CN211007383U - Novel escape railing device - Google Patents

Abstract

The utility model provides a novel railing device of fleing, solves to lack reliable fire prevention evacuation passageway on outdoor balcony and the fire control vestibule that current high-rise or multi-storey building exists, influences flee personnel's in the conflagration life safety, the poor problem of fire safety nature. Including the outer wall floor that sets up on the building outer wall body, its characterized in that: fixed guard rails are respectively arranged on the outer side edges of the outer floor slabs of each wall, and downward-turning deformation rails are movably arranged on the outer sides of the fixed guard rails; a downward turning railing clamping mechanism is arranged between the downward turning deformation railing and the fixed protection railing. The mechanical escape railing is reasonable in design and compact in structure, escape routes of a building can be increased, and a mechanical escape railing structure with higher reliability is utilized to provide more favorable guarantee for the fire safety of the building; after a fire disaster occurs, when people cannot reach evacuation stairs or evacuation elevators, evacuation personnel can escape from the fire disaster through the escape railing device.

Description

Novel escape railing device

Technical Field

The utility model belongs to the technical field of the building escape device, concretely relates to route of fleing of multiplicable building provides favorable guarantee for the fire prevention security of building, the neotype railing device of fleing of the personnel of being convenient for flee in the conflagration.

Background

For the outdoor railing of the existing building, the function of protecting the user from falling from high altitude is generally achieved. However, when a fire is actually occurring, it is not uncommon for the fire to be caught in an outdoor balcony or fire corridor due to a violent fire. Therefore, in high-rise or multi-story buildings, reliable fireproof evacuation channels are lacked on outdoor balconies and fire-fighting galleries, so that the life safety of escape personnel in fire disasters is seriously influenced, and the fireproof safety is poor. There is a need for improved fire evacuation systems and devices on outdoor balconies or fire corridors of existing buildings.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to above-mentioned problem, provide the route of fleing of multiplicable building, for the fire prevention security of building provides favorable guarantee, the neotype railing device of fleing of the personnel of being convenient for flee in the conflagration.

The utility model adopts the technical proposal that: this novel railing of fleing device sets up on building outer wall body's wall outer floor, its characterized in that: fixed guard rails are respectively arranged on the outer side edges of the outer floor slabs of each layer of wall, and downward-turning deformation rails are movably arranged on the outer sides of the fixed guard rails; and a downward overturning railing clamping and fixing mechanism is arranged between the downward overturning deformation railing and the fixed protection railing.

The downward turning deformation handrail is composed of a deformation handrail outer frame, a downward turning slow platform I and a downward turning slow platform II are respectively arranged at two ends of the deformation handrail outer frame, and the lower end parts of the downward turning slow platform I and the downward turning slow platform II are respectively connected with the edge of the outer wall floor slab through slow platform rotating shafts in a rotating mode; the middle part of the deformation railing outer frame, the downward overturning buffering platform I and the downward overturning buffering platform II are provided with inner frame clamping grooves, a deformation railing inner frame is movably arranged in the inner frame clamping grooves, and one end of the deformation railing inner frame is connected with the side edge of the downward overturning buffering platform I in a rotating mode through an inner frame rotating shaft. The downward-turning deformed handrail is turned downwards through the rotation of the outer frame of the deformed handrail around the rotating shafts of the two slow platforms at the two ends; then, the inner frame of the deformed handrail rotates around the inner frame rotating shaft, so that the inner frame of the deformed handrail swings downwards in an inclined mode from the inner frame clamping groove in the middle of the outer frame of the deformed handrail, and an escape ladder structure between outer floors of all the walls is formed.

The deformation railing inner frame is composed of inner frame bodies on two sides, and a plurality of groups of deformation pedals which are arranged at equal intervals are rotatably arranged between the inner frame bodies on the two sides. The plurality of layers of stair treads are formed on the inner frame of the deformed railing which is arranged at the lower hem by utilizing the horizontal rotation of each group of deformed treads on the inner frame of the deformed railing, so that the evacuees can conveniently and quickly escape.

