KR20170060789A - Assisting apparatus for assembling jack-up leg - Google Patents

Assisting apparatus for assembling jack-up leg Download PDF

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Publication number
KR20170060789A
KR20170060789A KR1020150165398A KR20150165398A KR20170060789A KR 20170060789 A KR20170060789 A KR 20170060789A KR 1020150165398 A KR1020150165398 A KR 1020150165398A KR 20150165398 A KR20150165398 A KR 20150165398A KR 20170060789 A KR20170060789 A KR 20170060789A
Authority
KR
South Korea
Prior art keywords
leg unit
thread
leg
engaging
jack
Prior art date
Application number
KR1020150165398A
Other languages
Korean (ko)
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KR101792752B1 (en
Inventor
손창수
구창현
Original Assignee
삼성중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020150165398A priority Critical patent/KR101792752B1/en
Publication of KR20170060789A publication Critical patent/KR20170060789A/en
Application granted granted Critical
Publication of KR101792752B1 publication Critical patent/KR101792752B1/en

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    • B63B9/06—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • B63B9/065—
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering

Abstract

An auxiliary device for jack-up leg engagement is disclosed. The auxiliary device for coupling a jack-up leg according to an embodiment of the present invention includes: a first body engaged with a first thread formed at one end of a first vertical member constituting a first leg unit; And a second body detachably coupled to the first body and engaged with a second screw thread formed at an end of the other end of the first vertical member, wherein a combination of the first body and the second body includes: And a second leg unit adjacent to the first leg unit is introduced into the first leg unit such that the second leg unit is in contact with the first leg unit.

Description

Technical Field [0001] The present invention relates to an auxiliary apparatus for assembling a jack-

The present invention relates to an auxiliary device for joining jack-up legs, and more particularly, to an auxiliary device for joining jack-up legs, which is used when joining a first leg unit arbitrarily selected among a plurality of leg units constituting a jack- It is an auxiliary device.

A jack-up leg is typically provided with a jack-up system in a jack-up structure such as a drilling rig for subsea drilling. This jack-up leg is composed of a plurality of leg units.

For example, each of the leg units may be configured as a truss structure having a triangular shape extending in the vertical direction. In this case, each of the leg units can be connected to three straight members with a plurality of straight members. At this time, on one side and the other side of the vertical member, threading can be formed so that the jack-up leg can be moved up and down by the jack-up system.

The plurality of leg units may be coupled with each other in the vertical direction to form a jack-up leg. For example, a first leg unit, which is arbitrarily selected from a plurality of leg units, may first be installed in the jack-up structure. Thereafter, the second leg unit can be moved to the upper side of the first leg unit such that the end of the first leg unit and the end of the second leg unit come into contact with each other by the crane. The first leg unit and the second leg unit are welded to each other and fixedly coupled.

In such a coupling process, the contact portions of the first leg unit and the second leg unit need to be held and held in contact until the welding operation is completed. For this purpose, conventionally, brackets of a protruding structure and brackets of an insertion structure are respectively installed at an end portion of the first leg unit and an end portion of the second leg unit. When the first leg unit and the second leg unit are in contact with each other, And the bracket of the insertion structure is inserted and coupled.

However, it is difficult to install and remove the brackets, which are performed by the welding operation. In the process of installing and removing the brackets, there is a problem that deformation of the contact portions between the first leg unit and the second leg unit .

An embodiment of the present invention provides an auxiliary device for joining a jack-up leg that prevents deformation of a contact portion between a first leg unit and a second leg unit adjacent to each other arbitrarily selected when the plurality of leg units constituting the jack- do.

According to an aspect of the present invention, there is provided a first leg unit comprising: a first body engaged with a first thread formed at one end of a first vertical member constituting a first leg unit; And a second body detachably coupled to the first body and engaged with a second screw thread formed at an end of the other end of the first vertical member, wherein a combination of the first body and the second body includes: A second leg unit adjacent to the first leg unit provides a passage into the first leg unit so that the second leg unit is in contact with the first leg unit.

The first body has a first auxiliary thread formed at one end to engage with the first thread and a second end protruding from the end of the first leg unit to form a first support absence; And a first coupling member protruding from both side surfaces perpendicular to the first auxiliary threaded surface and extending toward the second body, wherein the second body has a first threaded portion engaged with the second threaded portion, A second support member having a second auxiliary thread formed on the first leg unit and having a second end protruding from an end of the first leg unit to form a part of the passage; And a second coupling member detachably coupled to the first coupling member and projecting from both sides perpendicular to the second auxiliary threaded surface and extending toward the first body.

