KR20140128644A

KR20140128644A - Lifting jig

Info

Publication number: KR20140128644A
Application number: KR1020130047304A
Authority: KR
Inventors: 이재윤
Original assignee: 이재윤
Priority date: 2013-04-29
Filing date: 2013-04-29
Publication date: 2014-11-06

Abstract

An object of the present invention is to provide a lifting jig capable of easily connecting and disassembling a lifting jig to a lifting member having the same weight as that of a piston member of a marine engine through a simple operation of narrowing and widening the angle between the first handle and the second handle .
According to an aspect of the present invention, there is provided a hanger, A first connecting link having one end hinged to both ends of the hooking portion and having a first knob at the other end; A second connecting link having one end hinged to both ends of the hooking portion; A first gripping link portion having a first bending portion formed at an intermediate portion thereof in the shape of 'a', a first gripping link having one end hinged to the other end of the first connecting link, and a protrusion bent at one end toward one end; And a second bending part hinged to the first bending part is formed in the middle part of the first bending part so that one end of the second bending part is hinged to the other end of the second connecting link, And a second grasping link including a pair of grasping links formed at one end and bent at one end and a connecting bar connecting the pair of grasping links so as to be spaced apart from each other in the middle part.
According to the present invention, the lifting jig can be easily connected to and dismounted from the lifting member, thereby reducing the working speed for lifting the lifting member and reducing the work force, thereby providing a lifting jig .

Description

Lifting jig

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting jig, and more particularly, to a lifting jig for lifting a jig by lifting the lifting jig to a heavy weight (lifting member) Gt; jig < / RTI >

Generally, when carrying a heavy weight (lifting member), transportation is accomplished using a crane.

For example, in manufacturing a ship, a crane is used to transport heavy items such as a dynamometer such as an engine, a frame box, and the like in accordance with a process order.

In order to transport a heavy object by using a crane, it is required to prepare a hook and a heavy object to be connected to the crane by a plurality of ropes.

In order to connect the hook and the heavy object with the rope, the hook is placed on the vertical upper end of the center of the heavy object, the one end of each rope is fixed to the hook and the other end of each rope is fixed to the edge, The heavy objects are lifted and transported while forming a pyramid-like structure.

However, in addition to the long time required for the preliminary preparation work for connecting the heavy object and the hook with the rope as in the conventional art, there is also a problem that the work is delayed because the heavy object and the hook connected to the rope are transported and then disassembled.

In addition, when the preparatory work and the finishing work are carried out, there is a problem that a lot of workers have to work in order to shorten the work time.

Korean Patent Laid-Open Publication No. 2009-0124410

SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems described above. It is an object of the present invention to solve at least the above problems and / or disadvantages and to provide at least the advantages described below. The protrusion of the first gripping link portion and the two protrusions of the second gripping link portion are formed in a triangular shape to provide a lifting jig capable of stably lifting and moving the lifting member to be lifted.

It is also an object of the present invention to facilitate the connection and disassembly of the lifting jig to the lifting member of the same weight as the piston member of the marine engine through a simple operation of narrowing and widening the angle between the first handle and the second handle The present invention provides a lifting jig which is capable of shortening the working speed for lifting the lifting member and reducing the work force and improving the working efficiency by facilitating connection and disassembly.

According to an aspect of the present invention, there is provided a lifting jig comprising: a hook portion formed with a hooking groove bent to face opposite ends; A first connecting link having one end hinged to both ends of the hooking portion and having a first knob at the other end; A second connecting link having one end hinged to both ends of the hooking portion; A first gripping link portion having a first bending portion formed at an intermediate portion thereof in the shape of 'a', a first gripping link having one end hinged to the other end of the first connecting link, and a protrusion bent at one end toward one end; And a second bending part hinged to the first bending part is formed in the middle part of the first bending part so that one end of the second bending part is hinged to the other end of the second connecting link, And a second grasping link including a pair of grasping links formed at one end and bent at one end and a connecting bar connecting the pair of grasping links so as to be spaced apart from each other in the middle part.

The apparatus further includes an adjustment ring formed with an adjustment hole into which the first handle and the second handle are inserted to limit a gap between the first handle and the second handle.

As described above, according to the present invention, the lower end of the first gripping link and the lower end of the second gripping link are supported on the ground in a triangular shape so that they can be stood upright from the ground, The two projections of the second gripping link are formed in a triangular shape to provide a lifting jig capable of stably lifting and moving the lifting member to be lifted.

