CN109911717B - Fishing net rolling gear selection mechanism, anti-abrasion-tooth fishing net rolling device and fishing boat - Google Patents
Fishing net rolling gear selection mechanism, anti-abrasion-tooth fishing net rolling device and fishing boat Download PDFInfo
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- CN109911717B CN109911717B CN201910235782.XA CN201910235782A CN109911717B CN 109911717 B CN109911717 B CN 109911717B CN 201910235782 A CN201910235782 A CN 201910235782A CN 109911717 B CN109911717 B CN 109911717B
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Abstract
The fishing net rolling gear selection mechanism can automatically adjust the tooth height of the meshing gear according to the selected gear, thereby providing the gear with variable size which can adapt to the working environment, avoiding the problem of gear collision or abrasion caused by the fact that the gear size cannot be changed when the gear selection mechanism selects the gear, meanwhile, the gear with variable size is of a detachable structure, being capable of being partially replaced after abrasion, avoiding the problem that the gear needs to be manufactured again after the gear is abraded, wasting resources and saving cost.
Description
Technical Field
The invention belongs to fishing equipment, and particularly relates to an anti-tooth fishing net winding device.
Background
In fishing equipment, a fishing net is a vital equipment, a winch is generally used in the prior art to wind the fishing net, and the net is collected by controlling the rotation of a winding drum in the winch, in the prior art, gear shifting and speed regulation are considered to be carried out through a gear which moves transversely, however, the height of the gear cannot be changed along with the difference of gear shifting positions, so that when the fishing net winding device is used, the gear shifting purpose can be achieved only by processing the gear shifting gear into a thick tooth root, the size of the gear shifting gear cannot be changed, as shown in fig. 1, in the gear shifting process, the gear needs to adapt to matched gears with different diameters, therefore, the processing requirement on the gear shifting gear is high, the gear shifting amplitude is small, and a method for changing the size of the gear during gear shifting is urgently needed, A wear-reducing gear shift mechanism.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an anti-abrasion-tooth fishing net winding device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a fishing net rolling gear selection mechanism comprises meshing primary gear, meshing secondary gear and meshing gear axle, and meshing primary gear and meshing secondary gear are located the both ends of meshing gear axle respectively, its characterized in that: the meshing secondary gear comprises a gear body, a driving gear, a telescopic support and a tooth piece arranged on the telescopic support, the tooth piece forms the teeth of the meshing secondary gear, the driving gear rotates to drive the telescopic support to stretch, the size of the tooth piece is changed, and the size of the teeth on the meshing secondary gear is changed.
Preferably, the telescopic bracket comprises an upper gear bracket, a lower gear bracket 40, a supporting sliding rod 38, a driving rack 39 and a return spring 42, the upper gear bracket 41 is slidably sleeved in the lower gear bracket 40, the lower ends of the two lower gear brackets 40 are hinged on a gear main body 43, the two upper gear brackets 41 are hinged with each other, so that the upper gear bracket 41 and the lower gear bracket 40 form a supporting structure of teeth, the supporting sliding rod 38 is slidably arranged in the gear main body 43, one end of the supporting sliding rod 38 is hinged at the hinged position of the two upper gear brackets 41, the extension line of the other end passes through the axis of the gear main body 43, the driving gear 34 is arranged at the axis of the gear main body 43, the other end of the supporting sliding rod 38 is hinged with the driving rack 39, the return spring 42 is arranged between the supporting sliding rod 38 and the driving rack 39, the return spring 42 enables the driving rack 39 to always contact the driving gear 34 when the supporting sliding, the tooth plates 44 are provided on the upper gear holder 41 and the lower gear holder 40.
Preferably, when the size of the teeth engaging the secondary gear 27 needs to be adjusted, the driving gear 34 is controlled to rotate, so as to drive the driving rack 39 to move, and the driving rack 39 drives the supporting slide rod 38 to slide along the gear body, so as to drive the upper gear bracket 41 to move in a telescopic manner in the lower gear bracket 40.
An anti-abrasion fishing net winding device comprises a support plate 6, a winding drum 7, a motor 8, an automatic gear shifting gearbox 9, a rope guider 10, a cable guider 11 and an automatic gear shifting device 12, wherein the support plate 6 is arranged on two sides of the winding drum 7 and used for supporting the winding drum 7 to rotate, the automatic gear shifting gearbox 9 is fixed on the outer side of the support plate 6 on one side, the motor 8 is fixedly arranged on the automatic gear shifting gearbox 9, the rope guider 10 is arranged at the output end of a cable 5 wound on the winding drum 7, the cable guider 11 is arranged on the rope guider 10 in a sliding mode, the cable 5 penetrates through the cable guider 11 and is tightly pressed on the rope guider 10, the rope guider 10 can slide along the support plate 6 after being pressed by the cable 5, the automatic gear shifting device 12 is arranged between the support plate 6 on one side and the automatic gear shifting gearbox 9, one end of the automatic gear shifting device 12 is connected with the rope guider 10, and the other end is connected with the automatic, the automatic gear shifting device 12 dynamically adjusts a speed change gear in the automatic gear shifting gearbox 9 according to the pressure of the rope guider 10 on the cable 5, so as to adjust the winding speed of the winding drum 7, the tail end of the motor 8 is provided with a motor shaft 17, the tail end of the motor shaft 17 is connected with an input gear 18, two groups of reduction gears are arranged in the automatic gear shifting gearbox 9, the input ends of the two groups of reduction gears are meshed with the input gear 18, the two groups of reduction gears are respectively positioned at the upper end and the lower end of the input gear 18, the output end gears of the two groups of reduction gears are different in size, a gear selection mechanism 25 is arranged between the two output end gears, the gear selection mechanism 25 forms the speed change gear in the automatic gear shifting gearbox 9, the gear selection mechanism 25 can axially move, the tail end of the automatic gear shifting device 12 is connected with the gear selection mechanism 25, and, to select different reduction ratios, characterized in that: the gear selection mechanism 25 is the fishing net rolling gear selection mechanism.