Wherein the plurality of first engagement members are spaced apart from each other along an extending direction of the first vertical member, a plurality of the second engagement members are provided, and the plurality of first engagement members are provided, 2 engaging members may be spaced apart from each other along the extending direction of the first vertical member.

The first engaging member and the second engaging member may be bolted or coupled to each other.

The first body may further include a first aligning member for aligning a third screw thread formed at one end of one end of the first screw member and the second screw member constituting the second leg unit, And a second aligning member for aligning a fourth screw thread formed on the other end of the second screw member and the second screw member.

The other end of the first body and the other end of the second body may each have a tapered shape.

According to an embodiment of the present invention, a first body and a second body that are releasably engaged engage and engage the first and second threads of the first leg unit through a first and a second auxiliary thread, respectively, By supporting the third thread and the fourth thread of the second leg unit flowing toward the first leg unit through the passage provided by the combination of the first body and the second body, it is easy to install and remove the leg unit, It is possible to prevent deformation of the contact portion between the leg units which are mutually adjacent to each other during the installation and removal processes.

1 is a view showing a state in which an auxiliary device for coupling a jack-up leg is used according to an embodiment of the present invention.
Fig. 2 is an enlarged perspective view of Fig. 1; Fig.
3 is a cross-sectional view taken along line BB in Fig.
4 is a cross-sectional view taken along line CC in Fig.
5 is a sectional view taken along line DD of Fig.
6 is an exploded perspective view of an auxiliary device for coupling a jack-up leg according to an embodiment of the present invention.
Fig. 7 is an assembled perspective view of the auxiliary device for coupling the jack-up leg of Fig. 6;
8 is a view for explaining a procedure of using an auxiliary device for coupling a jack-up leg according to an 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. In the following description, terms such as first and second terms are used to describe various components, and the meaning is not limited to itself, and is used only for the purpose of distinguishing one component from another component do.

1 is a perspective view of an enlarged view of FIG. 1, FIG. 3 is a sectional view taken along line BB of FIG. 2, and FIG. FIG. 5 is a cross-sectional view taken along line DD of FIG. 3, FIG. 6 is an exploded perspective view of an auxiliary device for coupling a jack-up leg according to an embodiment of the present invention, Fig. 7 is an assembled perspective view of the auxiliary device for coupling the jack-up leg of Fig. 6;

1 shows a state in which a second leg unit 20 is coupled to an upper portion of a first leg unit 10 constituting a jack-up leg 1 of a triangular lattice type truss structure, and FIG. 3 4 shows a cross section of a combination of the first engaging member 112 and the second engaging member 132 disposed on the first leg unit 10 side. 1 shows a cross section of a combined body of the first engaging member 112 and the second engaging member 132. As shown in Fig.

1 to 7, an auxiliary device 100 for joining up jack-up legs according to the present embodiment includes a first leg unit 10 arbitrarily selected from a plurality of leg units constituting the jack-up leg 1, When the two-leg unit 20 is engaged, the contact portions of the first leg unit 10 and the second leg unit 20 can be temporarily fixed. In this case, the contact state of the first leg unit 10 and the second leg unit 20 is maintained, and the contact state can be maintained until the connection by welding or the like to the contact portion is completed.

As shown in Fig. 2, the first screw 12 is screwed to the other end of the first vertical member 11 and the second screw 12 is screwed to the other end of the first vertical member 11, And a second screw thread 13 may be respectively formed. As shown in Fig. 2, the third screw thread 22 is fixed to one end of the second vertical member 21 constituting the second leg unit 20, and the third thread 22 is fixed to the other end of the second vertical member 21 And a fourth screw thread 23 may be respectively formed.

An auxiliary device 100 for joining up jack legs according to an embodiment of the present invention includes a first body 110 and a second body 130. [

The first body 110 engages and engages with the first thread 12. The second body 130 is detachably coupled to the first body 110 and engages with the second thread 13. The combination of the first body 110 and the second body 130 provides a passage through which the second leg unit 20 flows toward the first leg unit 10 so as to contact the first leg unit 10 do.

The first body 110 may include a first support member 111 and a second engagement member 132.

