KR20110000128A

KR20110000128A - Coil lifter

Info

Publication number: KR20110000128A
Application number: KR1020090057506A
Authority: KR
Inventors: 손일만
Original assignee: 현대제철 주식회사
Priority date: 2009-06-26
Filing date: 2009-06-26
Publication date: 2011-01-03

Abstract

Disclosed is a lifter for a coil. The disclosed coil lifter is characterized in that it comprises a female member inserted into the inner diameter portion of the coil and a cushioning portion provided between the female member and the inner surface of the coil to act as a buffer. The present invention, by installing a shock-absorbing portion to reduce the impact on the arm member inserted into the inner diameter of the coil can prevent the band member from being damaged by the initial impact generated when the coil moves to improve productivity.

Coil, Lifter, Shock Absorber, Female Member, Pressing Member

Description

Coil Lifter {COIL LIFTER}

The present invention relates to a coil lifter, and more particularly, to a coil lifter having a shock absorber to mitigate an initial impact generated when a coil is produced in a steel mill.

In general, the hot rolled coil produced in the hot rolling process is formed into a strip having a predetermined thickness and width through a cold rolling process. The strip is wound and stored in the form of a coil, which is moved by a trolley or a crane equipped with a coil lifter.

Since the coils are stacked in the form of multiple stages and multiple rows, it is common to use a coil lifter which is transported by a crane rather than transported by a mobile truck.

The coil lifter includes a pair of arm members that are horizontally moved by the operation of the drive unit, and the arm members support the inner diameter of the coil to transfer the coils.

The above technical configuration is a background art for helping understanding of the present invention, and does not mean a conventional technology well known in the technical field to which the present invention belongs.

When the arm member of the coil lifter is inserted into the inner diameter of the coil and lifts the coil, there is a space between the stacked layers of the coiled coil, so that the coil is lifted with the slack phenomenon, The band member that binds the coil is broken, causing the coil to loosen. Therefore, there is a need for improvement.

The present invention has been created by the necessity as described above, when the arm member is inserted into the inner diameter of the coil to lift the coil, to reduce the impact caused by the fluctuation of the coil to prevent breakage of the band member winding the coil It is an object of the present invention to provide a lifter for a coil.

A coil lifter according to the present invention includes: a arm member inserted into an inner diameter portion of a coil and a shock absorbing portion installed between the arm member and an inner surface of the coil to act as a buffer.

In addition, the shock absorbing portion preferably includes a bonding member in contact with the inner surface of the coil and a pressing member for pressing and supporting the bonding member in the direction of the inner surface of the coil.

In addition, the upper surface of the bonding member is preferably formed in a round shape.

In addition, the pressing member is preferably provided with a plurality of spaced apart.

The coil lifter according to the present invention may install a shock absorbing part to reduce the impact on the arm member inserted into the inner diameter of the coil, thereby preventing damage to the band member due to the initial shock generated when moving the coil, thereby improving productivity.

Hereinafter, an embodiment of a coil lifter according to the present invention will be described with reference to the accompanying drawings. For convenience of description, a coil lifter used to move a coil produced in an ironworks will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view schematically illustrating a coil lifter according to an embodiment of the present invention, FIG. 2 is a front view illustrating a coil lifter lifting a coil according to an embodiment of the present invention, and FIG. 4 is a perspective view illustrating a buffer unit according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view of the buffer unit illustrated in FIG. 3.

As shown in FIGS. 1 to 4, the coil lifter 1 according to an embodiment of the present invention includes an arm member 10 and an arm member 10 inserted into an inner diameter portion 22 of the coil 20. ) And a buffer unit 30 installed between the inner surface 24 of the coil 20 to act as a buffer.

The coil lifter 1 is provided with a lift unit 3 in the center, and the lift unit 3 is provided with a drive unit 5 for providing rotational power. The driving part 5 raises and lowers the lifting part 3 while rotating the gear rod 7 in which the thread was formed.

The elevating portion 3 is connected to the linking member 9 installed in a state in which both sides are opened, and opens the connecting member 9 to both sides in accordance with the elevation of the elevating portion 3, and the lowering portion of the elevating portion 3 is lowered. Gather the connecting member 9 inward.

The arm member 10 is installed at the lower side of the connecting member 9, and the arm member 10 also interlocks with the movement of the connecting member 9 to be inserted into or separated from the inner diameter portion 22 of the coil 20. Do this.

