Fair lead for ship docking

Abstract

The utility model belongs to the technical field of fair lead devices, and particularly relates to a fair lead device for ship docking, which comprises an oil storage tank, an air inlet plug and a U-shaped support are mounted on the oil storage tank, two material pumping shafts are rotatably mounted on the oil storage tank, augers are connected to the inner sides of the material pumping shafts, and grooves for mounting pawls in a matched manner are formed in the outer side surfaces of the material pumping shafts. The outer sides of the material pumping shafts are sleeved with first bearings, the outer sides of the first bearings are sleeved with idler wheels, ratchet wheels are fixedly arranged in inner holes of the idler wheels, the ratchet wheels are in one-way meshing connection with pawls, the top ends of the two material pumping shafts are communicated with the two ends of a three-way pipe in the oil spraying assembly, and the other end of the three-way pipe is arranged on the vertical upper portion between the two idler wheels and connected with a spraying head. In the cable winding process, one of the two material pumping shafts synchronously rotates along with the rolling wheel, lubricating oil in the oil storage tank is conveyed into the three-way pipe through the packing auger, the lubricating oil is sprayed out through the spraying head to achieve oil spraying lubrication on the surface of the moving cable, and automatic lubrication on the cable can be achieved without control of other equipment and driving of other power sources.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fairlead, concretely relates to a fairlead for ship berthing. BACKGROUND

[0002] The utility model discloses a kind of ship roller fairleads with the utility model discloses a kind of ship roller fairleads, including installation base, a pair of fairlead is equipped on the installation base, multiple fixed shafts are equipped on the installation base, wherein the end of two fixed shafts away from installation base is respectively inserted in a pair of fairlead, multiple The fixed shaft is rotatably connected with roller, the roller is equipped with cavity, the cavity is equipped with oil injection mechanism, the utility model is equipped with oil storage cavity in the roller, oil injection nozzle is equipped on the contact surface of roller and cable, when oil injection nozzle is coated with oil to cable, piston is pushed to extrude lubricating oil in oil storage cavity by electric push rod, enter oil injection nozzle by intercommunication cavity, and be sprayed on cable by oil injection nozzle, without artificial drop coating, reduce the lubricating oil drop on ground, pollute surrounding environment, by being equipped with oil inlet on the roller, lubricating oil is stored in oil storage cavity by oil inlet, when oil injection is completed, cover is sealed to oil inlet, it is simple and convenient to operate.

[0003] However, the above mechanism has the following problems: the oil injection work of the device needs to use electric push rod, and the opening and closing of the electric push rod needs to be manually controlled; this way improves the manufacturing cost and maintenance difficulty of the device on the one hand, and on the other hand, cannot realize automatic lubrication and oiling during the cable winding process, increasing the amount of manual labor. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model aims to provide a fairlead for ship berthing, which solves the problems of high cost of the existing fairlead that can lubricate and oil the cable, and inability to realize automatic lubrication and oiling during the cable winding process, and increases the amount of manual labor.

[0005] To achieve the above purpose, the utility model adopts the technical scheme: a fairlead for ship berthing, comprising an oil storage tank, a gas inlet plug is installed on the side of the oil storage tank, a U-shaped bracket is installed on the top of the oil storage tank, two draw shafts are rotatably installed on the oil storage tank in a left-right symmetrical manner, a screw conveyor is connected to the inner side of the draw shaft, a groove suitable for installing a pawl is formed on the outer side of the draw shaft, and a bearing one is sleeved on the outer side of the draw shaft, a roller is sleeved on the outer side of the bearing one, a ratchet wheel is fixedly arranged in the inner hole of the roller, the ratchet wheel is connected to the pawl in a one-way meshing manner, the top ends of the two draw shafts are connected to the two ends of a tee joint in a spray oil assembly, and the other end of the tee joint is arranged vertically above the two rollers and connected to a spray head.

