KR100923208B1 - An salvager ladder using a handrail of a veranda - Google Patents

Abstract

PURPOSE: A salvager ladder using a handrail of a veranda is provided to turn the handrail into ladder in a fire so that residents escape to downstairs safe from a fire. CONSTITUTION: A salvager ladder using a handrail of a veranda comprises a support plate(7), a first support bar(3), a second support bar(5), a fixing unit, and a connection unit. The support plate is built in the longitudinal direction of the first and second support bars, acts as a handrail it the normal times and turned into an escape ladder in a fire. The first and second support bars are installed in the height direction of a building. The fixing unit fixes the support plate to the exterior side of the first and the second support bar. The connection unit supports the support plate to be turned into the escape ladder.

Description

AN SALVAGER LADDER USING A HANDRAIL OF A VERANDA}

The present invention relates to a rescue ladder using a veranda railing, and more particularly, it is usually mounted on a veranda or the like and used as a safety railing to prevent falling, and when a fire occurs, the structure may be changed into an escape ladder that may be connected to the lower floor. It is about salvage ladder using porch railing.

In general, modern buildings are increasing in order to expand the living space inside buildings and use narrow sites more effectively. Such high-rise buildings are usually equipped with main entrance doors for human access. On the opposite side of the main entrance door, a veranda is installed, and the veranda is provided with a fall guard rail.

Such high-rise buildings have the advantage of being able to accommodate a large number of people in a narrow site, overlooking the surrounding landscape in a tall building, and having the convenience of having various amenities inside a building.

However, the above-mentioned high-rise buildings have a disadvantage in that a high frequency of fires occur due to the inhabitation of several people inside a building soared on a narrow site, and there is a problem that a large-scale human accident can be caused when a fire occurs once. .

Of course, if the main entrance door and the emergency exit is open when the first fire occurs, it is possible to try to escape through the main entrance door and the emergency exit.

However, when the emergency exit and the main entrance doors are blocked by flames, the occupants trapped in the high-rise building have a problem of waiting for death or jumping over the safety railing to prevent falling as a result of being trapped in the high-rise building.

On the other hand, there is a method to avoid the body from the fire by using a waning device installed on the veranda in order to solve this problem, there was a problem such as difficult to operate because the gangling device is difficult to operate, and one rope Due to the burden of carrying the weight of the user there was a problem that can not shake the fear of fire and anxiety due to the use of the stiffness.

Therefore, the present invention solves the problems as described above, and reduces the psychological burden caused by the use of the stiffener, and using the balcony railing to avoid the body from the fire generated upstairs from the fire generated inside the upstairs building. It's about a rescue ladder.

The rescue ladder using the balcony railing according to the present invention for achieving the above object is a first support and a second support installed side by side in the height direction of the building between the veranda, the first occurrence of the fire usually The support plate, which is erected in the longitudinal direction of the support and the second support, is used as a porch railing, and can be changed into an escape ladder that can connect the upper and lower floors in the event of a fire, and the support plate is used as the first support and the second support. It is provided with a fixing means that can be fixed to the circumferential surface of the first support and the second support in the longitudinal direction of the.

In addition, on one side of the outer wall of the building disposed on the bottom of the veranda and the support plate facing the outer wall of the building, the top of the support plate is inclined in the outward direction of the building, and then one side of the support plate is lowered. It is equipped with a connecting means for turning the support plate used as the porch railing to the salvage leg so that it can be pivoted.

In addition, when the supporting plate is pivoted by the connecting means by connecting two or more edges provided on the supporting plate to the first supporting member and the second supporting member, the first supporting member and the second supporting member are applied to the connecting means. Self-weight distribution means capable of distributing the self-weight of the losing support plate to the first and second supports is provided.

The rescue ladder using the veranda railing according to the present invention having such a structure can be transformed into an escape ladder that can be connected to an upper floor and a lower floor when a fire occurs while being used as a safety railing to prevent fall from being mounted on a veranda.

Therefore, the occupant trapped inside the upstairs building due to the fire can change the fall prevention guardrail to an escape ladder, and then escape to the lower floor where the fire does not occur.

