KR20150000299A

KR20150000299A - Basket of crane

Info

Publication number: KR20150000299A
Application number: KR1020130072574A
Authority: KR
Inventors: 장제진
Original assignee: 현대중공업 주식회사
Priority date: 2013-06-24
Filing date: 2013-06-24
Publication date: 2015-01-02

Abstract

A boarding basket of a crane according to the present invention comprises: a main body on which an operator can board and which is lifted by a constant height when the main body is combined in a length adjustment arm of a gantry crane; a support holder installed at one side of the length adjustment arm and on which a guide combining hole is vertically penetrated; and a support bar extended to the upper portion of the main body, and penetrated and connected through the combining hole.

Description

BASKET OF CRANE BACKGROUND OF THE INVENTION [0001]

The present invention relates to a boarding basket for a crane, and more particularly, to a support holder of a length adjusting arm of a gantry crane and a support bar of the main body correspondingly to each other, And to a boarding basket for a crane that can secure the safety of the work.

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 length adjustable arm (also referred to as a telescopic) which can be stretched and the like, and a basket on which a worker can ride is installed on the hook of the length adjusting arm.

For visually inspecting the condition of the riser, it is possible to visually confirm the status of the multi-stage risers while the operator is standing on the basket whose height is adjusted by the expansion and contraction of the length adjustment arm.

However, the conventional basket is raised and lowered in a state where it is coupled to the hook of the length adjusting arm, so that the basket on which the worker is carried can be severely shaken during the lifting and lowering operation of the crane.

In this case, since the operator takes an unstable posture, the visual inspection can not be easily performed, and if the basket is shaken heavily, the operator may fall down.

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 gantry crane which can prevent the operator from moving during the lifting and lowering operation by connecting the support holder provided on the length adjusting beam and the support bar provided on the body with each other by male and female, And to provide a basket for a crane.

A boarding basket for a crane according to the present invention comprises: a main body which can be mounted by an operator and lifted to a predetermined height in a state of being coupled to a length adjusting arm of a gantry crane; And a support bar extending upward from the main body and penetratingly coupled through the coupling hole.

Further, it is preferable that a height adjustable hook is further provided at an end of the length adjusting arm.

In addition, it is preferable that a load cell for hooking the hook is further provided on an upper portion of the main body.

Preferably, the main body further includes an operation panel for operating the crane.

The main body may further include an emergency switch for emergency stopping the crane.

Preferably, the operation panel further includes a power cable for connection with the gantry crane.

It is preferable that the cable adjusting hole is formed on the side of the length adjusting arm so that the cable installation hole is vertically penetrated so that the power cable is vertically penetrated.

Preferably, the guide engagement hole and the support bar have a rectangular shape corresponding to a horizontal direction.

In addition, the lower end of the support holder may further include a guide end bent outwardly or rounded to guide the upper end of the support bar to the guide engagement hole.

In the present invention, a supporting holder installed on a length adjusting beam of a gantry crane and a supporting bar provided on the body are matched with each other by male and female so that the body on which the operator is mounted is prevented from flowing during the lifting and lowering operation, .

1 is a side view showing a boarding basket for a crane according to the present invention.
Fig. 2 is an enlarged view of the main part according to Fig.
3 is a rear view showing a boarding basket for a crane according to the present invention.
FIG. 4 is a state diagram illustrating an operation state of a boarding basket for a crane according to the present invention.

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.

Referring to FIG. 1, a boarding basket for a crane according to the present invention will now be described.

As shown in FIG. 1, the crane basket of the present invention includes a main body 100, a support holder 200, and a support bar 300.

First, the main body 100 can be boarded by an operator and lifted to a predetermined height in a state of being coupled to the length adjusting arm of the gantry crane 10.

That is, the operator can easily grasp the state of the riser 1 stacked in multiple stages in the loading space of the drill ship ship through the height variation of the main body 100 by the elevating operation.

The gantry crane 10 moves along a rail (not shown) provided on the ground, and the height of the main body can be variably adjusted by using a separate length adjusting arm.

The length adjusting arm 11 may have a telescopic structure so that the length thereof can be adjusted to the lower portion of the gantry crane 10.

Here, a height adjustable hook 12 may be further provided at an end of the length adjusting arm 11.

Further, a connecting load cell 110 for hooking the hook 12 may be further provided on the main body 100.