[0006] The utility model discloses beneficial effect is: the cable winding process, one of two material extraction shafts synchronous rotation with the gyro wheel, through the screw conveyor the lubricating oil in the oil storage tank is transported to the tee -shaped pipe, realizes the oil injection lubrication to the surface of the cable in movement through the spray head and sprays, need not other equipment control and other power source drive can realize the automatic lubrication of cable.

[0007] In order to effectively avoid the structure damage caused by the negative pressure formed in the device due to the reverse rotation of the screw conveyor;

[0008] As the further improvement of the above technical scheme: the rotation direction of the screw conveyor upward material extraction is same with the meshing direction of the pawl and the ratchet wheel.

[0009] The beneficial effect of the improvement is: when two gyro wheels rotate in opposite directions under the driving of the cable, the gyro wheel with the same rotation direction as the normal material extraction rotation direction of the screw conveyor can drive the material extraction shaft to rotate synchronously through the ratchet mechanism, and the gyro wheel with opposite rotation direction keeps away from the material extraction shaft, avoiding the structure damage caused by the reverse rotation of the screw conveyor.

[0010] In order to keep the stable meshing of the pawl and the ratchet wheel;

[0011] As the further improvement of the above technical scheme: one end of the pawl is rotatably connected with the material extraction shaft through the pin shaft, and the V-shaped spring sheet is clamped between the pawl and the material extraction shaft.

[0012] The beneficial effect of the improvement is: the pawl can keep the stable one-way meshing with the ratchet wheel under the elastic support of the spring sheet, or retract in the sunken groove of the material extraction shaft.

[0013] In order to keep the stable meshing of the pawl and the ratchet wheel;

[0014] As the further improvement of the above technical scheme: the number of the pawls is multiple, and the pawls are equidistantly arranged around the axis of the material extraction shaft.

[0015] The beneficial effect of the improvement is: multiple pawls can ensure the uniformity of power transmission when meshing with the ratchet wheel, so that the gyro wheel drives the material extraction shaft to rotate stably.

[0016] In order to ensure the smoothness of the rotation of the material extraction shaft;

[0017] As the further improvement of the above technical scheme: the bearing two is installed between the material extraction shaft, the oil storage tank and the U-shaped support.

[0018] The beneficial effect of the improvement is: the bearing two plays the role of rolling support for the material extraction shaft, ensuring the smoothness of the rotation of the material extraction shaft.

[0019] In order to ensure that the oil body is effectively sprayed on the cable;

[0020] As a further improvement of the above technical solution: the tee pipe is installed on a support, the support is installed on a U-shaped support, two ends of the tee pipe are connected with sealing covers, the sealing covers are rotatably installed on top ends of the material extraction shafts, one-way valves are installed between the two ends of the sealing covers and the spray heads, and the valve flow directions of the one-way valves are from the sealing covers to the spray heads.

[0021] The improved beneficial effect is that the one-way valves can avoid the oil in the tee pipe entering the tee pipe through one material extraction shaft and flowing back to the oil storage tank through another material extraction shaft.

[0022] In order to effectively ensure the cleanliness of the oil;

[0023] As a further improvement of the above technical solution: a threaded hole is formed in the oil storage tank and is connected with an air inlet plug, the air inlet plug is in the form of an externally threaded pipe, and a filter screen is installed on an end port of the air inlet plug outside the oil storage tank.

[0024] The improved beneficial effect is that external air can enter the inside of the oil storage tank through the air inlet plug, so that the device can smoothly lubricate and oil the cable, and the filter screen can prevent large impurities in the air from entering the inside of the oil storage tank.

