KR20110110496A

KR20110110496A - Tower crane with protective means

Info

Publication number: KR20110110496A
Application number: KR1020100029846A
Authority: KR
Inventors: 홍경국
Original assignee: 홍경국
Priority date: 2010-04-01
Filing date: 2010-04-01
Publication date: 2011-10-07

Abstract

The present invention relates to a tower crane configured with a protective means, and more particularly, to constitute a protective plate to allow the entrance of only the person allowed to enter the access to any one side of the mast, the unspecified person by the protective plate The present invention relates to a tower crane having protection means for improving the convenience of maintaining and maintaining the tower crane to be freely accessible.
To this end, the tower crane configured with the protective means of the present invention includes a protective means for preventing an unspecified person other than the driver from arbitrarily entering the tower crane in a mast provided with a ladder therein.

Description

Tower crane with protective means {TOWER CRANE WITH PROTECTIVE MEANS}

The present invention relates to a tower crane configured with a protective means, and more particularly, to constitute a protective plate to allow the entrance of only the person allowed to enter the access to any one side of the mast, the unspecified person by the protective plate The present invention relates to a tower crane having protection means for improving the convenience of maintaining and maintaining the tower crane to be freely accessible.

In general, tower cranes are developed for port unloading or high-rise construction and installed in shipyard fleets and quay walls, and are often used in skyscrapers or apartment construction sites. In addition, the plant construction is widely used for bulk work and spool holding work.

The tower crane is divided into a jib type and a hammer head type according to the shape of the top portion.

Here, the jib (the one protruding in the shape of an arm) is installed by rotating the frame on the top of the tower and attaches the jib to work to lift or lower the cargo using a rotary motion or a trolley (trolley) linear motion.

On the other hand, the hammer head type is equipped with a swivel frame on the top of the tower and equips it with left and right booms, and is operated to move the load horizontally.

In addition, the criterion which shows the capacity of the tower crane is represented by a lifting load, and small size can be divided into less than 3 tons, medium size less than 5 ton, and large size more than 5 ton. In addition, the working range is most than 30m.

Such a tower crane does not require a prop and a support cable, compared to a derrick crane, and has an advantage of being able to rotate 360 degrees without obstacles to adjacent facilities. In addition, the work range is wide, and the work capacity is also used most because it has the advantage of twice as compared to other cranes.

As shown in FIG. 1, the tower crane according to the related art includes a plurality of masts 1 mounted vertically to the ground, a cantilever-shaped jib 2 rotatably mounted on an upper end of the mast 1, and A counter jib 3 fixed to the opposite side of the jib 2, a top tower mounted on the top of the mast 1 to support the jib 2 and the counter jib 3, and one end of the jib (2) A suspension for jib 5, which is fixed to the front side and the other end is fixed to the upper tower 4 side, supports the jib 2.

In addition, the hoist 7 for lifting the cargo vertically by the wire 6 wound on the winch (not shown), and the trolley 9 for moving the vertically lifted cargo to a predetermined position by the wire 8 and One end is fixed to the counter jib (3), the other end is fixed to the upper tower (4), the suspension for the counter jib (6) for supporting the counter jib (3), and is installed at the end of the counter jib (3) to lift the cargo Counterweight (CW) is provided to maintain a balance for the center of gravity movement of the jib (2).

In addition, the mast 1 is configured with a ladder that allows the driver to enter and exit the control room provided at the top.

However, the conventional tower crane mast does not have a protective device that can restrict the entry of the operator and the like into the control room, there is a problem that the unspecified person can freely enter the control room of the tower crane arbitrarily.

These problems had the risk that protesters could climb up to the tower crane to protest or fall off the tower crane and cause a safety accident.

As proposed in order to solve the above problems, an object of the present invention is to configure the protective means to be made to enter only the person allowed to enter on any one side of the mast, the unspecified person by the protective means tower crane It is to provide a tower crane configured with a protective means for improving the convenience of maintaining and maintaining the tower crane to freely enter and exit.

