KR101910836B1 - Drum separating type large size winch for marine crane - Google Patents

Abstract

The present invention relates to a large crane winch with a separable drum, capable of detachably mounting a cylindrical wire rope winding drum on a drum frame, the cylindrical wire rope winding drum of various sizes can be selectively used depending on a working condition, thereby improving workability. Additionally, a wire rope groove formed on the cylindrical wire rope winding drum forms a straight groove and an inclined groove, such that workability can be further improved by alternately arranging each other.

Description

{DRUM SEPARATING TYPE LARGE SIZE WINCH FOR MARINE CRANE}

More particularly, a cylindrical wire rope winding drum can be removably installed on a drum frame, and a cylindrical wire rope winding drum of various sizes can be selectively used according to working conditions. Which is a drum-type crane large winch.

A marine cranes for offshore plants are equipped with a crane mounted on a barge, which can be lifted, moved, and unloaded while moving over the sea.

On the offshore cranes for offshore plants, a position (winch) for a marine crane called a winch is installed on the barge so that the cargo can be unloaded with stable mooring.

The winch for a marine crane is composed of a wire rope winding drum that can be rotated in forward and reverse directions and is capable of winding wire rope, a brake for restricting rotation of the wire rope winding drum, and a driving motor for driving the wire rope winding drum .

However, in the conventional winch for a marine crane, since the outer diameter of the wire rope winding drum is limited and the shape of the wire rope groove is fixed, the wire rope winding drum size can not be freely changed according to the working conditions in the work phenomenon, There is a drawback that it drops significantly.

Korean Patent Publication No. 2012-0019684

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a cylindrical wire rope winding drum which can be removably installed on a drum frame to selectively use cylindrical wire rope winding drums of various sizes depending on working conditions, The present invention provides a drum-type crane large-sized winch.

In addition, the present invention provides a drum detachable crane large winch in which the wire rope grooves formed in the cylindrical wire rope winding drum constitute linear grooves and inclined grooves and are alternately arranged to improve workability.

The drum-type large crane large winch according to the first embodiment of the present invention includes a fixed base structure fixedly installed on one side of a deck of a marine crane; A first guide rail and a second guide rail installed on the deck at regular intervals from each other and having guide slots formed therein; A movable base structure installed on the other side of the deck in correspondence with the fixed base structure and slidably and rotatably installed on the first guide rail and the second guide rail; A skid structure longitudinally installed on one side of the movable base structure; A main gear box structure longitudinally installed on the other side of the fixed base structure and having a main rotation shaft; A drum frame disposed transversely to the skid structure and detachably coupled to the main rotation axis; A cylindrical wire rope winding drum detachably installed on the drum frame and having a wire rope groove around which a wire rope for winding winch is wound, the guide groove having a straight groove and an inclined groove alternately formed; A first sub gearbox structure connected to the main gearbox structure; A first drive motor longitudinally mounted on top of the first sub gearbox structure for transmitting power to the first sub gearbox structure; A first gear plate installed in the first drive motor; A second sub gearbox structure connected to the main gearbox structure; A second drive motor longitudinally mounted on top of the second sub gearbox structure for transmitting power to the second sub gearbox structure; A second gear plate installed in the second drive motor; A gear disk disposed between the first gear plate and the second gear plate so as to be meshed with the first gear plate and the second gear plate; A caliper brake installed to suppress rotation of the gear disk; And a band brake unit installed on one side of the movable base structure to suppress rotation of the wire rope winding drum; And the cylindrical wire rope winding drum is coupled to the drum frame in an interference fit manner.

