CN107054567B

CN107054567B - Underwater cable guiding device

Info

Publication number: CN107054567B
Application number: CN201710437506.2A
Authority: CN
Inventors: 葛杨元; 马云骄; 吕庆桃; 汪彪; 孙东坡
Original assignee: Nantong Liwei Machinery Co Ltd
Current assignee: Nantong Liwei Machinery Co Ltd
Priority date: 2017-06-09
Filing date: 2017-06-09
Publication date: 2023-11-17
Anticipated expiration: 2037-06-09
Also published as: CN107054567A

Abstract

The invention relates to the technical field of marine winches, and particularly discloses an underwater cable guiding device which comprises pulleys, pulley shafts, pulley supports, locking mechanisms, swing seats, fixed shafts, an upper fixed seat and a lower fixed seat, wherein the upper fixed seat and the lower fixed seat are fixed on the side surfaces of a ship body up and down, the swing seats are fixed on the upper fixed seat and the lower fixed seat, two fixed shafts are arranged, one ends of the two fixed shafts are fixed on the swing seats, the other ends of the two fixed shafts are respectively fixed on the upper fixed seat and the lower fixed seat, the pulley supports are connected with the swing seats through rotating pin shafts, the pulleys are assembled on the pulley supports through the pulley shafts, and the locking mechanisms are used for locking the turned pulley supports on the swing seats. The underwater cable guiding device changes a single fixing mode of the cable guiding device into a movable mode, changes the position of the underwater cable guiding device, solves the problem that the navigation resistance is increased due to the fact that the sea water surface icing cable guiding device is in contact extrusion with an ice layer when the ice level ship is navigated, and prolongs the service life of the underwater cable guiding device.

Description

Underwater cable guiding device

Technical Field

The invention belongs to the technical field of marine winches for ships and oceans, and particularly relates to an underwater cable guiding device for changing a sailing damping mechanism of an ice level ship.

Background

The ice-level ship is a ship which can navigate in a certain ice condition according to the grade standard of a ship grade society and the working condition requirement. A cable guide is a device that changes the direction of a cable, limits its position of deployment, and reduces cable wear in order to route the cable from inboard to outboard to a dock or other mooring location. The underwater cable guiding device in the prior art consists of a roller bracket, a roller shaft, a swinging seat, a fixed shaft, a rotary pin shaft, an upper fixing seat, a lower fixing seat and the like, and is fixedly arranged below the outer side of a platform (ship) shell and is positioned under water during normal operation. The existing cable guiding device is fixedly arranged below a waterline, and when a platform (ship) with polar effect sails, the surface of the sea water freezes, so that the cable guiding device is contacted and extruded with an ice layer to increase sailing resistance, and structural members of the cable guiding device are damaged easily.

Disclosure of Invention

The invention aims to solve the technical problem of providing an underwater cable guiding device with long service life for changing damping force of an ice level ship during navigation aiming at the defects of the prior art.

In order to solve the technical problems, the invention provides an underwater cable guiding device which comprises pulleys, pulley shafts, pulley supports, locking mechanisms, swing seats, fixed shafts, upper fixed seats and lower fixed seats, wherein the upper fixed seats and the lower fixed seats are fixed on the side surfaces of a ship body up and down; the pulley support is connected with the swing seat through a rotary pin shaft; the pulley is assembled on the pulley support through a pulley shaft; the number of the locking mechanisms is two, the locking mechanisms are respectively arranged at two ends of the swinging seat, and the locking mechanisms are used for locking the turned pulley support to the swinging seat.

Further, the pulley support is turned up and down through the rotary pin shaft, and the turning angle is 55 degrees upwards and 55 degrees downwards around the rotary pin shaft.

Further, the two fixed shafts are arranged up and down and are parallel to the side surface of the ship body.

Specifically, the outer edge of the pulley is provided with grooves for movement of the cable.

Further, the swing seat can swing left and right, and the maximum swing is +/-90 degrees.

Further, the pulley shaft is made of 2Cr13.

The beneficial effects of the invention are as follows: the underwater cable guide device is simple in structure and convenient to maintain, a single fixing mode of the cable guide device is changed into a movable mode, the position of the underwater cable guide device is changed, the problem that the navigation resistance is increased due to the fact that the sea water surface icing cable guide device is in contact extrusion with an ice layer when an ice level ship is navigated is solved, and the service life of the underwater cable guide device is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the cable guide device of the present invention mounted on the side of a ship hull;

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

fig. 3 is a schematic diagram of the structure of the swing seat after swinging.

In the figure: the device comprises a 1-pulley, a 2-pulley shaft, a 3-pulley support, a 4-locking mechanism, a 5-swinging seat, a 6-fixed shaft, a 7-rotating pin shaft, an 8-upper fixed seat and a 9-lower fixed seat.