The protective means of the present invention for achieving the object of the present invention as described above, the tower crane is a protective means for preventing an unspecified person other than the driver enters into the tower crane arbitrarily in a mast configured with a ladder inside; It is done.

In the present invention, the protective means is provided on the inner side of the mast for controlling the entry or exit to the inside of the mast; And an outer circumferential panel provided on the outer circumference of the mast to which the protective plate is fixed, to prevent the protective plate from entering from the outside of the mast to the inner side. The protective plate includes a ladder configured inside the mast and a driver passing through the ladder. An entry space through which it can pass; And a door means configured to open and close the entry space and configured to open or close at one side of the top and bottom sides.

The present invention is a tower crane composed of a plurality of masts, which is installed on any one of the plurality of masts; Ladder fixed to the inside of the mast is provided on the inside of the mast and the plurality of panels are fastened to each other by the fastening means to control the entry or exit into the inside of the mast and the panel of any one of the plurality of panels The door is configured to enter and exit the entry and exit through the entry space and the door means configured to allow the retrieval when entering or exiting either side of the top and bottom through the panel is the outer peripheral surface of the mast A protective plate configured to protrude a certain length; And a plurality of outer panels and a plurality of outer panels each provided on the outer periphery of the mast to which the protection plate is fixed and seated on the top of the panels protruding a predetermined length on the outer circumferential surface of the mast and fastened by the fastening means. It is fixed by the; means for preventing the entry into the inner side from the outside of the mast; characterized in that it comprises a.

As described above, a protection means is configured to allow access to only one of those allowed to enter one side of the mast, and the convenience of maintaining and maintaining the tower crane so that an unspecified person can freely enter and exit the tower crane by the protection means. Has the effect of improving.

1 is a view showing a conventional tower crane.
Figure 2 is an enlarged perspective view of a part of the outer circumferential panel in the mast of the tower crane according to the present invention.
3 is a partially enlarged cross-sectional view of the mast according to the present invention.
4 is a plan view of a mast according to the invention.

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

Figure 2 is an enlarged perspective view of a part of the outer circumferential panel in the mast of the tower crane according to the present invention, Figure 3 is a partially enlarged cross-sectional view of the mast according to the present invention, Figure 4 is a plan view of the mast according to the present invention, See.

One of the plurality of masts 1 of the tower crane of the present invention is provided with a protective means (100).

The protection means 100 is a means for controlling the entrance of the non-specific persons other than the driver to the tower crane through the ladder configured in the plurality of mast (1).

The protective means 100 is a protective plate 110 is installed to control the entry and exit through the ladder installed inside the mast 1, and the outer periphery of the mast 1 is installed outside the mast (1) It is composed of a peripheral panel 120 for controlling the entry into the inside.

The protective plate 110 is opened and closed the entrance space 112 and the entrance space 112 is formed so that the outer periphery is fixed to the inside of the mast 1, the ladder and the driver passing through the ladder to enter one side. The door 114 is composed of.

In addition, the fixing of the protective plate 110 is preferably a fixing means that can not be easily disassembled from the outside, in this case is preferably formed integrally by welding, but is not limited to this bolt and nut It can also be fixed by a fastening means such as.

The entry space 112 is preferably formed to a size that the driver can enter through the ladder.

The door 114 is a means for opening and closing the entrance space 112.

One end of the door 114 is hinged to the entry space 112, the other end is configured to lock the door 114 when entering or exiting.

In addition, the locking means is preferably configured on both the top, bottom of the door 114.

That is, when formed at the top of the door 114, the driver enters the door 114 to enter the control tower of the tower crane for work to control the entrance of the unspecified person randomly during the operation, the door 114 when exiting By means of the test means located at the bottom of the), it is to prevent the unintentional random entry other than the driver afterwards.

On the other hand, the protection plate 110 is composed of a plurality of panels (116a, 116b, 116c, 116d) as shown, each of the panels 116a to 116d is fixed by a fastening means.

The plurality of panels 116a to 116d is intended to facilitate transportation for installation and disassembly.

In addition, an input space 112 and a door 114 are configured in any one panel 116a of the plurality of panels 116a to 116d.

