KR20130125179A - Lifting apparatus for heavy material - Google Patents

Lifting apparatus for heavy material Download PDF

Info

Publication number
KR20130125179A
KR20130125179A KR1020120048722A KR20120048722A KR20130125179A KR 20130125179 A KR20130125179 A KR 20130125179A KR 1020120048722 A KR1020120048722 A KR 1020120048722A KR 20120048722 A KR20120048722 A KR 20120048722A KR 20130125179 A KR20130125179 A KR 20130125179A
Authority
KR
South Korea
Prior art keywords
heavy
lifting
lifting device
vertical direction
present
Prior art date
Application number
KR1020120048722A
Other languages
Korean (ko)
Inventor
강봉래
김만효
장응윤
김기엽
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
Publication date
Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020120048722A priority Critical patent/KR20130125179A/en
Publication of KR20130125179A publication Critical patent/KR20130125179A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • B66F7/0666—Multiple scissor linkages vertically arranged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor

Abstract

A heavy lifting device is disclosed. Weight lifting device according to an embodiment of the present invention, the base member is installed on top of the base member and the first elevating portion including an X-shaped scissor lift capable of elevating in the vertical direction and the upper and lower directions And a second lifting unit including a vertical lift capable of moving up and down.

Description

Heavy lifting device {LIFTING APPARATUS FOR HEAVY MATERIAL}

The present invention relates to a heavy lifting device that can support by lifting a heavy object to a certain height in a narrow space during the construction of a ship.

In general, a large ship or the like is assembled by assembling blocks of various shapes to each other, and in the drying process, lugs may be attached to a lower portion of a block having a predetermined height. In this case, the lug attached to the block is lifted to a certain height from the reference plane, and the worker assembles by overhead welding. As such, an overhead lifting device for lifting a lug, which is a heavy weight, to a certain height, is required.

However, the lifting device used in overhead work should be a device that can be used in confined spaces constrained in the shipbuilding process. That is, since a large size device cannot be used in a ship construction process, a device that can be elevated to a constant height in a narrow space is required.

For example, when the lifting height of the heavy lifting device used for overhead work is increased, the weight lifting device also becomes large, making it difficult to use in the shipbuilding process. Therefore, there is a need for an apparatus capable of entering a narrow space and lifting up and down to a constant height necessary for overhead work.

One embodiment of the present invention is to provide a heavy lifting device that can support by lifting a heavy object to a certain height in a narrow space in the drying process of the vessel.

 Provided is a heavy lifting device including a first lifting unit installed and including a X-shaped scissor lift capable of lifting in the vertical direction and a second lifting unit including a vertical lift installed in the upper and lower directions to the upper and lower directions. do.

At this time, the X-shaped scissor lift of the first lifting unit is a first table located above the base member; A plurality of link members connected in an X shape between the first table and the base member; It may include a first hydraulic cylinder coupled to one side of the link member for lifting the first table.

In this case, the vertical lift includes a second table positioned above the first table and a plurality of second hydraulic cylinders installed on the first table to lift the second table coupled to one end thereof in the vertical direction. can do.

In this case, the second table may be provided on the upper portion, and may further include a weight fixing part rotatable about the axis perpendicular to the vertical direction through the heavy material or rotatable about the vertical direction.

The heavy lifting device according to an embodiment of the present invention can lift and support a heavy object to a constant height in a narrow space in a ship's construction process.

1 is a front view of a heavy lifting device according to an embodiment of the present invention.
2 is a side view of the weight lifting device according to an embodiment of the present invention.
3 is a front view of a state in which the heavy lifting device according to an embodiment of the present invention is contracted.
4 is a schematic state diagram in which a heavy lifting device according to an embodiment of the present invention is used in a narrow space.
5 is a partially enlarged view of a lug of a heavy lifting device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

1 is a front view of a heavy lifting device according to an embodiment of the present invention. 2 is a side view of the weight lifting device according to an embodiment of the present invention. 3 is a front view of a state in which the heavy lifting device according to an embodiment of the present invention is contracted.

