KR20150007170A - Riser lifting device of crane - Google Patents

Riser lifting device of crane Download PDF

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Publication number
KR20150007170A
KR20150007170A KR1020130081235A KR20130081235A KR20150007170A KR 20150007170 A KR20150007170 A KR 20150007170A KR 1020130081235 A KR1020130081235 A KR 1020130081235A KR 20130081235 A KR20130081235 A KR 20130081235A KR 20150007170 A KR20150007170 A KR 20150007170A
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KR
South Korea
Prior art keywords
lifting
beams
crane
sides
lifting beams
Prior art date
Application number
KR1020130081235A
Other languages
Korean (ko)
Inventor
김민
Original Assignee
현대중공업 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
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020130081235A priority Critical patent/KR20150007170A/en
Publication of KR20150007170A publication Critical patent/KR20150007170A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • B66C23/08—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
    • B66C23/10—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
    • B66C2700/011—Cable cranes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

A riser lifting device for a crane according to the present invention comprises a pair of lifting beams vertically installed on both sides of a crane body having a horizontally long length and a pair of lifting beams installed on the lower ends of the lifting beams, And a lifting drive unit installed on both sides of the crane main body for lifting and lowering the lifting beams.

Description

RISER LIFTING DEVICE OF CRANE < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifter lifting device for a crane, and more particularly, to a lifter lifting device for lifting a lifter lifting device of a crane by lifting a pair of lifting beams vertically- Lifting of the riser can be prevented, and various lengths can be applied to the riser lifting device of the crane having the ease of installation and disassembly.

In general, drillship refers to a ship used to drill a hole at the bottom of the sea for oil exploration.

In this loading space of the drill ship, a riser for drilling is stacked in multiple stages and a gantry crane is installed for moving or inspecting the risers.

Here, the gantry crane is provided with a yoke for lifting the riser so as to be able to move up and down by an elevating device.

However, the conventional yoke has a structure that is lifted and lowered by a wire and a driving device, so that the shaking of the riser may occur during the lifting process, which makes it difficult to ensure the accuracy and safety of the lifter lifting operation.

Prior art related to the present invention is Korean Patent Laid-Open No. 10-2012-0005770 (published Jan. 17, 2012), which discloses a riser transfer device for a drill rig.

An object of the present invention is to provide a lifting device for lifting a riser without lifting by lifting a pair of lifting beams vertically slidable up and down and lifting a riser stacked on the hull, And can be applied in various lengths, thereby providing a riser lifting device for a crane having ease of installation and dismounting work.

It is a further object of the present invention to provide a horizontal connecting beam between elevating beams to maintain the gap between the elevating beams constantly and to grasp the riser precisely, And a lifter lifting device.

A riser lifting device for a crane according to the present invention comprises a pair of lifting beams vertically installed on both sides of a crane body having a horizontally long length and a pair of lifting beams installed on the lower ends of the lifting beams, And a lifting driving unit installed on both sides of the crane main body for lifting and lowering the lifting beams. The lifting drive unit includes: a yoke for holding longitudinally opposite ends of a drilling riser stacked on the crane main body;

Further, it is preferable that guide holes are formed on both sides of the crane main body so as to be vertically penetrated, and the elevating beams are vertically moved up and down in a state of being inserted into the guide holes.

Further, it is preferable that auxiliary guides for supporting the upper ends of the elevating beams are provided on both upper ends of the crane main body so as to be vertically provided at the same positions as the guide holes.

In addition, a connecting tooth is continuously formed along the vertical direction on one side surface of the lifting beams, the driving unit includes a driving motor installed on both sides of the crane body, and a driving motor coupled to the driving shaft of the driving motor, And a rotary gear for transmitting the elevating driving force of the elevating beam in the engaged state.

Preferably, the yoke has a hook portion rotatably installed at a lower end of the lifting beams, and a rotation driving portion provided at a lower end of the lifting beams to rotate the hook portion in both directions .

Wherein a connecting beam is horizontally installed between the elevating beams, and both ends of the connecting beams are coupled to corresponding ones of the elevating beams.

According to the present invention, a pair of lifting beams having a length in the vertical direction are slid up and down, lifting the risers stacked on the hull, thereby simplifying the structure and reducing the manufacturing cost, lifting the riser without shaking And can be applied to various lengths, so that installation and demolition work can be easily performed.

