JPS5832992B2 - Support device for movable evacuation platform - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention provides movable evacuation devices installed in external wall openings on the upper floors of buildings, outdoor floors on upper floors protruding from the outer walls of buildings, for example, balconies, veerandas, outdoor bottoms, etc. This invention relates to a support device for an evacuation platform.

Conventionally, the movable evacuation platform of this type of evacuation device is pivoted at its base to the building so that it can be placed in an upright position when not in use, and can be folded down to a horizontal position when in use. It consists of a pair of support arms and a damper that can be folded into two.

In addition, the damper is usually a braking device that uses a fly damper or a generator, and the former support device that uses a fly damper requires a separate hoist to bring the movable evacuation platform to the upright position, and the latter A support device using such a braking device is undesirably large and expensive.

The purpose of this invention is to smoothly and quickly rotate a movable evacuation platform of an evacuation system whose base is pivotally connected to a building from an upright position to a horizontal position, to hold the movable evacuation platform in the horizontal position, and to A support for a movable evacuation platform of an evacuation device that enables the evacuation device to be hoisted from a horizontal position to an upright position, making such operation safe and reliable, and allowing a part of the structure to be built into the movable evacuation platform. The purpose is to provide equipment.

In order to solve these problems, the support device for a movable evacuation platform of the present invention rotatably connects the base to an outdoor floor of an upper floor protruding from the outer wall of a building, and is placed in an upright position when not in use. A device that holds a movable evacuation platform in a horizontal position when in use, and is placed on both sides of the movable evacuation platform, with one end facing the building and the other end facing the side of the movable evacuation platform. The support members are connected to each other, the drum shaft has a large gear fixed to one end, the drum is fixed to the drum shaft, and the movable evacuation platform is rotated from the outside by...
A drive shaft arranged in parallel with the drum shaft, a drive pinion fixed to one end of the drive shaft and meshed with the large gear and transmitting the rotation of the drive shaft to the drum shaft, and the tip of the movable evacuation platform. At the side, a wire rope is fixed at one end to the drum and at the other end to the building side so as to be fed out to the outside of the movable evacuation platform, and with a hoist placed inside the movable evacuation platform. , a fly weight type brake having a brake shaft arranged in parallel with the drum shaft, and a small gear fixed to one end of the brake shaft and meshed with the large gear, and arranged in the movable evacuation platform. and, in use, when the movable evacuation platform starts to fall from the upright position to the horizontal position, the drive pinion acts on the drum shaft through the large gear to brake the drum; The structure is such that it supplements the braking action.

Hereinafter, preferred specific examples of the support device for a movable evacuation platform according to the present invention will be described with reference to the drawings.

Figures 1 to 15 are Veeranda 1 on the second floor 160 of the apartment complex.
61 shows a specific example 200 of the support device for a movable evacuation platform of the present invention used in the evacuation device 20 installed in 61.

The evacuation device 20 consists of pillars 167 installed at appropriate intervals on the tip of the veeranda 161, that is, on the outside of the handrail 162.
It is installed between 168 and 168.

The pillars 167 and 168 are the same as the pillars 163 of the handrail 162, the lower ends of the pillars 167 and 168 are embedded in the veeranda 161, and the upper ends of the pillars 167 and 168 are fixed to the cap 164 of the handrail 162.

This evacuation device 20 includes a movable evacuation platform 21. support device 200,
Evacuation port 24, upper lid 25, lower lid 26, lid opening/closing interlocking mechanism 2
7 and evacuation equipment 28.

The movable evacuation platform 21 has a box-shaped structure, and has support columns 167.1.
The bracket 5 at the base of the movable evacuation platform 21 is attached to the support shaft 22 of 68.
9 is pivotally mounted and held in the in-use state, that is, in the horizontal position by the support device 200, and fixed to the columns 167 and 168 by the locking device 29 in the non-in-use state, that is, in the vertical upright position. be done.

The support device 200 includes a pair of support arms 201 disposed on both sides of a movable evacuation platform 210 as a support member, a hoist 204 built into the movable evacuation platform 21, and a flywheel connected to the hoist 204 by gears. A weight type brake 205 is included.