The rescue ladder using the veranda railing according to the present invention having such a structure is normally mounted on the veranda and used as a fall-proof safety railing that extends straight in the longitudinal direction of the building, and when a fire occurs, the upper porch and the lower porch can be connected. The rescue ladder can be restructured.

Therefore, the rescue ladder using the veranda railing according to the present invention allows the occupant isolated inside the upstairs building to escape from the lower porch through the upstairs porch due to the fire.

In addition, the rescue ladder using the veranda railing according to the present invention can be changed from the safety railing for fall prevention to a ladder for escape, so not only do not harm the aesthetics of the building in general, but also do not need to purchase or install a stiffener for disaster escape. There is an advantage.

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

1 is an exemplary view in which the present invention is usually used as a porch railing, and FIG. 2 is an exploded perspective view in which the fixing means that is fixing the support plate to the first support base or the second support object is exploded, and FIG. 3 is the present invention porch. This is an example of the operation changed from the railing to the rescue ladder.

In addition, Figure 4 is a state diagram in which the upper end of the support plate equipped in the present invention is inclined in front of the first support and the second support by the connecting means interposed between the support plate and the outer wall of the building, Figure 5 is the present invention It is a perspective view of the connection means equipped in Figure 6 is an exploded perspective view of the connection means provided in the present invention.

In addition, Figure 7 is a perspective view of the first support and the second support for explaining a state in which the locking mechanism provided in the present invention and the support line connected to the locking mechanism coupled to the first support and the second support, Figure 8 is the present invention Is an exploded perspective view of the support line length adjusting means provided in the.

As shown in these drawings, the rescue ladder using the porch (1) railing according to the present invention includes a first support (3) and a second support (5) installed side by side in the height direction of the building with the veranda (1) interposed therebetween. ), The escape ladder that can be connected to the upper and lower floors in the event of a fire when used as a balustrade (1) railings, standing in the longitudinal direction of the first support (3) and the second support (5) in the absence of fire. The first support 3 and the second support in a state in which the support plate (7), and the support plate (7) can be changed in the longitudinal direction of the first support (3) and the second support (5) Fixing means 9 which can be fixed to the peripheral surface of (5) is provided.

In addition, one side of the outer wall of the building mounted on the bottom of the veranda (1) and the support plate 7 facing the outer wall of the building is inclined to the top of the support plate (7) in the outward direction of the building In addition, the connecting means 11 is mounted so that one side of the supporting plate 7 can be pivoted to the lower floor so that the supporting plate 7 used as the porch 1 can be changed into a rescue ladder.

In addition, the support plate is connected to the first support 3 and the second support 5 by connecting two or more edges provided on the support plate 7 to the first support 3 and the second support 5. When 7 is pivoted by the connecting means 11, the self-weight of the supporting plate 7 applied to the connecting means 11 is distributed to the first support 3 and the second support 5. The self-weight dispersing means 13 which can be provided is provided.

As shown in FIG. 2, the fixing means 9 has the support plate 7 when the support plate 7 is erected in the longitudinal direction of the first support 3 and the second support 5. A first fixing portion 17 capable of fixing an upper edge of the first support 3 or an upper portion of the second support 5, and a lower edge of the support plate 7 to the first support 3. Or it consists of a second fixing portion 19 that can be fixed to the lower portion of the second support (5).

As shown in FIG. 2 and FIG. 3, the first fixing part 17 extends from the supporting plate 7 in the direction of the first supporting part 3 or the second supporting part 5, and the first fixing hole ( A fixing piece 25 having 23a and a peripheral surface of the first support 3 and the second support 5 are formed so that the support plate 7 is formed of the first support 3 and the second support ( When it is erected in the longitudinal direction of 5), the second fixing hole 23b and the first fixing hole 23a and the second fixing hole 23b which are in contact with the first fixing hole 23a may be formed. It can be fitted to secure the support plate 7 erected in the longitudinal direction of the first support 3 and the second support 5 on the circumferential surface of the first support 3 and the second support 5. It can be made of fittings 21a.