Meanwhile, the drum detachable crane large winch according to the second embodiment of the present invention includes a fixed base structure fixedly installed on one side of a deck of a marine crane; A first guide rail and a second guide rail installed on the deck at regular intervals from each other and having guide slots formed therein; A movable base structure installed on the other side of the deck in correspondence with the fixed base structure and slidably and rotatably installed on the first guide rail and the second guide rail; A skid structure longitudinally installed on one side of the movable base structure; A main gear box structure longitudinally installed on the other side of the fixed base structure and having a main rotation shaft; A drum frame disposed transversely to the skid structure and detachably coupled to the main rotation axis; A wire rope groove detachably installed on the drum frame and having a wire rope groove around which a wire rope for a winch is wound, the guide groove having a straight groove and an inclined groove alternately formed; A first sub gearbox structure connected to the main gearbox structure; A first drive motor longitudinally mounted on top of the first sub gearbox structure for transmitting power to the first sub gearbox structure; A first gear plate installed in the first drive motor; A second sub gearbox structure connected to the main gearbox structure; A second drive motor longitudinally mounted on top of the second sub gearbox structure for transmitting power to the second sub gearbox structure; A second gear plate installed in the second drive motor; A gear disk disposed between the first gear plate and the second gear plate so as to be meshed with the first gear plate and the second gear plate; A caliper brake installed to suppress rotation of the gear disk; And a band brake unit installed on one side of the movable base structure to suppress rotation of the wire rope winding drum; Wherein the wire rope winding drum is divided into a plurality of parts and is bolted to the outer periphery of the drum frame.

A first slip prevention protrusion may be formed on an outer circumferential surface of the drum frame and a second slip prevention groove may be formed on an inner circumferential surface of the wire rope winding drum so as to correspond to the first slip prevention protrusion.

In order to supply lubricating oil to the inside of the first and second sub gearbox structures, oil pump pipes are extended from the lower side to the upper side in the first and second sub gearbox structures, and an oil pump Establish a connection,

Wherein the first and second sub gearbox structures are pumped from the oil pump installed on the floor of the installation place through the oil pump pipe from the lower side to the upper side and the oil is supplied from the upper side to the lower side of the first and second sub gearbox structure, The oil is uniformly supplied to the entire interior of the second sub gearbox structure and the oil flowing downward into the first and second sub gearbox structures is collected again by the oil pump.

Meanwhile, the drum-type large crane large winch according to the third embodiment of the present invention includes a fixed base structure fixedly installed on one side of a deck of a marine crane; A skid structure longitudinally installed on one side of the fixed base structure; A main gear box structure longitudinally installed on the other side of the fixed base structure and having a main rotation shaft; And a wire rope groove disposed transversely to the skid structure and detachably coupled to the main rotation shaft and wound around a winch wire rope on an outer circumferential surface thereof, wherein the guide groove is formed by alternately forming a straight groove and an inclined groove A wire rope winding drum; A fastening bracket formed inside the wire rope winding drum flange; A split type auxiliary wire rope winding drum detachably mounted on the fastening bracket; A first sub gearbox structure connected to the main gearbox structure; A first drive motor longitudinally mounted on top of the first sub gearbox structure for transmitting power to the first sub gearbox structure; A first gear plate installed in the first drive motor; A second sub gearbox structure connected to the main gearbox structure; A second drive motor longitudinally mounted on top of the second sub gearbox structure for transmitting power to the second sub gearbox structure; A second gear plate installed in the second drive motor; A gear disk disposed between the first gear plate and the second gear plate so as to be meshed with the first gear plate and the second gear plate; A caliper brake installed to suppress rotation of the gear disk; And a band brake unit installed on one side of the movable base structure to suppress rotation of the wire rope winding drum; Wherein the split type auxiliary wire rope winding drum is coupled to the fastening bracket in an interference fit manner.

INDUSTRIAL APPLICABILITY As described above, according to the present invention, the cylindrical wire rope winding drum can be removably installed on the drum frame, and the cylindrical wire rope winding drum of various sizes can be selectively used according to the working conditions, .

Further, according to the present invention, the wire rope grooves formed in the cylindrical wire rope winding drum constitute linear grooves and inclined grooves, and can be alternately arranged to improve workability.