Further, according to the present invention, it is possible not only to facilitate connection and disassembly of the lifting jig to and from a lifting member such as a piston member by simple operation of narrowing and widening the angle of inclination of the first handle and the second handle, The lifting jig capable of shortening the working speed for lifting the lifting member and reducing the work force to improve the working efficiency can be provided.

1 is a perspective view illustrating a lifting jig according to a preferred embodiment of the present invention.
FIG. 2 and FIG. 3 are state diagrams illustrating a use state of the lifting jig according to a preferred embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them 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. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a lifting jig according to embodiments of the present invention.

1 is a perspective view illustrating a lifting jig according to a preferred embodiment of the present invention.

Referring to FIG. 1, the hanger 110 includes a first connecting link 120, a second connecting link 130, a first holding link 140, and a second holding link.

The hooking portion 110 is bent so that both ends thereof face each other, so that the hooking groove 112 is formed.

The hook groove (112) is connected with a hook (200) connected to the lift.

One end of the first connection link 120 is hinged to both ends of the hook 110. Here, the hinge-coupled means that two or more members are coupled to each other by a hinge-coupling method of various hinge-coupling methods such as a bolt, a nut or a rivet so as to be rotatable with respect to each other.

The other end of the first connection link 120 is hinged to one end of a first gripping link, which will be described later, and a first handle 122 is protruded.

One end of the second connection link 130 is hinged to both ends of the hook 110, and is also hinged to one end of the first connection link 120 described above.

Further, the other end of the second connection link 130 is hinged to one end of the second gripping link portion 150, which will be described later.

The first gripping link 140 has a first bent portion 142 formed at an intermediate portion thereof and is hinged to a second bent portion 152 of a second gripping link portion 150 .

One end of the first gripping link 140 is hinged to the other end of the first connecting link 120. One end of the first gripping link portion 140 is formed with a second handle 144 protruding therefrom.

The other end of the first gripping link part 140 is bent toward the one end of the first gripping link part 140, that is, upward so that the projection 146 is formed.

The second gripping link portion 150 includes a pair of gripping links 154 and a connecting bar 158.

The pair of gripping links 154 are spaced apart from each other by a predetermined distance to form a pair of coupling grooves 156.

In addition, the pair of gripping links 154 is formed in a '' shape and a second bent portion 152 is formed in the middle portion.

The second bent portion 152 is hinged to the first bent portion 142.

One end of the pair of gripping links 154 is hinged to the other end of the second connecting link 130 and the other end is bent toward one end of the pair of gripping links 154 to form the protrusion 159.

The connection bar 158 connects the lower portions of the pair of the gripping links 154 such that the distance between the pair of the gripping links 154 becomes narrower from the middle of the pair of the gripping links 154 to the lower portion thereof.

In other words, the lifting jig of the present invention can be stably lifted upright from the ground by supporting the lower end of the first gripping link and the lower end of the second gripping link in a triangular form on the ground, thereby facilitating storage. The lifting jig of the present invention is characterized in that the protrusion 146 of the first gripping link 140 and the two protrusions 159 of the second gripping link 150 are formed in a triangular shape so that the lifting member to be lifted is stably lifted And movement.

Meanwhile, the lifting jig according to the present invention further includes a gap adjusting ring 160. [

The spacing ring 160 is formed with an adjustment hole 162 into which the first handle 122 and the second handle 144 are inserted to limit the spacing distance between the first handle 122 and the second handle 144 do.

That is, the gap adjusting ring 160 is formed in a donut shape, and the gap between the first handle 122 and the second handle 144 is limited according to the size of the adjustment hole 162 and the thickness of the ring.

More specifically, when inserting the first knob 122 and the second knob 144 into the adjustment hole 162 of the gap adjustment ring 160, the gap adjustment ring 160 contacts the first connection link 120, And the first gripping link portion 140 are hinged to each other. The first handle 122 and the second handle 144 may be engaged with the other end of the first connection link 120 and the first end of the first gripping link 140 according to the size of the adjustment hole 162 of the gap adjusting ring 160. [ The angles at which the hinge-coupled points are flared are adjusted. The protrusion 146 of the first gripping link portion 140 and the protrusion 159 of the second gripping link portion 150 are engaged with each other according to the angle at which the first handle 122 and the second handle 144 are opened The distance is adjusted.