Preferably, a protruding collar 32 is arranged at the end of the winding drum 7, the protruding collar 32 is rotatably supported on the support plate 6, an inner gear ring 30 is arranged inside the protruding collar 32, the gear selection mechanism 25 can engage the inner gear ring 30 when the gear selection mechanism 25 engages output gears of different sizes, and the tooth height of the engaging secondary gear is automatically adjusted when an automatic gear shifting gearbox in the fishing net winding device shifts gears.
Preferably, the automatic gear shifting device 12 comprises a gear shifting lever 13, a pin shaft 15 and a spring 16, the gear shifting lever 13 is pivoted to the outer sides of the support plates 6 through the pin shaft 15, the gear shifting lever 13 is an L-shaped rod, the short end of the L-shaped rod is positioned on the outer side of the support plates, the long end of the L-shaped rod penetrates into the inner sides of the two support plates 6 from the outer side of the support plates 6, the rope guider 10 is inserted into the long end of the L-shaped rod, the pin shaft 15 is parallel to the long end of the L-shaped rod, the spring 16 is connected between the gear shifting lever 13 and the support plates 6, and in an initial state, the elasticity of the spring 16 enables a gear selecting mechanism 25 connected to the tail end of the gear shifting lever 13 to engage with a lower speed reducing gear set of the two speed reducing gears when the cable 5 is subjected; when the pressing force of the cable 5 pressing the rope guider 10 reaches a certain threshold value, the gear shifting lever 13 overcomes the elastic force of the spring 16, so that the gear shifting lever 13 rotates around the pin shaft 15, and the gear selection mechanism 25 connected to the tail end of the gear shifting lever 13 is meshed with the upper speed reduction gear set in the two speed reduction gears.
Preferably, the two sets of reduction gears in the automatic shifting transmission 9 include a lower reduction gear set composed of a lower primary gear 19, a lower gear shaft 23) and a lower secondary gear 22, and an upper reduction gear set composed of an upper primary gear 20, a upper secondary gear 21 and an upper gear shaft 24, the lower primary gear 19 and the lower secondary gear 22 are respectively located at both ends of the lower gear shaft 23, the upper primary gear 20 and the upper secondary gear 21 are respectively located at both ends of the upper gear shaft 24, the upper primary gear 20 and the lower primary gear 19 constitute input gears of the two sets of reduction gears, and the lower secondary gear 22 and the upper secondary gear 21 constitute output gears of the two sets of reduction gears; the lower secondary gear 22 is smaller in radius than the upper secondary gear 21.
Preferably, the meshing gear shaft 28 is a hollow structure, the meshing gear shaft 28 is rotatably disposed outside the insertion shaft 29, one end of the insertion shaft 29 is fixedly connected with the shift lever 13, the insertion shaft 29 is parallel to the long end of the shift lever 13, and an axial limiting device is disposed on the meshing gear shaft 28, so as to ensure that the meshing gear shaft 28 can only rotate on the insertion shaft 29 but cannot move axially.
Preferably, circular arc slots 14 are provided on both support plates 6, the circular arc radius of the circular arc slot 14 being equal to the axial distance between the pin 15 and the long end of the L-shaped lever, the length of the circular arc slot 14 being such that the L-shaped lever is located at the uppermost end of the circular arc slot 14 when the gear selection means 25 engages the lower secondary gear 22 and at the lowermost end of the circular arc slot 14 when the gear selection means 25 engages the last secondary gear 21.
The utility model provides a fishing boat, its includes hull 1, is provided with abrasionproof on the hull 1 and decreases fishing net coiling mechanism 2, and abrasionproof decreases fishing net coiling mechanism 2 and is connected with fishing net 3, its characterized in that through hawser 5: the anti-abrasion fishing net winding device 2 is the anti-abrasion fishing net winding device.
