Trawl net roller structure for fishing boat

Abstract

The utility model relates to the technical field of marine equipment, in particular to a trawl roller structure for a fishing boat, which comprises a base, a roller and an auxiliary mechanism. A lower supporting seat is arranged on the base, an upper supporting seat is hinged to the lower supporting seat, a supporting shaft is arranged between the lower supporting seat and the upper supporting seat, and the roller is arranged on the supporting shaft through a bearing; the auxiliary mechanism comprises a sealing cover and a cover plate, an oil storage cavity and an oil conveying hole are formed in the sealing cover, the cover plate is arranged at the end, close to the bearing, of the sealing cover, and a communicating hole is formed in the cover plate; the sealing cover can prevent seawater from corroding the bearing; when the fishing net drives the roller to rotate, the cover plate slides towards the radial outer side of the sealing cover under the action of centrifugal force, the communicating hole moves to an outlet of the oil conveying hole, and at the moment, lubricating oil flows out through the oil conveying hole and the communicating hole under the action of centrifugal force to supplement the bearing with the lubricating oil; when the roller is static, the cover plate blocks the oil conveying hole, and loss of lubricating oil is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to marine equipment technical field, concretely relates to a trawl cylinder structure for fishing boat. BACKGROUND

[0002] Trawl is a widely used fishing method when fishing boat trawls, through trawling the fishing net from the back of the ship, to capture the fish swimming in the water. The design of trawl makes the fishing net can cover a larger water area, has higher fishing efficiency. Trawl cylinder is usually arranged in the tail of the fishing boat, used for winding and releasing trawl to reduce the friction between trawl and ship body.

[0003] In the prior art, such as the patent with the patent number CN221306915U and the name of trawl cylinder structure for fishing boat, the technical scheme is recorded that the device includes a base and two support structures arranged on the base, a rotating shaft is detachably arranged between the two support structures, a cylinder is arranged on the rotating shaft, the fishing net moves along the cylinder to the deck during trawl, the cylinder rotates to reduce the friction between the fishing net and the ship body structure; the two support structures are detachable upper and lower support seats, when the cylinder needs to be repaired or replaced, the rotating shaft and the cylinder can be taken out by only disassembling the upper support seat, which is convenient for maintenance. But the fishing net carries a large amount of seawater to the cylinder, and the cylinder and the bearing bear a large pressure during work, long time use will cause the lubricating oil in the bearing to be consumed quickly, thus increasing the wear and needing frequent replacement, affecting the use efficiency of the cylinder. UTILITY MODEL CONTENTS

[0004] The utility model provides a trawl cylinder structure for fishing boat to solve the above problems.

[0005] The utility model adopts the following technical scheme: a trawl cylinder structure for fishing boat, including base, cylinder and auxiliary mechanism, two ends fixed mounting of base have lower support seat, the lower support seat upper end is hinged with upper support seat, and the lower support seat and upper support seat are fixedly installed with support shaft between the lower support seat and upper support seat; the support shaft is sleeved with bearing, and the cylinder is sleeved on the bearing; the auxiliary mechanism is arranged at both ends of the cylinder, and the auxiliary mechanism is used for waterproof and supplementing lubricating oil for the bearing; after the cylinder and the bearing are sleeved on the support shaft, the support shaft is fixed between the upper support seat and the lower support seat by opening the upper support seat; the fishing net moves along the cylinder to the deck during trawl, the cylinder rotates to reduce the friction between the fishing net and the ship body structure, the fishing net carries a large amount of seawater in this process, the auxiliary mechanism is prevented from entering the bearing and corroding the bearing, and the auxiliary mechanism is used for supplementing lubricating oil for the bearing.