That is, the angle at which the first handle 122 and the second handle 144 are widened is different between the first handle 122 and the first gripping link and between the second handle 144 and the first connecting link 120 And is not fired any more when it is opened at an angle by the spacing ring 160 located therein.

Here, the gap adjusting ring 160 having a different size of the adjusting hole 162 is changed according to the size of the lifting member to be lifted, that is, the size of the holding part to grasp the lifting member, The distance between the projection 146 and the projection 159 of the second gripping link 150 may be adjusted.

FIG. 2 and FIG. 3 are state diagrams illustrating a use state of the lifting jig according to a preferred embodiment of the present invention.

Operation and use examples of the lifting jig will be described with reference to Figs. 2 and 3. Fig.

The lifting jig of the present invention is used for lifting and moving a piston member 300 of a marine engine having a center through which grooves 310 are formed on an inner peripheral surface thereof.

That is, when the angle between the first handle 122 and the second handle 144 is small, the first bending portion 142 and the second bending link portion 140 of the first gripping link 140 The protrusions 146 of the first gripping link 140 and the protrusions 159 of the second gripping link 150 are narrowed to one another because the second bending portions 152 of the first and second gripping links 150 and 150 are hinged to each other.

At this time, the user inserts the first gripping link 140 and the second gripping link 150 into the center of the piston member 300 passing through the first gripping link 140 and the second gripping link 150, The first handle 122 and the second handle 144 are pivoted about the coupling point where the other end of the first connection link 120 and one end of the first gripping link 140 are hinged The angle increases as the angle increases. Here, the angle at which the first handle 122 and the second handle 144 are opened is widened at an angle by the gap adjusting ring 160, and is not opened any more.

As the first handle 122 and the second handle 144 expand, the protrusion 146 of the first gripping link 140 and the protrusion 159 of the second gripping link 150 spread apart Is inserted into the groove (310) of the piston member (300) and stably grips the piston member (300).

When the hook 200 stuck in the hooking groove 112 is moved upward by operating the lift connected to the piston member 300 with the three protrusions stably held, the weight of the piston member 300 The first gripping link portion 140 and the second gripping link portion 150 are mutually opened in opposite directions to each other, thereby stably lifting the piston member 300.

When the user pushes the first handle 122 and the second handle 144 again when the piston member 300 is moved to the proper position, the protrusion 146 of the first gripping link 140 and the second handle 144 The protrusions 159 of the two gripping link portions 150 are narrowed to one another to be separated from the groove 310 of the gripped piston member 300.

As such, the user can easily connect the lifting jig to the lifting member, such as the piston member 300, by a simple operation of narrowing the first handle 122 and the second handle 144, and the lifting jig can be easily lifted It is possible not only to grasp the member but also to shorten the working speed for lifting the lifting member and reduce the work force, thereby improving the working efficiency.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

100: Lifting jig 110:
112: hook groove 120: first connecting link
122: first handle 130: second connecting link
140: first gripping link portion 142: first bending portion
144: second handle 146, 159: projection
150: second gripping link portion 152: second bending portion
154: a pair of grip links 156: engaging groove
158: connecting bar 160: spacing ring
162: Regulator 200: Hook
300: piston member 310: groove

Claims

In the lifting jig 100,
A hook portion 110 formed with hooking grooves 112 bent at both ends to face each other;
A first connecting link 120 having one end hinged to both ends of the hooking part 110 and having a first knob 122 at the other end;
A second connection link 130 having one end hinged to both ends of the hooking unit 110;
A first bent portion 142 is formed in the middle portion of the first connection link 120 and a second handle 144 is formed at one end of the first connection link 120 by being hinged to the other end of the first connection link 120, A first grasping link portion 140 formed by bending the projection 146; And
A second bending part 152 hinged to the first bending part is formed in the middle part of the first connection part 130 so that the coupling groove 156 is formed at a predetermined interval, A pair of gripping links 154 having one end hinged to the other end of the gripping link 154 and bent at one end toward the one end of the gripping link 154 and a pair of gripping links 154 spaced apart from each other, And a second gripping link (150) including a connecting bar (158) for connecting the lifting jig.

The method according to claim 1,
An adjustment hole 162 into which the first handle 122 and the second handle 144 are inserted is formed so that an interval adjusting ring that restricts a gap between the first handle 122 and the second handle 144 160). &Lt; / RTI >