1 is a perspective view showing a large-scale winch of a marine crane of a drum detachment type according to a first embodiment of the present invention;
Fig. 2 is a plan view illustrating the principle of rotation (rotation) in Fig.
3 is a longitudinal sectional view showing a guide rail and a movable block moving along a guide slot of the guide rail
Fig. 4 is a perspective view showing a drum frame and a separable perspective view showing a detachable drum detachably mounted on the drum frame. Fig.
5 is a right side view of Fig. 1
6 is an exploded perspective view showing a drum frame and a detachable drum detachably coupled to the drum frame in the drum-separated floating crane large winch according to the second embodiment of the present invention.
FIG. 7 is a front view showing a detachable drum detachably coupled to a drum disk in a drum-separated floating crane large winch according to a third embodiment of the present invention; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a drum-separated crane large winch according to the present invention will be described with reference to the accompanying drawings.

2 is a plan view for explaining the principle of rotation in FIG. 1, and FIG. 3 is a plan view illustrating a large-sized winch according to the first embodiment of the present invention, along a guide rail and a guide slot of a guide rail FIG. 4 is a perspective view showing the drum frame and the separated drum detachably mounted on the drum frame, and FIG. 5 is a right side view of FIG.

1 to 4, a drum-type crane large winch according to a first embodiment of the present invention includes a fixed base structure 10 fixedly installed on one side of a deck of a marine crane.

The first guide rail 210 and the second guide rail 220 are spaced apart from each other by a predetermined distance on the deck. A guide slot 211 is formed in the first guide rail 210, A guide slot 221 is formed.

The first guide rail 210 may be formed in a linear shape, and the second guide rail 220 may be formed in a straight line and a curved shape.

On the deck side, a movable base structure 230 is provided in correspondence with the fixed base structure 10.

The movable base structure 230 is installed on the first guide rail 210 and the second guide rail 220 so as to be slidable and rotatable.

That is, the shaft 231 of the movable base structure 230 moves in the guide slots 211 and 221 and the movable base structure 230 (FIG. 2) 230 are rotated (rotated) within a certain angle.

The cylindrical wire rope winding drum 260 can be fitted to the drum frame 250 to be described later while the movable base structure 230 is rotated within a predetermined angle. After mounting the cylindrical wire rope winding drum 260, the movable base structure 230 can be rotated in the opposite direction about the axis 231 to return to its original position.

At one side of the movable base structure 230, a skid structure 20 is installed in the longitudinal direction.

The main gear box structure 30 is provided on the other side of the fixed base structure 10 in the longitudinal direction and the main gear box structure 30 is provided with the main rotation shaft 31. And the drum frame 250 is configured to be rotatable about the main rotation shaft 31.

The drum frame 250 is positioned transversely to the skid structure 20 and is detachably coupled to the main rotation axis 31.

The drum frame 250 may be detachably coupled to the main rotation shaft 31 by a known coupling or joining method.

The cylindrical wire rope winding drum 260 may be detachably installed on the drum frame 250. A wire rope groove 261 for winding a wire rope for a winch is formed on the outer circumferential surface of the cylindrical wire rope winding drum 260 do.

The cylindrical wire rope-winding drum 260 can be coupled to the drum frame 250 in an interference fit manner.

The guide groove 261 may be alternately formed with the straight groove 261a and the inclined groove 261b. The guide groove 261 can prevent slippage of the wire rope when the straight groove 261a and the inclined groove 261b are alternately formed to improve the winding workability.

The first sub-gearbox structure (50) is connected to the main gearbox structure (30). The first drive motor 60 may be longitudinally mounted on top of the first sub gearbox structure 50 to transmit power to the first sub gearbox structure 50.

The first gear plate 70 is installed in the first drive motor 60 and the second sub gearbox structure 80 is connected to the main gearbox structure 30.

The second drive motor 90 may be installed longitudinally on top of the second sub gearbox structure 80 to transmit power to the second sub gearbox structure 80.

The second gear plate 110 may be installed in the second drive motor 90.

A gear disk 120 is installed between the first gear plate 70 and the second gear plate 110 and the gear disk 120 is engaged with the first gear plate 70 and the second gear plate 110 Respectively. The caliper brake 130 may be installed to suppress the rotation of the gear disk 120.

The band brake unit 140 may be installed on one side of the movable base structure 10 to suppress the rotation of the wire rope winding drum 260.

