KR100666440B1 - Guide rail connection device - Google Patents

Abstract

The present invention relates to a connecting device of the scaffolding system, and in detail, the guide rail connecting device having a configuration that is easy to connect and fix the guide rail for guiding the support panel seated on the upper part during the installation work of a certain equipment to the scaffolding pillar. It is about.

The configuration of the present invention for this purpose is fixed to the outer circumferential surface of the scaffold column 10 is fixed to the ground, the connection portion 20 is formed with a first through hole 24 penetrating in the plane; Fastening portions formed at both ends of the guide rails 30 connected to the scaffolding pillars 10, respectively, and having second through holes 32 formed in the center thereof and seated on an upper surface of the connecting portion 20; And a taper key 33 inserted into the first and second through holes 32 of the fastening part and the connection part 20 to fix the fastening part and the connection part 20.

Guide rails, couplings, footrests, hinges

Description

Connection apparatus for guide rails

1 is a perspective view showing a general scaffolding system,

2 is an enlarged perspective view showing part A of FIG. 1;

Figure 3 is a perspective view showing a connecting device of the guide rail according to the present invention,

Figure 4 is a perspective view showing a coupling relationship of the connecting device of the guide rail according to the present invention.

<Description of Symbols for Major Parts of Drawings>

10: scaffolding column 20: connection portion

21: base plate 22: vertical projection surface

23: Bonding surface 24: First through hole

30: guide rail 31: square ring

32: second through hole 33: taper key

The present invention relates to a connecting device of the scaffolding system, and in detail, the guide rail for guiding the support panel seated on the upper part during the installation work of a certain equipment to the scaffolding column is connected to the guide rail having an easy configuration Relates to a device.

In general, liquefied natural gas refers to a cryogenic liquid which is reduced by compressing its volume to 1/600 by cooling a natural gas mainly composed of methane to minus 162 degrees. As liquefied natural gas emerges as an energy resource, an efficient transportation method that can transport a large amount from the production base to the receiving site is considered to use this gas as energy, and the result is liquefaction for sea transportation of liquefied natural gas. It appeared as a natural gas (Liquefied Natural Gas) LNG carrier.

LNG carriers need to design and build tanks that can withstand ultra-low temperatures of minus 162 degrees and require the highest level of drying technology for the entire shipbuilding industry, and classify LNG carriers according to the most characteristic type of tank. It can be divided into independent type and membrane type.

The liquefied natural gas storage tank of such a liquefied natural gas carrier has a heat dissipation panel made of two layers of urethane foam attached to the inner wall and welded a membrane inside the heat dissipation panel. The adhesive is applied to each other to attach them.

The storage tank of the liquefied natural gas transport ship is formed of a very thin membrane, and the height thereof is considerable, so that the scaffolding system does not fall or come into contact with the storage tank during installation work of the storage tank and surrounding facilities. You should work by configuring it. This general scaffolding system is as shown in Figure 1 below.

1 is a perspective view showing a general scaffolding system.

Referring to Figure 1, the storage tank (1) stores the liquefied natural gas, the scaffolding pillars (2) are installed at each of the left and right sides at both ends, the support panel (5) is the working and moving space of the operator, The board bearer 4 supports the support panel, and the guide rail 3 guides the space when the worker moves or works and supports the worker.

In one side space in which the storage tank 1 is installed, the scaffolding pillars 2 are installed on the left and right sides of both ends, respectively, and the support bearings are connected to predetermined heights of the scaffolding pillars 2, respectively. And the support panel 5 is seated on the upper side of the board bearing 4, the support panel 5 is fixed to the board bearing (4). In addition, the guide rail (3) is fixed to the footrest column (2) on one side and the other side at a height that can guide or support the operator to the upper side of the support panel (5).

Here, the guide rail 3 is fastened and fixed to a hinge 2a (see FIG. 2) formed by welding on the outer circumferential surface of the scaffolding pillar 2, which is an enlarged portion A of FIG. 1. As shown in.

2 is an enlarged perspective view of a portion A of FIG. 1 showing a conventional guide rail connecting device.

2, the conventional guide rail (3) connecting device is welded to the outer circumferential surface of the scaffold pillar (2) is bent to cover the front and left and right sides except for the upper side and the lower side and the contact with the outer circumferential surface inside And a coupling portion 2a having a through portion 2b formed therein and fastening portions formed at both ends of the guide rail 3, respectively. Wherein the fastening portion is formed through the upper plate (3a) to form a plane on the upper side and the lower plate (3b) to form a plane on the lower side and the insertion hole (3c) through the plane of the upper plate (3a) and the lower plate (3b) ), And a taper key 3d (Taper Key) inserted through the insertion hole 3c of the upper plate 3a and the lower plate 3b is formed. Here, the upper plate 3a and the lower plate 3b are spaced apart from each other on one side and bent at the other side to be connected to each other to open the front of the fastening part so that a predetermined space is formed at the center.

In the above configuration, the fastening part is fastened so that the hinge 2a is positioned inwardly through an open space at the front, and the upper plate 3a is located on the upper side of the hinge 2a, the lower plate. 3b is in close contact with the lower side of the hinge 2a, and the insertion hole 3c of the upper plate 3a and the lower plate 3b coincides with the penetrating portion 2b of the hinge 2a. .

Then, the worker inserts the taper key 3d into the insertion hole 3c of the upper plate 3a to penetrate the through portion 2b of the hinge 2a to insert the hole of the lower plate 3b ( The guide rail 3 is fixed to the scaffolding pillar 2 by protruding through 3c).

However, in the conventional guide rail connecting device as described above, the separation distance between the upper plate and the lower plate is made longer than the height of the hinge so that the lower plate and the lower surface of the hinge are separated by a certain distance, so that the taper key is generated when vibration occurs. There is a problem in that a safety accident occurs when the guide rail is separated from the scaffolding column when an external force is applied to the guide rail due to the loosening or loosening of the fastening force.