The outer frame of the deformation handrail is composed of an outer frame body, and a plurality of groups of inhaul cable retracting rotating wheels with the quantity and the positions corresponding to those of the deformation pedals are arranged in the outer frame body; meanwhile, traction cables with different lengths are wound on the cable take-up and pay-off rotating wheels respectively, the upper ends of the traction cables are fixedly connected with the wheel bodies of the cable take-up and pay-off rotating wheels, and the lower ends of the traction cables are connected with corresponding deformation pedals. Each deformation pedal on the deformation railing inner frame is respectively connected with the deformation railing outer frame through a traction cable wound on a retractable rotating wheel of the traction cable, so that the horizontal state after the rotation of the deformation pedals is maintained, and meanwhile, the protection cable structure of the outer side part of the deformation railing inner frame in an inclined state is formed by utilizing the traction cables hung vertically, and the safety of evacuated personnel is ensured.

The deformation footboard comprises the footboard main part, and both ends are provided with the footboard respectively and connect the pivot about the footboard main part, and the footboard main part is close to the one end in the outside and is provided with cable connecting portion. The pedals at the two ends of the pedal main body are connected with the rotating shaft, the deformation pedals are rotatably arranged between the inner frame bodies at the two sides of the inner frame of the deformation railing, and the lower end of the traction cable is connected with the cable connecting part at the outer side end of the pedal main body.

The downward turning railing clamping mechanism comprises a plurality of groups of elastic clamping balls and clamping and fixing connecting blocks which are clamped with each other, each clamping and fixing connecting block is composed of a connecting block main body, a ball clamping cavity is formed in each connecting block main body, a clamping and fixing hole communicated with the ball clamping cavity is formed in one end of each connecting block main body, and an outer frame connecting part is arranged at the other end, opposite to the end with the clamping and fixing hole, of each connecting block main body; the clamping and fixing connecting blocks are fixedly connected with the outer frame of the deformation railing which turns over the deformation railing downwards through the outer frame connecting parts respectively, one end of each elastic clamping ball corresponding to each clamping and fixing connecting block is fixedly connected with the fixed protection railing, and the other end of each elastic clamping ball is clamped in the clamping ball cavity of each clamping and fixing connecting block through the clamping and fixing hole and the elastic clamping. With through the fixed elastic clamping ball that sets up on fixed protection railing, with the fixed elastic clamping who sets up the solid connecting block of card on turning over the deformation railing frame of deformation railing down, will turn over down and warp the railing and fix on fixed protection railing to be convenient for turn over down and warp the railing and under the condition that appears the conflagration, overturn downwards round the platform pivot of slowing at both ends.

The elastic clamping ball is formed by enclosing a plurality of groups of elastic steel rings which are arranged at intervals, and a clamping ball telescopic sleeve which is arranged along the diameter of the ball body is arranged in each elastic steel ring which encloses the ball body; the one end that the flexible cover of card ball stretches out the elasticity steel loop outside is provided with guard rail connecting portion, and the flexible cover of card ball is located the inside other end of elasticity steel loop, and the activity is pegged graft there is tension telescopic rod, is connected with tension spring between tension telescopic rod's rear end and the flexible cover inner chamber bottom of card ball, and tension telescopic rod's front end then links to each other with each elasticity steel loop is fixed. The elastic clamping balls are fixedly connected to the fixed protective railing through the protective railing connecting portion, and resetting of the elastic clamping balls after stress deformation is achieved through the tension telescopic rod.

The downward overturning buffering platform I and the downward overturning buffering platform II of the downward overturning deformation railing are respectively provided with a folding protective baffle. After the deformation railing overturns downwards, the upright folding protective baffle is utilized to carry out effective safety protection on the escape ladder structure escape process of evacuating personnel between the outer floors of each wall, so as to prevent the accidental falling.

The outer teeth of the runners are arranged on the guy cable take-up and pay-off runners arranged in the outer frame body of the deformed handrail outer frame, meanwhile, a ring gear synchronous belt is further arranged in the outer frame body and above the guy cable take-up and pay-off runners, synchronous belt driving gears are respectively arranged at two ends of the ring gear synchronous belt, and a plurality of synchronous belt driven gears are arranged in the ring gear synchronous belt and between the two synchronous belt driving gears; and the outer gear teeth at the lower part of the outer side of the ring gear synchronous belt are respectively meshed with the outer teeth of the pulleys of the cable take-up and pay-off pulleys. Drive the ring gear hold-in range through the hold-in range driving gear and rotate, and then utilize the outer teeth of a cogwheel of ring gear hold-in range outside lower part, come the inside each cable of one-way drive deformation railing frame and receive and release runner reverse rotation, withdraw each one by one and pull the cable, thereby drive the deformation railing inside casing upwards rotate back the inside casing draw-in groove of deformation railing frame in, be convenient for turn over down the restoration of deformation railing after the conflagration.

