KR101788941B1 - A control system of moving tow line for Offshore - Google Patents

Abstract

An example of an inline control system for an offshore plant according to the present invention comprises a pair of shackles selectively restraining an inline side of an example of interlocking with the operation of a winch and a pair of shackles for guiding the movement direction of the inline and limiting the range of motion, A pair of toe pins for performing linear motion in the same direction when rotated, a lifter for lifting the in-line upwardly so as to be linearly reciprocated at a position adjacent to the shark tank, A phase detector for detecting the phase of the inline; a control unit for controlling the operation of the shark, the toe pin, the lifter and the phase sensing unit; And a lifter and a phase sensing unit. The lifter and phase sensing unit selectively receive the shark joint, the toe pin, the lifter, And a body.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control system for a marine plant,

The present invention relates to an example of an inline control system for an offshore plant, including an example of interlocking with the operation of a winch, a shark jaw selectively restraining one side of the inline, and a towing pin guiding the movement of the inline, To an example inline control system for offshore plants.

The present invention includes a load sensing unit for sensing a load applied to a shackle by an inline, and a phase sensing unit for sensing the phase of the inline, which extends through the token pin to the outside, Line control system for an offshore plant.

The present invention relates to an example inline control system for an offshore plant having a lifter behind the shark to allow the inline to be selectively spaced from the floor, thereby facilitating maintenance, maintenance and management of the inline.

The present invention provides an inline control system for an offshore plant in which the toe pin rotates simultaneously with linear motion in the up / down direction so that operation can be performed more quickly and the risk of safety accidents can be prevented because the toe pin can not protrude when moved downward .

In recent years, the use of resources is gradually increasing due to the rapid industrialization phenomenon and the development of industry, and as the mass production and the enlargement, the use amount of resources increases, and the use of winches for moving these is increasing.

A winch collectively refers to a machine used for pulling up or pulling a weight by winding a rope on a drum, and is mainly used at the construction site or marine industry.

The winch type can be classified into a hydraulic winch used for moving a heavy object by using a hydraulic pump and an electric winch for moving a heavy object using an AC or DC voltage.

The winch is provided with a cylindrical drum which is wound around the rope or chain as a whole, and a heavy material is connected to the end of the rope or chain, and then a power source using hydraulic or electric power is used to wind the rope or the chain wound on the drum. Or loosens the weight.

On the other hand, as shown on YouTube, "Shark Jaw & Tow Pin Operation", "https://www.youtube.com/watch?v=Hyy 1-3sWoVmw9w" (2012.01.11., Public) And the toe pin, and the conveying direction is guided.
Japanese Unexamined Patent Application Publication No. 61-207290 (published on September 13, 1986) discloses a mooring rope automatic control device capable of detecting the state of a mooring rope by using a sensor such as a strain gage and a tension sensor, In US Patent Application Publication No. US2007 / 0069540 (published on Mar. 29, 2007), there is provided a cylinder which is lifted and lowered by a pressure member, and a cylinder is provided with a rotary blocking element rotating by a piston, And a tunnel propeller provided with a pitch angle control unit for adjusting the pitch angle of propeller blades is posted in the patent publication No. 10-2012-0055319 (published on May 31, 2012) have.

1, the control device 1 is installed on the deck of a ship and includes two toe pins 6, And the tow pins 6 are configured to rotate relative to each other to limit movement of the tow lines.

In US Publication No. 20100154176, the structure of "Locking Device" is disclosed as shown in FIG.

The chain 8 is constrained as the pair of tofins 3 with the cross member 4 rotate and the forked body 5 having the teeth 6 is provided with the opening 10 So as to guide the movement direction of the chain (8).

However, the above-mentioned prior art has the following problems.

That is, the tofu 3, the fork-shaped main body 5 and the toe pin 6 are always exposed to the outside of the hull, which is undesirable because of the risk of safety accidents.

In addition, since the size of the load generated by the chain can not be known in the state of restraining the chain, there is a possibility of personnel accidents due to sudden loosening when restrained.

