KR200478647Y1 - clamping device - Google Patents

clamping device

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Publication number
KR200478647Y1
KR200478647Y1 KR2020150002190U KR20150002190U KR200478647Y1 KR 200478647 Y1 KR200478647 Y1 KR 200478647Y1 KR 2020150002190 U KR2020150002190 U KR 2020150002190U KR 20150002190 U KR20150002190 U KR 20150002190U KR 200478647 Y1 KR200478647 Y1 KR 200478647Y1
Authority
KR
South Korea
Prior art keywords
link member
link
fixing
hinged
lower ends
Prior art date
Application number
KR2020150002190U
Other languages
Korean (ko)
Inventor
김일록
정희태
강현선
김가영
Original Assignee
김일록
정희태
강현선
김가영
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 김일록, 정희태, 강현선, 김가영 filed Critical 김일록
Priority to KR2020150002190U priority Critical patent/KR200478647Y1/en
Application granted granted Critical
Publication of KR200478647Y1 publication Critical patent/KR200478647Y1/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
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
    • 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
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The present invention relates to a new structure of clamping mechanism which is rigidly and stably coupled to a cylindrical object.
The clamping mechanism according to the present invention comprises a ring member 10 to which a hoist or a crane can be hooked, first and second link members 21 and 22 having an upper end hinged to the ring member 10, The upper ends of which are hinged to the lower ends of the first and second link members 21 and 22 and the lower ends of which have fixing portions 23a and 24a coupled to both sides of the cylindrical object 1 And a third link hinged to the lower ends of the first link member 21 and the third link hinge-coupled to the third link member 21, A fixing means 30 for fixing the fixing portions 23a and 24a at the lower ends of the fourth links 23 and 24 is provided so that the fixing portions 23a and 24a are brought into close contact with the circumferential surface of the object 1 The ring member 10 can be fixed to the object 1 and lift the object 1 when the ring member 10 is pulled upward.
Therefore, since the time required to lift the object 1 is very short, not only the working time can be reduced but also the object 1 can be firmly fixed and the object 1 can be prevented from falling down during transportation .

Description

Clamping device

The present invention relates to a new structure of clamping mechanism which is rigidly and stably coupled to a cylindrical object.

Generally, when a cylindrical object is to be transferred using a wire or a crane, a wire or a chain is placed on the object, and a crane or a hoist is connected to the wire or chain to carry the object while lifting the object.

However, when a wire or a chain is used in this way, it takes a long time to work, and the object can not be fixed firmly, and the object may fall during transportation.

Therefore, there is a need for a new method to solve such a problem.

Patent No. 10-1433911, Patent No. 10-0715802,

It is an object of the present invention to provide a clamping mechanism of a new structure which is firmly and stably coupled to a cylindrical object.

In order to accomplish the above object, the present invention provides a hoisting machine comprising: a loop member (10) capable of hoisting a hoist or a crane; First and second link members (21, 22) hinged to an upper end of the ring member (10); The upper ends are hinged to the lower ends of the first and second link members 21 and 22 and the lower ends of the fixing parts 23a and 24a are connected to both sides of the cylindrical object 1. [ Third and fourth link members 23, And an extension portion 23b extending from the upper end of the third link member 23 in the longitudinal direction of the third link member 23, (30) having a fixing bar (32) hinged to the distal end of the extension (23b) and hung on the hook (31) to limit the angle at which the extension (23b) pivots upward; Wherein the fixing means 30 includes an extension portion 23b of the third link member 23 and an engagement portion 31 of the engagement protrusion 31 when the distal end portion of the fixing bar 32 is hooked on the engagement protrusion 31, The angle of rotation of the third link member 23 when the ring member 10 is pulled upward is limited and the distance between the third link member 20 and the third link member 20 is limited, (23a, 24a) of the first link member (23) and the fourth link member (24) are kept open.

delete

According to another aspect of the present invention, an extension portion 23b is formed at an upper end of the third link member 23, a coupling hole 21b is formed in the first link member 21, (30) includes a slide block (33) slidably coupled to the first link member (21) in the longitudinal direction of the first link member (21), and both ends of the extension portion (23b) and the slide block A fixed key (not shown) provided on the slide block 33 and pressed by a spring 35a to be engaged with the engaging hole 21b to fix the slide block 33 35). ≪ / RTI >