[0025] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a sectional view of the device;

[0027] Figure 2 is a structural schematic view of the device;

[0028] Figure 3 is a structural schematic view of the air inlet plug in the device;

[0029] Figure 4 is a structural schematic view of the material extraction shaft in the device;

[0030] Figure 5 is a sectional view of the ratchet wheel in the device;

[0031] In the figure: 1, oil storage tank; 2, U-shaped support; 3, air inlet plug; 31, filter screen; 4, material extraction shaft; 41, auger; 5, pawl; 51, spring leaf; 6, ratchet wheel; 7, bearing one; 8, roller; 9, oil injection assembly; 91, sealing cover; 92, tee pipe; 93, support; 94, one-way valve; 95, spray head; 10, bearing two. DETAILED DESCRIPTION

[0032] In order to make the technical solution of the present application better understood by those skilled in the art, the present application will be described in detail below in conjunction with the drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0033] Example 1:

[0034] As Figure 1The utility model provides a kind of fairlead for ship berthing, including oil storage tank 1, air inlet plug 3 is installed in the side of the oil storage tank 1, U-shaped support 2 is installed in the top of the oil storage tank 1, two draw shafts 4 are symmetrically rotatably installed on the oil storage tank 1, the inside of the draw shaft 4 is connected with auger 41, recess is opened in the outside of the draw shaft 4, and the recess is adapted to install ratchet pawl 5, and the outside of the draw shaft 4 is sleeved with bearing one 7, the outside of bearing one 7 is sleeved with gyro wheel 8, ratchet wheel 6 is fixed in the inner hole of gyro wheel 8, ratchet wheel 6 is engaged in one-way connection ratchet pawl 5, the top of two draw shafts 4 is connected with the two ends of three-way pipe 92 in oil injection assembly 9, the other end of three-way pipe 92 is arranged vertically above two gyro wheels 8 and is connected with spray head 95, during cable winding process, one of two draw shafts 4 is synchronously rotated with gyro wheel 8, and the lubricating oil in oil storage tank 1 is transported to three-way pipe 92 by auger 41, and the lubricating oil is sprayed out to realize the oiling lubrication to the surface of moving cable by spray head 95, without other equipment control and other power source drive, the automatic lubrication to cable can be realized, the rotating direction of auger 41 is same with the meshing direction of ratchet pawl 5 and ratchet wheel 6, when two gyro wheels 8 are rotated in opposite directions under the drive of cable, the gyro wheel 8 in the same rotating direction with normal draw of auger 41 can be synchronously rotated by ratchet mechanism, and the gyro wheel 8 in opposite rotating direction makes gyro wheel 8 and draw shaft 4 keep apart, avoid structural damage caused by reverse rotation of auger 41, one end of ratchet pawl 5 is rotatably connected with draw shaft 4 by pin shaft, V-shaped spring leaf 51 is clamped between ratchet pawl 5 and draw shaft 4, ratchet pawl 5 can be stably engaged in one-way with ratchet wheel 6 under the elastic support of spring leaf 51, or keep apart from the ratchet groove of ratchet wheel 6 and contract in the sunken groove opened in draw shaft 4, the number of ratchet pawl 5 is multiple, and is equidistantly arranged around the axis of draw shaft 4, multiple ratchet pawls 5 can ensure the uniformity of power transmission when being engaged in connection with ratchet wheel 6, so that gyro wheel 8 stably rotates draw shaft 4, bearing two 10 is installed between draw shaft 4 and oil storage tank 1, U-shaped support 2, and bearing two 10 plays the role of rolling support draw shaft 4, to ensure the smoothness of draw shaft 4 rotation, three-way pipe 92 is installed on support 93, support 93 is installed on U-shaped support 2, the two ends of three-way pipe 92 are connected with sealing cover 91, sealing cover 91 is rotatably covered in the top of draw shaft 4, one-way valve 94 is installed between the two ends of sealing cover 91 and spray head 95, the valve path flow direction of one-way valve 94 is the direction from sealing cover 91 to spray head 95, one-way valve 94 can avoid the oil in three-way pipe 92 through one draw shaft 4 backflows to oil storage tank 1 through another draw shaft 4, threaded through hole is opened in the oil storage tank 1, and the inner thread of air inlet plug 3 is connected, air inlet plug 3 is outer thread pipe structure, and the end port of air inlet plug 3 located at the outside of oil storage tank 1 is installed with filter screen 31, external air can enter the inside of oil storage tank 1 through air inlet plug 3, to ensure that the device lubricates cable smoothly,The filter screen 31 can prevent large impurities in the air from entering the inside of the oil storage tank 1.