Has the advantages that:
1. the fishing net winding device takes the resistance of the underflow to the fishing net into consideration, so that the speed of winding the winding drum for winding the fishing net is dynamically adjusted, the fishing net is prevented from being broken due to large stress during winding, meanwhile, the fishing net is prevented from being subjected to unreasonable impact force for a long time by dynamically adjusting the speed of winding the fishing net, and the service life of the fishing net is further prolonged;
2. in the fishing net winding device, the cable bypasses the rope arranger, and the pressure applied to the rope arranger by the cable is used for obtaining the pressure borne by the fishing net rope in the fishing net winding process, so that the winding and unwinding speed of the winding drum is switched;
3. the speed reducing mechanism in the fishing net winding device is provided with two different gears, automatic switching is carried out according to different loads borne by the mooring rope, and switching power is provided by resistance borne by the fishing net, so that the winding speed switching of the low-load high-speed and heavy-load low-speed winding drum is automatically realized;
4. in the fishing net winding device, in order to further improve the reliability of the speed switching of the winding drum, a pressure detector of a rope arranger and an angle sensor are arranged, whether the speed switching is needed or not is judged by judging whether the pressure reaches preset time or not, the unpredictability of underwater stress is further considered, the safety of the device is further improved, whether the gear selection mechanism is meshed with the gear can be detected by detecting the rotating angle of the gear changing lever, a brake mechanism is further arranged on the winding drum, the brake mechanism is started when the gear selection mechanism is detected to be disengaged from the gear, and the brake mechanism is released after the gear selection mechanism is detected to be meshed with the gear, so that the collision between the gears caused by the rotating and sliding of the winding drum in the gear shifting process is avoided, and the reliability and the safety of the device are further improved;
5. in the fishing net reeling device, in order to further ensure the stability of the switching speed and consider that the spring is a relatively sensitive stressed element and the resistance in ocean current is the characteristic of real-time change, a retaining cylinder is added and is a one-way hydraulic cylinder, so that the meshing stability between the gear selection mechanism and the secondary gear is ensured, and meanwhile, after a pressure sensor detects that the force exceeding a certain threshold value lasts for a preset time, the retaining cylinder is driven to act, so that the gear shifting is rapid, the defect that only the spring is used as the power of the gear selection mechanism is overcome, and the rapid, safe and reliable speed switching is ensured;
6. in the fishing net winding device, when the engaging secondary gear in the gear selection mechanism is used for transversely translating and switching gears, the engaging secondary gear needs to be selectively engaged with the inner gear ring along with the movement of the engaging primary gear, the engaging primary gear is engaged with gears with different gear ring sizes, if the size of the engaging secondary gear cannot be changed, the engaging secondary gear is engaged with the inner gear ring to slip, so that the phenomenon of gear abrasion is caused, and meanwhile, the improper gear tooth size can cause the device to generate noise during operation.
7. The gear of this application is the mode of variable size, and all teeth in the gear all drive through a drive gear, and the synchronism is better, and simultaneously, the tooth of variable size is detachable construction, after the gear has been used for a long time, if there is wearing and tearing can in time be changed, avoids carrying out gear machining again and causes the waste, further resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of a prior art gear selection mechanism;
FIG. 2 is a schematic view of the overall structure of the fishing net winding device;
FIG. 3 is a top view of the fishing net winding device;
FIG. 4 is a side view of the fishing net winding device in FIG. 3;
FIG. 5 is a view A-A;
FIG. 6 is a view from B-B;
FIG. 7 is a side view of a fishing net winding device according to a second embodiment;
FIG. 8 is a schematic structural view of a gear selecting mechanism of the fishing net winding device of the present invention (showing one tooth);
FIG. 9 is a side view of the gear selection mechanism of FIG. 8 (illustrating one tooth);
fig. 10 is a schematic view of a meshing secondary gear structure.
Reference numerals:
1. a hull; 2. a fishing net winding device; 3. a fishing net; 4. an ocean; 5. a cable; 6. a mounting plate; 7. a reel; 8. a motor; 9. an automatic shifting gearbox; 10. a rope guider; 11. a cable guide device; 12. an automatic gear shifting device; 13. a speed change lever; 14. a guide slot hole; 15. a pin shaft; 16. a spring; 17. a motor shaft; 18. an input gear; 19. a lower primary gear; 20. an upper primary gear; 21. a last-stage gear; 22. a lower secondary gear; 23. a lower gear shaft; 24. an upper gear shaft; 25. a gear selection mechanism; 26. engaging a primary gear; 27. engaging a secondary gear; 28. a meshing gear shaft; 29. inserting a shaft; 30. an inner gear ring; 31. a holding cylinder; 32. a projecting cylindrical ring; 33. a bearing; 34. a drive gear; 35. a telescoping support; 36. the upper tooth sheet is stretched; 37. the lower tooth sheet is stretched; 38. supporting the sliding rod; 39. a drive rack; 40. a lower gear support; 41. an upper gear bracket; 42. a return spring; 43. a gear body; 44. a toothed sheet.
