates into the mounting hole, at the moment, the jaw clutch starts to be engaged, and in the engaging process, the tooth part of the clutch pushes away the shifting rod falling into the tooth socket, so that the clamping mechanism is controlled to clamp the rope part, and after the clamping, the hydraulic motor can be started to drive the net lifter to take up the net; when the net is to be collected, the clutch can be separated, then the braking component is used for carrying out rapid braking, or direct braking, or the combination of the two, the operation and the control are freely carried out according to the actual situation, and the inertia is well overcome.

The invention is further configured to: fixture includes first centre gripping subassembly, first centre gripping subassembly including the slide rail that is fixed in the reel inner wall, slide and connect in the frame that slides of slide rail, fixed or have the resistance slide connect in the slide rail bear the frame, two symmetries just articulate respectively in the clamping jaw that bears the frame and articulate in the arm that links of the one end that each clamping jaw kept away from the centre gripping position, the end fixing of driving lever has the shifting block, link the other end of arm and articulate respectively in the shifting block, the driving lever is fixed in the frame that slides, it forces the driving lever to reset to the first spring of tooth embedded clutch to be connected with between frame and the slide rail that slides.

By adopting the technical scheme, the sliding frame limits the moving direction of the deflector rod and keeps the moving stability of the deflector rod; when clamping is carried out, the deflector rod moves and simultaneously drives the connecting arm to move and swing, so that the clamping jaw is driven to rotate around a hinge joint of the clamping jaw and the bearing frame, and clamping of the clamping jaw is finished; after the clutch is disengaged, the first spring resets the shift lever, and the clamping of the clamping jaws is released.

The invention is further configured to: the bearing frame is connected with the sliding rail in a sliding manner, and a second spring which forces the clamping jaw to move along with the reset direction of the deflector rod is connected between the bearing frame and the sliding rail in a sliding manner; fixture includes second centre gripping subassembly, second centre gripping subassembly slides including the slide that is fixed in the reel inner wall, along the reel axial and connects in the driven piece of slide, slide and connect in slide and remove the rope piece that hinders that seals the mounting hole and transmit the wedge that hinders the rope piece with the slip of driven piece, the protrusion of driven piece is located the removal route of clamping jaw in the one end of slide.

Through adopting above-mentioned technical scheme, the second spring with can slide bear the movable structure that the frame constitutes has resistance, when the driving lever receives the promotion, when the driving lever drives the clamping jaw centre gripping, the clamping jaw can produce the slip of certain degree, the clamping jaw will continue to slide and begin to promote from the block removal after the clamping jaw is pressed from both sides tightly, then through the switching of wedge, it is outside outstanding to finally drive the rope blocking piece, totally or seal the mounting hole to a certain extent, thereby increase the fixed effect to the rope portion of purse seine, and make rope portion form crooked winding structure, if the purse seine receives great resistance suddenly, this kind of crooked winding structure or tighten up in the twinkling of an eye and provide the resistance, reduce the centre gripping load of clamping jaw, provide the fixed stability of rope portion.

The invention is further configured to: the rope blocking device is characterized in that a rope blocking hole for sliding connection of the rope blocking block is formed in the sliding seat, a reset groove extending along the sliding direction of the rope blocking block is formed in the inner wall of the rope blocking hole, a blocking portion is arranged on the side face of the rope blocking block, and a reset spring forcing the rope blocking block to retract into the rope blocking groove is arranged between the blocking portion and the reset groove.

By adopting the technical scheme, the reset spring pushes the rope blocking part, the wedge-shaped block and the driven block to reset when the shifting lever resets.

The invention is further configured to: the main shaft is respectively provided with two box seats and two groups of net collecting components by taking the radial section of the middle part as a symmetrical plane, and each net collecting component comprises a winding drum rotatably connected to the main shaft, an outer side plate fixed at one end of the winding drum close to the box seat and an inner side plate fixed at one end of the winding drum far away from the box seat and smaller than the outer side plate in diameter; 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; wherein 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 rope parts and the sleeve net of the purse net, when the two winding drums complete the sleeve net winding, the net accommodating part just reaches the diameter part of the inner side plate, the diameter of the outer side plate is larger than that of the inner side plate, and the two winding drums are equivalent to one winding drum at the moment, so that 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.

The invention is further configured to: the inner wall of reel is provided with the multichannel along the water drainage tank of axial extension, water drainage tank's the degree of depth is crescent to the one end that is close to the interior plate by the one end that is close to the case seat.

