WO2012144669A2

WO2012144669A2 - Winch system for offshore anchoring, and method for operating same

Info

Publication number: WO2012144669A2
Application number: PCT/KR2011/002852
Authority: WO
Inventors: 강종수; 이계광; 정효석
Original assignee: 미래산업기계 주식회사
Priority date: 2011-04-19
Filing date: 2011-04-20
Publication date: 2012-10-26
Also published as: KR20120118729A; WO2012144669A3

Abstract

The present invention relates to a winch system for offshore anchoring, and to a method for operating same. The winch system for offshore anchoring includes: a winch device fixed to one side of a buoyant body which is to float on the sea surface, one end of the winch device being intended for selectively winding a chain to which an anchor is coupled; a fairleader for guiding the moving direction of the chain when the chain is moved; a water-pressure device providing water pressure for operating the winch device; a control device for electrically and mechanically controlling the water-pressure device and the winch device; and an operating chamber for manipulating the water-pressure device, the winch device, and the control device.

Description

Marine anchoring winch system and its operation method

The present invention relates to a marine anchoring winch system and a method of operating the floating mooring floating on the sea, and to enable rapid control in the event of an emergency to minimize damage to the hull, peripheral devices and equipment.

Maritime transportation by ship uses less energy than other means of transportation and the transportation cost is low, making up a large part of international trade.

In recent years, in marine transportation such as container ships, large-scale vessels are used to improve the efficiency of transportation, which is to secure the economics of transportation by increasing the volume of vessels.

Accordingly, more and more ports are required for mooring and unloading facilities that can dock large vessels.

However, harbors that can dock large container ships are limited to domestic and overseas, and the construction of such ports requires a lot of expenses due to dredging to maintain the required port depth, as well as a large place.

In addition, the construction of a large port has a lot of restrictions on the construction of a large port because it affects the surrounding environment, such as causing a traffic jam or destruction of the coastal environment.

Accordingly, many developments are being made in mobile harbors (mobile harbors) that can load and unload cargo while anchoring offshore ships without docking large vessels.

Hulls and facilities moored at sea are urgently required to maintain equilibrium. In other words, since the fluctuation of the vessel is indispensable under the influence of wind, blue, or tidal current, there is a need for a system that can maintain the equilibrium during operation even if such fluctuation factors occur.

Accordingly, many facilities for fixing the position in the ocean such as an automatic position control system (DPS) or an internal mooring system have been developed.

However, among the various configurations that make up such a system, the equipment that plays the biggest role in fixing the position is an anchoring winch system, and in general, various positions of the sea are changed by adjusting the tension of the rope connected to the drum of the winch. Corresponding to.

That is, the tension of the rope is controlled so that the tension on the rope can be automatically adjusted by loosening or twisting the rope using a tension winch.

However, such a conventional system requires a user to directly input a command in any marine environment, and therefore, it is impossible to cope quickly, and has a problem that excessive work time and labor are required.

In addition, the delay of such a response not only acts to threaten the safety of the marine floating body, but also has a problem in that maintenance and maintenance are not easy.

An object of the present invention for solving the problems as described above, marine anchoring to ensure stable mooring of the floating floating on the sea, and to quickly control in the event of an emergency situation to minimize the damage of the floating body, peripheral devices and equipment The present invention provides a winch system and a method of operating the same.

Another object of the present invention is to operate in accordance with the user's command in the event of an emergency, marine anchoring to facilitate the maintenance and management by detecting the need as needed so that measures for emergency response can be carried out automatically The present invention provides a winch system and a method of operating the same.

The marine anchoring winch system according to the present invention for achieving the above object is a winch device which is fixed to one side of the floating body floating on the sea, and selectively winding the chain coupled to the anchor at one end, and during the movement of the chain A fairlead for guiding the movement direction, a hydraulic pressure device for providing a hydraulic pressure for the operation of the winch device, a control device for electrical and mechanical control of the hydraulic pressure device and the winch device, the hydraulic pressure device, the winch device and the control device Characterized in that it comprises a cab for operating the.

The winch device includes a motor for generating rotational power, a plurality of windings for winding the chain, a brake for selectively braking rotation of the plurality of windings, and a rotational power of the motor to a plurality of windings. It comprises a gearbox and a clutch for transmitting.