In addition, when maintaining and repairing a chain in which motion is restricted, it is difficult to work due to a large load.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems of the prior art as described above, and it is an object of the present invention to provide a shark jaw which selectively restrains an inline side and an in- Line control system for an offshore plant comprising a towing pin.

Another object of the present invention is to provide a load sensing device for sensing a load applied to a shackle by an inline, and a phase sensing part for sensing a phase of an inline extending through the token pin, And an in-line control system for an offshore plant capable of detecting a position in real time.

Yet another object of the present invention is to provide an example inline control system for an offshore plant which is provided with a lifter behind the shark to allow the inline to be selectively spaced from the floor to facilitate maintenance, It is on.

It is still another object of the present invention to provide a toe spinting device capable of simultaneously performing linear motion in the up / down direction simultaneously with the rotation of the toe spindle, allowing quick operation, In-line control system.

An example inline control system for offshore plants according to the present invention is characterized in that an example inline control system for an offshore plant according to the present invention comprises a pair of shark ties selectively restraining an inline one side interlocked with the operation of a winch, A pair of toe pins guiding the movement direction and limiting movement range and performing a linear movement in the same direction when rotating in mutually different directions and a pair of toes spaced apart from each other so as to reciprocate linearly at a position adjacent to the shark joint, A phase detector for detecting the phase of the inline by measuring the amount of change in angle between the pair of toe rings and the winch when the in-line is in contact with the in-line; A control unit for controlling the operation of the shark, the toe pin, the lifter and the phase sensing unit, Sat ingpin, characterized by configured by comprising a body of the lifter and a phase detected by selectively receiving portion.

The toe pin includes a pin cylinder having an elongated and contracted length, a lifting body for lifting and lowering the lifting body in cooperation with the pin cylinder, a rotating force unit for forcibly rotating the lifting body to interfere with one side of the lifting body, And an anti-departure unit positioned at an upper end of the line to limit an upward movement of the inline.

The lifting body and the rotary force part are provided with one of a rotary pin and a rotary guide groove which are fitted to each other and force the upward / downward body to rotate at the time of ascending and descending.

The rotation guide groove includes an inclined portion for guiding the rotation pin to move obliquely and a straight portion for allowing only the upward / downward movement of the rotation pin at both ends of the inclined portion.

And a load sensing unit for sensing a force transmitted from the inline is provided at one side of the toe pin.

Wherein the shark assembly includes a shark body selectively exposed from the upper surface of the body to confine the inline, a restraining cylinder having a length expanding and contracting, and one end of the restraining cylinder being rotatably engaged with the one end of the restraining cylinder, The first link is linked to the shark body so as to be rotatable at the same time, and the force transmitted to the first link is transmitted to the shark body when the restricting cylinder is expanded or contracted, And a second link for allowing the first link to be opened.

The control unit is capable of separately controlling the shark joint, the toe pin, the phase sensing unit, and the load sensing unit.

An example inline control system for an offshore plant according to the present invention comprises a shark jaw selectively restraining an inline side and a towing pin guiding the movement of the inline line, A load sensing unit for sensing a load applied to the shackle by in-line, and a phase sensing unit for sensing the phase of the in-line drained outwardly through the toe pin.

Therefore, it is possible to detect the tension and position of the inline in real time, thereby reducing the risk of safety accidents.

Further, in the present invention, a lifter is provided behind the shark to allow the in-line to be selectively spaced from the floor, thereby facilitating maintenance, maintenance and management of the in-line.

In addition, since the toe pin is rotated simultaneously with the linear motion in the up / down direction, it is possible to perform the operation more quickly. Further, the toe pin can not protrude when moving to the lower side, thereby increasing the space utilization rate.