The specific implementation mode is as follows:
referring to the accompanying drawings 2-6, fig. 2 is a schematic structural view of a dynamic fishing net winding device in use, as shown in fig. 2, a ship body 1 is provided with a fishing net winding device 2, the fishing net winding device 2 is connected with a fishing net 3 through a cable 5, when the fishing net 3 at the depth of the sea 4 needs to be lifted and salvaged, the fishing net winding device 2 is started, and the fishing net 3 is lifted and salvaged through the winding cable 5. In fishing net rolling in-process, because ocean 4 is in the state of flowing often, therefore, the resistance that fishing net coiling mechanism 2 received at rolling fishing net 3 in-process is real-time change, consequently, need fishing net coiling mechanism 2 to switch the speed of rolling hawser 5 according to the resistance size that fishing net 3 received in real time, in order to avoid at 3 rolling in-process of fishing net because rolling speed and fishing net 3 received the resistance mismatch, hawser 5 is high-speed rolling when 3 heavy loads of fishing net appear, cause the tear to hawser 5 and fishing net 3, thereby reduce fishing net 3's life, and simultaneously, can avoid fishing net 3 underloading and hawser 5 is low-speed rolling, seriously influence fishing net coiling mechanism 2's rolling efficiency.
As shown in fig. 3-6, the fishing net winding device 2 includes a support plate 6, a winding drum 7, a motor 8, an automatic gear shifting gearbox 9, a rope guider 10, a cable guider 11 and an automatic gear shifting device 12, the support plate 6 is disposed on both sides of the winding drum 7 for supporting the winding drum 7 to rotate, the automatic gear shifting gearbox 9 is fixed on the outer side of the support plate 6 on one side, the motor 8 is fixedly mounted on the automatic gear shifting gearbox 9, the rope guider 10 is disposed at the output end of the cable 5 wound on the winding drum 7, the cable guider 11 is slidably disposed on the rope guider 10, the cable 5 passes through the cable guider 11 and is tightly pressed on the rope guider 10, the rope guider 10 can slide along the support plate 6 after receiving the pressure of the cable 5, the automatic gear shifting device 12 is disposed between the support plate 6 on one side and the automatic gear shifting gearbox 9, one end of the automatic gear shifting device 12 is connected with the rope guider 10, the other end is connected with the automatic gear shifting, the automatic gear shifting device 12 dynamically adjusts the speed changing gear in the automatic gear shifting gearbox 9 according to the pressure of the rope guider 10 on the cable 5, thereby adjusting the winding speed of the winding drum 7.
The tail end of the motor 8 is provided with a motor shaft 17, the tail end of the motor shaft 17 is connected with an input gear 18, two groups of reduction gears are arranged in the automatic gear shifting gearbox 9, the input ends of the two groups of reduction gears are meshed with the input gear 18, the two groups of reduction gears are respectively positioned at the upper end and the lower end of the input gear 18, the output end gears of the two groups of reduction gears are different in size, a gear selection mechanism 25 is arranged between the two output end gears, the gear selection mechanism 25 forms a speed change gear in the automatic gear shifting gearbox 9, the gear selection mechanism 25 can move axially, the tail end of the automatic gear shifting device 12 is connected with the gear selection mechanism 25, and the gear selection mechanism 25 is meshed with the output end;
preferably, a protruding cylinder ring 32 is arranged at the tail end of the winding drum 7, the protruding cylinder ring 32 is rotatably supported on the support plate 6, an inner gear ring 30 is arranged inside the protruding cylinder ring 32, and when the gear selection mechanisms 25 are meshed with output end gears of different sizes, the gear selection mechanisms 25 can be meshed with the inner gear ring 30; preferably, in order to ensure smooth rotation of the drum 7, a bearing 33 is provided between the projecting collar 32 and the bracket plate 6.
Preferably, the automatic gear shifting device 12 comprises a gear shifting lever 13, a pin shaft 15 and a spring 16, wherein the gear shifting lever 13 is pivoted to the outer sides of the support plates 6 through the pin shaft 15, preferably, the gear shifting lever 13 is an L-shaped rod, the short end of the L-shaped rod is positioned on the outer sides of the support plates, the long end of the L-shaped rod penetrates into the inner sides of the two support plates 6 from the outer sides of the support plates 6, the rope arranger 10 is inserted into the long end of the L-shaped rod, the pin shaft 15 is parallel to the long end of the L-shaped rod, the spring 16 is connected between the gear shifting lever 13 and the support plates 6, and in an initial state, the elastic force of the spring 16 enables a gear selecting mechanism 25 connected to the tail end of the gear shifting lever 13 to engage with a lower speed reducing gear set in the two speed reducing gears when the cable 5 is subjected to less than a predetermined pulling force during; when the cable 5 is under the action of the undercurrent or a heavy-load article (such as a big fish) is netted in the fishing net 3, the tension of the cable is increased, so that the rope guider 10 is pressed, when the pressing force reaches a certain threshold value, the speed changing lever 13 overcomes the elastic force of the spring 16, so that the speed changing lever 13 rotates around the pin shaft 15, the gear selection mechanism 25 connected with the tail end of the speed changing lever 13 is meshed with the upper speed reducing gear set in the two groups of speed reducing gears, so that at the moment, the winding drum runs at a low speed and a heavy load, when the tension of the cable 5 is reduced, the elastic force of the spring 16 enables the speed changing lever 13 to rotate reversely, the gear selection mechanism 25 connected with the tail end of the speed changing lever 13 is continuously meshed with the lower speed reducing gear set in the two.