In this embodiment, a first non-slip projection P1 is formed on the outer peripheral surface of the drum frame 250, and a second non-slip projection P1 is formed on the inner peripheral surface of the wire rope retracting drum 260 so as to correspond to the first non- A non-slip groove P2 may be formed.

The slip of the wire rope winding drum 260 does not occur because the first slip prevention projection P1 is engaged with or brought into close contact with the second slip prevention groove P2.

5, the first and second sub gearbox structures 50 and 80 are provided with oil (not shown) for supplying lubricating oil into the first and second sub gearbox structures 50 and 80, An oil pump 59 may be connected to the oil pump pipe 58. The oil pump 59 may be connected to the oil pump pipe 58. [

The oil is pumped from the lower side to the upper side through the oil pump piping 58 from the oil pump 59 installed on the floor of the installation place and the oil is supplied from the upper side to the lower side from the inside of the first and second sub gearbox structures 50 The oil is uniformly supplied to the entire interior of the first and second sub gearbox structures 50 and the oil flowing downwardly into the first and second sub gearbox structures 50 is again supplied to the oil pump 59, Can be effectively recovered.

The drum-type large crane large winch according to the first embodiment of the present invention is characterized in that a cylindrical wire rope winding drum 260 can be detachably mounted to the drum frame 250, The workability can be improved. Further, the wire rope grooves 261 formed in the cylindrical wire rope winding drum 260 are formed, and the rectilinear grooves 261a and the inclined grooves 261b are formed and arranged alternately with each other to improve workability have.

FIG. 6 is an exploded perspective view showing a drum frame and a detachable drum detachably coupled to the drum frame in a large-sized winch of a marine type crane according to a second embodiment of the present invention.

6, the drum-separated crane large winch according to the second embodiment of the present invention is the same as the first embodiment described above except for the wire rope winding drum 360. Therefore, And a description thereof will be omitted.

In the present embodiment, the wire rope winding drum 360 is divided into a plurality of, for example, four, and the bolts B are fastened to the outer periphery of the drum frame 250. In order to prevent interference between the wire rope and the bolt (B) when the wire rope is wound, the bolt (B) is preferably a flat head type.

In this embodiment, a first non-slip protrusion is formed on the outer circumferential surface of the drum frame 250, and a second non-slip prevention protrusion (not shown) is formed on the inner circumferential surface of the wire rope- (P2) may be formed.

The slip of the wire rope winding drum 360 does not occur due to the engagement of the first slip prevention projection P1 and the second slip prevention groove P2.

FIG. 7 is a front view showing a detachable drum detachably coupled to a drum disk in a drum-separated floating crane large winch according to a third embodiment of the present invention.

7, the drum-separated crane large winch according to the third embodiment of the present invention has the same structure as the first embodiment described above except for the fastening bracket 570 and the split auxiliary-wire rope winding drum 660 The same reference numerals are assigned to the same components, and a description thereof will be omitted.

In this embodiment, a fastening bracket 570 is formed inside the wire rope-winding drum flange 561. [ And a split type auxiliary wire rope winding drum 660 that is detachably mounted on the fastening bracket 570. The split auxiliary-wire rope-winding drum 660 is configured to be able to engage with the fastening bracket 570 in an interference fit manner.

In this embodiment, the wire rope winding drum 260 may be used to wind the wire rope, and if necessary, the split auxiliary wire rope winding drum 660 may be coupled to the fastening bracket 570, The wire rope may be wound around the outer peripheral surface of the auxiliary wire rope winding drum 660. In this case, the diameter of the split type auxiliary wire rope winding drum 660 is relatively larger than that of the conventional wire rope winding drum, so that a greater amount of wire rope can be wound, thereby improving workability.

As described above, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a cylindrical wire rope winding drum which can be removably installed on a drum frame, The workability can be improved.

Further, according to the present invention, the wire rope grooves formed in the cylindrical wire rope winding drum constitute linear grooves and inclined grooves, and can be alternately arranged to improve workability.