Through adopting above-mentioned technical scheme, will assemble to water drainage tank through the water of mounting hole or other gaps entering in the reel to assemble to and finally discharge between the interior plate through gravity and the centrifugal force effect of rotation in-process, keep inside dry, reduce the corruption.

The invention is further configured to: the shifting fork assembly comprises a second oscillating rod for driving the jaw clutch to be disengaged, a first connecting rod fixedly connected to one end of the second oscillating rod and a power structure for driving the second oscillating rod to rotate around the axis of the first connecting rod, and the first connecting rod is rotatably connected to the side wall of the box seat; the braking assembly comprises a braking structure for braking the net collecting assembly, a swing rod III for driving the braking structure, a connecting rod II fixed at one end of the swing rod III, a worm wheel fixed on the connecting rod II and a worm fixed at one end of the connecting rod I, wherein the connecting rod II is rotatably connected to the side wall of the box seat, 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 drive 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; brake to receiving the net subassembly when disconnection separation and reunion, it is more timely, more intelligent, more convenient to brake, and the rotation of stopping receiving the net subassembly before the net subassembly is received in the complete hank of purse seine end can reduce because of the tail end of purse seine fails the hank to receive, and the purse seine end is beaten the deck along with receiving the net subassembly and is caused the condition of purse seine damage.

The invention is further configured to: the jaw clutch comprises a first half clutch connected to the output end of the power device in a sliding manner and a second half clutch fixedly connected to the end face of the outer side plate; the peripheral side surface of the first half clutch is provided with an annular sliding chute; one end of the swing rod II, which is far away from the connecting rod I, is hinged with a sliding block which is connected to the sliding groove in a sliding manner, and the power structure comprises an air cylinder hinged to the side wall of the box base and a swing rod I hinged to a piston rod of the air cylinder; the first swing rod is fixedly connected to one end of the first connecting rod, the second swing rod is fixedly connected to the middle of the first connecting rod, and the rotating plane of the second swing rod is parallel to the rotating plane of the first swing rod.

By adopting the technical scheme, the first swing rod and the second swing rod rotate around the first connecting rod under the driving of the cylinder, the displacement direction of the sliding block is consistent with that of the second swing rod, and the sliding block can only slide along the sliding groove, so that the component force of the sliding block along the axial direction of the winding drum drives the first half clutch to be close to or far away from the second half clutch, and the butt joint and the separation of the jaw clutch are completed.

The invention is further configured to: the braking structure comprises a braking wheel fixed on the end surface of the outer side plate, 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, and 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 cylinder drives the first connecting rod to rotate, and when the jaw clutch is separated, the first connecting rod drives the second connecting rod to rotate, and the third oscillating rod drives one end of the brake piece 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 invention is further configured 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, the brake piece moves downwards to be in contact with the brake wheel to brake the net collecting assembly, the elastic deformation of the fixed arm is replaced by the deformation of the spring to realize the downward movement of the swing rod III pulling brake piece, 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.

In conclusion, the invention has the following beneficial effects:

1. the jaw clutch is used as a movement pivot, so that the installation condition of the clamping mechanism on the purse net and the braking condition of the net hauler can be synchronously controlled while clutching is carried out, and the operation is more convenient, accurate and intelligent;

2. the fixing of the purse net is kept, meanwhile, the resistance of the purse net to sudden increase of stress is increased, and the stability of the purse net in the net folding and releasing process is improved.

Drawings

Fig. 1 is an overall configuration diagram of a net hauler of embodiment 1;

FIG. 2 is a plan view of embodiment 1;

FIG. 3 is a schematic view of the internal structure of the net hauler according to embodiment 1;

FIG. 4 is a partially enlarged view at A of FIG. 3 of embodiment 1;

FIG. 5 is a structural view of a holding structure of embodiment 1;

FIG. 6 is a schematic structural view of a fork assembly of embodiment 1;

FIG. 7 is a schematic structural view of a brake assembly of embodiment 1;

FIG. 8 is a partially enlarged view at B of FIG. 7 of embodiment 1;

fig. 9 is an overall configuration diagram of the net hauler according to 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; 8. a clamping mechanism; 11. a first gear; 12. a second gear; 13. a shaft sleeve; 41. a reel; 411. mounting holes; 42. an outer panel; 43. an inner side plate; 44. collecting a net cover; 46. a blocking ring; 47. a rib; 471. transverse edges; 472. a first radial edge; 473. a second radial edge; 51. a first half clutch; 52. a second half clutch; 53. a chute; 54. a worm; 55. a tooth socket; 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 slider; 81. a deflector rod; 82. a first clamping assembly; 821. a slide rail; 822. a sliding frame; 823. a carrier; 824. a clamping jaw; 825. a connecting arm; 826. shifting blocks; 827. a first spring; 828. a second spring; 83. a second clamping assembly; 831. a slide base; 832. a driven block; 833. a wedge block; 834. a rope blocking block; 835. a rope blocking hole; 836. a reset groove; 367. a blocking portion; 368. a return spring.