1 is a perspective view showing the structure of a "lead wire control device" disclosed in Korean Patent Laid-Open Publication No. 10-2015-0006536.
2 is a plan view showing the structure of the "Locking Device" disclosed in U.S. Published Patent Application No. 20100154176. Fig.
FIG. 3 is a perspective view showing an external configuration of an example inline control system for a marine plant according to the present invention. FIG.
FIG. 4 is a perspective view showing a shark joint and a toe pin, which are the main components of the inline control system for an offshore plant according to the present invention, housed in a body. FIG.
5 is an exploded perspective view showing an installation position of a load sensing unit in an example inline control system for a marine plant according to the present invention.
6 is a partially open perspective view showing a detailed structure of a lifter as one constituent in an example inline control system for a marine plant according to the present invention.
7 is a partially opened perspective view showing the detailed configuration of a shark in an example inline control system for a marine plant according to the present invention.
FIG. 8 is a partial cutaway perspective view showing an operation structure and detailed configuration of a toe pin in an example inline control system for offshore plant according to the present invention. FIG.
FIG. 9 is a perspective view showing a comparison of the ascending and descending states of toe pins in an example inline control system for an offshore plant according to the present invention. FIG.
10 is a perspective view showing the operation of the phase sensing unit in an example inline control system for a marine plant according to the present invention.

Hereinafter, the configuration of an example inline control system for an offshore plant according to the present invention will be described with reference to FIGS. 3 and 4 attached hereto.

FIG. 3 is a perspective view showing an external configuration of an example inline control system for an offshore plant according to the present invention. FIG. 4 is a perspective view of an example of an inline control system for an offshore plant according to the present invention. And the like.

Prior to this, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may appropriately define the concept of the term in order to describe its invention in the best possible way It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

As shown in the drawing, an example inline control system (hereinafter referred to as "control system 100") for an offshore plant according to the present invention includes a chain or rope (not shown) interlocked with a winch (Refer to reference character C in Fig. 10) to move or to move only within a certain range.

The control system 100 is also configured to selectively lift the inline for maintenance and repair of the inline (C).

To this end, the control system 100 includes a pair of shanks 120 selectively restraining one side of the inline C, a pair of shanks 120 guiding the movement direction of the example inline C, A lifter 160 installed to be spaced apart from the shark tank 120 so as to reciprocate linearly so as to be lifted up by the inline C, A phase sensing unit 180 sensing the phase of the inline C in contact with the inline C between the winch 140 and the winch, And a body 110 in which the shark box 120, the toe pin 140, the lifter 160, and the phase sensing unit 180 are installed. do.

The body 110 is configured such that an upper surface thereof is flat and a space is formed therein so that the shark tank 120, the toe pin 140, the lifter 160, and the phase sensing unit 180 can be received. It is buried under the deck.

The toe pin 140, the shank 120, the lifter 160, and the phase sensing unit 180 are exposed on the upper surface of the body 110 and can be received as shown in FIG.

Accordingly, when the toe pin 140, the shark box 120, the lifter 160, and the phase sensing unit 180 are received in the body 110, the risk of a safety accident can be reduced.

A receiving portion 112 is provided on the upper surface of the body 110. The receiving portion 112 is configured to accommodate the upper portion of the pair of toe pins 140. The toe pins 140 protrude outward to have a depression having a shape corresponding to the top portion of the toe pins 140, The toe pin 140 can be stored.

The toe pin 140 and the shark jaw 120 are accommodated in the body 110 by rotation. In other words, the toe pin 140 rotates in the opposite direction to the downward direction in the state as shown in FIG. 3, and the pair of shanks 120 rotates about one side of the adjacent portion, Lt; / RTI >

A phase sensing unit 180 is disposed behind the upper surface of the body 110. The phase sensing units 180 are configured as a pair and are independently rotatable, and are configured to rotate in a direction in which the upper portions are apart from each other with respect to the lower end.

The phase sensing unit 180 may be selectively received in the body 10 and may be stored in the body 10. In operation, the phase sensing unit 180 may operate in a state in which the phase sensing unit 180 is held upright in parallel with each other as shown in FIG.