In addition, in the head portion of the fitting nail 21a fitted into the first fixing hole 23a and the second fixing hole 23b, the fitting nail 21a is usually provided in the first fixing hole 23a and the second fixing hole. The safety cap (27a) is covered so as not to leave the (23b), the safety cap (27a) is preferably not to be removed by the usual children, quickly removed in the event of a fire, then the nail (21a) ) Should be able to extract.

Therefore, for the above reason, the safety cap 27a is preferably made of glass or fraud material so that it can be easily broken and then removed when impacted with a hard material.

As shown in FIG. 2 and FIG. 3, the second fixing part 19 includes a third fixing hole 23c penetrating the lower edge of the supporting plate 7, the first supporting member 3 and the first fixing member 23. 2 is formed on the circumferential surface of the support 5 to face the third fixing hole 23c when the support plate 7 is erected in the longitudinal direction of the first support 3 and the second support 5. The second fixing hole 23d and the third fixing hole 23c and the fourth fixing hole 23d, which are straight in the longitudinal direction of the first support 3 and the second support 5, respectively. It consists of a fitting nail 21b which can fix the plate 7 on the circumferential surfaces of the first support 3 and the second support 5.

In addition, in the head portion of the fitting nail 21b provided in the second fixing portion 19, the fitting nail 21b is normally made of the third fixing hole 23c and the third fixing hole similarly to the first fixing portion 17. 4 The safety cap 27b is covered so as not to escape the fixing hole 23d.

As shown in FIG. 3, the first support 3 and the second support 5 are hollow inside and the first support 3 and the second support 5 on one side facing the outside of the building. And a guide hole 15 cut in the longitudinal direction.

In addition, as shown in FIG. 3, the supporting plate 7 is pivoted by the connecting means 11 to support the occupants' hands and feet when its use is changed to a rescue ladder. It is preferable that the grid is made so that it can be.

As shown in FIGS. 4 to 6, the connecting means 11 includes a front and rear rotation joint part 29 capable of tilting an upper end of the support plate 7 in an outward direction of the building, and the front and rear rotation joint part 29. It consists of a left and right rotating joint part 31 capable of pivoting the support plate 7 inclined in the outward direction of the building in a clockwise or counterclockwise direction.

As shown in FIG. 5, the front and rear rotary joints 29 have a fixed bracket 33 extending straight outward from the building outer wall disposed at the bottom of the veranda 1 and the tip of the fixed bracket 33. The insertion bracket 35, which can be inserted therebetween, passes through the rotation bracket 37 extending side by side in the direction facing the fixing bracket 33, and passes through the rotation bracket 37 and the fixing bracket 33. The rotating bracket 37 is made of a hinge shaft 39 to be pivoted in the fixed state to the fixed bracket (33).

In addition, when the rotary bracket 37 is pivotally fixed to the fixed bracket 33 on one side of the fixed bracket 33 disposed below the rotary bracket 37, the rotary bracket 37 A stopper 41 extending outward of the fixing bracket 33 is installed to limit the rotation angle of the fixing bracket 33.

As shown in FIG. 6, the left and right rotation joints 31 have a cylindrical shape extending from the rotation bracket 37 in the direction of the support plate 7 in the circumferential direction on one side facing the support plate 7. The driven connector 45 having a concave circumferential groove 43 and a cylindrical shape extending from the support plate 7 in the direction of the driven connector 45 on the one side facing the driven connector 45. It consists of an active connector 49 having a braking jaw 47 that can slide in the length range of the circumferential groove 43 in a state of being fitted into the circumferential groove 43, and a cylindrical shape having a hollow inside and an open rear end. The driven connector 45 and the active connector 49 may be inserted and provided at one end thereof with a rounded jaw 51 protruding inwardly of the cylinder from an edge of the cylinder to face the rotary bracket 37. One side of the connector 45 may be worn on the round jaw 51, and an inner circumferential surface of the active connector 49 that is opposite to the outer circumferential surface of the active connector 49 is coupled to an outer circumferential surface of the active connector 49 to be connected to the active connector 49. It can rotate together, so as not to leave the driven connector 45 in the state that the active connector 49 is coupled to the driven connector 45, the active connector 49 is connected to the driven connector 45 It consists of a housing 53 to be rotated left and right in a coupled state.