The hydraulic device is characterized by varying the magnitude of the hydraulic pressure provided to the brake, the gearbox and the clutch in accordance with the transfer speed and the magnitude of the tension of the chain.

At least one side of the winch device, the hydraulic device, the control device, the cab is operated by the user in an emergency to stop the operation of the hydraulic device, an emergency stop is operated by the user in the emergency braking unit, gear box and Emergency release unit for canceling the control of the clutch is characterized in that it is provided.

The emergency stop unit is characterized in that to maintain the operation unoperable state when operating the emergency release unit.

One side of the winch device, characterized in that the encoder for measuring the length of the chain is provided.

The operating method of the marine anchoring winch system according to the present invention comprises a winch device installed on the floating body of the sea selectively winding the chain coupled to the anchor, a fairlead for guiding the movement direction of the chain, and A device checking step for confirming a state of an offshore anchoring winch system including a hydraulic pressure device for providing a hydraulic pressure for operation of the winch device, and a control device for electrical and mechanical control of the hydraulic pressure device and the winch device; A hydraulic startup step of operating the device, an inverter startup step of operating the inverter, an initial step of waiting for the operation command by the winch device, the fairlead and the control device, an anchor operation mode, an operation mode, a management mode, an emergency stop mode. Mode selection step of selecting any one of the emergency response mode, and mode execution to execute the mode selected in the mode selection step And a standby step of waiting for a mode selection command after stopping the mode execution step, a fixing step of fixing the anchor, and a system stop step of stopping the marine anchoring winch system.

When the emergency stop mode is selected in the mode selection step, the emergency stop mode is first executed even if any one of the anchor operation mode, the operation mode, and the management mode is executed.

When the emergency response mode is selected in the mode selection step, the emergency response mode is first executed even if any one of the anchor operation mode, the operation mode, the management mode, and the emergency stop mode is executed.

In the device identification step, the seawater temperature, wave height, climate, and algae around the floating body are detected using a plurality of sensors.

During the system stop step, the hydraulic pressure device is characterized in that to maintain more than the set pressure.

In the present invention, it is configured to enable stable mooring of the hull floating in the sea, and quick control in the event of an emergency.

Therefore, the damage of the hull, peripheral devices and equipment is minimized, there is an advantage that can minimize the safety accident.

In addition, in the present invention, when an emergency occurs, it can be operated according to a user's command, and if necessary, it is configured to automatically detect an emergency situation and to take action.

Therefore, there is an advantage in that the marine anchoring winch system is easy to adjust, maintain and manage, and the ease of use is improved.

1 is a partial cutaway perspective view showing the configuration of a preferred embodiment of the marine anchoring winch system according to the present invention.

Figure 2 is a perspective view showing the internal configuration of the cab as one configuration in the marine anchoring winch system according to the present invention.

Figure 3 is a perspective view showing the configuration of the winch device which is one configuration in the marine anchoring winch system according to the present invention.

Figure 4 is a state diagram showing the appearance configuration of the fairlead as one configuration in the marine anchoring winch system according to the present invention.

Figure 5 is a perspective view showing the configuration of a hydraulic device and a control device as one configuration in the marine anchoring winch system according to the present invention.

Figure 6 is a flow chart showing a method of operating the marine anchoring winch system according to the present invention.

Explanation of symbols on the main parts of the drawings

10. Float 12. Pontone

20. Anchor 30. Chain

100. Winch System 120. Winch

122. Winding section 124. Braking section

140. Motor 160. Gearbox

162. Dynamic Brake 180.Clutch

200. Fairleader 220. Direction guide

240. Friction Reduction Unit 300. Hydraulic Press

320. Accumulator 400. Controller

500. Cab 520. Joystick

540. Touchscreen 560. Buttons

S100. Device identification step S200. Hydraulic startup stage

S300. Inverter start-up step S400. Early stage

S500. Mode selection step S600. Mode execution step

S700. Standby phase S800. Fixed stage

S900. System stop step

Hereinafter, with reference to the accompanying drawings will be described the configuration of the marine anchoring winch system according to the present invention.