The upper side of the arm member 10 is connected to the connecting member 9, the lower side of the arm member 10 is formed in a shape bent toward the inner diameter portion 22 of the coil 20.

The coil 20 is wound around the iron plate in a state in which the inner diameter portion 22 is formed in the center to form a coil 20 having multiple layers, and the band member 26 is wound on the outside of the coil 20 to form a coil. Prevent loosening of (20).

Shock absorbing portion 30 for reducing the initial impact generated when the arm member 10 is inserted into the inner diameter portion 22 of the coil 20 to lift the coil 20 is installed on the upper side of the arm member 10 do.

The shock absorbing portion 30 is a pressing member 36 for pressing and supporting the joining member 32 and the joining member 32 in contact with the inner surface 24 of the coil 20 toward the inner surface 24 of the coil 20. ).

The upper surface 34 of the bonding member 32 is formed in a round shape to increase the area in contact with the inner surface 24 of the coil 20 to facilitate load distribution.

The pressing member 36 supporting the bonding member 32 may be provided in plural and spaced apart, and a variety of modifications may be performed such that a single pressing member 36 may support the bonding member 32.

The pressing member 36 may be an elastic pressing device such as a shock absorber or a coil spring. In addition, various pressing devices may be used in the technical concept of buffering the shock transmitted to the bonding member 32.

An upper portion of the arm member 10 is provided with a mounting portion 12 for fixing the pressing member (36). The mounting portion 12 includes an installation groove 14 into which the body of the pressing member 36 is inserted. In addition, the shape of the mounting portion 12 may be deformed into various shapes in a technical concept for fixing the pressing member 36. Of course it can.

Since the pressing member 36 is inserted into the installation groove 14, the shaking of the pressing member 36 is prevented, thereby improving operational reliability of the shock absorbing unit 30.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating state of the coil lifter 1 according to an embodiment of the present invention.

After the coil lifter 1 is moved to the upper side of the coil 20, when the lifting unit 3 descends by the operation of the driving unit 5, the connecting member 9 is collected inward, and the connecting member 9 and The interlocking arm member 10 is inserted into the inner diameter portion 22 of the coil 20.

When the coil lifter 1 is moved upward by the crane, the upper surface 34 of the shock absorbing portion 30 is in contact with the inner surface 24 of the coil 20 to induce load distribution of the coil 20.

When the coil lifter 1 including the arm member 10 is moved upward, the joining member supported by the pressing member 36 while the load of the coil 20 is transmitted to the joining member 32 of the buffer part 30. 32 slowly moves downward. Therefore, the shock absorbing portion 30 absorbs the initial shock generated while rocking when lifting the coil 20.

Since the initial shock generated during the movement of the coil 20 is absorbed by the shock absorbing portion 30, the breakage of the band member 26 winding the coil 20 may be prevented to improve productivity.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand.

In addition, the coil lifter for moving the large coil produced in the steel mill has been described as an example, but this is merely illustrative, and the coil lifter of the present invention may be moved to a coil of various sizes produced in various processes in addition to the steel mill. Can be used.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

1 is a perspective view schematically showing a coil lifter according to an embodiment of the present invention.

Figure 2 is a front view showing the coil lifter for lifting the coil according to an embodiment of the present invention.

3 is a perspective view illustrating a buffer unit according to an embodiment of the present invention.

4 is an exploded perspective view of the buffer part shown in FIG. 3.

1: coil lifter 3: lift

5: drive unit 7: gear rod

9: connecting member 10: female member

12: mounting portion 14: mounting groove

20: coil 22: inner diameter

26: band member 30: buffer part

32: bonding member 34: upper side

36: pressure member

Claims

An arm member inserted into an inner diameter portion of the coil; And

A coil lifter, characterized in that it comprises a buffer that is provided between the arm member and the inner surface of the coil for a buffer action.

The method of claim 1, wherein the buffer portion,

A joining member in contact with an inner surface of the coil; And

And a urging member for urging and supporting the joining member in an inner surface direction of the coil.

The method of claim 2,

The upper side of the joining member is a coil lifter, characterized in that formed in a round shape.

The method of claim 2,

Lifter for the coil, characterized in that the pressing member is provided with a plurality is spaced apart.