On the other hand, the installation position of the connecting means 11 is preferably biased in one direction from the center of the support plate 7, which is connected to the connecting means 11 when the fixing means 9 is removed. The center of gravity of the support plate 7 is biased in one direction so that the support plate 7 can be rotated clockwise or counterclockwise about the connecting means 11.

Referring to FIGS. 4 to 6, a process of operating the front and rear rotary joints 29 and the left and right rotary joints 31 having the above structure will be described below.

First, when the fixing nails 21a and 21b holding the support plate 7 are removed, the rotation bracket 37 is the weight of the support plate 7 connected to the rotation bracket 37 and the fixing bracket 33. While being pivoted by the hinge shaft (39) connected to the bottom and is moved downward, it is stopped by the stopper (41) protruding from the fixing bracket (33) so that the upper end of the support plate (7) can be inclined at an angle. Make sure

On the other hand, the support plate 7 in which the top is inclined at an angle may be rotated in the clockwise or counterclockwise direction by the left and right rotating joints 31. The operation process will be described with reference to FIG. .

First, the support plate 7 may be rotated in a clockwise or counterclockwise direction about the connecting means 11 by the center of gravity biased in one direction while the upper end is inclined at a predetermined angle.

At this time, the braking jaw 47 connected to the support plate 7 rotates along the circumferential groove 43 by the length of the circumferential groove 43, and stops when it faces the end of the circumferential groove 43. This can limit the range of rotation in which the support plate 7 can be rotated.

In addition, the housing 53 coupled with the active connector 49 is rotated together with the active connector 49 to be coupled with the active connector 49 by using the recess 51 provided in the housing 53. The driven connector 45 is fixed so as not to leave the active connector 49.

On the other hand, the self-weight distribution means 13 is inserted into the first support 3 or the second support 5, as shown in Figure 7 in a state that can not escape out of the guide hole 15 Hanging opening 55 which can move in the longitudinal direction of the first support 3 and the second support 5, and the upper edge of the locking opening 55 and the support plate 7 through the guide hole 15 It is connected to the made of a support line 57 which can move within the length range of the guide hole 15 along the support plate 7 together with the locking hole (55).

In addition, as shown in FIG. 8, inside the locking hole 55, the support line 57 is released to the outside of the locking hole 55 in accordance with the presence or absence of tension applied to the supporting line 57. The support line length adjusting means 59 which can be rolled into the inside of the 55 is provided, and the first embodiment of the support line length adjusting means 59 will be described with reference to FIG.

As shown in FIG. 8, the support line length adjusting means 59 penetrates the disks 61a and 61b and the disks 61a and 61b arranged side by side with a predetermined gap therebetween, and the length of the circumferential surface. Spring coupling groove 63 in the direction, and one end of the support line 57 can be coupled to the circumferential surface disposed between the disc (61a, 61b), with fitting holes (65a, 65b) at both ends Rotating bundle 69 made of one rotating rod 67 and the rotating rod 67 is rolled about an axis in a state where one end is fixed to the spring coupling groove 63, so that the rotating rod 67 is in one direction. The rotary rods extend to face each other on the inner side of the power accumulation springs 71a and 71b and the hollow locking holes 55 capable of accumulating power in the opposite direction in which the rotary rod 67 is rotated each time it is rotated. Fitting shafts 73a and 73b, which can be fitted into fitting holes 65a and 65b provided in (67). And a.

In addition, the support line length adjusting means 59 may penetrate the outer circumferential surface of the catch 55 to pull out the support line 57 inserted into the inside of the catch 55 in an outward direction of the catch 55. Braking piece 77a, which is mounted to face the support line passage hole 75 and the inner surface of the locking hole 55 so that the locking ring 72 provided on the power accumulation springs 71a and 71b can be fixed thereto. 77b).

The operation of the support line length adjusting means 59 having such a structure will be described with reference to FIG. 8 as follows.

First, when the support line 57 connected to the support plate 7 is pulled by the support plate 7 which is moved in the front-rear and up-down directions, the catching holes 55 are guide holes in the state spanning the guide hole 15. Moving in the longitudinal direction of 15, the support line 57 is extended in length along the support plate (7), and rotates the rotating bundle 69 inserted into the locking hole 55 in one direction.