The two groups of reduction gears in the automatic gear shifting gearbox 9 comprise a lower reduction gear set consisting of a lower primary gear 19, a lower gear shaft 23 and a lower secondary gear 22 and an upper reduction gear set consisting of an upper primary gear 20, a last secondary gear 21 and an upper gear shaft 24, wherein the lower primary gear 19 and the lower secondary gear 22 are respectively positioned at two ends of the lower gear shaft 23, the upper primary gear 20 and the last secondary gear 21 are respectively positioned at two ends of the upper gear shaft 24, the upper primary gear 20 and the lower primary gear 19 form input end gears of the two groups of reduction gears, and the lower secondary gear 22 and the last secondary gear 21 form output end gears of the two groups of reduction gears; the radius of the lower secondary gear 22 is smaller than that of the upper secondary gear 21; preferably, the upper primary gear 20 and the lower primary gear 19 are the same size, both meshing with the input gear 18;
the gear selection mechanism 25 is composed of a meshed primary gear 26, a meshed secondary gear 27 and a meshed gear shaft 28, the meshed primary gear 26 and the meshed secondary gear 27 are respectively positioned at two ends of the meshed gear shaft 28, the meshed gear shaft 28 is of a hollow structure, the meshed gear shaft 28 is rotatably arranged outside the insertion shaft 29, one end of the insertion shaft 29 is connected with the shift lever 13, the insertion shaft 29 is parallel to the long end of the shift lever 13, and an axial limiting device is arranged on the meshed gear shaft 28, so that the meshed gear shaft 28 can only rotate on the insertion shaft 29 and cannot axially move; preferably, in order to ensure smooth rotation of the meshing gear shaft 28, a bearing is provided between the insertion shaft 29 and the meshing gear shaft 28.
The meshing primary gear 26 selectively meshes with the upper secondary gear 21 or the lower secondary gear 22, and the meshing secondary gear 27 is preferably sized and shaped to mesh with the ring gear 30 when the meshing primary gear 26 meshes with the upper secondary gear 21 or the lower secondary gear 22. As shown in fig. 8-10, the meshing secondary gear 27 includes a gear body 43, a driving gear 34, a retractable bracket 35, and a tooth piece 44 disposed on the retractable bracket 35, wherein the tooth piece 44 forms teeth meshing with the secondary gear 27, and the driving gear 34 rotates to drive the retractable bracket 35 to extend and retract, so that the size of the tooth piece 44 is changed, thereby achieving the purpose of changing the size of the teeth meshing with the secondary gear 27. Further, the telescopic bracket 35 comprises an upper gear bracket 41, a lower gear bracket 40, a supporting slide rod 38, a driving rack 39 and a return spring 42, the upper gear bracket 41 is slidably sleeved in the lower gear bracket 40, the lower ends of the two lower gear brackets 40 are hinged on a gear main body 43, the two upper gear brackets 41 are hinged with each other, so that the upper gear bracket 41 and the lower gear bracket 40 form a supporting structure of teeth, the supporting slide rod 38 is slidably arranged in the gear main body 43, one end of the supporting slide rod 38 is hinged at the hinged position of the two upper gear brackets 41, the extension line of the other end passes through the axis of the gear main body 43, the driving gear 34 is arranged at the axis of the gear main body 43, the other end of the supporting slide rod 38 is hinged with the driving rack 39, the return spring 42 is arranged between the supporting slide rod 38 and the driving rack 39, and the return spring 42 makes the driving rack 39 always contact with the driving gear 34 when the supporting, the tooth piece 44 is arranged on the upper gear bracket 41 and the lower gear bracket 40; preferably, the teeth 44 include a telescopic upper tooth 36 and a telescopic lower tooth 37, the telescopic upper tooth 36 being disposed on the upper gear bracket 41 and the telescopic lower tooth 37 being disposed on the lower gear bracket 40. When the size of the teeth of the engaging secondary gear 27 needs to be adjusted, the driving gear 34 is controlled to rotate, so as to drive the driving rack 39 to move, the driving rack 39 drives the supporting slide rod 38 to slide along the gear body, so as to drive the upper gear bracket 41 to move in a telescopic manner in the lower gear bracket 40, and since the lower end of the lower gear bracket 40 is hinged with the gear body 43, the tooth root of the telescopic bracket 35 is unchanged and the tooth height is changed when the telescopic bracket is telescopic. When the upper gear bracket 41 slides, the telescopic upper toothed plate connected with the upper gear bracket moves, so that the toothed plate 44 can adapt to the telescopic bracket 35 for size adjustment. Preferably, flexible last tooth piece and flexible tooth piece down set up on last gear support, lower gear support for detachable to make, after the tooth piece takes place wearing and tearing, only change the wearing and tearing tooth piece can, need not change whole gear. As shown in fig. 10, it illustrates a structural diagram of a meshing secondary gear with changeable tooth size, which illustrates a structure with 18 changeable teeth, of course, the number of teeth is not limited to 18, and the number of teeth can be selected as required. Preferably, to ensure that there is no interference between the drive racks when there are multiple teeth, it is preferred that the drive racks of each tooth are arranged axially uniformly along an axis that engages within the secondary gear 27, thereby avoiding interference between the drive racks.