The present invention devised to solve the conventional problems as described above is fastened by seating the end of the guide rail to the foothold pillar to be completely in contact without the separation distance between the foothold column and the guide rail, using the fixing means Since the guide rail is fixed to the scaffolding pillar, an object of the present invention is to provide a connection device for the guide rail which can be fixed even when vibration and external force are applied.

The configuration of the present invention for achieving the above object is connected to the outer peripheral surface of the scaffolding column fixed to the ground, the connection portion is formed with a first through hole penetrating in the plane; Fastening portions formed at both ends of guide rails connected to the scaffolding pillars, respectively, and having second through-holes formed in a central portion thereof and seated on an upper surface of the hinge; And a taper key inserted into the first and second through holes of the fastening part and the connection part to fix the fastening part and the connection part.

Here, the fastening part is formed with a rectangular connecting ring having a front and both side surfaces formed in a vertical cross-section so that the second through hole is formed inside.

In addition, the connecting portion is formed with the first through-hole on one side plane, the base plate on which the fastening portion is seated; A bonding surface that is bent at the other side of the base plate and adheres to the outer circumferential surface of the scaffolding pillar; Protruding from the upper surface of the base plate, and includes a vertical projection surface penetrating the fastening portion seated on the base plate to support the inner end surface and one side surface of the fastening portion in close contact.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the connecting device of the guide rail according to the present invention will be described in detail.

3 is a perspective view showing a connecting device of the guide rail according to the present invention.

Referring to FIG. 3, the connecting portion 20 is fixed to the scaffolding column 10 to support the guide rail 30, and the guide rail 30 is fastened to the scaffolding column 10 to move a worker and a work space. Guide. In addition, the connection part 20 includes a bonding surface 23, a base plate 21, a vertical protrusion surface 22, and a first through hole 24. Here, the base plate 21 supports the square ring 31 of the guide rail 30 seated on the upper surface, the bonding surface 23 is in close contact with the scaffolding column 10, the vertical protrusion surface 22 is The rectangular ring 31 is supported through, and the first through hole 24 is tapered key 33 is penetrated. In addition, the guide rail 30 has a fastening part which is fastened to the connection part 20 is formed at both ends, the fastening part has a rectangular ring in which the front and both sides form a vertical section and the second through hole 32 is formed in the center ( 31).

The base plate 21 may be manufactured in a quadrangular shape or other shape, and the joining surface 23 may be formed to be bent at one side of the upper surface to be in close contact with the outer circumferential surface of the scaffold pillar 10, and the upper surface of the base plate 21 may be formed. A vertical protrusion surface 22 is formed to protrude vertically at a position spaced apart from the joint surface 23 by a predetermined distance, and penetrates the base plate 21 at a position spaced apart from the vertical protrusion surface 22 by a predetermined distance. The first through hole 24 is formed.

In addition, the tapered key 33 is formed with a predetermined angle such that one side cross section forms a vertical cross section, and the other cross section narrows toward the lower side, and penetrates through the first and second through holes 24 and 32 to connect the connection portion 20. Secure the fasteners in the

Figure 4 is a perspective view showing a coupling relationship of the connecting device of the guide rail according to the present invention.

Referring to FIG. 4, the fastening part, ie, the second through hole 32 of the rectangular ring 31, is mounted on the base plate 21 to protrude through the vertical protruding surface 22. At this time, the inner end surface on the front surface of the rectangular ring 31 to be in close contact with one side surface of the vertical projection surface 22, the first through hole 24 and the rectangular ring 31 of the base plate 21 To match the second through hole 32.

As described above, the vertical cross section of the tapered key 33 is brought into close contact with the other cross section of the vertical protruding surface 22 and the inclined surface faces the guide rail 30 side, and then the first The first through hole 24 passes through the second through hole 32. Therefore, the taper key 33 is fixed at the time when the thickness of the taper key 33 is wider than the second through hole 32, so that the fastening portion is fixed to the connecting portion 20.

In addition, when releasing the square ring 31 in the connecting portion 20 proceeds in the reverse order in the connection step as described above. That is, when the taper key 33 is pushed upward from the lower side, the tapered key 33 is separated from the first and second through holes 24 and 32, so that the rectangular ring 31 is vertically projected. Moving to the upper side of the (22) to remove the square ring 31 from the base plate 21.

The present invention is not limited to the preferred embodiments of the above-described features, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

As described above, the connecting device of the guide rail according to the present invention seats the end of the guide rail on the scaffolding column so that the connection part and the fastening part fixed to the scaffolding column can be completely in contact with each other. Since it is fixed, the fixed state can be maintained even if vibration and external force are applied.

Claims (3)

delete delete A base plate 21 fixed to an outer circumferential surface of the scaffolding pillar 10 fixed to the ground and having the first through hole 24 formed on one side surface thereof; A connection part 20 which is bent at the other side of the base plate 21 and includes a bonding surface 23 which is in close contact with the outer circumferential surface of the scaffolding pillar 10; Fastening portions formed at both ends of the guide rails 30 connected to the scaffolding pillars 10, respectively, and having second through holes 32 formed in the center thereof and seated on an upper surface of the connecting portion 20; To the connecting device of the guide rail including a tapered key 33 is inserted through the first and second through holes 24, 32 of the fastening portion and the connecting portion 20 to fix the fastening portion and the connecting portion 20. In; The connecting portion 20 protrudes from an upper surface of the base plate 21, passes through the fastening portion seated on the base plate 21, and vertically protruding surface in which the inner end surface and one side end surface of the fastening portion are closely attached to each other. 22) a connecting device of the guide rail, characterized in that provided.

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