1 is a partial cutaway perspective view showing the configuration of a preferred embodiment of the marine anchoring winch system (hereinafter referred to as the 'winch system') according to the present invention.

As shown in the figure, the winch system is a system for controlling the operation of the winch device 100 that selectively restricts the movement of the float 10 floating on the sea. It is configured to control the winch device 100 or a user's operation automatically.

To this end, the winch system is a winch device 100 for selectively winding the chain 30 coupled to the anchor 20 at one end, and the direction of movement of the chain 30 when unwinding or winding the chain 30. Guiding the fairlead 200, the hydraulic pressure device for providing a hydraulic pressure for the operation of the winch device 100, and the control for electrical and mechanical control of the hydraulic device 300 and the winch device 100 It comprises a device 400, the hydraulic pressure device 300, the winch device 100 and the cab 500 for operating the control device 400.

The winch device 100 and the cab 500 are located above the phonton 12 of the floating body 10, and the control device 400 and the hydraulic pressure device 300 are installed inside the phonton 12.

In addition, the hydraulic pressure provided by the operation of the hydraulic device 300 generates a force for the winch device 100 to brake the chain 30, and is always available even when the winch system is running or stopped. It is running.

Hereinafter, an internal configuration of the cab 500 will be described with reference to FIG. 2.

2 is a perspective view showing the internal configuration of the cab 500 which is one configuration in the marine anchoring winch system according to the present invention.

As shown in the drawing, the cab 500 is configured to adjust the winch system, and a predetermined space is formed inside the driver, and a joystick 520, a touch screen 540, and independently adjust the configurations. A button 560 is provided.

Accordingly, the driver may check the operation state or setting condition of the components through the touch screen 540, and may be configured to change the setting as necessary.

Figure 3 is a perspective view showing the configuration of the winch device 100 which is one configuration in the marine anchoring winch system according to the present invention.

The winch device 100 is provided with a plurality of winch 120 serves to wind or unwind the chain 30, in the embodiment of the present invention the winch 120 is configured in a pair to be symmetrical with each other Placed.

The winch 120 is provided with a winding part 122. The winding part 122 is formed to have a shape in which the inside is recessed, and is configured such that the chain 30 is wound around the outer circumferential surface by rotation, and each one is provided in the pair of winches 120.

The braking part 124 is provided inside the winding part 122. The braking unit 124 is applied to the band brake, the operation is controlled by the hydraulic pressure provided from the hydraulic device 300, each of the braking unit 124 is configured to enable individual operation.

A motor 140 is provided at the rear between the pair of winches 120. The motor 140 is configured to provide rotational power to the winch 120, in the embodiment of the present invention, the motor 140 is configured as a single to provide the rotational power to the pair of winch 120 at the same time Done.

To this end, the gearbox 160 and the clutch 180 are provided on the right side of the motor 140. The gear box 160 and the clutch 180 are also operated using the hydraulic pressure provided from the hydraulic device 300, the gear box 160 by adjusting the speed of the rotational power provided from the motor 140 It is transmitted to the clutch 180.

In addition, the clutch 180 is configured to selectively transmit the rotational power of the motor 140 transmitted through the gearbox 160 to the winch 120.

The gear box 160 is further provided with a dynamic brake 162. The dynamic brake 162 is configured to operate by water pressure to reduce the rotational force of the motor 140, and is configured to circulate water and cool.

On one side of the winch device 100, an encoder (not shown) for measuring the length of the chain 30 is provided. The encoder is configured to detect the length of the chain 30, and by setting the maximum unwinding and winding length of the chain 30 in advance to detect it, excessive winding or unwinding operation of the winch 120 may be blocked in advance. To be able.

Hereinafter, the configuration of the fair reader 200 will be described with reference to FIG. 4.

4 is a state diagram showing the appearance configuration of the fairlead 200 as one configuration in the marine anchoring winch system according to the present invention.

The fairlead 200 is configured to be easy to move with respect to the direction of the tension generated in the chain 30 by the operation of the winch 120, the friction force with the chain 30 is configured to minimize.

That is, the fairlead 200 is attached to the side wall of the floating body 10 is provided with a direction guide portion 220 for guiding the entire fairlead 200 to rotate in accordance with the tension direction of the chain 30, A friction reducing part 240 is provided to rotate along the conveying direction of the chain 30 to reduce the frictional force.

