KR20150039963A

KR20150039963A - Trolly appatratus

Info

Publication number: KR20150039963A
Application number: KR20130118407A
Authority: KR
Inventors: 홍진무
Original assignee: 삼성중공업 주식회사
Priority date: 2013-10-04
Filing date: 2013-10-04
Publication date: 2015-04-14

Abstract

A trolley apparatus is disclosed. According to an embodiment of the present invention, the trolley apparatus on which a BOP is mounted and which moves back and forth along the moon pool of a drilling ship comprises: a trolley body having a bottom part, in which the BOP is supported, positioned inside the moon pool; and a lateral movement prevention device interposed between the outer wall of the trolley body and the inner wall of the moon pool to prevent the trolley body from moving in a lateral direction.

Description

Trolley Apparatus {TROLLY APPATRATUS}

The present invention relates to a trolley device.

Due to rapid international industrialization and industrial development, the use of global resources such as petroleum is gradually increasing, and thus the stable production and supply of crude oil is becoming a very important issue on a global scale.

For this reason, the development of marginal fields or deep-sea oil wells, which had been neglected due to economic difficulties, has become economical in recent years. Therefore, along with the development of submarine mining technology, drilling facilities suitable for the development of such oil fields A drilling rig equipped with a hull has been developed.

A BOP is used to prevent a BLOW OVER phenomenon due to irregular pressure fluctuations generated in the subsea well WELL. Typically, the drill ship includes a trolley on which a non-op (BOP) is mounted in the process of installing a non-op (BOP). The trolley moves forward and backward along the platform with the BOP mounted.

Conventionally, a rolling motion occurred in the process of moving the trolley forward and backward along the portal. Such rolling motion can cause collision between the trolley and the hull, which can damage the trolley, the bop mounted on the trolley, and the hull.

An embodiment of the present invention is intended to provide a trolley apparatus in which rolling sway is prevented.

According to one aspect of the present invention, there is provided a trolley apparatus having a non-opaque (BOP) mounted thereon and moving back and forth along a doorway of a drill ship, wherein a bottom portion, on which the non- ; And a lateral rocking preventing device interposed between an outer wall of the trolley body and an inner wall of the doorpane so as to prevent the trolley body from rolling in the interior of the doorpipe.

The anti-rocking device includes: an extension member extending from the trolley body toward the inner side wall; And a rolling member rotatably installed at an end of the extension member.

In the above-mentioned anti-rocking device, the rolling member may come in contact with the inner side wall or with a rail extending in the moving direction of the trolling body and provided on the inner side wall.

Wherein the anti-rocking device comprises: an extension member extending downward from the trolley body and supported by a projecting member protruding from the inner side wall to the center of the door frame; And a rolling member rotatably installed at an end of the extension member.

The above-mentioned anti-rocking device may be elastically moved in a process of preventing rolling of the trolley body.

The anti-rocking device may be hinged to be folded or unfolded relative to the trolley body.

The anti-rocking device may be accommodated in a receiving groove formed in the trolley body when the trolley body is folded.

According to the embodiment of the present invention, the rolling prevention device is interposed between the trolley body and the inner wall of the door frame, thereby preventing damage due to collision of the trolley body and the hull.

1 is a view showing a trolley apparatus according to a first embodiment of the present invention,
2 is a view showing a trolley apparatus according to a second embodiment of the present invention,
3 is a view showing a trolley apparatus according to a third embodiment of the present invention,
4 is a view showing a trolley apparatus according to a fourth embodiment of the present invention,
5 and 6 are views showing the installation process of the trolley apparatus according to the fourth embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Referring to the accompanying drawings, the same or corresponding components are denoted by the same reference numerals, do.

1 is a view showing a trolley apparatus according to a first embodiment of the present invention. 1 is a rear view of the trolley unit. In FIG. 1, the left and right sides indicate the left and right directions of the trolley unit or the rigidity line 1, respectively.

Referring to FIG. 1, the trolley apparatus 100 includes a trolley body 110 and a anti-rocking apparatus 130.

A bop (not shown) is mounted on the trolley body 110. The bottom portion of the trolley body 110, on which the non-opy is supported, is located inside the interior of the interior space 11. That is, the bottom portion of the trolley body 110 has a shape recessed into the interior of the door frame 11.

The trolley body 110 moves forward and backward along the door 11 of the drill rig 1. [ The trolley body 110 moves along the rail 15 disposed on the upper deck 13 of the hull 10, for example. At this time, the trolley body 110 can move in a rack-and-pinion manner, but is not limited thereto.

A lateral rocking preventing device 130 may be installed between the left and right outer side walls of the trolley body 110 and the left and right inner side walls of the door frame 11. [ The anti-sway prevention device 130 prevents the trolley body 110 from rolling (lateral direction) inside the interior of the interior space 11. [

The anti-sway prevention device 130 includes an extension member 131 and a rolling member 133. The extension member 131 extends from the trolley body 110 toward the inner wall of the door 11. The elongate member 131 may have a shape of a beam (BEAM) or a bar (BAR), but is not limited thereto.

The extension member 131 prevents rolling of the trolley body 110 by supporting the trolley body 110 against the inner wall of the door 11 when the trolley body 110 rotates.

At the end of the extension member 131, a rolling member 133 is rotatably installed. The rolling member 133 guides the trolley body 110 and the extending member 131 to move smoothly along the door 11. The rolling member 133 may have a wheel, roller or ball shape, but is not limited thereto. The rolling member 133 directly contacts the inner wall of the door 11.