Detailed Description

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

Example 1: an automatic net hauler, as shown in fig. 1 and 2, comprises a pair of box bases 1 fixed to a deck, a main shaft 3 (refer to fig. 3) fixed between the two box bases 1, a power device 2 fixed to the box bases 1, two net retracting components 4 rotatably connected to the main shaft 3 and used for retracting a purse net, a jaw clutch 5 used for transmitting torque of the power device 2 to the net retracting components 4, a shifting fork component 7 used for reducing the rotating speed of the net retracting components 4, a braking component 6 used for controlling the jaw clutch 5 to be disengaged, and a clamping mechanism 8 for mounting rope parts of the purse net; wherein power device 2, fork assembly 7 and brake assembly 6 all locate the lateral wall of case seat 1, and when fork assembly 7 separation jaw clutch 5, the braking of control brake assembly 6, fork assembly 7 control jaw clutch 5 meshing, and the rope portion of purse seine is held to fixture 8.

As shown in fig. 3, the power unit 2 may be an electric motor or a hydraulic motor, preferably a hydraulic motor; a first gear 11 and a second gear 12 meshed with the first gear 11 are arranged in the box base 1; the three hydraulic motors are fixedly arranged on the side wall, far away from the net collecting assembly 4, of the box base 1 in a penetrating manner and respectively drive a first gear 11 fixed on an output shaft of the box base, and the output shaft of each hydraulic motor penetrates through one end of the first gear 11 and is rotatably connected with a bearing seat arranged on the inner side wall of the box base 1 through a deep groove ball bearing; the second gear 12 is fixedly connected with a shaft sleeve 13 which is rotatably connected with the main shaft 3, the shaft sleeve 13 penetrates through the side wall of the box seat 1 and is connected with the box seat 1 through a double-row cylindrical roller bearing, and the shaft sleeve 13 is rotatably connected with the main shaft 3 through a sliding bearing; the hydraulic motor drives the shaft sleeve 13 to rotate around the main shaft 3 through the meshing of the first gear 11 and the second gear 12.

As shown in fig. 3, the net retracting assembly 4 comprises a winding drum 41 rotatably connected to the main shaft 3, an outer side plate 42 fixed to the winding drum 41 at an end close to the box base 1, an inner side plate 43 fixed to the winding drum 41 at an end far from the box base 1, and a net retracting sleeve 44 fixedly sleeved on the winding drum 41; the winding drum 41 is rotatably connected with the main shaft 3 through a pair of deep groove ball bearings, the net collecting sleeve 44 is respectively attached to the opposite surfaces of the winding drum 41 and the outer side plate 42, a plurality of convex ribs 47 (refer to fig. 1) extending to the radial side surface of the net collecting sleeve 44 along the axis of the winding drum 41 are arranged on the peripheral surface of the net collecting sleeve 44, and a rope ring 45 for tying a purse net is welded on the peripheral side surface of the net collecting sleeve 44; the diameter of the inner side plates 43 is smaller than that of the outer side plates 42, one of the inner side plates 43 is called a first inner side plate, the other inner side plate 43 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, and the outer edge of the first inner side plate is provided with an annular shielding ring 46 extending towards the outer edge of the second inner side plate; wherein the shielding ring 46 covers the outer peripheral side surface of the second inner side plate, the inner peripheral side surface of the shielding ring 46 is an inner conical surface, and the end surface of the shielding ring 46 is a large end opening of the inner conical surface. The inner wall of the drum 41 is provided with a plurality of drain grooves extending in the axial direction, and the depth of the drain grooves increases from the end near the tank base 1 to the end near the inner side plate 43.

Referring to fig. 3 and 4, the clamping mechanism 8 is disposed in the winding drum 41, and a shift lever 81 for controlling the opening and closing of the clamping mechanism 8 is correspondingly disposed, and the shift lever 81 passes through the net retracting assembly 4 and falls into the tooth groove 55 of the component of the jaw clutch connected to the shaft sleeve 13 of the main shaft 3. The clamping mechanism 8 includes a first clamping assembly 82 that directly clamps the rope and a second clamping assembly 83 that increases the rope wrap damping.

