KR20130053486A - Up-down apparatus for chain hoist - Google Patents

Up-down apparatus for chain hoist Download PDF

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Publication number
KR20130053486A
KR20130053486A KR1020110118128A KR20110118128A KR20130053486A KR 20130053486 A KR20130053486 A KR 20130053486A KR 1020110118128 A KR1020110118128 A KR 1020110118128A KR 20110118128 A KR20110118128 A KR 20110118128A KR 20130053486 A KR20130053486 A KR 20130053486A
Authority
KR
South Korea
Prior art keywords
monorail
guide rail
chain
chain hoist
hoist
Prior art date
Application number
KR1020110118128A
Other languages
Korean (ko)
Inventor
이기훈
Original Assignee
현대중공업 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 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020110118128A priority Critical patent/KR20130053486A/en
Publication of KR20130053486A publication Critical patent/KR20130053486A/en

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    • 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
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/125—Chain-type slings
    • 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
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/14—Slings with hooks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/12—Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
    • B66C7/14—Runway interlocking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
    • B66C2700/011—Cable cranes

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

Abstract

PURPOSE: A chain hoist lifting device is provided to easily detaching a chain hoist which is closely located in a monorail by easily transferring the chain hoist to the monorail. CONSTITUTION: A chain hoist lifting device comprises a support bar(100), a guide rail(300), and a lifting unit(200). The support bar is installed from an end of a monorail towards the outside of the monorail. The guide rail is arranged to the lower part of the support bar and includes the lower part which is the same as the lower part of the monorail. The lifting unit is a chain block and matches the lower part of the monorail to the lower part of the guide rail by lifting the guide rail.

Description

Up-down apparatus for chain hoist}

The present invention relates to a chain hoist lifting device, and more particularly, to a chain hoist lifting device for guiding a chain hoist to a monorail so that the chain hoist can be easily attached to and detached from the monorail.

In general, a hoist is one of the mechanisms for lifting and lowering loads using wire ropes. A hoist, a gear reduction device, a winding device, etc. is used as a pair, and a hook is attached to the end of the hoisting rope to lift or lift a cargo. Refers to a series of devices that are operated so that they can be transported in the other direction in the raised state.

These types of hoists include electric hoists and air hoists, and the dual electric hoists are small spaces such as small conductors, pulsations with planetary gear accelerators, electromagnetic brakes that hold cargo, and load brakes that regulate the speed when unloading. It can be said to be a small hoist that can be concentrated on the jib, or it is used to move up and down the cargo by traveling the rail of the lower flange of the H-beam.

As described above, hoists, which are hoisting devices that simply assemble an electric motor, a speed reducer, a drum, a brake, and the like necessary for hoisting or traversing, have various types depending on the place of use and the structure of the machine.

For example, a monorail crane that can be curved with a hoist-type ceiling crane that is used for applications that do not emphasize high speed or operability because of its simplicity and economy, a wire rope hoist that is suspended from a monorail, and a chain hoist, Instead of the crab of the crab-type ceiling crane, there are electric hoists and the like. There are double rail cranes using two rails and single rail cranes using one rail.

1 is a schematic diagram of a conventional chain hoist, as shown in FIG. 1, a conventional chain hoist is transported along a monorail 10 provided as an H beam or an I beam provided on the top of a factory or other structure, or the like. Consisting of the transfer unit 20 and the hoist unit 30 to transfer the heavy material while moving along the transfer unit 20.

At this time, the chain hoist generally has a structure in which a heavy object is suspended on the hook 31 and the motor 21 installed in the transfer unit 20 rotates forward to lift the chain 32 to lift the heavy object.

At this time, the pulled up chain 32 is accommodated in the chain box 33 by the power of the motor 21.

On the contrary, when the heavy object is lowered, the heavy object is lowered by rotating the motor 21 in reverse and lowering the chain 32 of the chain box 33.

Meanwhile, the chain hoist performs the necessary work along the monorail 10, but after the work is completed, the chain hoist is separated from the monorail 10 and stored in a separate storage location.

In addition, the chain hoist is not installed solely to any one of the monorail 10, it is moved to the monorail 10 of the required work position is installed while performing other tasks.

To this end, the detachable attachment of the chain hoist to the monorail 10 can be made frequently, to detach the chain hoist to the monorail 10 as follows.

First, the hoist unit 30 is transferred to the end of the monorail 10 through the movement of the transfer unit 20.

