KR20110000129A - Press type coil lifter - Google Patents

Press type coil lifter Download PDF

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Publication number
KR20110000129A
KR20110000129A KR1020090057507A KR20090057507A KR20110000129A KR 20110000129 A KR20110000129 A KR 20110000129A KR 1020090057507 A KR1020090057507 A KR 1020090057507A KR 20090057507 A KR20090057507 A KR 20090057507A KR 20110000129 A KR20110000129 A KR 20110000129A
Authority
KR
South Korea
Prior art keywords
coil
pressure
lifter
main body
arm member
Prior art date
Application number
KR1020090057507A
Other languages
Korean (ko)
Inventor
손일만
Original Assignee
현대제철 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 현대제철 주식회사 filed Critical 현대제철 주식회사
Priority to KR1020090057507A priority Critical patent/KR20110000129A/en
Publication of KR20110000129A publication Critical patent/KR20110000129A/en

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Classifications

    • 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
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
    • 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
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/48—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces to vertical edge portions of sheets, tubes, or like thin or thin-walled articles
    • B66C1/485—Coil lifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B66C13/066—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads for minimising vibration of a boom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/04—Tine grabs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

PURPOSE: A pressure-type coil lifter is provided to prevent the damage of a band member due to the initial shock when a coil moves since a pressure unit for pressing the body of the coil is installed. CONSTITUTION: A pressure-type coil lifter(1) comprises an arm member(13), a main body(5) and a pressure unit(20). The arm member is inserted into the inner part of the coil. The main body comprises a driving member(3) for moving the arm member. The pressure unit is installed on the main body and presses the main body of the coil. The pressure unit comprises a pressure body(22) and a pressure rod(24). The pressure body is fixed to the main body. The pressure rod is protruded to the coil from the pressure body.

Description

Pressurized Coil Lifter {PRESS TYPE COIL LIFTER}

The present invention relates to a coil lifter, and more particularly, to a pressurized coil lifter for reducing the initial impact generated during the movement of the coil produced in the 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 with a coil lifter.

Coils are usually stacked in the form of multiple stages and multiple rows, so it is common to use coil lifters that are carried by cranes rather than by trolleys.

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

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 wound coil, so that the coil is lifted up with the slack phenomenon, and the coil generated by the impact generated at this time The band member that binds the wire is broken and the coil is loosened. 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, the impact of the body of the coil is caused by the space provided between the laminated layer of the coil is generated The purpose of the present invention is to provide a pressurized coil lifter capable of reducing the damage and preventing breakage of the band member winding the coil.

The pressurized coil lifter according to the present invention includes: a body member inserted into an inner diameter portion of the coil, a main body portion provided with a driving member for moving the arm member, and a press portion installed on the main body portion to press the body of the coil.

In addition, the pressing unit preferably includes a pressing body fixed to the main body and a pressing rod protruding in the coil direction from the pressing body.

In addition, it is preferable that the pressurizing rod further includes a first pressure sensor provided at one side in contact with the coil to measure pressure.

In addition, the present invention preferably further comprises a control unit for controlling the operation of the pressing unit.

In addition, the arm member, preferably provided on one side in contact with the coil further comprises a second pressure sensor for measuring the pressure.

Pressurized coil lifter according to the present invention is provided with a pressurizing portion for pressing the body of the coil, before lifting the coil minimizes the space provided between the body of the coil, the band member is damaged due to the initial impact generated during coil movement Can improve productivity.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the pressure type coil lifter according to the present invention. For convenience of description, a pressurized 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 front view schematically showing a pressurized coil lifter according to an embodiment of the present invention, Figure 2 is a front view showing a state before the pressurized coil lifter according to an embodiment of the present invention to lift the coil; 3 is a front view illustrating an operating state in which the pressurized coil lifter shown in FIG. 2 lifts a coil, and FIG. 4 is a side cross-sectional view illustrating a pressurizing unit pressurizing a coil according to an embodiment of the present invention. 5 is a block diagram of a pressurized coil lifter according to an embodiment of the present invention.

1 to 5, the pressurized coil lifter 1 according to the embodiment of the present invention, the arm member 13 is inserted into the inner diameter portion 32 of the coil 30, the arm member It includes a main body portion 5 is provided with a drive member (3) for moving (13) and a pressing portion 20 is provided on the body portion 5 to press the body 34 of the coil (30).

The pressurized coil lifter 1 is provided with a main body 5 at the center, and a drive member 3 for providing rotational power is installed at the main body 5. The drive member 3 raises and lowers the main body 5 while rotating the gear rod 11 in which the thread is formed.

The main body 5 is hingedly connected with the link member 7 to the connecting member 9 installed in a state in which both sides are opened. As the main body 5 rises, the connecting member 9 connected to the link member 7 is opened to both sides, and as the main body 5 descends, the connecting member 9 is collected inward.

The arm member 13 is installed at the lower side of the connecting member 9, and the arm member 13 also interlocks with the movement of the connecting member 9 to be inserted into or separated from the inner diameter 32 of the coil 30. Do this.

The upper side of the arm member 13 is connected to the connecting member 9, the lower side of the arm member 13 is formed in a shape bent toward the inner diameter portion 32 of the coil (30).

The arm member 13 includes a second pressure sensor 52 provided on one side of the coil 30 to measure the pressure.

The second pressure sensor 52 measures the pressure transmitted to the arm member 13 due to the load of the coil 30 in a state where the arm member 13 is in contact with the side surface of the inner diameter portion 32 of the coil 30. do.

The coil 30 moved to the pressurized coil lifter 1 has a steel plate wound in multiple layers to form a body 34 while the inner diameter portion 32 is formed at the center thereof, and a band member is formed on the outside of the coil 30. 36 is wound to prevent loosening of the coil 30.