Furthermore, the ends of the plurality of panels 116a to 116d, that is, configured to protrude a predetermined length from the outer circumferential surface of the mast 1, the outer peripheral panel 120 to be described later is configured to be fixed by the fastening means while seated on the protruding portion. This is preferred.

The outer circumferential panel 120 is a means for covering the outer circumference of the mast 1, which is impossible to enter by the protection plate 110 fixed to the inner side of the mast 1, so that the upper side through the outer side of the mast 1 This is to prevent entering into the mast (1).

In addition, the outer panel 120 is preferably used in place of the advertising panel, such as advertising text or safety text on the outer periphery.

In addition, each of the outer panel 120 is configured to be fastened by a fastening means.

Moreover, the outer circumferential panel 120 is preferably fixed by the fastening means while the lower end is supported by the panels 116a to 116d protruding on the outer circumference of the mast 1 as described above.

The tower crane is configured as the protective means configured as described above, the protective means 100 is configured on any one of the mast 1 of the plurality of masts 1, the protective means 100 is 2.5 to 5 (m) from the ground It is preferably located between.

It is preferable that the protection means 100 is installed at a height that cannot exceed the protection means 100 by jumping without using other objects such as a separate ladder under general average body condition.

Of course, the protection plate 110 and the outer peripheral panel 120 of the protection means 100 has the effect that the user can be arbitrarily or reused by disassembly and assembly by the fastening means.

Therefore, it is possible to prevent an unspecified person other than the driver from entering the tower crane arbitrarily, and to prevent the threat of the driver for malicious demonstration or construction interruption, thereby protecting the driver of the tower crane and driving the driver comfortably. It is to improve the working environment to make work possible.

What has been described above is just one embodiment for implementing the tower crane is configured with a protective means according to the present invention, the present invention is not limited to the above embodiment, the gist of the invention claimed in the claims below Without departing from the technical spirit of the present invention, to those skilled in the art to which the present invention pertains a variety of changes will be described.

1: mast 100: protective means
110: guard plate 112: entry space
114: doors 116a to 116d: panels
120: outer panel

Claims

In the tower crane composed of a plurality of masts (1),
Any one of the plurality of masts (1) has a protective means (100) to prevent the unintentional person other than the driver enters the tower crane arbitrarily;
Tower crane configured protection means comprising a.

The method of claim 1,
The protection means (100) is provided on the inside of the mast (1) for protecting the plate 110 to enter or exit the inside of the mast (1); And
An outer circumferential panel 120 provided at the outer circumference of the mast 1 to which the protective plate 110 is fixed;
Tower cranes comprising a protective means, characterized in that consisting of.

The method of claim 2,
The protective plate 110 includes a ladder configured inside the mast 1 and an entry space 112 through which the driver passes the ladder; And
A door 114 configured to open and close the entrance space 112 and configured to open or close at one side of the top and bottom sides;
Tower cranes comprising a protective means, characterized in that consisting of.

In the tower crane composed of a plurality of masts (1),
Installed on any one mast 1 of the plurality of masts 1;
A plurality of panels 116a, 116b, 116c and 116d are provided inside the mast 1 to control entry or exit into the mast 1 and are installed to be fastened to each other by a fastening means. In any one of the plurality of panels 116a, 116b, 116c, and 116d, an entry space 112 and an entry space 112 through which a user enters and exits through a ladder fixed to the inside of the mast 1. The door 114 is configured to open and close the door and configured to open or close on either side of the upper and lower sides, and the door means 114 is configured to lock the door 116a, 116b, 116c, and 116d. Protective plate 110 is configured to protrude a predetermined length on the outer peripheral surface of the mast; And
The protective plate 110 is provided on the outer circumference of the fixed mast 1 and is seated on the upper end of the panels 116a, 116b, 116c, and 116d protruding a predetermined length to the outer circumferential surface of the mast 1. Protective means 100 to prevent the plurality of outer panel 120 and the plurality of outer panel 120 which is fastened and fixed by the means is fixed by the fastening means to prevent entry into the outside from the outside of the mast 1 );
Tower crane configured protection means comprising a.