As can be understood from FIGS. 2 to 4, the support arm 201 is foldable into two and is composed of a building side link 202 and a movable evacuation platform side link 203, and the building side link 202 is protruded from the pillars 167 and 168. One end is rotatably attached to the pin 38, and the movable evacuation platform side link 20
3 is keyed at one end to a rotating shaft 39 placed on the side of the movable evacuation platform 21, and the links 202 and 20
3, the other ends are pivotally connected to each other by pins 40.

The rotating shaft 39 is fitted into a bearing hole 41 formed on the side of the movable evacuation platform 21, and extends one end to the outside of the movable evacuation platform 21, and connects one end of the movable evacuation platform side link 203 to the extended end. The key is locked.

Of course, the support member may also be formed of wire rope.

The hoist 204 and the brake 205 are arranged in a frame 206 fixed inside the base side of the movable evacuation platform 21, as understood from FIGS. 5 to 8.

The hoist 204 includes a drum shaft 207 fitted and held in bearing holes 208 and 209 of a frame 206, a drum 210 welded to the drum shaft 207, and one end fixed to the drum 210 and wound around the drum 210. , a wire rope 217 to be rewound, a drive shaft 211 parallel to the drum shaft 207 and fitted into the bearing holes 212 and 213 of the frame 206, and a drive shaft 211 keyed to one end of the drive shaft 211. A pinion 214, a large gear 215 keyed to one end of the drum shaft 207 so as to mesh with the drive pinion 214, and a movable evacuation platform 21.
The handle 216 is attached to the other end of the drive shaft 211 protruding from the upper surface of the drive shaft 211.

The wire rope 217 is connected to pulley devices 218 and 2 disposed at the tip of the movable evacuation platform 21 and inside the drum side, respectively.
19, and is drawn out from the inside of the movable evacuation platform 21 to the outside through a long hole 220 formed on the top surface of the tip of the movable evacuation platform 21.

The brake 205 is arranged parallel to the drum shaft 207 and mounted on the frame 206.
Brake shaft 221 fitted into bearing holes 222 and 223 of
, a fly weight support 224 fixed to the brake shaft 221, fly weights 227, 228 pivotally connected to the fly weight support 224 via pins 225, 226, and fly weights 227. A movable brake lining plate 231 that is reciprocated on the flake shaft 221 by cam surfaces 229 and 230 of 228, a fixed brake lining plate 232 pinned to the brake shaft 221, and a movable and fixed brake lining plate 232 that is pinned to the brake shaft 221. A friction plate 235 is located between the pads 233 and 234 of the lining plates 231 and 232, and is arranged concentrically with the brake shaft 221, and a friction plate 235 is positioned between the movable side and fixed side brake lining plates 231 and 232. A return shaft is arranged concentrically with the brake shaft 221 so that the
It consists of a spring 236 and a small gear 237 that is keyed to the brake shaft 221 so as to mesh with the large gear 215.

The friction plate 235 has a pair of pins 238 welded to the frame 206.
The pin hole 239 is fitted into the brake shaft 221, and the brake shaft 221 is reciprocated along the axis of the brake shaft 221 (see FIG. 8).

The movable brake lining plate 231 also brakes by means of a pin 240 inserted into the brake shaft 221 and a slot 242 formed in a post 241 of the brake lining plate 231 so as to be fitted to the pin 240. Rotation about axis 221 is prevented.

The evacuation opening 24 has an upper end as an upper side opening 48 and a lower end as a lower side opening 49, and the upper and lower lids 25 and 26 are connected to the upper and lower side openings 4B and 49 via a back hinge 50. It is pivoted.

When the movable evacuation platform 21 starts rotating, the upper and lower lid locking devices 30 are automatically released, and the upper and lower lids 25 and 26 are free from the action of the weight of the lower lid 26, evacuation equipment, etc. A pair of lid opening/closing interlocking mechanisms 27 (see FIGS. 9 and 10) follow the rotational movement of the movable evacuation platform 210 and are opened in conjunction with each other.

When the top cover 25 is closed, it serves as a blindfold for the evacuation device 200, and when it is open, it serves as a safety handrail to assist evacuees in their evacuation operations.