[0006] Further, the auxiliary mechanism comprises a sealing cover and an opening and closing assembly, the sealing cover is fixedly installed at both ends of the roller, and the sealing cover and the support shaft are rotationally connected; an oil storage cavity is formed in the sealing cover, a plurality of oil delivery holes are formed at one end of the oil storage cavity close to the bearing, and the plurality of oil delivery holes are uniformly distributed along the axial direction of the sealing cover; the opening and closing assembly is arranged at one end of the sealing cover close to the bearing; seawater is prevented from entering the roller to corrode the bearing through the sealing cover; the oil storage cavity stores lubricating oil, and when the fishing net drives the roller to rotate, the lubricating oil flows outwards through the oil delivery holes under the action of centrifugal force; the opening and closing assembly is arranged to control the unblocking or blocking of the oil delivery holes.

[0007] Further, a plurality of sliding grooves are formed at one end of the sealing cover close to the bearing, and the plurality of sliding grooves are arranged at one side of the oil delivery holes close to the support shaft in the radial direction of the sealing cover; the opening and closing assembly comprises a cover plate and a spring, the cover plate comprises a vertical plate and a horizontal plate, the horizontal plate is fixedly installed at one end of the vertical plate close to the base, the horizontal plate is slidingly installed in the sliding groove, and the vertical plate is slidingly connected to one end of the sealing cover close to the bearing; a communication hole is formed in the vertical plate, and a counterweight is fixedly installed at one end of the vertical plate away from the support shaft; the spring is arranged in the sliding groove, one end of the spring is fixedly connected to the sliding groove, and the other end of the spring is fixedly connected to the horizontal plate; when the fishing net drives the roller to rotate, the cover plate slides to the outside of the sealing cover in the radial direction under the action of the gravity of the counterweight and centrifugal force, at this time, the cover plate drives the communication hole to slide to the outlet of the oil delivery hole, so that the lubricating oil flows out to supplement the lubricating oil for the bearing; after the roller stops rotating, the cover plate is reset under the action of the spring, at this time, the cover plate blocks the oil delivery hole to avoid the loss of lubricating oil.

[0008] Further, an oil filling port is formed at one end of the sealing cover away from the bearing, and an oil filling cover is threadedly connected in the oil filling port; when it is necessary to add lubricating oil to the oil storage cavity, the upper support base is opened and the oil filling cover is unscrewed, and the lubricating oil is added to the oil storage cavity through the oil filling port.

[0009] Further, limit plates are fixedly installed outside both ends of the roller; the limit plates are arranged to prevent the fishing net from sliding off both ends of the roller.

[0010] The beneficial effects are that seawater is prevented from entering the roller to corrode the bearing through the sealing cover; when the fishing net drives the roller to rotate, the cover plate slides to the outside of the sealing cover in the radial direction under the action of centrifugal force, the communication hole is moved to the outlet of the oil delivery hole at this time, and the lubricating oil flows out through the oil delivery hole and the communication hole under the action of centrifugal force to supplement the lubricating oil for the bearing; when the roller is stationary, the cover plate blocks the oil delivery hole under the action of the spring to avoid the loss of lubricating oil. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0012] Figure 1 It is a structural schematic view of an embodiment of the fishing boat drag net cylinder structure of the present application.

[0013] Figure 2 It is a structural schematic view of the base of the embodiment of the present application.

[0014] Figure 3 It is a sectional view of the cylinder of the embodiment of the present application.

[0015] Figure 4 It is a sectional view of the sealing cover of the embodiment of the present application.

[0016] Figure 5 It is Figure 4 It is an enlarged view of A in the figure.