1 and 2, the heavy lifting device 100 according to an embodiment of the present invention is a device for supporting a heavy load by lifting a heavy weight to a certain height in a narrow space during ship construction.

Referring to FIG. 1, a heavy lifting device 100 according to an embodiment of the present invention includes a base member 110, a first lifting unit 130, and a second lifting unit 150.

According to one embodiment of the present invention, the base member 110 supports the first lifting unit 130 that can be lifted. In this case, a plurality of wheels may be installed below the base member 110. By the plurality of wheels 111, the heavy lifting device 100 according to an embodiment of the present invention can move to a predetermined position after mounting the heavy load.

In addition, the wheel drive unit 113 is installed to transmit power to the wheel to facilitate the movement of the heavy lifting device 100.

On the other hand, the first lifting unit 130 according to an embodiment of the present invention includes an X-shaped scissor lift (scissors) is installed on the upper portion of the base member 110 to elevate the weight in the vertical direction.

In this case, referring to FIG. 1, the X-shaped scissor lift includes a plurality of link members 131 and 133, a first hydraulic cylinder 135, and a first table 137.

According to an embodiment of the present invention, the plurality of link members 131 and 133 are configured such that a pair of links are connected in an X shape, respectively, and positioned between the base member 110 and the first table 137 to be described later. do. For example, in the first link member 131, the links 131a and 131b are rotatably connected in an X shape. Similarly, the second link member 133 is also formed in the same way as the first link member 131.

The link members 131 and 133 may have end portions of the first inner link 131a and the second outer link 133b, and end portions of the first outer link 131b and the second inner link 133a as shown in FIG. 1. Rotatably coupled to each other as shown.

At this time, one end of the first hydraulic cylinder 135 to be described later is coupled to one side of one of the plurality of link members (131, 133). The other end of the first hydraulic cylinder 135 is coupled to the base member 110. By the operation of the first hydraulic cylinder 135, the angle formed by the link members connected in the X-shape is changed, the first table 137 connected to the end of the first link member 131 can be moved up and down. .

In more detail, as shown in FIG. 1, the hydraulic cylinder 135 connected to one side of the link 131a is operated to change the angles α and β formed by the X-shaped links 131a, 131b or 133a and 133b. do. As such, the angles α and β are changed to move the first table 137 connected to one end of the first links 131a and 131b in the vertical direction.

For example, when the angles α and β increase, the first table 137 rises. On the contrary, when the angles α and β decrease, the first table 137 descends.

Referring to FIG. 3, when the angles α and β by the links 131a and 131b or 133a and 133b are minimized, the first table 137 is placed at the lowest position. At this time, the X-shaped scissor lift is placed in a state in which the angles α and β are minimized to place the heavy object on the lifting device 100 or to store the lifting device 100.

According to one embodiment of the invention, as described above, the hydraulic cylinder 135 is coupled to one side of the link members (131, 133).

In more detail, one end of the piston of the hydraulic cylinder 135 is coupled to one side of the first inner link 131a as shown in FIG. 1. At this time, when the piston reciprocates linearly by hydraulic pressure, the angles α and β by the links 131a, 131b or 133a, 133b are changed as described above, so that the first table 137 moves in the vertical direction. Will move.

On the other hand, the first table 137 is connected to the one end of the first link (131a, 131b) to support the second lifting unit 150.

According to one embodiment of the present invention, the second lifting unit 150 which can be lifted in the vertical direction is positioned above the first lifting unit 130. In this case, the second lifting unit 150 includes a second table 155 and a second hydraulic cylinder 153.

Referring to FIG. 1, the second hydraulic cylinder 153 of the second lifting unit 150 may include the first table 137 in the vertical direction so that the piston 151 of the second hydraulic cylinder 153 may linearly move in the vertical direction. It is installed in).