At this time, the rotating bundle 69 is rotated in one direction to shrink the power accumulation spring (71a, 71b) connected to the rotary bar 67, the contracted power accumulation spring (71a, 71b) is a locking ring 72 The power is accumulated in the opposite direction in which the current rotating bundle 69 is rotated in the stopped state over the braking pieces 77a and 77b.

On the other hand, when the support plate 7 is close to the latching hole 55 and the tension applied to the support line 57 disappears, the contracted power accumulation springs 71a and 71b oppose the rotating bundle 69. Direction by rolling the support line 57 extended between the discs 61a and 61b to the inside of the locking hole 55 so that the supporting line 57 between the supporting plate 7 and the locking hole 55 is always open. Keep it at its shortest length.

The process of changing the structure of the salvage bridge using the veranda railing according to the present invention having the above structure from the veranda (1) to the salvage ladder will be described with reference to FIGS. 1 to 8.

First, the occupant trapped inside the upper floor building due to a fire removes the safety caps 27a and 27b provided in the first fixing part 17 and the second fixing part 19, and then removes the fixing nails 21a and 21b. So that the support plate 7 can be detached from the first support 3 and the second support 5.

On the other hand, the support plate (7) freely moved from the first support (3) and the second support (5) is inclined at an angle toward the outside of the building by the front and rear rotation joint portion 29 and at the same time the left and right rotation joint portion The structure 31 is rotated clockwise or counterclockwise about the connecting means 11 to the rescue ladder.

At this time, the reason why the support plate 7 is inclined by a predetermined angle by the front and rear rotation joint part 29 is that when the support plate 7 is changed into a rescue ladder that can connect the upper floor and the lower floor, By providing space for people to enter between rescue ladders, residents living upstairs can quickly move downstairs.

On the other hand, the support plate 7 changed into a rescue ladder by the connecting means 11 is a support plate acting on the connecting means 11 by a support line 57 for holding the upper edge of the supporting plate 7. Self-weight of (7) can be distributed to the first support 3 and the second support (5), the operation process will be described with reference to Figure 3 as follows.

First, when one side or the other top edge of the support plate 7 is raised or lowered by the connecting means 11, the support line 57 connected to the one or the other top edge of the support plate 7 is the support line ( 57 and pulls up and down the latch 55 connected to the first support 3 or the second support 5 above or below, and the latch 55 is connected to the first support 3 over the guide hole 15. ) And the support line 57 is fixed on the circumferential surface of the first support 3 or the second support 5 in a state where it does not escape from the second support 5).

Accordingly, the support line 57 may support the weight of the support plate 7 in a state in which the support line 57 is fixed to the first support 3 and the second support 5 by the locking holes 55.

At this time, the support line length adjusting means 59 provided on the inside of the locking hole 55 when the tension is applied to the support line 57 by the rotating support plate (7), the length of the support line 57 It can be extended.

In addition, the support line length adjusting means 59 is changed from the support plate 7 to the safety railing in the rescue ladder, so that the distance between the support plate 7 and the first support 3 or the second support 5 is increased. When it is narrowed, the extended support line 57 is rolled to the inside of the locking hole 55 so that the support line 57 is exposed to the outside in a normal manner without a risk of fire so as not to harm the aesthetics of the building.

The rescue ladder using the veranda (1) railing according to the present invention having such a structure is normally mounted on the veranda (1) and used as a veranda (1) railing as an escape ladder that can connect the upper floor and the lower floor when a fire occurs. The structure can be changed.

Therefore, the occupant trapped inside the upstairs building due to the fire can change the fall prevention guardrail to an escape ladder and then escape to the lower floor where the fire does not occur.