[0017] In the figure: 100, base; 110, lower support seat; 120, upper support seat; 130, support shaft; 200, bearing; 210, cylinder; 220, sealing cover; 230, oil storage cavity; 240, oil delivery hole; 250, sliding groove; 260, cover plate; 261, communication hole; 262, counterweight; 270, spring; 280, oil filler cap; 290, limiting plate. DETAILED DESCRIPTION

[0018] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0019] An embodiment of the fishing boat drag net cylinder structure of the present application, such as Figures 1 to 5The structure of a fishing boat trawl roller includes a base 100, a roller 210 and an auxiliary mechanism; the base 100 is fixedly provided with a lower support seat 110 at both ends, the lower support seat 110 is hingedly provided with an upper support seat 120 at the upper end, and the lower support seat 110 and the upper support seat 120 are fixedly provided with a support shaft 130 between them; the support shaft 130 is sleeved with a bearing 200, and the roller 210 is sleeved on the bearing 200; the auxiliary mechanism is arranged at both ends of the roller 210, and is used for waterproofing and supplementing lubricating oil for the bearing 200; after the roller 210 and the bearing 200 are sleeved on the support shaft 130, the upper support seat 120 is opened to fix the support shaft 130 between the upper support seat 120 and the lower support seat 110; when trawling, the fishing net moves along the roller 210 to the deck, the roller 210 rotates to reduce the friction between the fishing net and the ship structure, and in this process, the fishing net carries a large amount of seawater, which is prevented from entering the bearing 200 to corrode the bearing 200 through the auxiliary mechanism, and the auxiliary mechanism is used for supplementing lubricating oil for the bearing 200.

[0020] The auxiliary mechanism includes a sealing cover 220 and an opening and closing assembly, the sealing cover 220 is fixedly installed at both ends of the roller 210 and is rotationally connected with the support shaft 130; the sealing cover 220 is provided with an oil storage cavity 230 inside, a plurality of oil delivery holes 240 are formed in one end of the oil storage cavity 230 close to the bearing 200, and the plurality of oil delivery holes 240 are uniformly distributed along the axial direction of the sealing cover 220; the opening and closing assembly is arranged on the one end of the sealing cover 220 close to the bearing 200; the sealing cover 220 prevents seawater from entering the roller 210 to corrode the bearing 200; the oil storage cavity 230 stores lubricating oil, and when the fishing net drives the roller 210 to rotate, the lubricating oil flows out outward through the oil delivery holes 240 under the action of centrifugal force; the opening and closing assembly is arranged to control the dredging or plugging of the oil delivery holes 240.

[0021] The sealing cover 220 is provided with a plurality of sliding grooves 250 near one end of the bearing 200, and a plurality of oil delivery holes 240 are arranged near the side of the sealing cover 220 close to the support shaft 130 in the radial direction; the opening and closing assembly comprises a cover plate 260 and a spring 270, the cover plate 260 comprises a vertical plate and a horizontal plate, the horizontal plate is fixedly installed at one end of the vertical plate close to the base 100; the horizontal plate is slidingly installed in the sliding groove 250, and the vertical plate is slidingly connected to the one end of the sealing cover 220 close to the bearing 200; the vertical plate is provided with a communication hole 261, and a counterweight 262 is fixedly installed at the end of the vertical plate away from the support shaft 130; the spring 270 is arranged in the sliding groove 250, one end of the spring 270 is fixedly connected to the sliding groove 250, and the other end is fixedly connected to the horizontal plate; when the fishing net drives the roller 210 to rotate, the cover plate 260 slides to the outside of the sealing cover 220 in the radial direction under the action of the gravity of the counterweight 262 and the centrifugal force, at this time, the cover plate 260 drives the communication hole 261 to slide to the outlet of the oil delivery hole 240, so that the lubricating oil flows out to supplement the lubricating oil for the bearing 200; after the roller 210 stops rotating, the cover plate 260 is reset under the action of the spring 270, at this time, the cover plate 260 blocks the oil delivery hole 240 to prevent the lubricating oil from flowing out.

[0022] The end of the sealing cover 220 away from the bearing 200 is provided with an oil filling hole, and an oil filling cover 280 is threadedly connected in the oil filling hole; when it is necessary to add lubricating oil into the oil storage cavity 230, the upper support seat 120 is opened and the oil filling cover 280 is unscrewed, and then the lubricating oil is added into the oil storage cavity 230 through the oil filling hole.