10: Fixed base structure
20: Skid structure
30: Main gearbox structure
31: main rotating shaft
60: first drive motor
70: first gear plate
80: Second sub gearbox structure
90: second drive motor
110: second gear plate
120: gear disk
140: Band brake unit
210: first guide rail
211: Guide slot
220: second guide rail
221: Guide slot
230: movable base structure
231: Axis
250: Drum frame
260: Cylindrical wire rope winding drum
261: Wire rope groove
261a: Straight groove
261b:
P1: 1st slip prevention projection
P2: 2nd anti-slip groove

Claims (5)

delete delete delete A fixed base structure (10) fixedly installed on one side of a deck of a floating crane;
A first guide rail 210 and a second guide rail 220 installed at predetermined intervals on the deck and having guide slots 211 and 221 formed therein;
A movable base structure 230 installed on the other side of the deck in correspondence with the fixed base structure 10 and slidably and rotatably installed on the first guide rail 210 and the second guide rail 220;
A skid structure 20 longitudinally installed on one side of the movable base structure 230;
A main gear box structure 30 longitudinally installed on the other side of the fixed base structure 10 and having a main rotation axis 31;
A drum frame (250) positioned transversely to the skid structure (20) and detachably coupled to the main rotation axis (31);
The wire rope groove 261 is detachably installed on the drum frame 250 and has a wire rope groove 261 on the outer circumferential surface thereof for winding a wire rope for a winch. The wire rope groove 261 has a straight groove 261a, A divided wire rope winding drum 360 in which the pair of wire rope winding rollers 261a and 261b are alternately formed;
A first sub gearbox structure (50) connected to the main gearbox structure (30);
A first drive motor (60) longitudinally mounted on top of said first sub gearbox structure (50) for transmitting power to said first sub gearbox structure (50);
A first gear plate (70) installed in the first drive motor (60);
A second sub gearbox structure 80 connected to the main gearbox structure 30;
A second drive motor (90) longitudinally mounted on top of the second sub gearbox structure (80) for transmitting power to the second sub gearbox structure (80);
A second gear plate 110 installed on the second drive motor 90;
A gear disk 120 disposed between the first gear plate 70 and the second gear plate 110 so as to be meshed with the first gear plate 70 and the second gear plate 110;
A caliper brake 130 installed to suppress rotation of the gear disk 120; And
A band break unit 140 installed on one side of the movable base structure 10 to suppress the rotation of the wire rope winding drum 260; ≪ / RTI >
Wherein the wire rope winding drum (360) is divided into a plurality of parts and is bolted to the outer periphery of the drum frame (250). A fixed base structure (10) fixedly installed on one side of a deck of a floating crane;
A skid structure 20 longitudinally installed on one side of the fixed base structure 10;
A main gear box structure 30 longitudinally installed on the other side of the fixed base structure 10 and having a main rotation axis 31;
And a wire rope groove (261) disposed transversely to the skid structure (20) and detachably coupled to the main rotation shaft (31) and wound around a winch wire rope on an outer circumferential surface thereof, wherein the wire rope groove 261 includes a wire rope winding drum 560 in which straight groove 261a and inclined groove 261b are alternately formed;
A fastening bracket 570 formed inside the wire rope-winding drum flange 561;
A split auxiliary wire rope winding drum 660 detachably installed on the fastening bracket 570;
A first sub gearbox structure (50) connected to the main gearbox structure (30);
A first drive motor (60) longitudinally mounted on top of said first sub gearbox structure (50) for transmitting power to said first sub gearbox structure (50);
A first gear plate (70) installed in the first drive motor (60);
A second sub gearbox structure 80 connected to the main gearbox structure 30;
A second drive motor (90) longitudinally mounted on top of the second sub gearbox structure (80) for transmitting power to the second sub gearbox structure (80);
A second gear plate 110 installed on the second drive motor 90;
A gear disk 120 disposed between the first gear plate 70 and the second gear plate 110 so as to be meshed with the first gear plate 70 and the second gear plate 110;
A caliper brake 130 installed to suppress rotation of the gear disk 120; And
A band break unit 140 installed on one side of the movable base structure 10 to suppress the rotation of the wire rope winding drum 260; ≪ / RTI >
Wherein the split auxiliary-wire rope-winding drum (660) is coupled to the fastening bracket (570) in an interference fit manner.

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