In addition, the lower lid 26 is in an open state to block the view of the evacuee.
It allays fear.

Furthermore, the upper lid 25 has a handle 51 attached thereto for evacuees.

The lid opening/closing interlocking mechanism 27 includes an abbreviated rotating arm 52 rotatably fitted to a support shaft 55 protruding into the evacuation port 24.
, a push-up link 53 and a push-down link 54.

The rotating arm 52 consists of a long arm portion 56 and a short arm portion 57, and the tip of the long arm portion 56 is pivotally connected to the tip side of the push-up link 53 via a pin 58.
Further, the tip of the short arm portion 57 is pivotally connected to the tip of the push-down link 54 via a pin 68'.

The rotating arm 52 is not limited to being formed by the long arm part 56 and the short arm part 57, and can also be formed into a triangular plate.

The base of the push-up link 53 is pivotally connected to a bracket 60 welded to the inner surface of the upper lid 25 via a pin 61, and a stopper 62 is welded to the tip of the push-up link 53, and the upper and lower lids 25 and 26 are It can be held in a vertical open position.

The push-down link 54 is made up of a threaded rod 63 and sleeve nuts 64 and 65 screwed onto both ends of the threaded rod, and the length of the push-down link 54 can be adjusted.
A nut 64 is pivotally attached to the short arm portion 57 via a pin 68', and a base sleeve nut 65 is pivotally attached to the inner surface of the lower cover 26.

Of course, the base sleeve nut 65 is pivotally connected to a bracket 67 welded to the inner surface of the lower cover 26 via a pin 68.

The evacuation equipment 28 is arranged at each evacuation opening 24 of the movable evacuation platform 21, and is normally reduced telescopically.
They are housed in each evacuation exit 24.

The evacuation device 28 includes eight hollow sliding pipes 69, γ with different diameters.
0. ..., γ6 are sequentially fitted and connected in a telescopic manner, and each hollow sliding tube 69, 70 . .......

Step plates 77, 78,..., 8 are attached to the lower end of 76.
The hollow sliding tube 69 is rotatably attached to the bracket 86 of the evacuation port 24 via the support shaft 85, and when in use, the evacuation device 28 is extended telescopically downward. It is suspended from the evacuation entrance 24.

Hollow sliding tubes 69, 70. ..., 76 are upper hollow sliding tubes 69, 70 . . . which are adjacent to each other.・・・・・・7
5, the lower hollow sliding tubes 70, 71.・・・・・・76
Hollow sliding tubes 69°, 70,...
..., 76 is pulled up, rotated around the support shaft 85, placed in a horizontal position, and then accommodated in the evacuation opening 24 or placed on the closed lower lid 26. , accommodated in the evacuation entrance 24.

Of course, the evacuation device 28 is equipped with a manual hoist 87 attached to the upper end of the uppermost hollow guide pipe 69.

The winding machine 87 includes a drum (not shown) having a ratchet mechanism (not shown), and is capable of winding and unwinding the drum, with one end attached to the drum and the other end attached to the lowest hollow sliding tube 16. Wire ropes each stopped (
(not shown) and a brake device (not shown).
・Ru.

The brake device consists of fly weights and friction plates.

Therefore, the hoist 87 operates the operating lever 88 to
The ratchet mechanism is removed and the evacuation device 28 is lowered and extended by its own weight.

At that time, the brake device is activated, and the descent and extension speed of the evacuation device 28 is controlled.

Additionally, the extended evacuation device 28 has a handle (not shown).
rotates the drum and winds up the wire rope,
Upper hollow sliding tubes 69 , 70 , . . . adjacent to each other
..., 75 and lower hollow sliding pipe 70.71. ...
. . , 76 is slidably received and pulled up to the evacuation entrance 24.

The locking device 29 for the movable evacuation platform 21 described above is the 12th
As shown in FIG.
and latch seats 93. welded to the struts 167, 168.
The latch receiver of 94 is port 95, 96, and the latch receiver is port 95,
The latch 91.92 is inserted into the opening 96, and the latch receiver is comprised of a drive mechanism 97 for withdrawing the latch 91.92 from the opening 95.96.