The clamping mechanism according to the present invention comprises a ring member 10 to which a hoist or a crane can be hooked, first and second link members 21 and 22 having an upper end hinged to the ring member 10, The upper ends of which are hinged to the lower ends of the first and second link members 21 and 22 and the lower ends of which have fixing portions 23a and 24a coupled to both sides of the cylindrical object 1 And a third link hinged to the lower ends of the first link member 21 and the third link hinge-coupled to the third link member 21, A fixing means 30 for fixing the fixing portions 23a and 24a at the lower ends of the fourth links 23 and 24 is provided so that the fixing portions 23a and 24a are brought into close contact with the circumferential surface of the object 1 The ring member 10 can be fixed to the object 1 and lift the object 1 when the ring member 10 is pulled upward.

Therefore, since the time required to lift the object 1 is very short, not only the working time can be reduced but also the object 1 can be firmly fixed and the object 1 can be prevented from falling down during transportation .

1 is a front view showing a clamping mechanism according to the present invention;
2 is a side view showing a clamping mechanism according to the present invention,
3 to 6 are reference views for explaining the action of the clamping mechanism according to the present invention,
7 and 8 are front views showing a modified example of the clamping mechanism according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 6 show a clamping mechanism according to the present invention, wherein the clamping mechanism comprises a cylindrical object 1 extending in the front-rear direction using a hoist or a crane in a cylindrical object 1 extending in the front- Is used for transporting.

In detail, the clamping mechanism includes a loop member 10 to which a hoist or a crane can be hooked, first and second link members 21 and 22 having an upper end hinged to the loop member 10, Third and fourth link members (23, 24) hinged to each other and hinged to the lower ends of the first and second link members (21, 22), and a second link member And a proximal end portion of the third link member 23 is hinged to a distal end portion of the extension portion 23b extending in the longitudinal direction of the third link member 23 at an upper end portion of the third link member 23 And a fixing means (30) having a fixing bar (32) for limiting the angle at which the distal end portion is hooked on the stopping jaw (31) and the extension portion (23b) pivots upward.

The ring member 10 includes a support tube body 11 extending in the front and rear direction and a ring portion 12 provided on the upper surface of the support tube body 11, You can hang the crane.

At this time, the support tube 11 is provided with a first hinge shaft 13 extending in the front-rear direction.

The first and second link members 21 and 22 are formed in a long bar shape and the upper end is rotatably coupled to the first hinge shaft 13 so that the lower end can be rotated inward and outward.

The third link member 23 and the fourth link member 24 are formed in a long bar shape and are hinged to each other by a second hinge shaft 25 so that the intermediate portion is rotatable. Is hinged to the lower end of the first link member (21) by a third hinge shaft (26) and the fourth link member (24) is hinged by the fourth hinge shaft (27) And is hingedly connected to the lower end of the frame.

At the lower ends of the third link member 23 and the fourth link member 24, fixing portions 23a and 24a are formed to be coupled to both side surfaces of the cylindrical object 1.

The fixing portions 23a and 24a are welded to the lower end surface of the third link member 23 and the fourth link member 24 by welding the support panel 28 corresponding to the circumferential surface of the object 1 .

The support panel 28 is formed by bending the panel extending in the front-rear direction so as to form a shape corresponding to the circumferential surface of the object 1 when viewed from the front.

Therefore, when the ring member 10 is pulled upward, the first and second link members 21 and 22 pull the upper ends of the third and fourth link members 23 and 24 upward, The lower ends of the third and fourth link members 23 and 24 are mutually abutted so that the fixing portions 23a and 24a are pressed against the peripheral surface of the object 1. [

At this time, the third link member 23 is formed with an extended portion 23b.

The extension portion 23b is configured to extend in the longitudinal direction of the third link member 23 at the upper end of the third link member 23. [

The fixing means 30 includes a locking protrusion 31 formed on the side surface of the first link member 21 and a proximal end portion hinged to the distal end of the extending portion 23b and having a distal end hooked to the locking protrusion 31 And a fixing bar 32 for limiting the angle at which the extension portion 23b is rotated upward.

The latching jaw 31 is formed by welding a quadrangular block to an intermediate portion of the first link member 21.

The fixed bar 32 is hinged to the distal end of the extended portion 23b so that the fixed bar 32 is rotated in the vertical direction.