In this case, a plurality of second hydraulic cylinders 153 of the second lifting unit 150 may be installed on the first table 137 to elevate the above-mentioned heavy materials up and down. The plurality of second hydraulic cylinders 151 are arranged side by side in the vertical direction on the first table 137 as shown in FIG. 1.

On the other hand, the second table 155 is installed at the end of the piston 151 of the second hydraulic cylinder 153 of the second lifting unit 150, the second table 155 to the heavy weight fixing portion 190 to be described later I support it. That is, the heavy weight fixing portion 190 is installed above the second table 155.

4 is a schematic state diagram in which a heavy lifting device according to an embodiment of the present invention is used in a narrow space.

Referring to Figure 4, the heavy lifting device 100 according to an embodiment of the present invention can support a heavy load in a narrow space and can be elevated to a certain height required for work.

If the heavy lifting device consists only of the aforementioned X-shaped scissor lift, the width (E) of the X-shaped scissor lift is large when the lifting device must enter a narrow space of width A and rise by height D during the construction of the ship. The lifting device becomes impossible to enter a narrow space.

More specifically, the length of the link member of the X-shaped scissor lift must be increased in order to increase the lifting height of the X-shaped scissor lift. That is, the length E of the link member in a state where the X-shaped scissor lift shown in FIG. 4 is not lifted is increased.

As described above, when the length E of the link member increases as the lifting height of the X-shaped scissor lift increases, the heavy lifting device may not enter the space A. That is, the method of increasing the lifting height of the X-shaped scissor lift is limited by increasing the length of the link member of the X-shaped scissor lift.

On the other hand, in order to increase the lifting height of the X-shaped scissor lift without increasing the length E of the link member of the X-shaped scissor lift, it is necessary to connect a plurality of X-shaped link members.

As such, when the number of link members connected to each other increases, as shown in FIG. 3, the height F of the X-shaped scissor lift itself is increased while the X-shaped scissor lift is not lifted.

In this case, when the height F of the X-shaped scissor lift increases, a problem arises in that the elevating device cannot enter the lower portion of the heavy weight to be mounted, or must lift the heavy weight directly to the elevating device.

Accordingly, in the heavy lifting device 100 according to the exemplary embodiment of the present invention, the above-described second lifting unit 150 is disposed on the first lifting unit 130 as described above, and thus, in the narrow space as shown in FIG. 4. It can enter and raise the weight to a certain height.

At this time, the heavy lifting device 100 can be lifted by the lifting height B by the X-shaped scissor lift and the lifting height C by the vertical lift. That is, the heavy lifting device 100 can be lifted by the entire lifting height D (D = B + C).

On the other hand, according to one embodiment of the present invention, to support the weight (P) in a state inclined at a predetermined angle, the weight fixing portion 190 for mounting the weight (P) on the upper portion of the second table 155 is installed do. At this time, the weight fixing portion 190 includes a support 191 and the holder 193 to be rotatable about an axis perpendicular to the vertical direction as shown in FIG.

At this time, according to an embodiment of the present invention, the support 191 is installed on the second table 155 to support the holder 193 to be rotatable. In addition, the support 191 may be rotatably installed in the second table 155 about the vertical direction.

On the other hand, the holder 193 may have a U-shaped cross section so as to mount the weight (P) as shown in FIG.

As described above, the heavy lifting device 100 according to an embodiment of the present invention may enter a narrow space where an accessible space is limited and ascend through a heavy load.

As described above, the present invention has been described through limited embodiments and drawings, but the present invention is not limited thereto, and the present invention has been described below by the person skilled in the art to which the present invention pertains. Various modifications and variations are possible within the scope of the claims.