Subsequently, after installing the chain block (not shown) on the pad eye (not shown) installed on the ceiling of the workplace, the chain hoist is lowered by hanging the chain hoist on the chain of the chain block, so that the chain hoist can be separated from the monorail 10. do.

In order to mount the chain hoist separated from the monorail 10 to another monorail 10, the chain hoist separated from the monorail is transported, and then, the chain hoist is lifted up to the end of the monorail and the chain hoist is lifted up to the monorail 10. The engagement of the chain hoist to the monorail 10 is completed by sliding through the end of the coupling.

However, the conventional configuration in which the above-mentioned chain hoist is attached and detached to the monorail has the following problems.

The chain hoist is composed of a motor and a chain, and the weight thereof is considerable. It was very difficult and difficult to separate the chain hoist from the monorail 10 or to carry the separated chain hoist to a separate place.

That is, it took a lot of time to attach and detach the chain hoist for the monorail 10, there was a very dangerous problem that can fall to the ground in the process of transporting the chain hoist.

The present invention has been made to solve the above problems, an object of the present invention is to provide a chain hoist elevating device for guiding the chain hoist to the monorail so that the chain hoist can be easily attached and detached to the monorail.

The present invention, in order to achieve the above object, a support provided toward the outside of the monorail from the end of the monorail; disposed below the support, a guide rail having a lower end of the same shape as the lower end of the monorail; It provides a chain hoist elevating device comprising: a lifting means for matching the lower end of the guide rail and the lower end of the monorail.

In this case, the support includes a vertical stand installed upward from the upper end of the monorail, an extension extending from the vertical stand toward the outside of the vertical stand, and a pad eye installed under the extension and connected to the lifting means. It is preferable.

In addition, the lifting means is preferably a chain block.

In addition, it is preferable that the guide rail seating platform to be supported on which the guide rail is placed below the support is installed.

At this time, it is preferable that the rolling member is further installed on the guide rail seating table.

Chain hoist lifting device according to the present invention has the following effects.

First, a support and a chain block are provided for easily accessing the chain hoist to the monorail, and by using the support and the chain block, a guide rail having a lower portion of the same shape as the lower end of the monorail is approached to the monorail, thereby accessing the monorail. Chain hoist can be easily transferred to the monorail.

Accordingly, since the detachable operation of the chain hoist with respect to the monorail can be facilitated, there is an effect that can increase the work productivity by reducing the man-hour for the detachable operation.

Second, the guide rail seat is provided to guide the guide rail is mounted to the lower side of the support, there is an effect that can safely receive the chain hoist separated from the monorail and preparatory work for pulling up the chain hoist.

Third, by installing the rolling member on the guide rail seating table, it is possible to facilitate the transport operation for the guide rail coupled to the chain hoist.

Accordingly, the convenience of the chain hoist conveying operation is increased, there is an effect that can prevent the safety accident by preventing the chain hoist from falling.

1 is a perspective view schematically showing a state in which a chain hoist is installed on a monorail according to the prior art
Figure 2 is a side view showing a chain hoist lifting apparatus according to a preferred embodiment of the present invention
Figure 3a is a perspective view showing the main portion before the guide rail is lifted by the chain hoist lifting apparatus according to a preferred embodiment of the present invention
Figure 3b is a perspective view of the main portion showing a state in which the guide rail is raised by the chain hoist lifting apparatus according to a preferred embodiment of the present invention.

It is to be understood that the words or words used in the present specification and claims are not to be construed in a conventional or dictionary sense and that the inventor can properly define the concept of a term in order to describe its invention in the best possible way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Hereinafter, a chain hoist elevating apparatus according to a preferred embodiment of the present invention will be described with reference to FIGS.

The chain hoist elevating device has a technical feature to facilitate the detachable operation of the chain hoist on the monorail while elevating the chain hoist.

The chain hoist lifting device includes a support 100, a lifting means 200, a guide rail 300, and a guide rail seating unit 400.

The support 100 serves to support a wire for elevating the guide rail 300 to which the chain hoist is coupled in the process of elevating the chain hoist by the elevating means 200.

The support 100 is preferably installed at an upper end of the monorail 10, and includes a vertical stand 110, an extension 120, and a pad eye 130.

The vertical stand 110 is installed upward from the upper end of the monorail 10, and is preferably coupled to the upper end of the monorail 10 by bolting.

In addition, the extension 120 is installed toward the outside of the monorail 10 from the vertical stand 110, and is installed horizontally with respect to the ground.

At this time, the extension 120 may be formed integrally with the vertical stand 110, it may be provided separately from the vertical stand 110, it may be coupled to the vertical stand 110 and installed.