The drive mechanism 97 includes a substantially V-shaped operating arm 98, a fan-shaped rotary plate 99, a connecting link 100, and a connecting rod 101.

The operating arm 98 is fixed to the lower end of the drive shaft 102, and the tip of one arm portion 98a is connected to the slot 9 of one latch 92.
2a and secured with a knock pin 103, and the tip of the other arm portion 98b is pivotally attached to one end of the connecting link 100.

The drive shaft 102 is fitted and held in a sleeve 104 welded to the movable evacuation platform 21, has an upper end protruding from the distal end surface 21a of the movable evacuation platform 21, and has a handle 105 screwed to the upper end.

The connecting link 100 consists of two connecting plates, the other end of which is pivotally connected to a rotating plate 99, and the fan-shaped rotating plate 99 is connected to the bearing hole 1.
It is provided with a boss 106 having a hole 07, and is rotatably fitted and held on a support shaft 108 of the movable evacuation platform 21.

Further, the connecting rod 101 includes a threaded rod 109 and the threaded rod 10.
9 and knuckle joints 114 and 115 welded to nuts 112 and 113.

The connecting rod 101 has one knuckle joint 115 pivotally connected to the rotary plate 99 and the other knuckle joint 114 to the latch 91, respectively.

Further, the latches 91 and 92 always have their tip portions projected to both sides of the movable evacuation platform 210 by coil springs 116 and 117.

As shown in FIGS. 14 and 15, the above-mentioned upper and lower lid locking devices 30 for the soil and lower lids 25 and 26 have a latch 118 disposed on the side of the movable evacuation platform 21 and its launch 11.
8, the latch receiver disposed on the lower lid 26 side has an opening 119, and a drive mechanism 12 that pulls out the latch 118 from the opening 119 as the movable evacuation platform 21 rotates.
0.

The launch 118 is reciprocally slidably fitted into a cylinder 121 fixed to the base of the movable evacuation platform 21 so as to open into the evacuation opening 24, and the latch 118 is also inserted into the cylinder 121. The coil spring 122 always projects the tip into the escape port 24 and allows the latch receiver to be inserted into the port 119.

Furthermore, the latch 118 has a slot 123 formed at its rear end, and a knock pin 124 is inserted into the tip, while the cylinder 121 has a pair of slots N2 corresponding to the slot 123.
5,126 is formed.

The latch receiver opening 119 is formed on a latch seat 127 welded to the inner surface of the lower cover 26.

The drive mechanism 120 includes a drive lever 128, a drive arm 129 that operates the drive lever 128, a drive shaft 130 with the drive arm 129 pinned to one end, and a drive shaft 130 that protrudes from one side of the movable evacuation platform 21. It consists of a cam 131 welded to the other end of the shaft 130, and a stopper 132 that engages with the cam 131 in accordance with the rotation of the movable evacuation platform 210.

The drive lever 128 has its base pivotally connected to a support pin 133 fixed to the movable evacuation platform 21 on one side of the cylinder 121, passes through the slot 123 and the sulin N25, 126, and extends its tip to the other side of the cylinder 121. is expanding.

The drive arm 129 includes a boss 134, a pair of arm parts 135 integrally formed with the boss 134 at appropriate intervals, and a knock fixed between the tips of the arm parts 135.
The knock pin 136 is engaged with the tip of the drive lever 128.

Further, the drive arm 129 is connected to the bearing hole 137 of the boss 134.
One end of the drive shaft 130 is fitted into the drive shaft 130 and pinned to the drive shaft 130 so that the drive shaft 130 can be rotated together with the drive shaft 130 .

The drive shaft 130 is fitted and held in a bearing sleeve 13B welded to one side of the movable evacuation platform 21, and has its other end projected and extended to one side of the movable evacuation platform 21, and a cam 131 is welded to the other end. are doing.

Further, the stopper 132 is made up of a leg 139 and a pin 140 welded to the leg 139, and the leg 139 is connected to the support 16.
8 and is fixed to the column 168.