1 is an exemplary view of the present invention usually used as a porch railing,

2 is an exploded perspective view illustrating an exploded view of the fixing means which has fixed the support plate to the first support stand or the second support object;

Figure 3 is an exemplary view of the structure changed operation of the rescue ladder in the balcony railing of the present invention,

4 is a state in which the upper end of the support plate provided in the present invention is inclined in front of the first support and the second support by the connecting means interposed between the support plate and the building outer wall,

5 is a perspective view of a connecting means provided in the present invention;

Figure 6 is an exploded perspective view of the connecting means provided in the present invention,

7 is a perspective view of a first support and a second support for explaining a state in which the locking mechanism provided in the present invention and the support line connected to the locking mechanism are coupled to the first support and the second support;

Figure 8 is an exploded perspective view of the support line length adjusting means provided in the present invention

* Description of Major Symbols in Drawings *

1-porch 3-1st support

5-second support 7-support plate

9-fastening means 11-connecting means

13-means for dispersing weight 15-guide holes

17-first fixing part 19-second fixing part

21a-fitting 23a-1st fixing hole

23c-3rd fixing hole 25-fixing piece

27a-safety cap 29-front and rear rotation joint

31-left and right rotating joints 33-fixing bracket

35-fitting groove 37-Swivel bracket

39-hinge shaft 41-stopper

43-circumferential groove 45-driven connection

47-protruding jaw 49-active connector

51-Sill 53-Housing

55-Engagement 57-Support Line

59-length of support line adjustment 61a-disc

61b-disc 63-spring coupling groove

65-fitting hole 67-revolving rod

69-Bundle 71-Power Accumulation Spring

73-insertion shaft 75-support line through hole

77-Braking

Claims (6)