100: heavy lifting device 110: base member
130: first lifting unit 131: first link member
133: second link member 135: first hydraulic cylinder
137: first table 150: second lifting unit
153: second hydraulic cylinder 155: second table
190: heavy weight fixing part

Claims (4)

Base member
A first elevating unit installed on the base member and including an X-shaped scissor lift capable of elevating in a vertical direction;
A heavy lifting device including a second lifting unit installed on the first lifting unit and including a vertical lift capable of lifting in the vertical direction.
The method of claim 1,
The X-type scissor lift of the first lifting unit
A first table located above the base member
A plurality of link members connected in an X shape between the first table and the base member
A heavy lifting device including a first hydraulic cylinder coupled to one side of the link member for lifting the first table.
3. The method of claim 2,
The vertical lift
A second table located above the first table; and
And a plurality of second hydraulic cylinders installed on the first table and configured to lift the second table coupled to one end thereof in a vertical direction.
The method of claim 3, wherein
A weight lifting device installed on the upper portion of the second table, further comprising a weight fixing portion rotatable about the axis perpendicular to the vertical direction through the heavy load or rotatable about the vertical direction.
KR1020120048722A 2012-05-08 2012-05-08 Lifting apparatus for heavy material KR20130125179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120048722A KR20130125179A (en) 2012-05-08 2012-05-08 Lifting apparatus for heavy material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120048722A KR20130125179A (en) 2012-05-08 2012-05-08 Lifting apparatus for heavy material

Publications (1)

Publication Number Publication Date
KR20130125179A true KR20130125179A (en) 2013-11-18

Family

ID=49853699

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120048722A KR20130125179A (en) 2012-05-08 2012-05-08 Lifting apparatus for heavy material

Country Status (1)

Country Link
KR (1) KR20130125179A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160001339A (en) 2014-06-27 2016-01-06 이레오션 주식회사 Ploating Structure with Heavy Material Lifiting Device
KR20170001825U (en) 2015-11-17 2017-05-25 대우조선해양 주식회사 Medium and large battlefield equipment installation lifting device
CN110697596A (en) * 2019-10-25 2020-01-17 徐州盛安化工科技有限公司 Material lifting device for building engineering

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160001339A (en) 2014-06-27 2016-01-06 이레오션 주식회사 Ploating Structure with Heavy Material Lifiting Device
KR20170001825U (en) 2015-11-17 2017-05-25 대우조선해양 주식회사 Medium and large battlefield equipment installation lifting device
CN110697596A (en) * 2019-10-25 2020-01-17 徐州盛安化工科技有限公司 Material lifting device for building engineering

Similar Documents

Publication Publication Date Title
JP2008074543A (en) Mounting structure of lifting table in transfer device
CN214570523U (en) Positioning telescopic base
KR20130125179A (en) Lifting apparatus for heavy material
KR101666344B1 (en) Tyre lifter
CN206326296U (en) A kind of welding robot device with lift adjustment function
CN105417455A (en) Hydraulic climbing mechanism
KR20170035171A (en) Up-down work table
CN204449688U (en) For welding the welder of cargo floor
CN210313347U (en) Textile machinery elevating platform
JP6308078B2 (en) Work lifting device
JP2014223651A (en) Multistage press device
CN106035592A (en) Slaughtering operation platform with compact structure and capable of moving, rising and falling
KR101461257B1 (en) Rim assembling apparatus for solidtire
CN104828708A (en) Large transformer bell indoor in-situ vertical lifting apparatus
KR20160127464A (en) Backing device for repair fork lift
CN104843614A (en) Multi-dimensional comprehensive lifting device for transformer assembly
KR101903689B1 (en) Apparatus for supporting block and method for connecting block using the same
CN212953966U (en) Electric hoist double-beam crane
CN205061503U (en) Realize that goods removes and lifts and turning device
KR102125627B1 (en) Tilting device for large-scale object
CN109834456B (en) Brake cylinder spring decomposition device
CN104876154A (en) Power equipment hoisting device for narrow space
KR101391552B1 (en) Self-aligning side roller installation struture for a fork lift truck
CN202766076U (en) Double-hook single-hinge translation device
JP2006335530A (en) Lift device for work

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E90F Notification of reason for final refusal
E601 Decision to refuse application