Accordingly, the phase sensing unit 180 rotates in contact with the in-line C between the toe pin 140 and the winch, and thereby the amount of angular change due to the change in the area of contact between the toe pin 140 and the in- And the phase due to the change in the angle of the inline (C) is measured.

As shown in FIG. 5, a load sensing unit 190 is installed below the shark tank 120. The load sensing unit 190 is configured to sense the magnitude of the tensile force applied to the inline C and is configured to sense the magnitude of the tensile force applied to the first link (refer to reference numeral 121 in FIG. 7) And is installed on the rotary shaft 122 to sense the load.

The load sensing unit 190 may be applied to various sensing means such as a load cell, an infrared sensor, and an optical sensor so long as the load is measured within a range in which a force is applied to the shake chamber 120 and a load is generated.

Hereinafter, the detailed structure of the lifter 160 will be described with reference to FIG.

FIG. 6 is a partially opened perspective view showing the detailed structure of a lifter 160, which is a constitution in an example inline control system 100 for an offshore plant according to the present invention.

As shown in the drawing, the lifter 160 is configured to be lifted up and down in the up and down direction to selectively lift up the inline C. When the lifter 160 is not in use, the lifter 160 is kept accommodated in the body 110, The upper portion protrudes out of the body 110 to lift the inline C when lifted.

To this end, the lifter 160 includes a lifting cylinder 162 capable of extending and retracting, a restraining member 164 which rotatably restrains the lower portion of the lifting cylinder 162, And a lifting unit 166 coupled to the lifting unit 166 in cooperation with each other.

Accordingly, when the lifting cylinder 162 is extended and the lifting part 166 is pushed upwards, the upper inline C positioned at the upper side is raised by the upper surface of the lifting part 166, A part of the inline (C) can be replaced or repaired.

Hereinafter, the detailed configuration of the shark jaw 120 will be described with reference to FIG.

FIG. 7 is a partially opened perspective view showing a detailed configuration of the shark jaw 120 in the example inline control system 100 for a marine plant according to the present invention.

As shown in the figure, the shark jaws 120 are formed as a pair and are configured so as to be able to confine the in-line C by rotating at the same time. And the pair of shackles 120 are individually operable as needed.

To this end, the shark jaw 120 includes a shank body 124 selectively exposed from the upper surface of the body 110 to restrain the inline C, a restraining cylinder 126 having a length expanding and contracting, A first link 121 rotatably coupled to one end of the cylinder 126 by a first rotation shaft 122 and rotatable by the first link 121 and the shark body 124, And a second link 128 that transmits the force transmitted to the first link 121 to the shark body 124 when the restraining cylinder is expanded and retracted to make the shark body 124 rotatable.

The upper end of the restraining cylinder 126 is rotatably coupled to the inner ceiling of the body 110 and the lower end of the restraining cylinder 126 is rotatably coupled to a force transmission shaft 123 passing through the center of the first link 121.

The first link 121 is constrained so as not to move on the body 110 and the first link 121 rotates relative to the first rotation axis 122 along the length of the restricting cylinder 126, .

A second link 128 is provided on the first link 121. The upper portion of the second link 128 is rotatably coupled to a body through shaft 127 passing through the shark body 124. The lower end of the second link 128 is rotatably coupled to the second rotation shaft 125, Lt; / RTI >

Therefore, the rotational force of the first link 121, which rotates when the restraining cylinder 126 is expanded and contracted, is transmitted to the second link 128 and then transmitted to the shark body 124 to force the rotation of the shark body 124 .

A body rotating shaft 129 is provided on the lower left side of the shark body 124. The body rotating shaft 129 is fixed to one side of the inside of the body 110 and serves as a rotation center of the shark body 124.

The center of the body through-shaft 127, the second rotation axis 125, and the first rotation axis 122 are arranged to be in a straight line.

That is, when the shark body 124 is erected as shown in FIG. 7, the center of the body through-shaft 127, the second rotation axis 125, and the first rotation axis 122 are positioned on a straight line.