Detailed Description

The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the specific embodiment of the invention, as shown in fig. 1 to 2, the invention specifically discloses an underwater cable guiding device, which comprises a pulley 1, a pulley shaft 2, a pulley support 3, a locking mechanism 4, a swinging seat 5, a fixed shaft 6, an upper fixed seat 8 and a lower fixed seat 9, wherein the upper fixed seat 8 and the lower fixed seat 9 are fixed on the side surface of a ship body up and down;

the two ends of the swinging seat 5 are respectively fixed on the upper fixing seat 8 and the lower fixing seat 9, the number of the fixing shafts 6 is two, the two fixing shafts 6 are arranged up and down and are parallel to the side surface of the ship body, one ends of the two fixing shafts are respectively fixed on the swinging seat 5, the other ends are respectively fixed on the upper fixing seat 8 and the lower fixing seat 9,

the pulley 1 is assembled on the pulley support 3 through the pulley shaft 2, a groove for a cable to move is formed in the outer edge of the pulley 1, the pulley support 3 is connected with the swinging seat 5 through the rotating pin shaft 7, the pulley support 3 turns up and down around the rotating pin shaft 7, and the turning angle is 55 degrees upwards and 55 degrees downwards around the rotating pin shaft 7;

the number of the locking mechanisms 4 is two, the locking mechanisms 4 are respectively arranged at two ends of the swinging seat 5, and the locking mechanisms 4 are used for locking the turned pulley support 3 to the swinging seat 5. When the pulley support 3 swings upwards by 55 degrees, the locking mechanism 4 locks the supporting point above the pulley support 3 at the upper end of the swinging seat 5, and when the pulley support 3 swings downwards by 55 degrees, the locking mechanism 4 locks the supporting point below the pulley support 3 at the upper end of the swinging seat 5.

Because the underwater cable guiding device is placed in water for a long time, seawater corrosion and part rusting are avoided, the pulley shaft 2 is made of 2Cr13, the 2Cr13 is not easy to corrode and rust by seawater, smooth rotation of the pulley shaft 2 is ensured, and pulley jamming is avoided.

In a preferred embodiment of the present invention, as shown in fig. 3, the swing seat 5 may swing left and right, and the maximum swing of the swing seat is ±90°.

In a preferred mode of the invention, the pulley 1 is arranged on a pulley support 3 through a pulley shaft 2 to form a component, the pulley support 3 is turned up and down by utilizing the retraction of a chain (cable) of an anchor winch, and the swinging and turning functions are realized according to working condition requirements.

Working condition 1: the marine vessel is anchored and positioned or moved, the pulley assembly is fixed on the lower fixing seat, the locking mechanism acts to lock the turned pulley support, and the pulley position swings along with the angle change of an anchoring line.

Working condition 2: the marine ship polar region operation is moved from one area to another area, the pulley assembly receives the upper fixing seat, and the locking mechanism acts to lock the turned pulley support.

The device of the invention has the working process that when the ship is anchored and positioned in a preset area, the locking mechanism 4 at the upper end of the swinging seat 5 is loosened, one end of the pulley support 3 is turned downwards for 110 degrees around the rotating pin shaft 7, and the locking mechanism 4 at the lower end of the swinging seat 5 locks the lower supporting point of the pulley support 3 to the lower end of the lower swinging seat 5. When the sea water surface icing ship needs to navigate, one end of the pulley support 3 turns upwards by 55 degrees around the rotating pin shaft 7, and the locking mechanism 4 locks the upper supporting point of the pulley support 3 to the upper end of the swinging seat 5.

While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.

Claims

1. The underwater cable guiding device is characterized by comprising a pulley (1), a pulley shaft (2), a pulley support (3), a locking mechanism (4), a swinging seat (5), a fixed shaft (6), an upper fixed seat (8) and a lower fixed seat (9), wherein the upper fixed seat (8) and the lower fixed seat (9) are fixed on the side surface of a ship body up and down; the pulley support (3) is connected with the upper fixing seat (8) and the lower fixing seat (9) through a rotating pin shaft (7), the pulley support (3) is turned up and down through the rotating pin shaft (7), and the turning angle is upward 55 degrees and downward 55 degrees around the rotating pin shaft (7); the pulley (1) is assembled on the pulley support (3) through the pulley shaft (2); the number of the locking mechanisms (4) is two, the locking mechanisms are respectively arranged at two ends of the swinging seat (5), and the locking mechanisms (4) are used for locking the turned pulley support (3) to the swinging seat (5);

the pulley (1) is arranged on a pulley support (3) through a pulley shaft (2) to form a component, the pulley support (3) is turned up and down by utilizing the retraction of a chain of an anchor winch, and the swinging and turning functions are realized according to working condition requirements; the marine vessel is anchored and positioned or moved, the pulley assembly is fixed on the lower fixed seat, the locking mechanism acts to lock the turned pulley support, and the pulley position swings along with the angle change of an anchoring line; the marine ship polar region operation is moved from one area to another area, the pulley assembly receives the upper fixing seat, and the locking mechanism acts to lock the turned pulley support.

2. An underwater mooring arrangement as claimed in claim 1, wherein the two fixed shafts (6) are arranged up and down and are each parallel to the side of the hull.

3. An underwater mooring device as claimed in claim 1, characterized in that the outer edge of the pulley (1) is provided with grooves for the movement of the cable.

4. An underwater mooring device as claimed in claim 1, wherein the swinging seat (5) can swing sideways with a maximum swing of ± 90 °.

5. An underwater mooring as claimed in claim 1, wherein the pulley shaft (2) is of material 2Cr13.