KR200483879Y1 - Safety Aapparatus for Workers of Arched Type Tunnel - Google Patents

Safety Aapparatus for Workers of Arched Type Tunnel Download PDF

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Publication number
KR200483879Y1
KR200483879Y1 KR2020150008507U KR20150008507U KR200483879Y1 KR 200483879 Y1 KR200483879 Y1 KR 200483879Y1 KR 2020150008507 U KR2020150008507 U KR 2020150008507U KR 20150008507 U KR20150008507 U KR 20150008507U KR 200483879 Y1 KR200483879 Y1 KR 200483879Y1
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KR
South Korea
Prior art keywords
hole
frame
arch
groove
safety net
Prior art date
Application number
KR2020150008507U
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Korean (ko)
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KR20170002406U (en
Inventor
하종수
김태일
Original Assignee
한국산업안전보건공단
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Priority to KR2020150008507U priority Critical patent/KR200483879Y1/en
Publication of KR20170002406U publication Critical patent/KR20170002406U/en
Application granted granted Critical
Publication of KR200483879Y1 publication Critical patent/KR200483879Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3266—Safety nets
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The present invention relates to a safety device for an operator of an arched tunnel, and an object of the present invention is to provide a safety device for an operator of an arched tunnel in which an operator is prevented from falling down and is easy to install and dismantle.
The present invention relates to a hori- zontal groove 11 opened horizontally and forward so as to insert a lower horizontal portion 120 of an arcuate HI beam 100 and a reinforcement member 140 of the arched HI beam 100, (10) formed in the horizontal groove (11) in a vertical direction and having vertical grooves (12) opened upward and forward; Fixing means (20) for fixing the body portion (10) to the arch type H Beam (100); (30) protruding upward from the body part (10); And a safety net (40) coupled to the support (30).

Description

Technical Field [0001] The present invention relates to a safety apparatus for an arched tunnel,

The present invention relates to a safety device for an operator of an arched tunnel, and more particularly, to an operator safety device for an arched tunnel, which prevents an operator from falling to the side of an arched tunnel during construction of the arched tunnel, .

Typically, arched tunnels are installed at the entrance of a tunnel to prevent collapse of the tunnel.

Such an arched tunnel is provided with an arch type H beam supporting an overall load, and concrete is placed thereon.

However, there is a problem that the worker easily slides on the curved surface when the work of assembling the formwork and the reinforcement for the concrete of the arched tunnel is performed.

In order to prevent such a slip accident, work is carried out with a lifeline attached.

However, the above-mentioned method has a problem that the lifeline is twisted to interfere with the operation, and there is a problem that an accident occurs when a worker hits a curved surface or a building material falls down to cause a safety accident.

Patent Registration No. 10-0788519

It is an object of the present invention to provide a safety device capable of preventing a fall of an operator by providing a support for installing a safety net in an arch type H-beam forming an arched tunnel.

Another object of the present invention is to provide a safety device for an operator of an arched tunnel in which the falling of building materials and the like can be prevented, and installation and demolition are easy.

In order to achieve the above object, the present invention provides an operator safety device for an arc-type tunnel, comprising: a horizontal groove opened to the left and right for inserting a lower horizontal portion of an arch type H Beam; A body portion formed in a vertical direction in the groove and having a vertical groove opened upward and forward; Fixing means for fixing the body portion to the arcuate H Beam; A main body portion protruding upward from the body portion; And a safety net coupled to the support.

A bolt hole is formed through the body portion in a direction perpendicular to the vertical groove. The fixing means includes a bolt member that is bolted to the bolt hole. The bolt member is bolted to the bolt hole, And the reinforcing member of the arch type H beam inserted into the vertical groove is pressed to one side to fix the body portion to the arch type H beam.

The apparatus may further include a frame coupled to the support portion and having the safety net installed therein.

The apparatus further includes height adjusting means for adjusting the height of the frame.

In addition, a plurality of first through holes are formed in the support portion at regular intervals in a vertical direction so as to penetrate in the lateral direction, the height adjustment means includes an insertion hole inserted in the support portion and slidable in the vertical direction, A sliding member having a second through hole corresponding to the first through hole to which the frame is coupled; A pin member having a head formed on one side and a thread formed on the other side; A nut screwed into the thread; Wherein the pin member is inserted through the first through hole and the second through hole at a selected height of the sliding member and the nut is inserted through the first through hole and the second through hole, And the sliding member is fixed to the support portion.