The pressurizing unit 20 presses the body 34 of the coil 30 to minimize the space provided between the stacked layers of the coil 30, and various types of hydraulic cylinders, dampers, electric drives and springs within the technical concept. Can be used.

The pressing unit 20 according to an embodiment includes a pressing body 22 fixed to the main body 5 and a pressing rod 24 protruding from the pressing body 22 in the direction of the coil 30. The pressing unit 20 may be operated in connection with the control unit 40, or may be modified in various ways such as pressing the body 34 of the coil 30 with a set pressing force.

The pressure rod 24 includes a first pressure sensor 50 provided at one side of the coil 30 to contact the coil 30. When the pressure rod 24 presses the body 34 of the coil 30, the first pressure sensor 50 senses the degree to which the body 34 of the coil 30 is pressed and transmits the pressure to the controller 40. do.

The first pressure sensor 50 measures the pressure generated by the pressure rod 24 to press the outer surface of the coil 30.

The control unit 40 is connected to the first pressure sensor 50 and the second pressure sensor 52 to receive a measurement value, and is connected to the driving member 3 and the pressing unit 20 to control the operation.

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

As shown in FIG. 1, the arm member 13 is positioned above the coil 30 in a state in which the arm member 13 is spread left and right.

And, as shown in Figure 2, when the drive member 3 is operated to rotate the gear rod 11, the main body portion 5 including the drive member 3 is moved to the lower side connected to the link member 7 The connecting member 9 is also moved in the main body part 5 direction.

Since the connecting member 9 moves in the center direction, the arm member 13 connected to the connecting member 9 is also inserted into the inner diameter portion 32 of the coil 30.

When the pressurized coil lifter 1 is moved upward, the second pressure sensor 52 provided in the arm member 13 contacts the inner diameter portion 32 side of the coil 30 to control the measurement signal. Send to.

As shown in FIG. 3 and FIG. 4, the control unit 40 drives the pressing unit 20 while the arm member 13 is in contact with the inner surface of the coil 30. The pressing rod 24 of the pressing unit 20 presses the outer body 34 of the coil 30 to reduce the space between the wound iron plate and the iron plate of the coil 30.

The first pressure sensor 50 installed at one end of the pressure rod 24 measures whether the pressure rod 24 pressurizes the body 34 of the coil 30 to a set pressure, and transmits the measured value to the controller 40. do.

The arm member 13 is inserted into the inner diameter portion 32 of the coil 30 to support the coil 30, and the upper side of the coil 30 is pressed by the pressing portion 20 to press the arm member 13. The space between the stacked iron plates between the parts 20 is reduced.

Accordingly, when the pressure type coil lifter 1 is moved upward, the coil 30 is caught by the arm member 13 and moved upward. And, since the space inside the coil 30 is reduced by the pressure of the pressing unit 20, the slack phenomenon when moving the coil 30 is reduced to reduce the breakage of the band member 36 wound around the coil 30 Can be.

According to the configuration as described above, the present invention occurs when the coil 30 is moved, because the pressing unit 20 reduces the space provided between the body 34 of the coil 30 before lifting the coil 30. By the initial impact is to prevent the band member 36 is broken can improve the 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 pressurized coil lifter for moving a large coil produced in the steel mill was described as an example, but this is merely illustrative, and the pressurized coil of the present invention may also be moved to a coil of various sizes produced in various processes in addition to the steel mill. Lifters can be used.

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

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

2 is a front view showing a state before the pressure-type coil lifter lifts the coil according to an embodiment of the present invention.

3 is a front view illustrating an operating state in which the pressurized coil lifter illustrated in FIG. 2 lifts a coil.

Figure 4 is a side cross-sectional view showing a state in which the pressing unit presses the coil in accordance with an embodiment of the present invention.

5 is a block diagram of a pressurized coil lifter according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: Pressurized Coil Lifter

3: drive member 5: main body

11: gear rod 13: arm member

20: pressurizing portion 22: pressurized body

24: pressurized rod 30: coil

32: inner diameter 34: body

36: band member 40: control unit

50: first pressure sensor 52: second pressure sensor

Claims (5)

An arm member inserted into an inner diameter portion of the coil; A main body having a driving member for moving the arm member; And Pressurized coil lifter is provided in the main body portion comprising a pressing unit for pressing the body of the coil. The method of claim 1, wherein the pressing unit, A pressurized body fixed to the main body; And Pressurized coil lifter, characterized in that it comprises a pressing rod protruding in the direction of the coil from the pressing body. The method of claim 2, The pressure rod is a pressure type coil lifter, characterized in that it further comprises a first pressure sensor which is provided on one side in contact with the coil to measure the pressure. 4. The method according to any one of claims 1 to 3, And a control unit for controlling the operation of the pressing unit. 4. The method according to any one of claims 1 to 3, The arm member is provided on one side in contact with the coil is a pressure-type coil lifter, characterized in that it further comprises a second pressure sensor for measuring the pressure.
KR1020090057507A 2009-06-26 2009-06-26 Press type coil lifter KR20110000129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090057507A KR20110000129A (en) 2009-06-26 2009-06-26 Press type coil lifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090057507A KR20110000129A (en) 2009-06-26 2009-06-26 Press type coil lifter

Publications (1)

Publication Number Publication Date
KR20110000129A true KR20110000129A (en) 2011-01-03

Family

ID=43609018

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090057507A KR20110000129A (en) 2009-06-26 2009-06-26 Press type coil lifter

Country Status (1)

Country Link
KR (1) KR20110000129A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101338545B1 (en) * 2012-02-17 2013-12-06 전의종 Apparatus for compressing coil spring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101338545B1 (en) * 2012-02-17 2013-12-06 전의종 Apparatus for compressing coil spring

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application