In addition, by providing a horizontal connecting beam between the elevating beams, the interval between the elevating beams can be maintained constant, and the riser can be held accurately, thereby ensuring safety of lifting.

1 is a front view showing a riser lifting device of a crane according to the present invention.
Fig. 2 is an enlarged view of the main part according to Fig.
FIG. 3 is a state view showing a state in which the lifting beam is lowered to the gripping position in the riser lifting device of the crane according to the present invention, and the yoke is lifted while gripping the riser.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1, a riser lifting apparatus for a crane according to the present invention includes a pair of lifting beams 100, a yoke 200, and a lifting drive unit 300. As shown in FIG.

First, the pair of lifting beams 300 are vertically installed on both sides of a crane body 10 having a horizontal length.

To this end, guide holes 11 for guiding the lifting beams 100 are vertically formed on both sides of the crane body 10, respectively.

Here, the elevating beams 100 may have a rectangular beam shape having a length in the vertical direction.

The guide hole 11 has a shape corresponding to the shape of the lifting beam 100.

The connecting teeth 110 may be continuously formed on one side of the lifting beams 100 along the vertical direction.

Alternatively, the connecting teeth 110 may be formed on both sides of the lifting beams 100, respectively.

The connecting teeth 110 are engaged with a rotary gear 320 to be described later, and are transmitted with an elevating driving force capable of raising and lowering the elevating beams 100.

The connecting teeth 110 are formed on only one side or both sides of the lifting beams 100.

At this time, since the connecting teeth 110 are not formed on both sides of the elevating beams 100 perpendicular to the connecting teeth 110, they can be slidably supported by the guide holes 11.

Further, a connection beam 120 installed horizontally between the lifting beams 100 and having a length in both directions may be further installed.

The connecting beams 120 are coupled to one end of the lifting beams 100 so that the lifting beams 100 are spaced apart without shaking.

The connecting beam 120 may be positioned at a lower end portion of the lifting beams 100.

Meanwhile, on both sides of the crane body 10, a boarding basket 20 on which a worker can ride can be installed to be movable up and down.

The boarding baskets 20 can be installed on one side of the lifting beams 100. The operator who boarded the boarding basket 20 can visually confirm the state of the riser 1 at a predetermined height.

Here, the boarding basket 20 is raised and lowered to a predetermined height by a separate elevating drive device (not shown).

The yoke 200 grasps the riser 1 stacked in the laminated region of the hull in a state where the yoke 200 is installed at the lower ends of the lifting beams 100, respectively.

Here, the yoke 200 grasps both longitudinal ends of the drilling riser 1 stacked in the lamination region through the rotation grasping operation.

For this purpose, the yoke 200 may include a hook portion 210 and a rotation driving portion 220.

The hook portions 210 are installed to be rotatable in directions corresponding to each other in a state where the hook portions 210 are installed at the lower ends of the elevation beams 100, respectively.

Here, the hook portion 210 has an annular shape in which the lifting beams 100 are bent in a direction opposite to each other.

The upper end of the hook portion 210 is hinged to one side of the lifting beams 100 so as to be rotatable.

A lower end of the hook portion 210 grips a longitudinal side end portion of the riser 1 when the lifting beams 100 are rotated in a direction opposite to each other.

In this state, when the elevating beam rises, the riser 1 gripped by the hook portion 210 of the yoke ascends at a certain height.

Thereafter, the crane main body 10 is moved to the riser installation position, and the riser 1 installation work can proceed.

The rotation driving unit (not shown) is installed at the lower ends of the lifting beams 100 to rotate the hook unit 210 in both directions.

Here, the rotation driving unit may be a hydraulic cylinder, a motor, or the like, provided at a lower end of the lifting beams 100, for rotating the hook unit 210 in both directions.

That is, in a state where the lifting beams 100 are lowered to the gripping position of the riser 1, the hook portion 210 is rotated by the driving force of the rotation driving unit (not shown) to grip the riser 1.

The lifting drive unit 300 is installed on both sides of the crane body 1 to lift the elevating beams 100 up and down.

For this purpose, the lifting drive unit 300 may include a driving motor 310 and a rotary gear 320.

The drive motors 310 are installed on both sides of the crane body 10 and may be installed on the crane body 10, respectively.

Here, the driving motors 310 may be installed on both sides of the lifting beam 100.

That is, when the up-and-down driving motors 310 are installed in pairs, the up-and-down driving force can be transmitted from both directions through the connecting teeth 110 of the up-and-down beam 100.