Next, a case will be described in which the evacuation device 20 equipped with the support device 200 configured as described above is used to evacuate from the second floor 160 to the ground in the event of a fire outbreak.The brake 205 of the support device 200 is set in advance. So now,
First, the evacuee swings the handle 105 and engages the latches 91 and 92 via the drive mechanism 97 into the latch receiver opening 95.
96 to release the locking device 29, then push the movable evacuation platform 21 forward and rotate the movable evacuation platform 21 around the support shaft 22.

When the movable evacuation platform 21 is rotated in this manner, the wire rope 217 is sequentially unwound from the drum 210 and let out.

When the wire rope 217 begins to let out, in other words, when the movable evacuation platform 21 begins to fall from the upright position to the horizontal position, the small gear 237 and the brake shaft 2
21 etc., the drive pinion 214 and the drive shaft 211 meshed with the dog gear 215 act on the large gear 215, i.e., the drum shaft 207, to brake the drum 210, That is, when the drum shaft 207 rotates at low speed, the fly weight type brake 2050 supplements the braking action, and as a result,
The movable evacuation platform 21 begins to fall down smoothly.

Furthermore, the movable evacuation platform 21 is rotated, and the wire
As the rope 217 is further unwound, the rotational speed of the drum 2100 is increased, and the increased rotational speed of the drum 210 is applied to the large gear 215 and the small gear 237.
is transmitted to the brake shaft 221 by.

When the rotational speed of the brake shaft 2210 is increased in this way, the flyways 227 and 228 are rotated to the brake shaft 221 in accordance with the increase in the rotational speed of the brake shaft 2210.
0 Open on both sides.

In response to such an opening movement of the fly weights 227, 228, the movable brake lining plate 231 resists the return spring 236 and opens the cam surface 229, 23.
0 against the stationary brake lining plate 232.

Therefore, the friction plate 235 is connected to the movable side and fixed side brakes.
It is sandwiched between lining plates 231 and 232, and the flake shaft 221 is braked.

When the brake shaft 221 is braked, the drum 210 is also braked via the small gear 237 and the large gear 215, and the drum 210 is prevented from rotating beyond a predetermined rotational speed.

The movable evacuation platform 21 under such braking operation is smoothly rotated from a vertical position to a horizontal collapsed position without exceeding a predetermined rotational speed.

When the movable evacuation platform 21 rotated in this way is brought down and approaches the horizontal position, the cam 131 engages with the pin 140,
The movement of the cam 131 is transmitted to the drive lever 128 via the drive shaft 130 and the drive arm 129, and the latch 118 is moved to the cylinder 121 against the coil spring 122.
The latch 118 is pulled out from the latch opening 119 to release the upper and lower lid locking devices 30.

Further, while the movable evacuation platform 21 continues to rotate to the horizontal position, with the release operation of the upper and lower lid locking devices 30,
The opening operation of the lower lid 26 is started by its own weight and the weight of the evacuation device 28.

In this way, when the lower lid 26 starts the opening operation, the upper lid 25 connected via the lid opening/closing interlocking mechanism 27 also starts the opening operation.

When the movable evacuation platform 21 rotates and falls to a horizontal position, the upper and lower lids 25 and 26 are opened to a vertical position with respect to the movable evacuation platform 21, and are maintained in the vertical position by the lid opening/closing interlocking mechanism 27.

As mentioned above, when the movable evacuation platform 21 is brought down to the horizontal position and the upper and lower covers 25 and 26 are kept open and maintained in the vertical position, the evacuee can check the ground condition through the evacuation opening 24,
The ratchet mechanism is released by operating the operating lever 88 of the hoist 87, and the evacuation device 28 is lowered and extended to the ground by its own weight.

After that, the evacuee grasps the handle 51 of the top lid 25 with his hand,
The user steps onto the evacuation device 28 by putting his or her feet on the footboard 77, then gets off the evacuation device 28, moves to the ground through the evacuation opening 24, and evacuates to a safe place on the ground.

If the inspection after the fire is extinguished shows that the evacuation device 20 has no malfunctions and has the original function, first, the hoist 87 is manually driven to lower and extend the evacuation device 2.
8 through the wire rope and locked by the ratchet mechanism.

Subsequently, a handle 216 is attached to the drive shaft 211 protruding from the top surface of the movable evacuation platform 21, and the drive shaft 211 is rotated by the handle 216.