The rotary center of a synchronous belt driving gear of the ring gear synchronous belt is connected with a synchronous belt driving rotating shaft, the end part of the synchronous belt driving rotating shaft is meshed with a return driving bevel gear through a return driven bevel gear, and an inner frame return rotating handle is arranged on a driving shaft of the return driving bevel gear. The inner frame return rotating handle is used for driving the return driving bevel gear to drive the return driven bevel gear to rotate; and then the rotation of the rotating shaft is driven by the synchronous belt to drive the ring gear synchronous belt to rotate.

The utility model has the advantages that: because the utility model adopts the outer wall floor slab arranged on the outer wall body of the building, the outer side edges of each layer of outer wall floor slab are respectively provided with the fixed guard rail, and the outer side of the fixed guard rail is movably provided with the downward-turning deformation rail; the structural form of the downward turning guardrail clamping mechanism is arranged between the downward turning deformation guardrail and the fixed protective guardrail, so that the structure is reasonable in design and compact in structure, escape routes of a building can be increased, and a mechanical escape guardrail structure with higher reliability is utilized to provide more favorable guarantee for the fire safety of the building; after a fire disaster occurs, when people cannot reach evacuation stairs or evacuation elevators, evacuation personnel can escape from the fire disaster through the escape railing device arranged on the floor outside the wall. Moreover, the escape railing device can be used for multiple purposes at one stroke, can serve as a protective railing at ordinary times, can be changed into an escape ladder structure, does not generate redundant waste and saves cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the inverted deformed rail of fig. 1 in a use state of being inverted downward.

Fig. 3 is a schematic view of the deformed handrail inner frame in the turned-down deformed handrail in fig. 2 swinging downward to form an interlayer escape ladder structure in a use state.

Fig. 4 is a schematic view of a structure of the inverted deformed rail in fig. 3.

Fig. 5 is an exploded view of the outer and inner deformed balustrades of fig. 4.

Fig. 6 is an enlarged view of a portion of the structure at a in fig. 5.

Fig. 7 is a schematic view of a structure of the deformed pedal of fig. 5.

Fig. 8 is a front view of the inverted deformed rail of fig. 2 (the deformed rail inner frame is located in the inner frame locking groove of the deformed rail outer frame).

Fig. 9 is a front view of the inverted deformed rail (deformed rail inner frame tilted downward swing) of fig. 3.

Fig. 10 is a schematic view of a construction of the snap-fit connector block of fig. 4.

Fig. 11 is a schematic view of a structure of the elastic ball of fig. 4.

Fig. 12 is a schematic view of the elastic steel ring in fig. 11 in a use state, wherein the telescopic rod is under a stress deformation and a tension force and is in an extending state.

FIG. 13 is a sectional view showing a coupling structure in which the fastening coupling block of FIG. 10 and the elastic fastening balls of FIG. 11 are fastened to each other.

Fig. 14 is a schematic view of the connecting block body in fig. 13 in a use state of gradually separating the fastening connecting block from the elastic fastening ball fixed on the fixed guard rail as the deformed rail outer frame rotates.

FIG. 15 is a schematic view of the connector block body of FIG. 14 in a fully separated state of use with the resilient steel ring.

Figure 16 is a schematic diagram of a drive mechanism for driving the synchronous belt drive gear of figure 6.