Referring to fig. 4 and 5, the first clamping assembly 82 includes a sliding rail 821 fixed on an inner wall of the winding drum 41, a sliding frame 822 slidably connected to the sliding rail 821, a bearing frame 823 slidably connected to the sliding rail 821, two clamping jaws 824 symmetrically and respectively hinged to the bearing frame 823, and a connecting arm 825 hinged to one end of each clamping jaw 824 away from the clamping portion, the shift lever 81 is fixed to the sliding frame 822, a shift block 826 is fixed to the bottom of the sliding frame 822, the other end of the connecting arm 825 is respectively hinged to the shift block 826, a first spring 827 forcing the shift lever 81 to return to the jaw clutch is connected between the sliding frame 822 and the sliding rail 821, and a second spring 828 forcing the clamping jaw 824 to move along with the return direction of the shift lever 81 is slidably connected between the bearing frame 823 and the sliding rail 821.

Referring to fig. 4 and 5, the second clamping assembly 83 includes a sliding seat 831 fixed on the inner wall of the winding drum 41, a driven block 832 slidably connected to the sliding seat 831 along the axial direction of the winding drum 41, a rope blocking block 834 slidably connected to the sliding seat 831 and moving to close the installation hole 411, and a wedge block 833 transmitting the sliding of the driven block 832 to the rope blocking block 834, wherein one end of the driven block 832 protruding out of the sliding seat 831 is located on the moving path of the clamping jaw 824. A rope blocking hole 835 for the rope blocking block 834 to slide and connect is arranged in the sliding seat 831, a reset groove 836 extending along the sliding direction of the rope blocking block 834 is arranged on the inner wall of the rope blocking hole 835, a blocking portion 367 is arranged on the side face of the rope blocking block 834, and a reset spring 368 forcing the rope blocking block 834 to retract into the rope blocking groove is arranged between the blocking portion 367 and the reset groove 836.

As shown in fig. 6, the dog clutch 5 includes a first clutch half 51 connected to the sleeve 13 by a pilot flat key and a second clutch half 52 fixedly connected to the end surface of the outer side plate 42; wherein, the peripheral side surface of the first half clutch 51 is provided with an annular chute 53, and the end surfaces of the teeth of the first half clutch 51 and the teeth of the second half clutch 52 are both provided with guide surfaces; 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. 6, the fork assembly 7 includes a cylinder 71 hinged to the outer side wall of the box base 1, 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 71 and the swing rod I72 form a power structure 70 for driving the swing rod II 73 to rotate around the axis of the connecting rod I74, the swing rod I72 is fixed at one end of the connecting rod I74, and the swing rod II 73 is fixed in the middle of the connecting rod I74; the first connecting rod 74 is located below the first half clutch 51, penetrates through a first supporting seat 75 which is fixed on the outer side wall of the box base 1 and extends towards the outer side plate 42, a sliding block 76 which is connected to the sliding groove 53 in a sliding mode is hinged to one end, away from the first connecting rod 74, of the second oscillating rod 73, the rotating plane of the second oscillating rod 73 is parallel to the rotating plane of the first oscillating rod 72, and the rotating directions of the first oscillating rod 73 and the second oscillating rod 73 are consistent.

As shown in fig. 7, the braking assembly 6 includes a braking wheel 61 fixed on the end surface of the outer plate 42, a brake block 62 wrapped around the circumferential side surface of the braking wheel 61, a third swing link 63 hinged to one end of the braking block 62, a second link 64 fixed to one end of the third swing link 63 and perpendicular to the first link 74, a worm wheel 65 fixed to the second link 64, and a fixing arm 66 arranged on the upper portion of the box base 1 and fixedly connected with the middle portion of the brake block 62; the braking wheel 61 and the brake pad 62 form a braking structure 60 for braking the net collecting component 4, the other end of the brake pad 62 is fixedly connected with a fixed frame 68 (refer to fig. 1) arranged on the outer side wall of the box base 1, the second connecting rod 64 is positioned below the first connecting rod 74 and penetrates through a second supporting seat 67 fixed on the outer side wall of the box base 1, the worm wheel 65 is meshed with the worm 54 arranged on the other end of the first connecting rod 74, and the worm wheel 65 and the worm 54 are both in left-handed rotation.