A first auxiliary thread 111a may be formed at one end of the first supporting member 111 to engage with and engage with the first thread 12.

For example, as shown in FIG. 3, the first auxiliary thread 111a may be formed so as to engage with the first thread 12 on one surface of the first supporting member 111, which faces the first vertical member 11.

The other end of the first support member 111 may protrude from the end of the first leg unit 10 to form a part of the passage.

For example, one surface of the first support member 111 facing the second vertical member 21 may constitute a side surface of the passage as shown in FIG. In this case, one surface of the first supporting member 111 facing the second vertical member 21 can be in contact with the peak of the third thread 22.

The first support member 111 may have the same shape as a bar extending in the extending direction of the first vertical member 11 as shown in FIGS. 5 and 6, but is not limited thereto.

The first coupling member 112 may protrude from both sides of the first support member 111 perpendicular to the surface on which the first auxiliary thread 111a is formed and may extend toward the second body 130. [ In this case, the first engaging member 112 may be configured to enclose at least one of the first vertical member 11 and the second vertical member 21.

For example, as shown in FIG. 6, the first coupling member 112 is coupled to both sides of the first support member 111 perpendicular to the first auxiliary thread 111a, and extends toward the second body 130 And may include a pair of first coupling member units 112a and 112b having a plate shape.

The first engaging member 112 may be provided in plurality. In this case, the plurality of first engaging members 112 may be spaced apart from each other along the extending direction of the first vertical member 11.

For example, the first engaging member 112 may be provided as shown in Figs. 2 and 6. In this case, one first engaging member 112 surrounds the first vertical member 11 as shown in FIG. 2, and the other first engaging member 112 is disposed so as to surround the second vertical member 21 .

The first engagement member 112 can be detachably coupled to the second engagement member 132 described later. This will be described later.

In the present embodiment, the first body 110 may further include a first alignment member 113.

The first alignment member 113 may align the first thread 12 and the third thread 22.

More specifically, the first alignment member 113 has a first threaded portion (not shown) between the first thread 12 and the third thread 22 when the first leg unit 10 and the second leg unit 20 are in contact 12 in the thickness direction can be removed. 3 and 4, the first aligning member 113 can eliminate the step in the Y-axis direction between the first thread 12 and the third thread 22.

In this case, the first alignment member 113 aligns the first thread 12 and the third thread 22 so that the first leg unit 10 and the second leg unit 20 are effectively aligned and in contact with each other have.

For example, the first alignment member 113 may have a bar shape extending in the extending direction of the first vertical member 11 as shown in FIGS. 5 and 6, but is not limited thereto.

When the first aligning member 113 has a bar shape, the first aligning member 113 has one end on one side perpendicular to the surface of the first support member 111 on which the first auxiliary thread 111a is formed And the other end can be projected and extended with respect to the end of the first leg unit 10. [

6 and 7, the first supporting member 111, the first engaging member 112, and the first aligning member 113 are formed by a method such as welding As shown in FIG. Alternatively, although not shown, the first supporting member, the first engaging member, and the first aligning member may be integrally made of the first body 110.

According to the present embodiment, the second body 130 may include a second support member 131 and a second engagement member 132.

A second auxiliary thread 131a may be formed at one end of the second support member 131 to engage with and engage with the second thread 13.

For example, as shown in FIG. 3, the second auxiliary thread 131a may be formed so as to engage with the second thread 13 on one surface of the second support member 131, which faces the first vertical member 11.

The other end of the second support member 131 may protrude from the end of the first leg unit 10 to form a part of the passage.

For example, one surface of the second support member 131 facing the second vertical member 21 may constitute a side surface of the passage as shown in FIG. In this case, one surface of the second support member 131 facing the second vertical member 21 can contact the peak of the fourth thread 23.

The second support member 131 may have the same shape as a bar extending in the extending direction of the first vertical member 11 as shown in FIGS. 5 and 6, but is not limited thereto.

The second coupling member 132 may protrude from both sides of the second support member 131 perpendicular to the surface on which the second auxiliary thread 131a is formed and may extend toward the first body 110. In this case, the second engagement member 132 may be configured to surround at least one of the first vertical member 11 and the second vertical member 21.

6, the second coupling member 132 is coupled to both sides of the second support member 131 perpendicular to the surface on which the second auxiliary thread 131a is formed and extends toward the first body 110 And a pair of second coupling member units 132a and 132b having a plate shape.