The sequence numbers in the figures illustrate: 1 building outer wall body, 2 wall outer floor slabs, 3 downward turning and delaying platform I, 4 fixed guard rails, 5 downward turning and deforming railings, 6 downward turning and delaying platform II, 7 downward turning and railing clamping and fixing mechanism, 8 deforming railing outer frame, 9 traction cables, 10 deforming railing inner frame, 11 deforming pedals, 12 inner frame clamping grooves, 13 slow platform rotating shafts, 14 inner frame rotating shafts, 15 elastic clamping balls, 16 clamping and fixing connecting blocks, 17 folding guard baffles, 18 outer frame bodies, 19 inner frame bodies, 20 cable retracting and rotating wheels, 21 annular gear synchronous belts, 22 synchronous belt outer teeth, 23 synchronous belt driving gears, 24 synchronous belt driven gears, 25 rotating wheel outer teeth, 26 pedal bodies, 27 pedal connecting rotating shafts, 28 cable connecting parts, 29 transverse baffles, 30 connecting block bodies, 31 outer frame connecting parts, 32 clamping and fixing holes, 33 clamping ball telescopic sleeves, 34 elastic steel rings, 35 guardrail connecting parts, 36 tension telescopic rods, 37 spring telescopic rods, 38 ball clamping cavities, 39 inner frame return rotating handles, 40 return driving bevel gears, 41 synchronous belt driving rotating shafts and 42 return driven bevel gears.

Detailed Description

The specific structure of the present invention will be described in detail with reference to fig. 1 to 16. The novel escape railing device comprises an external wall floor 2 (for example, an outdoor balcony floor or a fire control corridor floor) arranged on an external wall 1 of a building, and fixed protective railings 4 are respectively arranged on the outer side edges of the external wall floors 2. The outer sides of the fixed guard rails 4 of all the layers are movably provided with downwards-turning deformed rails 5. The downward turning deformation handrail 5 is composed of a deformation handrail outer frame 8, and a downward turning slow platform I3 and a downward turning slow platform II 6 are respectively arranged at two ends of an outer frame body 18 of the deformation handrail outer frame 8; the lower end parts of the vertical downward-turning slow platform I3 and the vertical downward-turning slow platform II 6 are respectively connected with the edge of the wall external floor slab 2 in a rotating mode through a slow platform rotating shaft 13.

The middle part of the deformation railing outer frame 8, the downward turning buffering table I3 and the downward turning buffering table II 6 are provided with inner frame clamping grooves 12, and deformation railing inner frames 10 are movably arranged in the inner frame clamping grooves 12. One end of the inner frame 10 of the deformation handrail is rotatably connected with the side edge of the downward turning slow table I3 through the inner frame rotating shaft 14, so that the downward turning deformation handrail 5 is turned downwards through the rotation of the outer frame 8 of the deformation handrail around the rotating shafts 13 of the two slow tables. Then, the deformed handrail inner frame 10 rotates around the inner frame rotating shaft 14, so that the deformed handrail inner frame 10 obliquely swings downwards from the inner frame clamping groove 12 in the middle of the deformed handrail outer frame 8, and an escape ladder structure between the outer floor slabs 2 of each layer of wall is formed. It can be understood that, according to specific use needs, turn over down and warp under of railing 5 turn over slow platform I3 with turn over down slow platform II 6 on, be provided with folding guard flap 17 respectively, and then turn over down and warp the railing 5 upset back downwards, utilize the horizontal state turn over down two outside sides of slow platform, the folding guard flap 17 that stands up (as shown in figure 4), to the process of evacuating personnel and fleeing on the emergency ladder structure between each layer wall outer floor 2, carry out effectual safety protection, prevent the emergence of the unexpected circumstances of falling.

The inner frame 10 of the deformed railing 5 is composed of inner frame bodies 19 at two sides, and a plurality of groups of deformed pedals 11 which are arranged at equal intervals are rotatably arranged between the inner frame bodies 19 at two sides. The deformable pedal 11 is composed of a flat pedal main body 26, the left and right ends of the pedal main body 26 are respectively provided with a pedal connecting rotating shaft 27, and the front side of the pedal main body 26 is provided with a transverse baffle 29 for making the gravity center of the pedal to be forward; the pedal body 26 is further provided with a cable connecting portion 28 for connecting to the lower end of the traction cable 9 at the front portion of the end thereof near the outside. Therefore, the deformed pedals 11 are rotatably arranged between the inner frame bodies 19 at two sides of the deformed railing inner frame 10 by utilizing the pedal connecting rotating shafts 27 at two ends of the pedal main body 26, and the lower ends of the traction cables 9 are connected with the cable connecting parts 28 at the outer end parts of the pedal main body 26; by utilizing the horizontal rotation of each group of deformed pedals 11 on the deformed railing inner frame 10, a plurality of layers of stair pedals are formed on the deformed railing inner frame 10 which is arranged at the lower hem, so that the evacuees can conveniently and rapidly escape.