[0023] The roller 210 is fixedly installed with a limiting plate 290 outside both ends; the limiting plate 290 is arranged to prevent the fishing net from sliding off from both ends of the roller 210.

[0024] In combination with the above embodiment, the use principle and working process of the utility model are as follows: after the roller 210 and the bearing 200 are sleeved on the support shaft 130, the upper support seat 120 is opened to fix the support shaft 130 between the upper support seat 120 and the lower support seat 110; when the trawl net moves along the roller 210 to the deck, the roller 210 rotates to reduce the friction between the trawl net and the ship structure, in this process, the trawl net carries a large amount of seawater, and the sealing cover 220 is arranged to prevent the seawater from entering the roller 210 to corrode the bearing 200;

[0025] When the fishing net drives the roller 210 to rotate, the cover plate 260 slides to the outside of the sealing cover 220 in the radial direction under the action of the gravity of the counterweight 262 and the centrifugal force, at this time, the cover plate 260 drives the communication hole 261 to slide to the outlet of the oil delivery hole 240, so that the lubricating oil flows out to supplement the lubricating oil for the bearing 200; after the roller 210 stops rotating, the cover plate 260 is reset under the action of the spring 270, at this time, the cover plate 260 blocks the oil delivery hole 240 to prevent the lubricating oil from flowing out.

[0026] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A trawl drum structure for a fishing vessel, characterised in that: The base (100), the roller (210) and the auxiliary mechanism are included. The lower support seat (110) is fixedly installed on the base (100) at both ends, and the upper support seat (120) is hingedly connected to the upper end of the lower support seat (110); the support shaft (130) is fixedly installed between the lower support seat (110) and the upper support seat (120); the bearing (200) is sleeved on the support shaft (130); and the roller (210) is sleeved on the bearing (200). The auxiliary mechanism is arranged at both ends of the roller (210) and is used for waterproofing and supplementing lubricating oil for the bearing (200).

2. A trawl drum structure for a fishing vessel as claimed in claim 1, characterised in that: The auxiliary mechanism includes a sealing cover (220) and an opening and closing assembly; the sealing cover (220) is fixedly installed at both ends of the roller (210) and is rotationally connected to the support shaft (130); the oil storage cavity (230) is formed in the sealing cover (220); a plurality of oil delivery holes (240) are formed in one end of the oil storage cavity (230) close to the bearing (200); and the plurality of oil delivery holes (240) are evenly distributed along the axial direction of the sealing cover (220).

3. A trawl drum structure for a fishing vessel as claimed in claim 2, characterised in that: A plurality of sliding grooves (250) are formed in one end of the sealing cover (220) close to the bearing (200).

4. A trawl drum structure for a fishing vessel as claimed in claim 3, characterised in that: The opening and closing assembly includes a cover plate (260) and a spring (270); the cover plate (260) includes a vertical plate and a horizontal plate; the horizontal plate is fixedly installed at one end of the vertical plate close to the base (100); the horizontal plate is slidingly installed in the sliding groove (250); the vertical plate is slidingly connected to one end of the sealing cover (220) close to the bearing (200); the communication hole (261) is formed in the vertical plate; the counterweight (262) is fixedly installed at one end of the vertical plate away from the support shaft (130); and the spring (270) is arranged in the sliding groove (250).

5. A trawl drum structure for a fishing vessel as claimed in claim 4, wherein: One end of the spring (270) is fixedly connected to the sliding groove (250), and the other end is fixedly connected to the horizontal plate.

6. A trawl drum structure for a fishing vessel as claimed in claim 5 wherein: An oil filling port is formed in one end of the sealing cover (220) away from the bearing (200); and the oil filling cover (280) is threadedly connected in the oil filling port. The limiting plates (290) are fixedly installed on the outer sides of both ends of the roller (210).

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