The second engagement member 132 may be provided in plural. In this case, the plurality of second engaging members 132 may be spaced apart from each other along the extending direction of the first vertical member 11.

For example, two second engagement members 132 may be provided as shown in Figs. 2 and 6. In this case, one second engaging member 132 surrounds the first vertical member 11 as shown in FIG. 2, and the remaining second engaging member 132 is disposed so as to surround the second vertical member 21 .

The second engaging member 132 is releasably engageable with the first engaging member 112. This will be described later.

In this embodiment, the second body 130 may further include a second alignment member 133.

The second alignment member 133 may align the second thread 13 and the fourth thread 23.

More specifically, the second alignment member 133 has a second threaded portion (not shown) between the second thread 13 and the fourth thread 23 when the first leg unit 10 and the second leg unit 20 are in contact 13 in the thickness direction can be removed. 3 and 4, the second aligning member 133 can remove the step in the Y-axis direction between the second screw thread 13 and the fourth screw thread 23, as shown in FIGS.

In this case, the second alignment member 133 aligns the second thread 13 and the fourth thread 23 so that the first leg unit 10 and the second leg unit 20 are effectively aligned and in contact with each other have.

For example, the second alignment member 133 may have a bar shape extending in the extending direction of the first vertical member 11 as shown in FIGS. 5 and 6, but is not limited thereto.

When the second aligning member 133 has a bar shape, the second aligning member 133 is formed on one side of the second supporting member 131, which is perpendicular to the face on which the second assistant thread 131a is formed, And the other end can be projected and extended with respect to the end of the first leg unit 10. [

6 and 7, a second supporting member 131, a second engaging member 132, and a second aligning member 133, which are manufactured separately, As shown in FIG. Alternatively, although not shown, the second supporting member, the second engaging member, and the second aligning member may be integrally fabricated.

In this embodiment, the first body 110 and the second body 130 may be detachably coupled. More specifically, the first engaging member 112 of the first body 110 and the second engaging member 132 of the second body 130 may be detachably coupled.

For example, the first engaging member 112 and the second engaging member 132 may be bolted to each other as shown in FIG. In this case, the first engaging member 112 and the second engaging member 132 may be formed with coupling holes 151 through which the bolts 150 are fastened.

For example, the first engaging member 112 and the second engaging member 132 can overlap each other. At this time, the end of the first engaging member 112 and the end of the second engaging member 132 may be bolted to each other as shown in FIG. 3 and FIG.

As another example, the first engagement member 112 and the second engagement member 132 may be detachably coupled in various ways, such as a clamp.

In this embodiment, the combination of the first engagement member 112 and the second engagement member 132 may be provided as a pair as shown in FIG. At this time, one of the assemblies of the pair of first engaging members 112 and the second engaging members 132 surrounds the first vertical member 11 as shown in FIGS. 2 and 3, The second vertical member 21 may be spaced apart from the second vertical member 21 and may be discharged.

In this case, in the spaced spaces between the assemblies of the pair of first engaging members 112 and the second engaging members 132, welding is performed to the contact portions of the first leg unit 10 and the second leg unit 20 The work can be easily performed.

According to the present embodiment, the other end of the first support member 111 and the other end of the second support member 131 may have a taper shape as shown in FIG. Such a tapered shape can effectively guide the inflow of the second leg unit 20 into the passage formed by the combination of the first body 110 and the second body 130.

As described above, the auxiliary device 100 for coupling the jack-up leg according to the present embodiment is configured such that the first body 110 and the second body 130, which are detachably coupled to each other, Engage with the first thread 12 and the second thread 13 of the first leg unit 10 through the first and second auxiliary threads 131a so that the coupling of the first body 110 and the second body 130 Support of the third thread 22 and the fourth thread 23 of the second leg unit 20 flowing into the first leg unit 10 through the providing passage facilitates installation and removal of the leg unit And it is possible to prevent the deformation of the contact portions between the leg units which are mutually adjacent to each other in the installation and removal processes.

8 is a view for explaining a procedure of using an auxiliary device for coupling a jack-up leg according to an embodiment of the present invention.

Hereinafter, with reference to Figs. 2 and 8, the use process of the auxiliary device 100 for joining the jack-up leg according to the present embodiment will be described.

8, the first body 110 and the second body 130 may be installed at the ends of the first leg unit 10 installed in the jack-up structure.