When the automatic gear-shifting gearbox 9 in the fishing net winding device 2 is in a high-speed light-load gear, the meshing primary gear 26 is meshed with the lower secondary gear 22, at the moment, the driving gear 34 acts to enable the telescopic upper tooth piece to extend out, so that the height of the teeth of the meshing secondary gear is increased, and the teeth of the meshing secondary gear are meshed with the inner gear ring. Preferably, the action can be realized by selecting the arranged distance sensor, so that the gear selecting mechanism has different tooth heights when the gear is changed, and the phenomenon that the gear is not suitable in tooth height to cause collision and abrasion is avoided.
Preferably, in order to ensure that the spool is prevented from slipping during gear shifting, a brake mechanism is arranged on the spool, and an angle sensor is arranged on the L-shaped rod 13, when the rotation angle of the L-shaped rod 13 is detected as that the gear selection mechanism is disengaged from the secondary gear, the brake mechanism is started, and after the rotation angle of the L-shaped rod 13 is detected as that the gear selection mechanism is engaged with the secondary gear, the brake mechanism is released, so that the spool is prevented from slipping, and meanwhile, the gears in the gearbox are prevented from colliding with each other due to improper rotation of the spool during gear shifting, the gears are prevented from being damaged, and the service life is further prolonged.
Preferably, as shown in fig. 6, a second embodiment of the fishing net rolling device of the present invention is different from the first embodiment in that a holding cylinder 31 is additionally provided between the supporting plate 6 and the L-shaped rod 13, and the holding cylinder 31 is a one-way hydraulic cylinder; because the pressure of the cable 5 on the rope guider 10 is a real-time variable force, the fluctuation influenced by ocean current is larger, and the spring is a sensitive stress element, in order to ensure that the meshing between the gear selection mechanism 25 and the secondary gear is more stable when in use, a retaining cylinder 31 is arranged, the deficiency of the spring is made up, and the influence of the occasional larger force on the speed changer is effectively avoided;
meanwhile, preferably, in order to ensure that the gear shifting of the gearbox is rapid, a pressure sensor is arranged between the cable 5 and the rope guider 10, the pressure sensor detects that the force exceeding a certain threshold value continuously passes through preset time, for example, 1min, then the holding cylinder 31 is driven to act, so that the rotating speed of the L-shaped rod 13 is accelerated, the gear shifting is rapid, and meanwhile, the reliability of the operation of the equipment is further ensured by detecting whether the force exceeding the threshold value exceeds the preset time.
The working principle is as follows: the fishing net rolling device 2 arranged on the ship body 1 is connected with a fishing net 3 through a cable 5, the cable 5 extends out of a winding drum 7 and then bypasses a rope arranger 10 to be connected with the fishing net 3, the cable 5 presses the rope arranger 10 all the time in the net rolling process, the rope arranger 10 can slide along a guide slotted hole 14 on a support plate 6, an L-shaped speed changing lever 13 is arranged on the outer side of the support plate 6, one end of the L-shaped speed changing lever 13 is connected with the rope arranger 10, the other end of the L-shaped speed changing lever is connected with an automatic gear shifting gearbox 9, a pin shaft 15 is arranged in the middle of the L-shaped speed changing lever 13, the L-shaped speed changing lever 13 is hinged and arranged on the outer side of the support plate 6 through the pin shaft 15, a spring 16 is arranged between the L-shaped speed changing lever 13 and the support plate 6, the elasticity of the spring 16 ensures that the L-shaped speed changing lever 13 operates the automatic gear shifting gearbox 9 to be positioned, when the low-load high-speed operation is detected, the driving gear 34 is driven to rotate, so that the supporting sliding rod slides out of the gear body, the height of the teeth of the meshing secondary gear is increased, and the meshing primary gear is matched to act, so that the net is efficiently collected; when the net is collected, due to the fact that ocean current external force or heavy load exists in the fishing net 13, the pressure of the cable 5 on the rope guider 10 exceeds a certain threshold value, the L-shaped speed changing lever 13 overcomes the elastic force of the spring and rotates, so that the automatic gear shifting gearbox 9 is operated to be located at a low-speed load running gear, when the low-speed load running is detected, the driving gear 34 is driven to rotate, the supporting sliding rod slides into the gear main body, the height of the tooth of the meshing secondary gear is reduced, the meshing primary gear acts in a matching mode, the corresponding cable winding speed is matched according to the load of the fishing net 3, safe net collection is conducted, if the pressure of the cable 5 on the rope guider 10 is reduced again and reaches a certain threshold value, the spring drives the L-shaped speed changing lever 13 to act, and the L-shaped speed changing lever 13 operates the automatic gear shifting gearbox 9 to be located at a low-; therefore, the fishing net winding device can dynamically adjust the rope winding and unwinding speed according to the fishing net load, and meanwhile, the action mechanism is a rope guider and is of a mechanical structure, so that the action reliability of equipment is guaranteed, and the cost is saved. Furthermore, the tooth height of the gear meshed with the secondary gear can be adjusted, and the gear can be matched with the primary gear to act, so that the inner gear ring of the winding drum can be meshed by selecting the proper tooth height, the speed changing gear is not blocked, abrasion is not caused, and the service life of the gear is further prolonged.