This is to allow the load applied to the shark body 124 to be more accurately transmitted to the load sensing part 190 provided between the first rotation shaft 122 and the first link 121.

7, when the body through-hole shaft 127, the second rotation shaft 125, and the first rotation shaft 122 are not aligned with each other, So that the load applied to the shark body 124 is dispersed. As a result, the load is not easily transmitted to the load sensing unit 190.

Therefore, it is preferable that the body through-shaft 127, the first rotation axis 122, and the second rotation axis 125 are disposed on the same straight line for more accurate load sensing of the load sensing unit 190. [

A toe pin 140 is installed on the right side of the shark tank 120. The toe pin 140 is configured to be able to complete the situation more quickly than when it is desired to store it in the body 110 or to arrange the inline C, for example.

That is, the toe pins 140 are formed as a pair and rotate in opposite directions to each other, and are configured to perform linear motion in the upward or downward direction during rotation.

The detailed configuration of the toe pin 140 will be described below with reference to FIG.

FIG. 8 is a partially cutaway perspective view showing an operation structure and a detailed configuration of the toeing pin 140 in the example inline control system 100 for an offshore plant according to the present invention.

As shown in the drawing, the toe pin 140 includes a pin cylinder 142 having a length expanding and contracting, a lifting body 144 lifting and lowering in cooperation with the pin cylinder 142, and a lifting body 144 interfering with one side of the lifting body 144 A rotation urging portion 145 for forcibly rotating the ascending and descending body 144 and an escape preventing portion 143 positioned at the upper end of the ascending and descending body 144 to limit the upward movement of the inline C .

The lower end of the pin cylinder 142 is rotatably fixed to the inner bottom surface of the body 110 and the upper portion thereof is coupled to the lifting body 144.

Therefore, when the length of the pin cylinder 142 is expanded or contracted, the lifting body 144 is moved up and down.

The pin cylinder 142 is disposed so as to be located inside the rotational urging portion 145. The rotation urging portion 145 has a hollow cylindrical shape and guides the lifting body 144 to rotate simultaneously when the length of the pin cylinder 142 expands and contracts and the lifting body 144 ascends and descends .

For this, a rotation pin 149 is provided below the lifting body 144, and a rotation guide groove 146 is formed in the rotation urging part 145.

The rotation pin 149 protrudes outwardly from the lower part of the lifting body 144 so as to have a cylindrical shape and is designed to have a diameter larger than the cut width of the rotation guide groove 146.

The rotation guide groove 146 accommodates the rotation pin 149 therein, and the lift body 144 is formed so as to alternate rectilinear motion, rotational motion, and linear motion.

That is, the rotation guide groove 146 includes an inclined portion 147 which is spirally drilled along the outer surface of the rotation urging portion 145 to guide the rotation pin 149 in an inclined manner, And a rectilinear section 148 that extends outward from the rectilinear section.

9, the lifting body 144 can not be rotated due to an external impact, and the length of the cylinder 142 for a pin (i.e., the length of the pin 142) The rotation of the lifting body 144 is forced as the rotation pin 149 passes the slope 147 at the time of downward movement.

When the rotation pin 149 is received in the lower straight portion 148, the separation preventing portion 143 is vertically moved and received in the receiving portion 112.

At this time, the release preventing portion 143 is prevented from rotating due to an externally applied force.

10 is a perspective view showing the operation of the phase sensing unit 180 in the example inline control system 100 for a marine plant according to the present invention. The example inline C is restricted in movement by the shark tank 120, The phase separation is prevented by the separation prevention part 143 of the toe pin 140 and the phase is detected in real time by the contact with the phase sensing part 180. [

The shake chamber 120 and the phase sensing unit 180 can be controlled by a control unit (not shown), and the tensile force is applied to the inline C so that the shake chamber 120, The load sensing unit 190 senses the magnitude of the load and transmits the sensing result to the control unit so that the load sensing unit 190 can be displayed in any manner that the user can confirm.