Therefore, the fairlead 200 is the direction guide portion 220 and the friction reducing portion 240, even if the tensile force is generated in any direction when pulled or released by the operation of the winch 120 of the chain 30 At the same time, it can be rotated and guided with a minimum of friction.

Hereinafter, the configuration of the hydraulic apparatus 300 and the control apparatus 400 will be described with reference to FIG. 5.

5 is a perspective view showing the configuration of the hydraulic device 300 and the control device 400 as one configuration in the marine anchoring winch system according to the present invention.

As shown in the drawing, the hydraulic device 300 is installed in the phonton 12 to provide water pressure in a variety of configurations, it is configured to enable the size adjustment of the water pressure.

More specifically, the hydraulic device 300 may vary the magnitude of the hydraulic pressure provided to the brake unit 124, the gearbox 160 and the clutch 180 according to the feed speed and the magnitude of the tension of the chain 30. It is configured to be.

In addition, the hydraulic device 300 may be provided with an accumulator (accumulator.320) to compress the hydraulic pressure to a high pressure, and operates when the pressure of the accumulator 320 is less than 250bar to operate inside the accumulator 320. The pressure is automatically controlled to maintain the proper pressure of 295 bar.

The control device 400 is provided at the rear of the hydraulic device 300. The control device 400 is a configuration capable of electrical / mechanical control of the hydraulic device 300 and the winch device 100, and consists of a plurality of elements.

That is, the control device 400 includes a power distribution panel, an inverter, a brake register for controlling the operation of the control device 400, a PLC, a UPS, and a start panel for controlling the operation of the hydraulic device 300. And an emergency response panel.

In addition, the control device 400 collects the data received from the air volume sensor, wave height sensor, bird sensor, etc. for detecting external force conditions (for example, air volume, crest, algae, etc.) affecting the position of the floating body 10 And simultaneously perform the role of processing.

The emergency response panel is provided with an emergency release part operated by a user in an emergency to release control of the brake unit 124, the gear box 160, and the clutch 180, and the emergency release part may be loaded in an emergency situation. It is preferable that a plurality of places are provided in a plurality of places to be operated by a user.

And, although not shown, the emergency stop unit is further provided on one side of the control device 400. The emergency stop unit is operated by a user like the emergency release unit and is configured to limit the operation of the hydraulic apparatus 300.

The emergency release section is executed in preference to the emergency stop section, and when the emergency stop section is abnormally operated at the execution command, the emergency release section is configured to be automatically implemented.

That is, the emergency stop unit maintains an operation inoperable state during the operation of the emergency release unit.

The emergency stop unit and the emergency release unit may be provided not only on one side of the control device 400 but also on one or more sides of the winch device 100, the hydraulic pressure device 300, and the cab 500.

Hereinafter, a method of operating the winch system configured as described above will be described with reference to FIG. 6.

6 is a flowchart illustrating a method of operating the marine anchoring winch system according to the present invention.

As shown in the figure, the winch system is operated by sequentially performing a plurality of steps, and the emergency stop mode and the emergency response mode may be selectively operated by a user according to the marine environment around the floating body 10.

The winch system is a device check step (S100) for checking the status of the winch device 100, the fair reader 200, the hydraulic device 300 and the control device 400 and the hydraulic pressure to operate the hydraulic device 300 A start step (S200), an inverter start step (S300) for operating the inverter, an initial step (S400) for the winch device 100, the fairlead 200, and the control device 400 to wait for an operation command; A mode selection step (S500) of selecting any one of an anchor operation mode, an operation mode, a management mode, an emergency stop mode, and an emergency response mode; a mode execution step (S600) of executing a mode selected in the mode selection step; A standby step (S700) of waiting for a mode selection command after stopping the mode execution step, a fixing step (S800) of fixing the anchor 20, and a system stop step (S800) of stopping the marine anchoring winch system; ) To remain anchored to the ocean.

The first step in the device check step (S100) is the process of applying power to the system, the braking unit 124, the clutch 180, the dynamic brake 162, the gear box 160, the hydraulic pressure when the power is applied The device 300 is checked, and at the same time, the climatic conditions of the ocean, the crest, and the sea water temperature are also checked.