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a fishing net rolling gear selection mechanism, includes meshing primary gear (26), meshing secondary gear (27) and meshing gear axle (28), and meshing primary gear (26) and meshing secondary gear (27) are located the both ends of meshing gear axle (28) respectively, its characterized in that: the meshing secondary gear (27) comprises a gear main body (43), a driving gear (34), a telescopic bracket (35) and a tooth piece (44) arranged on the telescopic bracket (35), wherein the tooth piece (44) forms teeth for meshing the secondary gear (27), and the driving gear (34) rotates to drive the telescopic bracket (35) to stretch and retract, so that the size of the tooth piece (44) is changed to change the size of the teeth on the meshing secondary gear (27); the telescopic support (35) comprises an upper gear support (41), a lower gear support (40), a supporting sliding rod (38), a driving rack (39) and a return spring (42), the upper gear support (41) is slidably sleeved in the lower gear support (40), the lower ends of the two lower gear supports (40) are hinged to a gear main body (43), the two upper gear supports (41) are hinged to each other, so that the upper gear support (41) and the lower gear support (40) form a supporting structure of teeth, the supporting sliding rod (38) is slidably arranged in the gear main body (43), one end of the supporting sliding rod (38) is hinged to the hinged position of the two upper gear supports (41), the extension line of the other end of the supporting sliding rod passes through the axis of the gear main body (43), the driving gear (34) is arranged at the axis of the gear main body (43), the other end of the supporting sliding rod (38) is hinged to the driving rack (39), a return spring (42) is arranged between the supporting slide rod (38) and the driving rack (39), the return spring (42) enables the driving rack (39) to be always contacted with the driving gear (34) when the supporting slide rod (38) slides in the gear main body (43), and the tooth plates (44) are arranged on the upper gear bracket (41) and the lower gear bracket (40).
2. A gear selection mechanism as recited in claim 1, wherein: when the size of the teeth meshed with the secondary gear (27) needs to be adjusted, the driving gear (34) is controlled to rotate, so that the driving rack (39) is driven to move, the driving rack (39) drives the supporting sliding rod (38) to slide along the gear body, and the upper gear support (41) is driven to move in a telescopic mode in the lower gear support (40).
3. An anti-abrasion fishing net winding device comprises support plates (6), a winding drum (7), a motor (8), an automatic gear shifting gearbox (9), a rope guider (10), a cable guider (11) and an automatic gear shifting device (12), wherein the support plates (6) are arranged on two sides of the winding drum (7) and are used for supporting the winding drum (7) to rotate, the automatic gear shifting gearbox (9) is fixed on the outer side of one side of the support plate (6), the motor (8) is fixedly arranged on the automatic gear shifting gearbox (9), the rope guider (10) is arranged at the output end of a cable (5) wound on the winding drum (7), the cable guider (11) is arranged on the rope guider (10) in a sliding mode, the cable guider (5) penetrates through the cable guider (11) and is tightly pressed on the rope guider (10), the rope guider (10) can slide along the support plates (6) after being subjected to the pressure of the cable (5), an automatic gear shifting device (12) is arranged between a support plate (6) on one side and an automatic gear shifting gearbox (9), one end of the automatic gear shifting device (12) is connected with a rope guider (10), the other end of the automatic gear shifting gearbox (9) is connected with the other end of the automatic gear shifting device (12), the automatic gear shifting device (12) dynamically adjusts the speed change gears in the automatic gear shifting gearbox (9) according to the pressure of a cable (5) on the rope guider (10) so as to adjust the winding speed of a winding drum (7), a motor shaft (17) is arranged at the tail end of a motor (8), an input gear (18) is connected at the tail end of the motor shaft (17), two groups of speed reduction gears are arranged in the automatic gear shifting gearbox (9), the input ends of the two groups of speed reduction gears are meshed with the input gear (18), the two groups of speed reduction gears are respectively positioned at the, lie in and be provided with fender position selection mechanism (25) between two output gears, keep off position selection mechanism (25) and constitute the change gear among automatic gear shifting gearbox (9), keep off position selection mechanism (25) and can axial displacement, automatic gearshift device (12) end-to-end connection keeps off position selection mechanism (25), thereby make through automatic gearshift device (12) keep off position selection mechanism (25) and mesh the output gear of equidimension not to select different reduction ratios, its characterized in that: the gear selection mechanism (25) is the fishing net rolling gear selection mechanism of any one of claims 1-2.
4. The anti-wear fishing net winding device according to claim 3, wherein: the tail end of the winding drum (7) is provided with a protruding drum ring (32), the protruding drum ring (32) is rotatably supported on the support plate (6), an inner gear ring (30) is arranged inside the protruding drum ring (32), when the gear selection mechanism (25) is meshed with output gears of different sizes, the gear selection mechanism (25) can be meshed with the inner gear ring (30), and when an automatic gear shifting gearbox in the fishing net winding device is used for shifting gears, the tooth height of a meshing secondary gear is automatically adjusted.