In addition, the pad eye 130 is a portion to which the wire of the lifting means 200 provided to lift the guide rail 300 is supported, and is preferably installed below the extension 120.

Next, the lifting means 200 serves to elevate the guide rail 300, it is provided on one side of the support (100).

The lifting means 200 may be configured as long as it can lift the guide rail 300, may be provided by an electric motor using a drive motor, or may be provided manually by a chain block.

At this time, the lifting means 200 is preferably a manual type, such as convenient to move and install work, preferably provided as a chain block.

The chain block 200 is a device for lifting an object by combining several gears and the like, and winding the chain around the gear, and is used to lift and lower a heavy object with a small force.

Since the chain block is a well-known technology equipment, detailed description thereof will be omitted.

Next, the guide rail 300 serves to guide the chain hoist to be easily coupled to the monorail 10, and is provided to be elevated by the chain block 200.

That is, the guide rail 300, the hoist in the coupled state with the chain hoist in close proximity to the monorail 10 so that the chain hoist is easily coupled to the monorail 10 or the chain hoist can be safely separated from the monorail. To do.

The chain hoist should be conveyed to the monorail 10 without interruption along the guide rail 300, and the shape of the guide rail 300 should correspond to the shape of the monorail 10.

In this case, since the cross-sectional shape of the monorail 10 is provided as '工', it is preferable that the cross-sectional shape of the guide rail 300 is also provided as '工', but the cross-sectional shape of the guide rail 300 is necessarily in the '工' shape. It does not need to be provided.

Because, the upper part of the guide rail 300 is a configuration that is suspended on the chain 210 of the chain block 200, when the cross-sectional shape of the guide rail 300 made of '工' chain 210 of the chain block 200 ) And the upper portion of the guide rail 300 interfere with each other.

Therefore, the lower end of the guide rail 300 is formed in the same manner as the lower end of the monorail 10, the upper end of the guide rail 300 is preferably formed so as not to interfere with the chain 210 of the chain block 200. .

That is, the cross-sectional shape of the guide rail 300 is preferably made of 'ㅗ' shape as shown in Figure 3a and 3b.

On the other hand, the guide rail 300 is formed with a chain hole 310 for hanging on the chain 210 of the chain block 200, the chain hole 310 is formed on each side of the guide rail 300 Preferably provided in pairs.

Next, the guide rail seating table 400 facilitates preparation work for elevating the guide rail 300 coupled with the chain hoist, and serves to facilitate the transport and movement of the guide rail 300. do.

The guide rail seating unit 400 is provided below the support 100, and is provided to allow the guide rail 300 to be seated at a predetermined height from the ground.

Due to the provision of the guide rail seating unit 400, the chain hoist separated from the monorail 10 can be safely and conveniently lowered, and in the process of coupling the chain hoist to the monorail 10, the initial position of the chain hoist Since is provided in a state where a certain height is secured, the operation can proceed quickly and conveniently.

On the other hand, the transport for the guide rail seating unit 400 may be made by separate equipment such as a forklift, for example, by installing a rolling member 410 at the lower end of the guide rail seating unit 400 so that the worker can be moved manually. You may.

At this time, when the cloud member 410 is installed, it is natural that the restraining member (not shown) that restrains the cloud member 410 should be installed together.

Hereinafter, the coupling and action of the chain hoist lifting device having the above-described configuration will be described.

As shown in FIG. 2, the support 100 is installed at the end of the monorail 10, and the extension 120 of the support 100 is installed toward the outside of the monorail 10.

Next, the chain 210 of the chain block 200 is coupled to the pad eye 130 of the support 100.

As such, when the chain of the chain block 200 is coupled to the support 100, the guide rail seating unit 400 is moved to the monorail 10 to which the chain hoist is to be installed.

At this time, the guide rail seating unit 400 is a state in which the guide rail 300 coupled to the chain hoist is seated.

Subsequently, in a state where the guide rail seating unit 400 is close to the monorail 10, the cloud of the cloud member 410 is restrained.

Thereafter, the guide rail 300 is raised using the chain block 200 to match the lower end of the monorail 10 and the lower end of the guide rail 300 as shown in FIG. 3B.

Next, by transferring the chain hoist to the monorail 10, the coupling of the chain hoist to the monorail 10 is completed.

Meanwhile, after the lifting operation of the chain hoist on the monorail 10 is completed, the chain hoist is transferred to the end of the monorail 10 in order to separate the chain hoist from the monorail 10.