When the device checking step (S100) is completed, the brake unit 124, the clutch 180, the dynamic brake 162, the gear box 160, the hydraulic device 300 is set to an initial state, and then the hydraulic pressure starts. Step S200 is performed.

The hydraulic pressure startup step (S200) is a step of operating the hydraulic pressure device 300 to enable the operation of a plurality of elements constituting the winch system, whether or not the operation of the winch device 100 is directly connected to the safety of the winch system first of all Will start.

After the hydraulic pressure startup step S200, an inverter startup step S300 is performed. The inverter start-up step (S300) is configured to allow power supply to the motor 140, the hydraulic pressure start step (so as to enable the power supply to the configuration that requires power as well as the motor 140) Immediately after S200).

After the inverter start-up step (S300), the initial step (S400) is carried out. The initial step (S400) is not an error occurs during the device check in the device check step (S100), the start of the hydraulic pressure device 300 is completed, the operation of the inverter is smooth, the mode selection step (S500) This is a preparatory step to enable execution when selecting various modes through.

After the initial step (S400), the mode selection step (S500) is carried out. The mode selection step S500 is largely divided into an anchor operation mode, an operation mode, a management mode, an emergency stop mode, and an emergency response mode.

The mode selected in the mode selection step S500 is performed through the mode execution step S600.

The anchor operation mode is a mode in which the winch 120 is moved by winding or releasing the chain 30 by the winding part 122 of the winch 120 rotating by the operation of the hydraulic apparatus 300. The joystick 520 provided in the 500 may be used for simple control.

Looking at the state of each configuration in the anchor operation mode, the hydraulic device 300 maintains a constant pressure 295bar, the clutch 180 and the gearbox 160 is on. In addition, the braking unit 124 maintains the off state to release the restraint so that the rotation of the winding unit 122 is possible.

When the tension applied to the chain 30 is higher than the set pressure, the winch device 100 notifies the driver by using a separately provided notification means, and the winding speed of the chain 30 is maintained to maintain the set pressure or less. Will be adjusted.

The operation mode is a mode applied when the floating body 10 is moved, and when the tensile force is applied to the anchor 20 by a traction line, the tensile force is transmitted to the floating body 10 through the chain 30. The fluid 10 is movable, where the chain 30 is controlled to maintain a constant tension.

In addition, the operation mode is also a mode to enable the rapid movement of the anchor 20 by releasing the restraining force of the chain 30 when carried by the traction ship to the position where the anchor 20 is to be installed.

At this time, the winch device 100 is to maintain the set tension without a complete release of the restraint when the tension force is applied to the chain 30 by the traction line to prevent the unlimited loosening in advance to prevent the anchor (moved by the traction line ( It is possible to install the anchor 20 directly in the position of 20).

The management mode is a mode that manages the maintenance and management function of the winch system, and includes the setting of the sensor, operation test for each mode, and the like.

The management mode is configured to be able to change some settings through the touch screen 540 provided in the cab 500.

On the other hand, when selecting the emergency stop mode in the mode selection step (S500), even if any one of the anchor operation mode, the operation mode, the management mode is executed, the emergency stop mode is executed first.

The emergency stop mode is independently performed regardless of the condition when the emergency stop mode is executed by the user even during the above-described anchor operation mode, operation mode, and management mode.

The emergency stop mode is completed when the user stops the emergency stop mode after taking an error or malfunction in each component.

In addition, when the emergency response mode is selected in the mode selection step (S500), the emergency response mode is executed first even if any one of the anchor operation mode, the operation mode, the management mode, and the emergency stop mode is executed.

The emergency response mode is implemented by the user operating the emergency response unit when an emergency occurs during the operation of the winch system, to minimize the damage to the floating body 10, peripheral devices and equipment.

In more detail, the hydraulic pressure device 300 is operated, and the clutch 180, the gearbox 160, and the dynamic brake 162 are not in operation.

However, for example, when the clutch 180 operates, the clutch 180 is converted into a non-operating state after the braking unit 124 is operated.