[0035] The working principle of the technical solution is as follows: when the cable is wound through the two rollers 8, the rollers 8 rotate under the driving of the cable, and the rotation directions of the two rollers 8 are opposite; at this time, the ratchet 6 installed on the roller 8 whose rotation direction is opposite to the rotation direction of the auger 41 does not engage with the pawl 5, so that the roller 8 rotates relative to the material extraction shaft 4, and the ratchet 6 installed on the other roller 8 whose rotation direction is the same as the rotation direction of the auger 41 unidirectionally engages with the pawl 5, thereby driving the material extraction shaft 4 to rotate, and the auger 41 transports the lubricating oil in the oil storage tank 1 into the three-way pipe 92 when the material extraction shaft 4 rotates, and sprays out through the nozzle 95 to realize oil spraying lubrication on the surface of the moving cable, without the need for other equipment control and other power sources to drive to realize automatic lubrication of the cable.

[0036] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, such that processes, methods, articles, or devices that comprise a list of elements do not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices.

[0037] The principles and embodiments of the application are described herein by applying specific examples, and the above examples are only used to help understand the method of the application and its core idea. The above description is only the preferred embodiments of the application, and it should be noted that due to the limited nature of the language expression, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, without departing from the principles of the application, a number of improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the application.

Claims

1. A fairlead for a vessel, characterized in that: The utility model provides an oil storage tank, the side of the oil storage tank (1) is equipped with air inlet plug (3), the top of the oil storage tank (1) is equipped with U type support (2), the oil storage tank (1) is installed with two draw shafts (4) on the left and right symmetry rotation, the inner side of draw shaft (4) is connected with auger (41), the outer side of draw shaft (4) is equipped with the recess of the adaptation installation pawl (5), and the outer side of bearing one (7) is sleeved with the pulley (8) of draw shaft (4), the inner hole of pulley (8) is fixed with ratchet wheel (6), ratchet wheel (6) one-way engagement connects pawl (5), the top of two draw shafts (4) is connected with the two ends of three -way pipe (92) in oil injection assembly (9), the other end of three -way pipe (92) is set up between two pulleys (8) and is connected with shower nozzle (95) vertically above.

2. A fairlead for a moored vessel as claimed in claim 1, characterised in that: The rotation direction of the auger (41) is the same as the engagement direction of the pawl (5) and the ratchet wheel (6).

3. A fairlead for a moored vessel as claimed in claim 1, characterised in that: One end of the pawl (5) is rotatably connected to the draw shaft (4) by a pin shaft, and a spring leaf (51) in a V-shaped structure is clamped between the pawl (5) and the draw shaft (4).

4. A fairlead according to claim 1, characterized in that: The number of pawls (5) is multiple, and they are arranged equidistantly around the axis of the draw shaft (4).

5. A fairlead according to claim 1, characterized in that: The draw shaft (4) is installed with bearing two (10) between the oil storage tank (1) and the U-shaped support (2).

6. A fairlead according to claim 1, characterized in that: The three-way pipe (92) is installed on the support (93), the support (93) is installed on the U-shaped support (2), the two ends of the three-way pipe (92) are connected with the sealing cover (91), the sealing cover (91) is rotatably covered on the top end of the draw shaft (4), and the two ends of the sealing cover (91) and the shower nozzle (95) are both installed with one-way valve (94), and the valve path flow direction of the one-way valve (94) is from the sealing cover (91) to the shower nozzle (95).

7. A fairlead according to claim 1, characterized in that: A threaded hole is formed in the oil storage tank (1) to connect the air inlet plug (3), the air inlet plug (3) is an externally threaded pipe structure, and a filter screen (31) is installed on the end port of the air inlet plug (3) outside the oil storage tank (1).

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