Thereafter, the chain hoist is transferred to the guide rail 300 while the guide rail 300 is aligned with the end of the monorail 10 using the chain block 200.

Thereafter, the guide rail 300 is lowered using the chain block 200 to seat the guide rail 300 on the guide rail seating plate 400.

Thereafter, the operation of separating the chain hoist from the monorail 10 is completed by separating the chain 210 of the chain block 200 from the guide rail 300.

Thereafter, the guide rail seating unit 400 is moved to another work place so that the chain hoist is installed on the other monorail 10 through the above-described series of procedures, or is stored after being moved to a separate storage place.

Even after the guide rail seating unit 400 is moved to the storage place, the chain hoist is not separated from the guide rail 300, but is stored in a state coupled to the guide rail 300, so that the chain hoist may be later mounted on another monorail. Prep work and transportation work is easy to install, which improves workability.

As described so far, the chain hoist lifting apparatus according to the present invention has a technical feature of facilitating attachment and detachment of the chain hoist to the monorail by coupling the chain hoist to the guide rail lifted by the chain block.

Accordingly, the man-hour for the detachable work of the chain hoist on the monorail can be reduced, and the work convenience can be increased.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

100: support 110: vertical
120: Extension 130: Pad Eye
200: lifting means 210: chain
300: guide rail 310: chain ball
400: guide rail seating table 410: rolling member

Claims (5)

A support installed toward the outside of the monorail from an end of the monorail;
A guide rail disposed below the support and having a lower end having the same shape as a lower end of the monorail;
And elevating means for elevating the guide rail so that the lower end of the guide rail coincides with the lower end of the monorail. The method of claim 1,
[0028]
A chain hoist comprising a vertical stand installed upward from the upper end of the monorail, an extension extending from the vertical stand toward the outside of the monorail, and a pad eye provided at the bottom of the extension to be connected to the lifting means. Lifting device. 3. The method according to claim 1 or 2,
The lifting means is a chain hoist elevating device, characterized in that the chain block. 3. The method according to claim 1 or 2,
Under the support is a chain hoist elevating device, characterized in that the guide rail seating guide is installed is placed. 5. The method of claim 4,
The hoist chain lifting device, characterized in that the rolling member is further installed on the guide rail seat.





KR1020110118128A 2011-11-14 2011-11-14 Up-down apparatus for chain hoist KR20130053486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110118128A KR20130053486A (en) 2011-11-14 2011-11-14 Up-down apparatus for chain hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110118128A KR20130053486A (en) 2011-11-14 2011-11-14 Up-down apparatus for chain hoist

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KR20130053486A true KR20130053486A (en) 2013-05-24

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103241659A (en) * 2013-05-28 2013-08-14 中铁五局（集团）有限公司 Movable simple gantry crane
KR101429551B1 (en) * 2012-08-01 2014-08-12 대우조선해양 주식회사 Installation module of trolley hoist for vessel or marine structure and the operating method of it
CN108263973A (en) * 2018-03-27 2018-07-10 中铁十局集团第二工程有限公司 A kind of stent hoisting mechanism and Lift-on/Lift-off System
KR101894743B1 (en) 2017-08-11 2018-09-05 (주) 대 홍 Structure of crane that is easy to mount and dismount hoist
EP3283416A4 (en) * 2015-04-13 2019-01-02 Brunkeberg Systems AB Lift for lifting facade elements and associated locking member
KR20210074572A (en) * 2019-12-12 2021-06-22 한전케이피에스 주식회사 Lifting equipment for short soot blower

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101429551B1 (en) * 2012-08-01 2014-08-12 대우조선해양 주식회사 Installation module of trolley hoist for vessel or marine structure and the operating method of it
CN103241659A (en) * 2013-05-28 2013-08-14 中铁五局（集团）有限公司 Movable simple gantry crane
EP3283416A4 (en) * 2015-04-13 2019-01-02 Brunkeberg Systems AB Lift for lifting facade elements and associated locking member
KR101894743B1 (en) 2017-08-11 2018-09-05 (주) 대 홍 Structure of crane that is easy to mount and dismount hoist
CN108263973A (en) * 2018-03-27 2018-07-10 中铁十局集团第二工程有限公司 A kind of stent hoisting mechanism and Lift-on/Lift-off System
CN108263973B (en) * 2018-03-27 2023-09-05 中铁十一局集团第二工程有限公司 Support hoisting mechanism and hoisting system
KR20210074572A (en) * 2019-12-12 2021-06-22 한전케이피에스 주식회사 Lifting equipment for short soot blower

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