In addition, when the internal pressure of the gearbox 160 is greater than the minimum pressure, the operation of the brake unit 124 may be controlled to convert the clutch 180 into an inactive state.

After the mode execution step (S600), the standby step (S700) is carried out. The standby step (S700) is a step of stopping the mode executed in the mode execution step (S600) and waiting for the winch system in the same state as the initial step (S400).

After the waiting step (S700), the fixing step (S800) is carried out. The fixing step (S800) is a step of terminating the operation of the winch system and fixing the anchor 20, the inverter and the gearbox 160 to maintain the operating state, the clutch 180 is in a non-operational state.

Then, the inverter and the hydraulic pressure device 300 are stopped after a predetermined time, and the internal pressure of the hydraulic pressure device 300 continuously detects the set pressure and selectively operates and maintains the pressure below the set pressure.

In this state, the anchor is fixed to the sea floor through a fixing operation.

After the fixing step (S800), a system stop step (S900) is carried out. The system stop step (S900) is a process of ending the operation of all the devices, the hydraulic device 300 is controlled to maintain more than the set pressure.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

Claims

A winch device fixed to one side of the floating body floating on the sea, and selectively winding a chain having an anchor coupled to one end thereof;

A fair reader for guiding a moving direction when the chain moves;

A hydraulic pressure device for providing a hydraulic pressure for operation of the winch device;

A control device for electrical and mechanical control of the hydraulic pressure device and the winch device;

Marine anchoring winch system, characterized in that it comprises a cab for operating the hydraulic device, the winch device and the control device.
According to claim 1, The winch device,

A motor generating rotational power,

A plurality of windings for winding the chain,

A braking unit for selectively braking rotation of the plurality of windings;

Marine anchoring winch system characterized in that it comprises a gearbox and a clutch for transmitting the rotational power of the motor to a plurality of windings.
3. The marine anchoring winch system according to claim 2, wherein the hydraulic device varies the magnitude of the hydraulic pressure provided to the brake, the gearbox and the clutch according to the conveyance speed and the tension of the chain.
According to claim 3, At least one side of the winch device, the hydraulic device, the control device, the cab,

An emergency stop unit operated by a user in an emergency to limit the operation of the hydraulic device;

An offshore anchoring winch system, comprising: an emergency release unit operated by a user in an emergency to release control of a brake unit, a gearbox, and a clutch.
5. The marine anchoring winch system according to claim 4, wherein the emergency stop maintains an unoperable state when operating the emergency release unit.
The marine anchoring winch system according to claim 5, wherein an encoder for measuring the length of the chain is provided at one side of the winch device.
A winch device for selectively winding a chain coupled to an anchor at one end of the floating body at sea, a pair reader for guiding a direction of movement of the chain, a hydraulic device for providing hydraulic pressure for the operation of the winch device; Checking the status of the marine anchoring winch system comprising a control device for electrical and mechanical control of the hydraulic device and the winch device;

A hydraulic pressure startup step of operating the hydraulic pressure device;

An inverter startup step of operating the inverter,

An initial step in which the winch device, the fair reader and the control device wait for an operation command;

A mode selection step of selecting one of the anchor operation mode, the operation mode, the management mode, the emergency stop mode, and the emergency response mode;

A mode execution step of executing the mode selected in the mode selection step;

A standby step of waiting for a mode selection command after stopping the mode execution step;

A fixing step of fixing the anchor;

Method of operating the marine anchoring winch system, characterized in that consisting of a system stop step of stopping the marine anchoring winch system.
8. The marine anchoring winch system according to claim 7, wherein the emergency stop mode is executed first even if any one of the anchor operation mode, the operation mode, and the management mode is executed when the emergency stop mode is selected in the mode selection step. Operating method.
10. The method of claim 8, wherein when the emergency response mode is selected in the mode selection step, the emergency response mode is executed first even if any one of the anchor operation mode, the operation mode, the management mode, and the emergency stop mode is executed. How to operate the anchoring winch system.
8. The method of claim 7, wherein in the device identification step, the seawater temperature, wave height, climate, and algae around the floating body are detected using a plurality of sensors.
7. The method of claim 6, wherein the hydraulic device maintains a predetermined water pressure or more during the system stop step.