As shown in fig. 8, 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, installing the purse seine, and enabling the rope part of the purse seine to penetrate into the installation hole;

s2 starts the fork assembly 7, as shown in fig. 5 and 6, the piston rod of the cylinder 71 advances, the cylinder 71 makes the first link 74 far away from the outer side plate 42 via the first swing link 72, the first link 74 drives the third swing link 63 on the second link 64 via the worm gear 65 and the worm 54 of the second link 64, the rotation direction of the worm gear 65 is far away from the brake wheel 61, the third swing link 63 rotates upwards, the brake pad 62 is not pulled by the third swing link 63, the spring forces the brake pad 62 to move upwards, the brake pad 62 is far 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 swinging rod 73 to slide, and 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 close to the second half clutch 52. Meanwhile, the driving lever is pushed by the first half clutch, and the driving lever moves and simultaneously drives the connecting arm to move and swing, so that the clamping jaw is driven to rotate around a hinge point of the clamping jaw and the bearing frame, and clamping of the clamping jaw is completed; the deflector rod drives the clamping jaw centre gripping in, the clamping jaw can produce the slip of certain degree, and the clamping jaw will continue to slide and begin to promote from the block removal after the clamping jaw is pressed from both sides tightly, then through the switching of wedge, finally drives and hinders the outside salient of rope block, seals the mounting hole totally or to a certain extent, accomplishes the fixed to the rope portion.

S3, starting a hydraulic motor to realize the twisting and the folding of the purse net;

s4 when the tail end of the purse net is positioned on the deck and is not retracted into the net retracting sleeve 44, 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;

s5, stopping the rotation of the net retracting component 4, manually retracting the tail end of the purse net into the net retracting sleeve 44 by an operator, and completing the net lifting operation.

Example 2: as shown in fig. 9, the difference from embodiment 1 is that the rib 47 includes a transverse rib 471 uniformly distributed on the outer wall of the drum 41 in the circumferential direction and extending in the axial direction of the drum 41, a first radial rib 472 uniformly distributed on the outer side plate 42 in the circumferential direction and extending in the radial direction of the outer side plate 42, and a second radial rib 473 uniformly distributed on the inner side plate 43 in the circumferential direction and extending in the radial direction of the inner side plate 43; wherein the first radial rib 472 and the second radial rib 473 are respectively spaced apart from the transverse rib 471. The mounting hole 411 is provided with a recess formed with the transverse edge 471 and the spool 41. 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 of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. An automatic net hauler, characterized by: comprises at least one box seat (1), a main shaft (3) fixed on the box seat (1), a net reeling component (4) rotationally connected with the main shaft (3) and used for reeling a purse net, a jaw clutch (5) for stopping and butting the main shaft (3) and the net reeling component (4), a power device (2) used for driving the jaw clutch (5), a brake component (6) used for reducing the rotating speed of the net reeling component (4) and a shifting fork component (7) used for controlling the jaw clutch (5) to be clutched, wherein the net reeling component (4) comprises a winding drum (41) with a mounting hole (411), a clamping mechanism (8) for clamping a rope penetrating from the mounting hole (411) and a shifting lever (81) for controlling the clamping mechanism (8) to be opened and closed are arranged in the winding drum (41), the shifting lever (81) penetrates through the net reeling component (4) and falls into a tooth groove (55) of a part of the jaw clutch (5) connected with a shaft sleeve (13) of the main shaft (3), the power device (2) is fixed on the box base (1); the clamping mechanism (8) comprises a first clamping assembly (82), the first clamping assembly (82) comprises a sliding rail (821) fixed on the inner wall of the winding drum (41), a sliding frame (822) connected to the sliding rail (821) in a sliding mode, a bearing frame (823) connected to the sliding rail (821) in a fixed or resistant sliding mode, two clamping jaws (824) symmetrically hinged to the bearing frame (823) respectively, and connecting arms (825) hinged to one end, away from the clamping portion, of each clamping jaw (824), the shifting rod (81) is fixed to the sliding frame (822), shifting blocks (826) are fixed to the bottom of the sliding frame (822), the other ends of the connecting arms (825) are hinged to the shifting blocks (826) respectively, and a first spring (827) forcing the shifting rod (81) to reset to the jaw clutch (5) is connected between the sliding frame (822) and the sliding rail (821).