delete A first support 3 and a second support 5 installed side by side in the height direction of the building with the veranda 1 interposed therebetween; When the fire does not occur, the first support (3) and the second support (5) in the longitudinal direction of the stand is used as a porch (1) handrail when the fire is changed to an escape ladder that can connect the upper floor and the lower floor. A support plate 7 which can be made; Fixed to be fixed to the circumferential surface of the first support 3 and the second support (5) in the state in which the support plate (7) in the longitudinal direction of the first support (3) and the second support (5) Means 9; It is mounted on one side of the outer wall of the building mounted on the bottom of the veranda (1) and the support plate (7) facing the outer wall of the building to incline the top of the support plate (7) toward the outside of the building A connecting means (11) capable of turning one side of the support plate (7) to be pivoted downstairs so that the support plate (7) used as the porch (1) handrail can be converted into a rescue ladder; Two or more edges mounted on the first support 3 and the second support 5 and provided on the support plate 7 connect the first support 3 and the second support 5 to the support plate. When 7 is pivoted by the connecting means 11, the self-weight of the supporting plate 7 applied to the connecting means 11 is distributed to the first support 3 and the second support 5. Self-dispersion means (13), The first support (3) and the second support (5) is hollow inside and guided in the longitudinal direction of the first support (3) and the second support (5) on one side facing the outside of the building With a hole 15, The self-weight distributing means 13 is inserted into the first support 3 or the second support 5 and cannot escape out of the guide hole 15. A catch 55 that can move in the longitudinal direction of the support 5, The length range of the guide hole 15 along the supporting plate 7 together with the locking hole 55 is connected to the upper edge of the locking hole 55 and the support plate 7 through the guide hole 15. Rescue ladder using a veranda railing, characterized in that consisting of a support line 57 that can move within. The method of claim 2, Inside the locking hole 55, the support line 57 can be released in the outward direction of the locking hole 55 or rolled into the locking hole 55 depending on the presence or absence of tension applied to the supporting line 57. Rescue ladder using a balcony railing, characterized in that the support line length adjusting means (59) is provided. A first support 3 and a second support 5 installed side by side in the height direction of the building with the veranda 1 interposed therebetween; When the fire does not occur, the first support (3) and the second support (5) in the longitudinal direction of the stand is used as a porch (1) handrail when the fire is changed to an escape ladder that can connect the upper floor and the lower floor. A support plate 7 which can be made; Fixed to be fixed to the circumferential surface of the first support 3 and the second support (5) in the state in which the support plate (7) in the longitudinal direction of the first support (3) and the second support (5) Means 9; It is mounted on one side of the outer wall of the building mounted on the bottom of the veranda (1) and the support plate (7) facing the outer wall of the building to incline the top of the support plate (7) toward the outside of the building A connecting means (11) capable of turning one side of the support plate (7) to be pivoted downstairs so that the support plate (7) used as the porch (1) handrail can be converted into a rescue ladder; Two or more edges mounted on the first support 3 and the second support 5 and provided on the support plate 7 connect the first support 3 and the second support 5 to the support plate. When 7 is pivoted by the connecting means 11, the self-weight of the supporting plate 7 applied to the connecting means 11 is distributed to the first support 3 and the second support 5. Self-dispersion means (13), The connecting means 11 has a front and rear rotary joint 29 which can tilt the upper end of the support plate 7 in the direction of the building, Porch (1), characterized in that consisting of the left and right rotary joints 31 which can pivot the support plate 7 inclined in the outward direction of the building by the front and rear rotary joints 29 in a clockwise or counterclockwise direction. Rescue ladder using railings. A first support 3 and a second support 5 installed side by side in the height direction of the building with the veranda 1 interposed therebetween; When the fire does not occur, the first support (3) and the second support (5) in the longitudinal direction of the stand is used as a porch (1) handrail when the fire is changed to an escape ladder that can connect the upper floor and the lower floor. A support plate 7 which can be made; Fixed to be fixed to the circumferential surface of the first support 3 and the second support (5) in the state in which the support plate (7) in the longitudinal direction of the first support (3) and the second support (5) Means 9; It is mounted on one side of the outer wall of the building mounted on the bottom of the veranda (1) and the support plate (7) facing the outer wall of the building to incline the top of the support plate (7) toward the outside of the building A connecting means (11) capable of turning one side of the support plate (7) to be pivoted downstairs so that the support plate (7) used as the porch (1) handrail can be converted into a rescue ladder; Two or more edges mounted on the first support 3 and the second support 5 and provided on the support plate 7 connect the first support 3 and the second support 5 to the support plate. When 7 is pivoted by the connecting means 11, the self-weight of the supporting plate 7 applied to the connecting means 11 is distributed to the first support 3 and the second support 5. Self-dispersion means (13), When the support plate 7 is erected in the longitudinal direction of the first support 3 and the second support 5, the fixing means 9 sets the upper edge of the support plate 7 as the first support 3. Or a first fixing part 17 which can be fixed to an upper portion of the second support 5, It consists of a second fixing portion 19 which can fix the lower edge of the support plate 7 to the lower portion of the first support 3 or the second support 5, The first fixing part 17 extends from the supporting plate 7 in the direction of the first support 3 or the second support 5, and has a fixing piece 25 having the first fixing hole 23a. , When the support plate 7 is formed in the circumferential surface of the first support 3 and the second support 5 so as to stand upright in the longitudinal direction of the first support 3 and the second support 5, the A second fixing hole 23b which is in contact with the first fixing hole 23a; And a support plate 7 which can be fitted into the first fixing hole 23a and the second fixing hole 23b so as to stand upright in the longitudinal direction of the first support 3 and the second support 5. 1 consists of a fitting nail (21a) that can be fixed on the circumferential surface of the support (3) and the second support (5), A veranda characterized in that the safety cap (27b) is covered with a head portion of the fitting nail (21a) so that the fitting nail (21a) does not leave the first fixing hole (23a) and the second fixing hole (23b) normally Rescue ladder using railings. The method of claim 5, The second fixing portion 19 has a third fixing hole (23c) penetrating the lower edge of the support plate (7), The first support (3) and the second support (5) formed on the circumferential surface of the support plate (7) when the upright in the longitudinal direction of the first support (3) and the second support (5) when the first 4th fixing hole 23d which can face 3 fixing hole 23c, And a support plate 7 fitted into the third fixing hole 23c and the fourth fixing hole 23d and standing upright in the longitudinal direction of the first supporting member 3 and the second supporting member 5. ) And the fitting nail 21b which can be fixed on the circumferential surface of the second support 5, A safety cap 27b is placed on the head of the fitting nail 21b so that the fitting nail 21b is normally covered with the third fixing hole 23c and the fourth fixing hole 23d. Rescue ladder using railings.

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