1, when the distal end portion of the fixing bar 32 is hooked on the hooking jaw 31, the extension portion 23b of the third link member 23 and the hooking jaw 31 are engaged with each other, The angle of rotation of the third link member 23 is limited when the ring member 10 is pulled upward, so that the angle of rotation of the third link member 23 is limited, The fixing portions 23a and 24a of the third link member 23 and the fourth link member 24 are kept open.

At this time, the first to fourth link members 21, 22, 23, 24 are constituted by a pair of front and rear pairs, and the first to fourth hinge shafts 13, 25, 26, And is fixed in position to be spaced apart.

The operation of the clamping mechanism thus constructed will be described as follows.

3, when a hoist or a crane is hooked up to the loop member 10 in the state where the tip end of the fixed bar 32 is in a state of being hooked on the hooking step 31, The fixing portions 23a and 24a of the link member 23 and the fourth link member 24 are kept open.

4, after the clamping mechanism is mounted on the upper surface of the object 1 by using the hoist or the crane, when the loop member 10 is lowered, the extension portion 23b The first to fourth link members 21, 22, 23, and 24 are rotated so that the distance between the end of the first link member 21 and the engaging jaw 31 is increased.

Therefore, as shown in Fig. 5, the worker rotates the fixing bar 32 downward to release the fixing of the fixing bar 32 and the engaging jaw 31. As shown in Fig.

6, when the hoist or crane is lifted up to the upper side of the loop member 10, the first and second link members 21, The upper ends of the link members 23 and 24 are pulled upward so that the fixing portions 23a and 24a at the lower ends of the third and fourth link members 23 and 24 are engaged with the periphery of the object 1 Respectively.

When the loop member 10 is further lifted upward using the hoist or the crane, the entire clamping mechanism and the object 1 are lifted upward, and the object 1 can be transported.

The clamping mechanism thus constructed comprises a ring member 10 to which a hoist or a crane can be hooked, first and second link members 21 and 22 having an upper end hinged to the ring member 10, The upper end of which is hinged to the lower ends of the first and second link members 21 and 22 and the lower ends of which are formed with fixing portions 23a and 24a which are coupled to both sides of the cylindrical object 1 Third and fourth link members 23 and 24 and a third link hinged to the lower ends of the first link member 21 and the first link member 21, 4 fixing portions 23a and 24a at the lower ends of the links 23 and 24 are opened so that the fixing portions 23a and 24a are brought into close contact with the circumferential surface of the object 1 The loop member 10 can be fixed to the object 1 and lift the object 1 when the loop member 10 is pulled upward.

Therefore, since the time required to lift the object 1 is very short, not only the working time can be reduced but also the object 1 can be firmly fixed and the object 1 can be prevented from falling down during transportation .

The third link member 23 is formed with an extension portion 23b and the fixing means 30 includes a locking protrusion 31 formed on a side surface of the first link member 21, And a fixing bar 32 hinged to the distal end of the extension 23b and hung on the hooking step 31 to limit the angle at which the extension 23b is rotated upward.

Therefore, there is an advantage that the fixing parts 30 can be used to easily fix the fixing parts 23a, 24a of the third and fourth link members 23, 24 to be opened.

7 and 8 illustrate another embodiment according to the present invention in which the fixing means 30 includes a first link member 21 and a second link member 21 which are slidably coupled in the longitudinal direction of the first link member 21, A connection bar 34 hinged to both the extension portion 23b and the slide block 33 at both ends and a slide bar 33 provided at the slide block 33 to fix the slide block 33 And a fixed key 35 to be used.

At this time, the first link member 21 is provided with a guide rail 21a to which the slide block 33 is coupled to extend in the longitudinal direction of the first link member 21.

In addition, a coupling hole 21b to which the fixed key 35 is coupled is formed on a circumferential surface of the intermediate portion of the first link member 21.

The fixed key 35 is configured in the form of a latch bolt that is slidably coupled to the slide block 33 and urged by the spring 35a to be engaged with the engagement hole 21b.

A handle 35b extending outwardly of the slide block 33 is provided on the fixed key 35 so that the operator holds the handle 35b and retracts the fixed key 35 outwardly, 35 and the coupling hole 21b can be released.