The inner frame body 18 of the outer frame 8 of the deformed handrail 5 is provided with a plurality of groups of guy cable retracting wheels 20, the number and the position of the groups of guy cable retracting wheels correspond to those of the deformed pedals 11 on the inner frame 10 of the deformed handrail. And, each cable take-up and pay-off runner 20 is respectively wound with traction cables 9 with different lengths, the upper end of each traction cable 9 is fixedly connected with the wheel body of the cable take-up and pay-off runner 20, and the lower end of each traction cable 9 is connected with the cable connecting part 28 of the corresponding deformation pedal 11. Each deformation pedal 11 on the inner frame 10 of the deformation handrail is respectively connected with the outer frame 8 of the deformation handrail by a traction cable 9 wound on a cable winding and unwinding rotating wheel 20; therefore, the horizontal state of the rotated deformed pedal 11 is maintained, and meanwhile, a plurality of vertically suspended traction cables 9 are utilized to form a protective cable structure at the outer side part of the inner frame 10 of the deformed handrail in an inclined state, so that the safety of evacuated people is ensured.

A downward turning railing clamping and fixing mechanism 7 is arranged between the downward turning deformation railing 5 and the fixed protection railing 4, and the downward turning railing clamping and fixing mechanism 7 comprises a plurality of groups of elastic clamping balls 15 and clamping and fixing connecting blocks 16 which are mutually clamped and connected. The clamping and fixing connecting block 16 is composed of a connecting block main body 30, and a clamping ball cavity 38 is arranged in the connecting block main body 30; one end of the connecting block main body 30 is provided with a clamping hole 32 communicated with the ball clamping cavity 38, and the other end of the connecting block main body 30 opposite to the end with the clamping hole 32 is provided with an outer frame connecting part 31. The elastic ball retainer 15 is formed by enclosing a plurality of groups of elastic steel rings 34 which are arranged at intervals, and a ball retainer telescopic sleeve 33 which is arranged along the diameter of the ball body is arranged in each elastic steel ring 34 which encloses the ball body. One end of the ball clamping telescopic sleeve 33 extending out of the elastic steel ring 34 is provided with a guard rail connecting part 35, and the ball clamping telescopic sleeve 33 is positioned at the other end inside the elastic steel ring 34 and movably inserted with a tension telescopic rod 36; a tension spring 37 is connected between the rear end of the tension telescopic rod 36 and the bottom of the inner cavity of the ball clamping telescopic sleeve 33, and the front end of the tension telescopic rod 36 extending along the diameter of the ball body is fixedly connected with each elastic steel ring 34.

Each clamping and fixing connecting block 16 is fixedly connected with the deformed railing outer frame 8 of the downward-turning deformed railing 5 through an outer frame connecting part 31; the guard rail connecting portion 35 of one end of the elastic clamping ball 15 correspondingly clamped with each clamping and fixing connecting block 16 is fixedly connected with the fixed guard rail 4, and the other end of the elastic clamping ball 15 is elastically clamped in the clamping ball cavity 38 of the clamping and fixing connecting block 16 through the clamping and fixing hole 32. With through the fixed elastic clamping ball 15 that sets up on fixed protection railing 4, with the fixed setting under turn over the elasticity joint of the solid connecting block 16 of card on the deformation railing frame 8 of deformation railing 5, will turn over down deformation railing 5 and fix on fixed protection railing 4 to turn over down deformation railing 5 under the condition that appears the conflagration, overturn downwards round the platform pivot 13 that slows at both ends. Meanwhile, the elastic clamping balls 15 are fixedly connected to the fixed guard rail 4 through the guard rail connecting part 35, and the elastic clamping balls 15 formed by enclosing the elastic steel rings 34 are reset after being stressed and deformed through the tension telescopic rods 36.