When the drive shaft 211 is rotated, the drive pinion 214
and the drum 210 is rotated by the large gear 215,
Wire rope 217 is wrapped around drum 210.

Therefore, the movable evacuation platform 21 rotates around the support shaft 22,
Stand up from a horizontal position to a vertical position.

The erected movable evacuation platform 21 is locked to the columns 167 and 168 by the locking device 29.

As the movable evacuation platform 21 stands up, the upper and lower lids 2
5.26 are closed together by the lid opening/closing interlocking mechanism 27 and locked in the closed position by the upper and lower lid locking devices 30.

Also, when the upper and lower covers 25 and 26 are closed, the evacuation equipment 2
8 is housed within the evacuation port 24.

In that way, an evacuation device 20 comprising a support device 200
will be returned to its original state and prepared for the next fire.

Figures 16 and 17 show the exterior wall 1 of the second floor 160 of an apartment complex.
70 and which uses the support device 200 for the movable evacuation platform 21 of the present invention shown in FIGS. 1-15.

The evacuation device 250 includes a movable evacuation platform 251 that is installed in an opening 171 formed in an outer wall 170 of a second floor 160 of a building, closes the opening 171 when not in use, and rotates to a horizontal position when in use. I'm here.

Furthermore, this evacuation device 250 includes a support device 260, an evacuation port 24, an upper lid 25, a lower lid 26, a lid opening/closing interlocking mechanism 27, and an evacuation device 28.

The movable evacuation platform 251 has a box-shaped structure similar to the movable evacuation platform 21 described above, and has a four-sided frame 2 forming an opening 171.
The base portion is pivotally connected to the lower frame piece 253 of 52.

That is, the movable evacuation platform 251 is pivotally attached to the four-sided frame 252 by rotatably connecting the evacuation money side bracket 257 to the frame side bracket 25B via the support shaft 259.

The support device 260 includes a pair of support arms 261 disposed on both sides of the movable evacuation platform 2510, a hoist 204 built into the movable evacuation platform 251, and a fly weight brake 205 connected to the hoist 204 through gears. Contains.

As understood from FIGS. 16 and 17, the support arm 261 consists of a long support link 262 and a short support link 263, and one end of the long support link 262 is connected to the bracket 264 of the side frame pieces 255 and 256 of the four-sided frame 252. It is pivoted to, and
One end of the short support link 263 is pivotally connected to the side bracket 265 of the movable evacuation platform 251, and the long support link 262
The other end is pivotally connected to the other end of the short support link 263, making it possible to fold it in two.

In particular, the long support link 262, which is pivotally connected to the other end of the short support link 263 via a pin, has an elongated hole 266 formed at the other end.

The hoist 204, fly weight type brake 205, and their gear connections are the same as those of the support device 200, and therefore illustration and description thereof will be omitted.

The other end of the wire rope 217 of this hoist 204 is fixed to the upper frame piece 254 of the four-sided frame 262.

In addition, the evacuation entrance 24 is formed on the tip side of the movable evacuation platform 251, and the upper surface of the base side of the movable evacuation platform 251 is connected to a landing 267.
This is the same as in the case of the evacuation device 20, except that the explanation is omitted.

Further, the necessary components such as the upper lid 25, the lower lid 26, the lid opening/closing interlocking mechanism 27, and the evacuation equipment 28 are the same as the components of the evacuation device 20, or the installation is substantially the same with only a slight change in position. Therefore, illustration of their configuration and explanation of their functions will be omitted.