At this time, the first auxiliary thread 111a may be engaged with the first thread 12 and the second auxiliary thread 131a may be engaged with the second thread 13. The end portion of the first engaging member 112 and the end portion of the second engaging member 132 overlap and can be bolted to each other.

The second leg unit 20 can be moved to the end of the first leg unit 10 where the first body 110 and the second body 130 are coupled by a crane (not shown).

Referring to FIG. 2, the second leg unit 20 may be introduced into a passage formed by a combination of the first body 110 and the second body 130.

At this time, the ends of the first leg unit 10 and the second leg unit 20 can be aligned and contact with each other within the combined body of the first body 110 and the second body 130.

The first screw thread 12 and the third thread screw 22 are connected to the first aligning member 113 and the second screw thread 13 and the fourth screw thread 23 are connected to the second aligning member 133 Respectively.

Then, the contact portions of the first leg unit 10 and the second leg unit 20 can be fixedly joined by a welding operation. After the first leg unit 10 and the second leg unit 20 are coupled to each other, the first body 110 and the second body 130 are released from the bolt connection, Can be removed on the contact portion of the second leg unit 20.

Meanwhile, the auxiliary device 100 for joining the jack-up leg according to the present embodiment may be configured such that when one leg unit is composed of a plurality of vertical members, the first leg unit 10 and the second leg unit 20 May be used in plurality in correspondence with a plurality of vertical members in the process.

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: Jack-up leg
10: first leg unit
11: first vertical member
12: First thread
13: Second thread
20: second leg unit
21: second vertical member
22: Third thread
23: Fourth thread
100: Auxiliary device for joining jack-up legs
110: first body
111: first supporting member
111a: First auxiliary thread
112: first coupling member
112a, 112b: a first engaging member unit
113: first alignment member
130: Second body
131: second supporting member
131a: Second auxiliary thread
132: second coupling member
132a, 132b: a second engagement member unit
133: second alignment member
150: Bolt
151: Coupling hole

Claims (6)

A first body engaged with a first screw thread formed at one end of a first vertical member constituting the first leg unit; And
And a second body detachably coupled to the first body and engaged with a second thread formed at the other end of the first vertical member,
Wherein the combination of the first body and the second body provides a passage through which the second leg unit adjacent to the first leg unit flows into the first leg unit to contact the first leg unit, For example. The method according to claim 1,
The first body may include:
A first support member formed at one end with a first auxiliary thread engaging with the first thread and having a second end protruding from an end of the first leg unit to form a part of the passage; And
And a first coupling member protruding from both sides perpendicular to the first auxiliary threaded surface and extending toward the second body,
The second body may include:
A second support member formed at one end with a second auxiliary thread engagingly engaging with the second thread and having a second end protruding from the end of the first leg unit to constitute a part of the passage; And
And a second engagement member detachably engaged with the first engagement member and projecting from opposite sides perpendicular to the second auxiliary threaded surface and extending toward the first body, Device. 3. The method of claim 2,
Wherein the plurality of first engagement members are spaced apart from each other along an extending direction of the first vertical member,
Wherein a plurality of said second engagement members are provided and said plurality of second engagement members are spaced apart from each other along an extending direction of said first vertical member. 3. The method of claim 2,
Wherein the first engaging member and the second engaging member are bolted or overlapped with each other. 3. The method of claim 2,
The first body further includes a first alignment member for aligning a third screw thread formed on one end of one side of the first screw member and the second screw member constituting the second leg unit,
Wherein the second body further comprises a second alignment member for aligning a fourth thread formed at the other end of the second thread and the second vertical member. 3. The method of claim 2,
Wherein the other end of the first support member and the other end of the second support member each have a tapered shape.
KR1020150165398A 2015-11-25 2015-11-25 Assisting apparatus for assembling jack-up leg KR101792752B1 (en)

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Application Number Priority Date Filing Date Title
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KR101792752B1 KR101792752B1 (en) 2017-10-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107386244A (en) * 2017-08-17 2017-11-24 西伯瀚（上海）海洋装备科技有限公司 A kind of truss-like hydraulic bolt lowering or hoisting gear

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101055347B1 (en) * 2011-01-17 2011-08-08 (주)대우건설 Welding guideway for assembling modular filled steel pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107386244A (en) * 2017-08-17 2017-11-24 西伯瀚（上海）海洋装备科技有限公司 A kind of truss-like hydraulic bolt lowering or hoisting gear

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