5. The anti-wear fishing net winding device according to claim 3, wherein: the automatic gear shifting device (12) comprises a gear shifting lever (13), a pin shaft (15) and a spring (16), the gear shifting lever (13) is pivoted to the outer sides of the support plates (6) through the pin shaft (15), the gear shifting lever (13) is an L-shaped rod, the short end of the L-shaped rod is positioned on the outer sides of the support plates, the long end of the L-shaped rod penetrates into the inner sides of the two support plates (6) from the outer sides of the support plates (6), the rope arranger (10) is inserted into the long end of the L-shaped rod, the pin shaft (15) is parallel to the long end of the L-shaped rod, the spring (16) is connected between the gear shifting lever (13) and the support plates (6), and in an initial state, the elastic force of the spring (16) enables a gear selecting mechanism (25) connected to the tail end of the gear shifting lever (13) to engage with a lower gear set of the two groups of speed reduction gears when a mooring rope (5) is subjected to; when the pressing force of the cable (5) pressing the rope guider (10) reaches a certain threshold value, the speed changing lever (13) overcomes the elastic force of the spring (16) to enable the speed changing lever (13) to rotate around the pin shaft (15), and a gear selection mechanism (25) connected with the tail end of the speed changing lever (13) is meshed with an upper speed reducing gear set in the two groups of speed reducing gears.
6. The anti-wear fishing net winding device according to claim 5, wherein: two groups of reduction gears in the automatic gear shifting gearbox (9) comprise a lower reduction gear set consisting of a lower primary gear (19), a lower gear shaft (23) and a lower secondary gear (22), and an upper reduction gear set consisting of an upper primary gear (20), an upper secondary gear (21) and an upper gear shaft (24), wherein the lower primary gear (19) and the lower secondary gear (22) are respectively positioned at two ends of the lower gear shaft (23), the upper primary gear (20) and the upper secondary gear (21) are respectively positioned at two ends of the upper gear shaft (24), the upper primary gear (20) and the lower primary gear (19) form input end gears of the two groups of reduction gears, and the lower secondary gear (22) and the upper secondary gear (21) form output end gears of the two groups of reduction gears; the radius of the lower secondary gear (22) is smaller than that of the upper secondary gear (21).
7. The anti-wear fishing net winding device according to claim 6, wherein: the meshing gear shaft (28) is of a hollow structure, the meshing gear shaft (28) is rotatably arranged outside the insertion shaft (29), one end of the insertion shaft (29) is fixedly connected with the speed changing lever (13), the insertion shaft (29) is parallel to the long end of the speed changing lever (13), and the meshing gear shaft (28) is provided with an axial limiting device, so that the meshing gear shaft (28) can only rotate on the insertion shaft (29) and cannot move axially.
8. The anti-wear fishing net winding device of claim 7, wherein: arc slotted holes (14) are formed in the two support plates (6), the arc radius of each arc slotted hole (14) is equal to the axial distance between the pin shaft (15) and the long end of the L-shaped rod, the length of each arc slotted hole (14) is such that when the gear selection mechanism (25) is meshed with the lower secondary gear (22), the L-shaped rod is located at the uppermost end of each arc slotted hole (14), and when the gear selection mechanism (25) is meshed with the upper secondary gear (21), the L-shaped rod is located at the lowermost end of each arc slotted hole (14).
9. The utility model provides a fishing boat, its includes hull (1), is provided with abrasionproof on hull (1) and decreases fishing net coiling mechanism (2), and abrasionproof decreases fishing net coiling mechanism (2) and is connected with fishing net (3), its characterized in that through hawser (5): the anti-abrasion fishing net winding device (2) is the anti-abrasion fishing net winding device in any one of claims 3 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235782.XA CN109911717B (en) | 2019-03-27 | 2019-03-27 | Fishing net rolling gear selection mechanism, anti-abrasion-tooth fishing net rolling device and fishing boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235782.XA CN109911717B (en) | 2019-03-27 | 2019-03-27 | Fishing net rolling gear selection mechanism, anti-abrasion-tooth fishing net rolling device and fishing boat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109911717A CN109911717A (en) | 2019-06-21 |
| CN109911717B true CN109911717B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910235782.XA Active CN109911717B (en) | 2019-03-27 | 2019-03-27 | Fishing net rolling gear selection mechanism, anti-abrasion-tooth fishing net rolling device and fishing boat |
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| CN (1) | CN109911717B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423643A (en) * | 1982-03-24 | 1984-01-03 | Eaton Corporation | Gear retainer |
| CN2054780U (en) * | 1989-04-25 | 1990-03-21 | 王永江 | Automatic stageless speed variator of bicycle |
| CN2198456Y (en) * | 1994-04-08 | 1995-05-24 | 蒋军 | Two way deflection less gear number cylindrical gear pair |
| JP2012067796A (en) * | 2010-09-21 | 2012-04-05 | Jtekt Corp | Worm reduction gear |
| CN106151394B (en) * | 2016-08-29 | 2018-08-31 | 麻江县生产力促进中心有限责任公司 | Speed changer |
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2019
- 2019-03-27 CN CN201910235782.XA patent/CN109911717B/en active Active
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| CN109911717A (en) | 2019-06-21 |
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