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

For example, in the embodiment of the present invention, the phase sensing unit 180 is configured to sense the phase of the in-line C by the direct contact with the in-line C. However, by applying the sensor, C to detect the phase.

In the embodiment of the present invention, the load sensing unit 180 is provided on the first rotation shaft 122. However, if the force applied to the shark body 124 is within the range, the body through shaft 127 and the second rotation shaft 125).

100. Marine plant example Inline control system 110. Body
112. Receiving section 120. Shark Joe
121. First link 122. First rotation shaft
123. Force transmission shaft 124. Shark body
125. Second rotation shaft 126. Restraint cylinder
127. Body through axis 128. Second link
129. Body rotation axis 140. Torengin
142. Cylinder for pin 143. Departure preventing portion
144. Lifting body 145. Rotating force part
146. Rotation guide groove 147. Inclined portion
148. Straight line 149. Rotating pin
160. Lifter 162. Lifting cylinder
164. Restraint 166. Lifting portion
180. Phase sensing unit 190. Load sensing unit
C. Yes Inline

Claims (7)

Examples of interlocking with the operation of the winch A pair of shackles (120) selectively restraining one side of the inline (C)
A pair of toe pins 140 guiding the movement direction of the inline C and restricting the movement range and performing a linear movement in the same direction when rotating in different directions,
A lifter 160 spaced apart from the shark jaw 120 so as to reciprocate linearly and lifting the exemplary inline C upward;
The pair of toe pins 140 and the winch are upright in parallel with each other in a state of having an elastic restoring force and are independently rotated in the direction in which the upper portions are moved away from each other with reference to the lower end by direct contact with the inline C, A pair of phase sensing units 180 for sensing the phase of the inline C,
A controller for controlling operations of the shark box 120, the toe pin 140, the lifter 160, and the phase sensing unit 180;
The shark box 120, the toe pin 140, the lifter 160, and the phase sensing unit 180 are installed. The shark tank 120, the toe pin 140, the lifter 160, and the phase sensing unit 180 A body 110,
And a load sensing unit 190 sensing the magnitude of the tensile force applied to the in-line C from one side of the toe pin 140,
Wherein the toe pin (140), the shark tank (120), the lifter (160), and the phase sensing unit (180) are housed within the body (110).
The method of claim 1, wherein the toe pin (140)
A pin cylinder 142 having a length expanding and contracting,
A lifting body 144 for lifting and lowering in cooperation with the pin cylinder 142,
A rotating force unit 145 for forcibly rotating the lifting body 144 that interferes with one side of the lifting body 144,
And an escape prevention part (143) located at an upper end of the lifting body (144) and restricting upward movement of the inline (C).
3. The apparatus of claim 2, wherein one side of the lifting body (144) and the rotating mandrel (145)
Wherein one of the rotation pin (149) and the rotation guide groove (146) is provided to force the lifting body (144) to rotate when the lifting body (144) is lifted or lowered.
4. The apparatus according to claim 3, wherein the rotation guide groove (146)
An inclined portion 147 for guiding the rotation pin 149 to move obliquely,
And a straight line portion (148) allowing only the upward / downward movement of the rotation pin (149) at both ends of the slope portion (147).
delete 5. The apparatus of claim 4, wherein the shark jaw (120)
A shank body 124 selectively exposed from the upper surface of the body 110 to restrain the inline C,
A constraining cylinder 126 whose length is elongated and contracted,
A first link 121 rotatably coupled to one end and one side of the restraining cylinder 126 and having a load sensing unit 190 installed at a rotation center thereof,
The first link 121 and the shark body 124 are rotatably linked to the first link 121 so that the force transmitted to the first link 121 is transmitted to the shark body 124 when the restraining cylinder 126 is expanded or contracted. And a second link (128) for allowing the shark body (124) to rotate.
The system of claim 6, wherein the control unit is capable of individually controlling the shark tank (120), the toe pin (140), the phase sensing unit (180), and the load sensing unit (190) Control system.

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