According to the present invention, by forming the horizontal grooves and the vertical grooves in the body portion, it is possible to prevent the body portion from falling downward by the horizontal grooves, and even if the body portion is provided on the curved surface in the longitudinal direction of the arch- It has the effect of preventing slipping sideways.

Further, since the fixing means is formed of a bolt member, the body portion is coupled to the arch-shaped H-beam, so that the body portion can be easily coupled and disassembled into the arch-shaped H-beam by fastening the bolt member.

Further, there is an effect that it is possible to prevent the safety net from being sagged by the frame and to hold the fallen object or the worker firmly.

Further, the height of the safety net installed on the frame can be adjusted according to the working environment by the height adjusting means, and the elevation of the safety net can be adjusted as the upper portion of the arch type H beam is increased by the installation of the formwork.

Further, since the height adjusting means is constituted by the sliding member, the pin member and the nut, the height of the frame can be easily and simply adjusted.

1 is a perspective view illustrating a structure of a safety device for an operator of an arched tunnel according to an embodiment of the present invention;
2 is an exploded perspective view of an operator safety device of an arched tunnel according to one embodiment of the present invention;
FIG. 3 is a process diagram illustrating an installation process of an operator safety device of an arched tunnel according to an embodiment of the present invention; FIG.
FIG. 4 is a side view showing a height adjustment in an operator safety device of an arched tunnel according to an embodiment of the present invention; FIG.
FIG. 5 is a perspective view of a safety device for an operator of an arched tunnel according to an embodiment of the present invention mounted on an arch tunnel. FIG.
FIG. 6 is a front view showing a worker safety device of an arched tunnel according to an embodiment of the present invention mounted on an arched tunnel. FIG.
7 is a perspective view showing the structure of a typical arched H-beam;

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

1 to 6, an operator safety device for an arched tunnel according to an exemplary embodiment of the present invention includes a body 10, a fixing device 20, a support 30, a safety net 40, A frame 50 and a height adjusting means 60. [

First, a typical arch type H Beam 100 used in an arched tunnel will be described.

The arch-type H Beam 100 serves to support the overall load of the arched tunnel while forming an arcuate shape.

7, the arch type H Beam 100 includes an upper horizontal portion 110, a lower horizontal portion 120, a vertical portion connecting the upper horizontal portion 110 and the lower horizontal portion 120, (130).

The upper horizontal portion 110, the lower horizontal portion 120, and the vertical portion 130 are formed in an arch shape in the longitudinal direction to support the overall load of the arched tunnel.

A separate reinforcing member 140 is disposed at a predetermined interval in the space defined by the left and right sides of the upper horizontal portion 110 and the lower horizontal portion 120 to further strengthen the arch type H Beam 100 do.

The body portion 10 is coupled to the arch-shaped H Beam 100, as shown in FIGS.

1 and 2, a horizontal groove 11 and a vertical groove 12 are formed in the body 10 to facilitate coupling to the H-beam.

1 and 2, the horizontal grooves 11 are formed to be open to the front and to the left and right.

In this horizontal groove 11, the lower horizontal portion 120 of the arch-type H Beam 100 is inserted, as shown in FIG. 3 and FIG.

1 and 2, the vertical grooves 12 are formed in the vertical direction in the horizontal grooves 11 and are formed to open upwardly and forwardly.

In the vertical groove 12, as shown in FIGS. 3 and 4, the reinforcing member 140 of the arch type H Beam 100 is inserted.

That is, the body portion 10 is mounted to the portion where the reinforcing member 140 is formed in the arch type H Beam 100 by the vertical groove 12.

The horizontal groove 11 and the vertical groove 12 are formed in the body 10 to prevent the body 10 from falling downward by the horizontal groove 11, The vertical groove 12 prevents the body 10 from slipping sideways even if it is installed on the curved surface of the arched HI beam 100 in the longitudinal direction.

A bolt hole 13 is formed in a side surface of the body part 10 in the direction of the vertical groove 12.

That is, the bolt holes 13 are formed to communicate with the vertical grooves 12 as shown in FIG. 3 (c).

A bolt member 21 described later is engaged with the bolt hole 13 to fix the body 10 to the arched tunnel.