The anti-sway prevention device 130 can move elastically between the outer wall of the trolley body 110 and the inner wall of the interior of the door 11. For example, an elastic body such as a spring may be interposed between the extending member 131 and the rolling member 133. [ Or a part of the extension member 131 may be an elastic body such as a spring. When the anti-sway prevention device 130 performs elastic movement in the course of rolling the trolley body 110, the load acting on the anti-sway prevention device 130 is attenuated and the durability of the anti-sway device 130 is improved.

2 is a view showing a trolley apparatus according to a second embodiment of the present invention. Referring to FIG. 2, the trolley apparatus 200 includes a trolley body 210 and an anti-rocking apparatus 230. The trolley body 210 according to the present embodiment is the same as the trolley body 110 according to the first embodiment, and a description thereof will be omitted.

The anti-shake device 230 includes an extension member 231 and a rolling member 233. The extension member 231 extends from the trolley body toward the inner wall of the door 11. At the end of the extension member 231, a rolling member 233 is rotatably installed.

The rolling member 233 is in contact with the rails 234 provided on the inner wall of the door 11. The rail 234 extends in the moving direction of the trolley body 210, that is, in the front-rear direction. The rail 234 may have a T-shaped cross-section as shown in FIG. Or the rail may have a flat plate shape which is not shown but is in surface contact with the inner surface of the door frame 11. The rolling member 233 is prevented from damaging the coating formed on the inner wall of the door frame 11 in the process of moving the trolley body 210 when the rolling member 233 is brought into contact with the rail 234. [

3 is a view showing a trolley apparatus according to a third embodiment of the present invention. Referring to FIG. 3, the trolley apparatus 300 includes a trolley body 310 and a anti-rocking apparatus 330. The trolley body 310 according to the present embodiment is the same as the trolley body 110 according to the first embodiment, and a description thereof will be omitted.

The anti-sway prevention device 330 includes an extension member 331 and a rolling member 333. The extension member extends downward from the trolley body (310). The extension member 331 is supported by a projecting member 335 protruding from the inner wall of the door frame 11 to the center of the door frame 11.

At the end of the extension member 331, a rolling member 333 is rotatably installed. The rolling member 333 can come into direct contact with the projecting member 335 or with a rail (not shown) provided on the projecting member 335 as shown in Fig.

4 is a view showing a part of a trolley apparatus according to a fourth embodiment of the present invention. 4 is a top view of the trolley unit 400, and the right side and the upper side in FIG. 4 represent the right side and the front side of the trolley unit 400, respectively.

Referring to FIG. 4, the trolley apparatus 400 includes a trolley body 410 and a anti-rocking device 430. The trolley body 410 according to the present embodiment is the same as the trolley body 410 according to the first embodiment, and a description thereof will be omitted.

The anti-sway prevention device 430 includes an extension member 431 and a rolling member 433. The extension member 431 extends from the trolley body 410 toward the inner wall of the door 11. At the end of the extension member 431, a rolling member 433 is rotatably installed.

The anti-shake device 430 is hinged to be folded or unfolded relative to the trolley body 410. The anti-rocking device 430 may be received in the receiving groove 415 formed in the trolley body 410 when the anti-sway preventing device 430 is folded with respect to the trolley body 410. At this time, at least a part of the anti-shaking device 430 is not exposed to the outside when viewed from the front or rear of the trolley body 410.

When the anti-sway prevention device 430 is extended to the trolley body 410, the anti-sway device 430 supports the trolley body 410 against the inner surface of the door 11, . A separate posture holding member (not shown) may be used to maintain the trolley body 410 in the unfolded posture. For example, the posture maintaining member includes a support bar or a support beam interposed between the anti-slip device 430 and the bottom surface of the receiving groove 415 to prevent the anti-rocking device 430 from rotating in the folding direction.

5 and 6 are views showing the installation process of the trolley apparatus according to the fourth embodiment of the present invention. First, referring to FIG. 5, the trolley apparatus 400 is inserted into the interior of the door 11. In this process, the anti-rolling device (not shown) is folded against the trolley body 410 to prevent the anti-shake device (not shown) from being caught by the entrance of the door 11.

6, when the trolley body 410 is inserted into the door 11 and is seated on the rail 15 located on the upper deck 13, the anti-sway device 430 is extended with respect to the trolley body 430 . Thereafter, the trolley apparatus 400 can mount a non-op (not shown) and move along the door frame 11.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, many modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

1: drill ship 10: hull
11: The picture frame 13: The upper deck
15: rail 100: trolley device
110: trolley body 130: anti-roll device
131: extension member 133: rolling member

Claims

1. A trolley apparatus having a non-opaque (BOP) mounted thereon and moving back and forth along a doorway of a drill ship,
A bottom portion on which the non-opaque material (BOP) is supported, the trolley body being positioned inside the interior space; And
And an anti-roll-off device interposed between an outer wall of the trolley body and an inner wall of the door frame to prevent the trolley body from rolling around inside the door frame.

The method according to claim 1,
The above-
An extension member extending from the trolley body toward the inner wall; And
And a rolling member rotatably installed at an end of the extension member.

3. The method of claim 2,
The above-
Wherein the rolling member contacts the inner sidewall or extends in the direction of movement of the trolling body to contact a rail provided on the inner sidewall.

The method according to claim 1,
The above-
An extension member extending downward from the trolley body and supported by a projecting member projecting from the inner side wall to the center of the door frame; And
And a rolling member rotatably installed at an end of the extension member.

5. The method according to any one of claims 1 to 4,
The above-
Wherein the trolley body is elastically moved in a process of preventing rolling of the trolley body.

4. The method according to any one of claims 1 to 3,
The above-
Wherein the trolley body is hinged to be folded or unfolded relative to the trolley body.

The method according to claim 6,
The above-
And is received in a receiving groove formed in the trolley body when the trolley body is folded.