7, when the fixing portions 23a, 24a at the lower ends of the third and fourth link members 23, 24 are spread outwardly, the connection bar 34 pushes the slide block The fixing key 35 is engaged with the engaging hole 21b and the fixing portions 23a and 24a at the lower ends of the third and fourth link members 23 and 24 are engaged with the engaging hole 21b, To maintain the open state.

9, when the worker holds the handle 35b and retracts the fixing key 35 outward, the fixation of the fixing key 35 and the engaging hole 21b is released, The third and fourth link members 23 and 24 are rotated such that the portions 23a and 24a are close to each other.

When the fixing portions 23a and 24a are opened by using the slide block 33, the connecting bar 34 and the fixing key 35, the clamping mechanism thus configured automatically releases the fixing key 35 The fixing bar 32 is manually operated so that the fixing portions 23a and 24a are engaged with the holes 21b so that the fixing portions 23a and 24a are kept open so that the fixing portions 23a and 24a remain open. There is an advantage that it is convenient to use as compared with the first embodiment described above in which rotation is required.

10. Ring members 21 to 24, first to fourth link members
25 to 27, second to fourth hinge shafts 30. Fixing means

Claims (3)

A loop member (10) capable of hoisting a hoist or a crane;
First and second link members (21, 22) hinged to an upper end of the ring member (10);
(23a, 24a) hinged to the lower ends of the first and second link members (21, 22) and coupled to both sides of the cylindrical object (1) at the lower end thereof are hinge- Third and fourth link members (23, 24) formed;
And an extension portion 23b extending from the upper end of the third link member 23 in the longitudinal direction of the third link member 23, (30) having a fixing bar (32) hinged to the distal end of the extension (23b) and hung on the hook (31) to limit the angle at which the extension (23b) pivots upward;
/ RTI >
The fixing means (30)
The distance between the extending portion 23b of the third link member 23 and the engaging jaw 31 is set to be longer than the length of the fixing bar 32 The angle of rotation of the third link member 23 is limited when the ring member 10 is pulled upward so that the distance between the third link member 23 and the fourth link member 24 So that the fixing portions (23a, 24a) are kept open.
delete The method according to claim 1,
An extension portion 23b is formed at an upper end of the third link member 23,
A coupling hole 21b is formed in the first link member 21,
The fixing means (30)
A slide block 33 slidably coupled to the first link member 21 in the longitudinal direction of the first link member 21,
A connecting bar 34 having both ends hinged to the extension block 23b and the slide block 33,
And a fixing key (35) provided on the slide block (33) and pressed by a spring (35a) to be engaged with the coupling hole (21b) to fix the position of the slide block (33).
KR2020150002190U 2015-04-07 2015-04-07 clamping device KR200478647Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020150002190U KR200478647Y1 (en) 2015-04-07 2015-04-07 clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150002190U KR200478647Y1 (en) 2015-04-07 2015-04-07 clamping device

Publications (1)

Publication Number Publication Date
KR200478647Y1 true KR200478647Y1 (en) 2015-10-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR2020150002190U KR200478647Y1 (en) 2015-04-07 2015-04-07 clamping device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180137350A (en) * 2017-06-16 2018-12-27 기언관 The steel frame structure
WO2020013626A1 (en) * 2018-07-13 2020-01-16 주식회사 메가조인트 Object grasping device and swaging-type tube fitting fastening tool using same
KR20200007694A (en) * 2018-07-13 2020-01-22 주식회사 메가조인트 Apparatus for gripping object and tool for installing swage type pipe fittings to pipe using the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180137350A (en) * 2017-06-16 2018-12-27 기언관 The steel frame structure
KR101941885B1 (en) * 2017-06-16 2019-01-24 기언관 The steel frame structure
WO2020013626A1 (en) * 2018-07-13 2020-01-16 주식회사 메가조인트 Object grasping device and swaging-type tube fitting fastening tool using same
KR20200007694A (en) * 2018-07-13 2020-01-22 주식회사 메가조인트 Apparatus for gripping object and tool for installing swage type pipe fittings to pipe using the same
KR102291640B1 (en) * 2018-07-13 2021-08-19 주식회사 메가조인트 Apparatus for gripping object and tool for installing swage type pipe fittings to pipe using the same
US11806842B2 (en) 2018-07-13 2023-11-07 Megajoint. Co., Ltd. Object grasping device and swaging-type tube fitting fastening tool using the same

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