The fixing means 20 serves to fix the body 10 coupled to the arch-type H Beam 100.

As shown in Figs. 1 to 3, the fixing means 20 includes a bolt member 21.

3 (c), the bolt member 21 is bolted to the bolt hole 13 and inserted into the vertical groove 12, so that the reinforcing member 140 of the arch-type H Beam 100 inserted into the vertical groove 12 And the body portion 10 is fixed to the arch-type H Beam 100. As shown in FIG.

The fixing means 20 is formed of the bolt member 21 and the body portion 10 is coupled to the arch type H Beam 100 so that the body portion 10 And can be easily combined and disassembled into the arch-type H Beam 100.

In the present embodiment, the fixing unit 20 is fixed to the arcuate H Beam 100 using the bolt member 21. However, in the present embodiment, the fixing unit 20 , The body portion 10 may be fixed to the arched H Beam 100. [

On the other hand, the support portion 30 is protruded upward from the body portion 10.

In the support portion 30, the safety net 40, the frame 50 and the height adjusting means 60, which will be described later, are mounted.

As shown in FIG. 2, a plurality of first through holes 31 are formed in the support portion 30 at regular intervals in the vertical direction so as to penetrate laterally.

The first through hole 31 is used to adjust the height of the safety net 40 and the frame 50 by coupling a sliding member 61 to be described later.

As shown in FIGS. 5 and 6, the safety net 40 is installed on the curved surface of the arched tunnel in the longitudinal direction.

The safety net 40 thus installed prevents the worker from falling on the curved surface of the arched tunnel and prevents the building materials from falling.

The safety net 40 is attached to the frame 50 to be described later.

The frame (50) is coupled to the support (30) so that the safety net (40) is installed.

That is, the frame 50 is formed in the longitudinal direction of the arched tunnel so that one end thereof is coupled to the support portion 30 to more firmly hold the safety net 40.

It is preferable that the frame 50 is formed at the upper and middle portions so as to more firmly support the safety net.

As shown in FIG. 5, the frame 50 may be provided in plurality or may be formed to catch only the upper portion of the safety net 40.

By configuring the frame 50 in this manner, it is possible to prevent the safety net 40 from sagging and to hold the fallen objects or workers more firmly.

Although the safety net 40 is installed by the frame 50 in the present embodiment, the safety net 40 may be installed directly on the support portion 30 without the frame 50. [

Further, the height adjusting means 60 adjusts the height of the frame 50, as shown in Fig.

The height of the safety net 40 installed on the frame 50 can be adjusted by the height adjusting means 60 and the height of the upper portion of the arch type H Beam 100 is increased The height of the safety net 40 can be adjusted.

The height adjusting means 60 includes a sliding member 61, a pin member 62, and a nut 63.

As shown in FIG. 2, the sliding member 61 is formed with an insertion hole 61a into which the support portion 30 is inserted in a vertical direction.

The frame 50 is engaged with the sliding member 61 and is slid in the up-and-down direction along the supporting portion 30. [

A second through hole 61b is formed in the side surface of the sliding member 61 to correspond to the first through hole 31.

As shown in Fig. 2, the pin member 62 has a head portion 62a at one side and a screw thread 62b at the other side.

The head portion 62a serves to prevent insertion of the pin member 62 when the pin member 62 is inserted through the first through hole 31 and the second through hole 61b.

The nut 63 is inserted through the first through hole 31 and the second through hole 61b and is screwed to the thread 62b protruded to the other side, .

4, the pin member 62 is inserted through the first through hole 31 and the second through hole 61b at a selected height of the sliding member 61, So that the member 61 is fixed to the support portion 30.

Since the height adjusting means 60 includes the sliding member 61, the pin member 62 and the nut 63 as described above, the height of the frame 50 can be easily and simply adjusted, Can be adjusted.

Hereinafter, an installation procedure of the worker safety device of the arched tunnel according to one embodiment of the present invention will be described.

3 (a), the body 10 is positioned at a portion where the reinforcing member 140 of the arch type H Beam 100 is formed.

At this time, the bolt member 21 is loosened to increase the width of the vertical groove 12 as much as possible.

3 (b), the lower horizontal portion 120 of the arch-type H Beam 100 is inserted into the horizontal groove 11, and the reinforcing member 140 is inserted into the vertical groove 12 do.