The rotary gear 320 is coupled to the driving shaft of the driving motor 310 and is engaged with the coupling teeth 110 of the lift beams 100.

Here, the rotary gear 320 is rotatably installed on a driving shaft of the driving motor 310, and transmits the elevating driving force to the connecting teeth 110 formed on the sides of the elevating beams 100.

At this time, the lifting beams 100 may be lowered to the gripping position of the riser 1 as shown in FIG. 1, or may be lifted up as shown in FIG.

Consequently, according to the present invention, a pair of lifting beams 100 having a length in the vertical direction can be lifted up and down to lift the riser 1 stacked on the hull.

As a result, the structure is simple, the manufacturing cost can be reduced, and the riser 1 can be lifted without shaking, ensuring safety of work.

Further, since the lifting beams 100 are formed as one body, they can be applied to various lengths, which facilitates the installation and disassembly work.

In addition, by providing a horizontal connecting beam 120 between the lifting beams 100, the spacing of the lifting beams 100 can be maintained constant, and the lifter 1 can be accurately grasped, Can be secured.

Although a specific embodiment of the lifter lifting device for a crane according to the present invention has been described above, it is apparent that various modifications are possible within the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

1: riser 10: crane body
11: guide hole 20: boarding basket
100: elevating beam 110: connecting teeth
120: connecting beam 200: yoke
210: hook portion 220:
300: lifting driving part 310: driving motor
320: rotary gear

Claims (5)

A pair of lifting beams vertically installed on both sides of a crane body having a horizontal length;
A yoke installed at a lower end of the lifting beams to grip longitudinally opposite ends of a drilling riser stacked in a lamination region through a rotation grasping operation; And
And a lifting drive unit installed on both sides of the crane main body for lifting and lowering the lifting beams.
The method according to claim 1,
On both sides of the crane body,
Guide holes are formed in the upper and lower portions, respectively,
The elevating beams are,
Wherein the lifting device is vertically moved up and down in a state of being inserted into the guide holes.
The method according to claim 1,
On one side of the lifting beams,
The connecting teeth are continuously formed along the vertical direction,
The driving unit includes:
A drive motor provided on both sides of the crane main body,
And a rotary gear coupled to a drive shaft of the drive motor and transmitting a lift driving force of the lift beam in a state of being engaged with the connection teeth.
The method according to claim 1,
The yoke
A hook portion rotatably installed at a lower end of the lifting beams in a direction corresponding to each other,
And a rotation driving unit installed at a lower end of the lifting beams to rotate the hook in both directions.
The method according to claim 1,
Between the elevating beams,
The connecting beams are installed horizontally,
The connecting beam
Wherein both ends of the lifting beams are coupled to corresponding ones of the lifting beams.
KR1020130081235A 2013-07-10 2013-07-10 Riser lifting device of crane KR20150007170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130081235A KR20150007170A (en) 2013-07-10 2013-07-10 Riser lifting device of crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130081235A KR20150007170A (en) 2013-07-10 2013-07-10 Riser lifting device of crane

Publications (1)

Publication Number Publication Date
KR20150007170A true KR20150007170A (en) 2015-01-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130081235A KR20150007170A (en) 2013-07-10 2013-07-10 Riser lifting device of crane

Country Status (1)

Country Link
KR (1) KR20150007170A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416702A (en) * 2017-08-22 2017-12-01 四川宏华石油设备有限公司 A kind of connecting beam apparatus between novel telescopic arm
CN107934775A (en) * 2017-12-18 2018-04-20 河南省重业起重机有限公司 A kind of stiff arms crane
KR102032976B1 (en) * 2018-11-20 2019-10-16 한국수자원공사 Gas adsorption tower
CN118220994A (en) * 2024-05-23 2024-06-21 山东建科管桩有限公司 PHC tubular pile overhead hoist

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416702A (en) * 2017-08-22 2017-12-01 四川宏华石油设备有限公司 A kind of connecting beam apparatus between novel telescopic arm
CN107934775A (en) * 2017-12-18 2018-04-20 河南省重业起重机有限公司 A kind of stiff arms crane
KR102032976B1 (en) * 2018-11-20 2019-10-16 한국수자원공사 Gas adsorption tower
CN118220994A (en) * 2024-05-23 2024-06-21 山东建科管桩有限公司 PHC tubular pile overhead hoist

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