The main body 100 may further include an operation panel 120 and an emergency switch 130.

The operation panel 120 is for operating the gantry crane 10 and the operation panel 120 may further include a power cable 20 for connecting the gantry crane 10 to the gantry crane 10.

Here, a cable mounting hole 13 for mounting the power cable 20 without a flow may be provided on the side of the length adjusting arm 11. [

The cable installation hole 13 is formed through the cable installation hole so that the power supply cable 20 is vertically penetrated.

In addition, a plurality of cable receiving openings 13 may be provided along the longitudinal direction of the length adjusting arm 11. [

The emergency switch 130 is for emergency stopping the gantry crane 10 and may be installed on one side wall of the main body 100.

In addition, the safety bar 140 may be installed at a predetermined height around the main body 100 to prevent the operator from falling.

A ceiling 150 may be further formed on the upper portion of the main body 100. The ceiling 150 may further include a door 151 that can be opened and closed.

A step 160 may be further provided on one side of the main body 100 so that the worker can move to the door 151 of the ceiling 150.

The support holder 200 is installed at one side of the length adjusting arm 11, and the guide engaging hole 210 is vertically formed.

The guide engaging hole 210 and the support bar 300 described later may have a rectangular shape in the horizontal direction so as to be coupled to each other by male and female.

A guide end 220 for guiding the upper end of the support bar 200 to the guide coupling hole 210 may be further formed at the lower end of the support holder 200.

The guide ends 220 may be bent outwardly in an inclined or rounded manner.

That is, the guide end 220 is formed, so that the upper end of the support bar 300, which will be described later, can be easily inserted through the lower end of the coupling hole 210.

The support bar 300 is coupled to the upper portion of the main body 100 to have a length and is slidably movable up and down through the guide engagement hole 210.

The outer peripheral surface of the support bar 300 may have a rectangular shape corresponding to the horizontal direction.

That is, the support bar 300 may have a rectangular shape in the horizontal direction so that the support bar 300 and the guide coupling hole 210 may be coupled to each other by male and female.

Meanwhile, the support holder 200 described above may be installed along the length direction of the length adjusting arm 11 in a plurality of directions.

In addition, the pair of support arms 200 and the length adjusting arms 11 may be provided on both sides in the width direction.

In addition, the support bars 300 may be respectively installed on both sides of the main body 100 and may be coupled to the pair of support holders 200, respectively.

As a result, the present invention can hermetically couple the support holder provided on the length-adjusting beam of the gantry crane 10 and the support bar provided on the body in a corresponding manner.

This prevents the main body 100, on which the operator is aboard, from flowing during the ascending and descending operation, thereby securing the safety of the work.

Although the concrete embodiments of the boarding basket for a crane according to the present invention have been described above, it is apparent that various modifications can be made without departing from 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: gantry crane
11: length adjusting arm 12: hook
13: Cable holder 20: Power cable
100: main body 110: load cell
120: Operation panel 130: Emergency switch
140: Safety bar 150: Ceiling
151: Door 160: Stair
200: support holder 210: guide coupling hole
220: guide member 300: support bar

Claims

A body that can be loaded by an operator and lifted to a predetermined height in a state of being coupled to a length adjusting arm of a gantry crane;
A support holder installed at one side of the length adjusting arm and having a guide engagement hole formed vertically through the support holder; And
And a support bar extending from an upper portion of the main body and penetrating through the coupling hole.

The method according to claim 1,
At the end of the length adjustment arm,
A height adjustable hook is further provided,
On the upper portion of the main body,
And a load cell for hooking the hook is further provided.

The method according to claim 1,
In the main body,
Further comprising an operation panel for operating the gantry crane.

The method according to claim 1,
In the main body,
Further comprising an emergency switch for emergency stopping the gantry crane.

The method of claim 3,
In the operation panel,
A power cable for connecting with the gantry crane is further provided,
On the side of the length adjusting arm,
Wherein a cable installation hole is formed through the cable installation hole so that the power cable is vertically passed through the cable installation hole.

The method according to claim 1,
Wherein the guide engaging hole and the support bar are engaged with each other,
And has a rectangular shape corresponding to the horizontal direction.

The method according to claim 1,
At the lower end of the support holder,
And a guiding step of guiding the upper end of the supporting bar to the guide engaging hole, wherein the guiding step is inclined or rounded outwardly.