3 (c), the bolt member 21 is bolted to the bolt member 21 so as to press the side surface of the reinforcing member 140 to be in close contact with the side surface of the vertical groove 12 .

Then, as shown in Fig. 3 (d), the sliding member 61, to which the frame 50 is coupled, is fitted to the support portion 30, and is adjusted to a desired height as shown in Fig.

5 and 6, when the pin member 62 is inserted into the first through hole 31 and the second through hole 61b and is coupled to the thread 62b of the pin member 62 by the nut 63, As shown, the installation of the safety device is completed.

The preferred embodiments of the present invention have been described above by way of example, and the scope of the present invention is not limited to the above-described specific embodiments. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

10: body part 11: horizontal groove
12: vertical groove 13: bolt hole
20: fixing means 21: bolt member
30: support part 31: first through hole
40: safety net 50: frame
60: height adjusting means 61: sliding member
61a: insertion hole 61b: second through hole
62: pin member 62a:
62b: thread 100: arched H beam
110: upper horizontal part 120: lower horizontal part
130: vertical part 140: reinforcing member

Claims (5)

A horizontal groove 11 opened to the left and right so as to insert the lower horizontal portion 120 of the arch type H Beam 100 and a horizontal groove 11 opened to insert the reinforcing member 140 of the arch type H Beam 100 into the horizontal groove 11 A body portion 10 formed in a vertical direction and having upper and forward open vertical grooves 12;
Fixing means (20) for fixing the body portion (10) to the arch type H Beam (100);
(30) protruding upward from the body part (10);
And a safety net (40) coupled to the support (30)
A bolt hole 13 formed in the side surface of the body part 10 in the direction of the vertical groove 12,
The fixing means (20) comprises a bolt member (21) bolted to the bolt hole (13)
The bolt member 21 is bolted to the bolt hole 13 and presses the reinforcing member 140 of the arch type H Beam 100 inserted into the vertical groove 12 to one side, 10) to the arch-shaped H Beam (100)
The horizontal groove 11 of the body part 10 is fitted to the lower horizontal part 120 of the HR beam 100 and the vertical groove 12 of the body part 10 is inserted into the horizontal rib part 120 of the HR beam 100, (140)
And a frame (50) coupled to the support portion (30) to install the safety net (40)
The safety net 40 and the frame 50 are radially installed at regular intervals on the outer circumference of the arch type H Beam 100,
And height adjusting means (60) for adjusting the height of the frame (50)
A plurality of first through holes (31) are formed in the support portion (30) at regular intervals in the vertical direction so as to penetrate laterally,
The height adjusting means (60)
And a second through hole 61b is formed in the side surface of the frame 50 so as to correspond to the first through hole 31 so that the frame 50 A sliding member 61 to which the sliding member 61 is coupled;
A pin member 62 having a head 62a formed on one side and a thread 62b formed on the other side;
And a nut (63) screwed to the thread (62b)
The pin member 62 is inserted through the first through hole 31 and the second through hole 61b at a selected height of the sliding member 61,
The nut 63 is engaged with the thread 62b of the pin member 62 passing through the first through hole 31 and the second through hole 61b so as to connect the sliding member 61 to the support member 62. [ (30). ≪ / RTI >

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KR2020150008507U 2015-12-24 2015-12-24 Safety Aapparatus for Workers of Arched Type Tunnel KR200483879Y1 (en)

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KR2020150008507U KR200483879Y1 (en) 2015-12-24 2015-12-24 Safety Aapparatus for Workers of Arched Type Tunnel

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Application Number Priority Date Filing Date Title
KR2020150008507U KR200483879Y1 (en) 2015-12-24 2015-12-24 Safety Aapparatus for Workers of Arched Type Tunnel

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KR200483879Y1 true KR200483879Y1 (en) 2017-07-05

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101472962B1 (en) * 2014-04-30 2014-12-17 (주)시우하이텍 A height adjustable safety railing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4029457B2 (en) * 1998-01-30 2008-01-09 株式会社大林組 Falling rock protection device for tunnel work
KR100788519B1 (en) 2006-12-08 2007-12-24 임재주 Elastic safety rope
KR101547915B1 (en) * 2014-02-11 2015-08-27 (주)상록산업안전 Clamp for steel frame structure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101472962B1 (en) * 2014-04-30 2014-12-17 (주)시우하이텍 A height adjustable safety railing

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