2. The automatic net hauler according to claim 1, wherein: the bearing frame (823) is connected with the sliding rail (821) in a sliding manner, and a second spring (828) which forces the clamping jaw (824) to move along the reset direction of the shifting lever (81) is connected between the bearing frame (823) and the sliding rail (821) in a sliding manner; the clamping mechanism (8) comprises a second clamping assembly (83), the second clamping assembly (83) comprises a sliding seat (831) fixed on the inner wall of the winding drum (41), a driven block (832) connected to the sliding seat (831) in a sliding mode along the axial direction of the winding drum (41), a rope blocking block (834) connected to the sliding seat (831) in a sliding mode and moving to close the installation hole (411) and a wedge-shaped block (833) transmitting the sliding of the driven block (832) to the rope blocking block (834), and one end, protruding out of the sliding seat (831), of the driven block (832) is located on a moving path of the clamping jaw (824).

3. The automatic net hauler according to claim 2, wherein: the rope blocking device is characterized in that a rope blocking hole (835) for the rope blocking block (834) to be connected in a sliding mode is formed in the sliding seat (831), a reset groove (836) extending in the sliding direction of the rope blocking block (834) is formed in the inner wall of the rope blocking hole (835), a blocking portion (367) is arranged on the side face of the rope blocking block (834), and a reset spring (368) forcing the rope blocking block (834) to retract into the rope blocking groove is arranged between the blocking portion (367) and the reset groove (836).

4. The automatic net hauler according to claim 1, wherein: the main shaft (3) is respectively provided with two box seats (1) and two groups of net collecting components (4) by taking the radial section of the middle part as a symmetrical plane, and each net collecting component (4) comprises a winding drum (41) rotatably connected to the main shaft (3), an outer side plate (42) fixed to one end, close to the box seat (1), of the winding drum (41) and an inner side plate (43) fixed to one end, far away from the box seats (1), of the winding drum (41) and smaller in 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 (46) which extends towards the second inner side plate (43) in an annular shape, and the shielding ring (46) covers the peripheral side surface of the second inner side plate (43); the inner peripheral side surface of the shielding ring (46) is an inner conical surface, and the end surface of the shielding ring (46) is a large-end opening of the inner conical surface.

5. The automatic net hauler according to claim 1, wherein: the inner wall of reel (41) is provided with the axial extension's of multichannel along water drainage tank, water drainage tank's degree of depth is by the one end that is close to case seat (1) to the one end that is close to interior plate (43) crescent.

6. The automatic net hauler according to claim 1, wherein: the shifting fork assembly (7) comprises a second swing rod (73) for driving the jaw clutch (5) to be in clutch, a first connecting rod (74) fixedly connected to one end of the second swing rod (73) and a power structure (70) for driving the second swing rod (73) to rotate around the axis of the first connecting rod (74), and the first connecting rod (74) is rotatably connected to the side wall of the box base (1); the braking assembly (6) comprises a braking structure (60) for braking the net collecting assembly (4), a swing rod III (63) for driving the braking structure (60), a connecting rod II (64) fixed at one end of the swing rod III (63), a worm wheel (65) fixed at the connecting rod II (64) and a worm (54) fixed at one end of the connecting rod I (74), wherein the connecting rod II (64) is rotatably connected to the side wall of the box base (1), and the worm wheel (65) is meshed with the worm (54).

7. The automatic net hauler according to claim 6, wherein: the jaw clutch (5) comprises a first half clutch (51) connected to the output end of the power device (2) in a sliding manner and a second half clutch (52) fixedly connected to the end face of the outer side plate (42); wherein the peripheral side surface of the first half clutch (51) is provided with an annular sliding chute (53); one end, far away from the connecting rod I (74), of the swing rod II (73) is hinged with a sliding block (76) connected to the sliding groove (53) in a sliding mode, and the power structure (70) comprises an air cylinder (71) hinged to the side wall of the box base (1) and a swing rod I (72) hinged to a piston rod of the air cylinder (71); the first swing rod (72) is fixedly connected to one end of the first connecting rod (74), the second swing rod (73) is fixedly connected to the middle of the first connecting rod (74), and the rotating plane of the second swing rod (73) is parallel to the rotating plane of the first swing rod (72).

8. The automatic net hauler according to claim 6, wherein: the braking structure (60) comprises a braking wheel (61) fixed on the end surface of the outer side plate (42), a brake block (62) wrapped around the peripheral side surface of the braking wheel (61), and a fixing arm (66) forcing the brake block (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), and the fixed arm (66) is arranged at the upper part of the box body and 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 automatic net hauler according to claim 8, wherein: the fixed arm (66) comprises an arm rod (662) fixed at the upper part of the box base (1) and a fixed rod (661) vertically penetrating 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).