According to the above invention, the support device includes a hoist and a fly weight type brake, and the hoist includes a drum shaft having a large gear fixed to one end, a drum fixed to the drum shaft, and a movable drum. A drive shaft is arranged parallel to the drum shaft so as to be rotated by a handle from the outside of the evacuation platform, and the drive shaft is fixed to one end and meshed with the large gear, and the rotation of the drive shaft is controlled by the drum shaft. It consists of a drive pinion that transmits information to the movable evacuation platform, and a wire rope fixed at one end to the drum and the other end to the building side so that it is fed out to the outside of the movable evacuation platform at the tip side of the movable evacuation platform. In addition, the brake is configured to include a brake shaft arranged in parallel with the drum shaft, and a small gear fixed to one end of the brake shaft and meshed with the large gear, so that the movable evacuation platform When the drum begins to fall from a standing position to a horizontal position,
That is, at low speed rotation of the drum shaft, the large gear, i.e., the drum, in addition to the small gear and the brake shaft, the drive pinion meshed with the large gear brakes the drum together with the drive shaft. act on the shaft and supplement the braking action of its brake, and when the movable evacuation platform is further rotated and the rotational speed of its drum, i.e., the drum shaft, is increased, its brake brakes its drum, so that , the movable evacuation platform can be rotated smoothly and quickly from a standing position to a horizontal position, the movable evacuation platform can be quickly set to a horizontal position, and the movable evacuation platform can be rolled up from a horizontal position to a standing position. Furthermore, since the hoist and fly-weight type brake are built into the movable evacuation platform, evacuees are able to evacuate quickly without being hindered by the hoist and the brake.

[Brief explanation of drawings]

Figure 1 is a perspective view showing how the evacuation device using the support device of the present invention is installed and placed in Veeranda, an apartment complex, and Figure 2 shows the state in which the movable evacuation platform is brought down to the horizontal position. FIG. 3 is a front view showing the support device; FIG. 3 is a side view of the support device;
The figure is a front view showing the support device when the movable evacuation platform is in the vertical position, FIG. 1 is a cross-sectional view taken along line 7-7 of FIG. 6; FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 6; Figure 9 is a front view of the lid opening/closing interlocking mechanism, Figure 10 is a top view of the lid opening/closing mechanism, Figure 11 is a front view showing how the evacuation equipment is used, and Figure 12 is of the movable evacuation platform. A front view showing the locking device, FIG. 13 is a top view of the locking device, and FIG. 14 is a top view of the locking device.
15 is a front view showing the lower lid locking device partially in section; FIG. 15 is a top view; FIG.
The figure is a vertical sectional view using another specific example of the support device according to the present invention and showing a state in which other evacuation devices installed on the outer wall of an apartment complex are not in use. FIG. 3 is a longitudinal cross-sectional view showing the device in use. 20.250...Evacuation device, 2L51...
...Movable evacuation platform, 22...Spindle, 24...
...Evacuation entrance, 25...Top lid, 26...
・Lower lid, 27... Lid opening/closing interlocking mechanism, 28...
... Evacuation equipment, 29 ... Locking device, 30 ...
...Top and bottom lid locking devices, 160...2nd floor,
161°°°°°° Veeranda, 162...handrail, 163°167, 168...post, 16
4...Kasagi, 170...Outer wall, 171
...Opening, 200.260...Support device, 20L261...Support arm, 204...
...Hoist, 205...Fly weight type brake, 203...Frame.

Claims (1)

[Scope of Claims] 1. A movable device whose base part is rotatably connected to an upper outdoor floor etc. that protrudes from the outer wall of a building, and which is placed in an upright position when not in use and is brought down to a horizontal position when in use. A support member that holds the evacuation platform in a horizontal position and is placed on both sides of the movable evacuation platform and has one end connected to the building side and the other end connected to the side of the movable evacuation platform; A drum shaft with a large gear fixed to it, a drum fixed to the drum shaft, a drive shaft placed parallel to the drum shaft so as to be rotated by a handle from outside the movable evacuation platform, and one end of the drive shaft. A drive pinion that is fixed to and meshes with the large gear and transmits the rotation of the drive shaft to the drum shaft, and on the tip side of the movable evacuation platform,
a hoist disposed within the movable evacuation platform, the drum having a wire rope fixed at one end to the drum and the other end to the building side so as to be unwound outside the movable evacuation platform; a brake shaft disposed in parallel with the shaft; and a flyweight type brake having a small gear fixed to one end of the brake shaft and meshed with the large gear, and disposed within the movable evacuation platform. , When in use, when the movable evacuation platform starts to fall from the upright position to the horizontal position, the drive pinion acts on the drum shaft through the large gear to brake the drum, and the braking action of the brake is A support device for a movable evacuation platform to supplement this.