The outer teeth 25 of the pulleys are arranged on the cable take-up and pay-off pulleys 20 arranged in the outer frame body 18 of the deformed handrail outer frame 8; a long-shaped ring gear synchronous belt 21 is also arranged in the outer frame body 18 and above the cable take-up and pay-off pulley 20. Two ends of the long-strip-shaped ring gear synchronous belt 21 are respectively provided with a synchronous belt driving gear 23, and a plurality of synchronous belt driven gears 24 are arranged inside the ring gear synchronous belt 21 and between the two synchronous belt driving gears 23; and the outer gear teeth arranged on the outer side and the lower half-circle belt body of the ring gear synchronous belt 21 are respectively meshed with the outer gear 25 of the pulley of each cable take-up and pay-off pulley 20. Meanwhile, the rotation center of the synchronous belt driving gear 23 of the ring gear synchronous belt 21 is connected with a synchronous belt driving rotating shaft 41 which is horizontally and transversely arranged; the end part of the synchronous belt driving rotating shaft 41 is meshed with a return driving bevel gear 40 arranged on the lower slowly-turning table I3 and the lower slowly-turning table II 6 through a return driven bevel gear 42, and an inner frame return rotating handle 39 is further arranged on a driving shaft of the return driving bevel gear 40. So as to drive the return driving bevel gear 40 to drive the return driven bevel gear 42 to rotate by utilizing the inner frame return rotating handle 39; and then drive the rotation of hold-in range driving gear 23 through hold-in range drive pivot 41, order about ring gear hold-in range 21 and rotate, thereby utilize the outer teeth of a cogwheel of ring gear hold-in range 21 outside lower part, come the inside each cable of one-way drive deformation railing frame 8 receive and release runner 20 counter-rotation, withdraw each different traction cable 9 of length one by one, in order to drive deformation railing inside casing 10 upwards to rotate back the inside casing draw-in groove 12 of deformation railing frame 8, be convenient for turn over down the restoration of deformation railing 5 after the conflagration.

When the novel escape railing device is used, the downwards-turning deformation railing 5 is clamped and fixed with the connecting block 16 through the deformation railing outer frame 8, the movable clamp is connected to the elastic clamping ball 15 of the fixed protection railing 4, and at the moment, the escape railing device is used as a daily protection railing of an external wall floor 2 (as shown in figure 1). When a fire disaster occurs and evacuation personnel need to escape from the outer wall floor 2, the downward-turning deformed handrail 5 is turned downwards around the slow platform rotating shafts 13 at the two ends by external force; at the same time, the fastening connection block 16 on the outer frame 8 of the deformed balustrade is completely separated from the elastic fastening ball 15 on the fixed guard rail 4 (as shown in fig. 2). After the downward-turning deformed handrail 5 is turned downwards to a horizontal position, the inner frame 10 of the deformed handrail swings downwards in an inclined manner around the inner frame rotating shaft 14 at the upper end of the inner frame by means of gravity from the inner frame clamping groove 12 in the middle of the outer frame 8 of the deformed handrail; thereby forming an escape ladder structure (shown in fig. 3) between the wall outer floors 2. And, receive and release the traction cable 9 of winding different length on runner 20 through each cable that sets up on the railing frame 8 that warp, a plurality of groups that the pulling set up on the railing inner frame 10 warp footboard 11 and rotate the horizontality, promptly: a plurality of layers of stair treads are formed on the inner frame 10 of the deformed railing of the lower hem. Then, the evacuees enter the inner frame 10 of the inclined downward swinging deformed railing from the downward overturning slowing table I3 through the inner frame clamping groove 12 of the outer frame 8 of the deformed railing; and then the escape system sequentially passes through the deformation pedals 11 of each step to the downward overturning buffering platform II 6 of the downward overturning deformation railing 5 of the outer wall floor 2 of the lower floor layer to reach the next floor layer, so that the escape personnel can safely and rapidly escape.

Claims (10)

1. The utility model provides a novel railing of fleing device, includes the outer wall floor (2) that set up on building outer wall body (1), its characterized in that: the outer side edges of the outer floor slabs (2) of each layer of wall are respectively provided with a fixed guard rail (4), and the outer sides of the fixed guard rails (4) are movably provided with downward-turning deformation rails (5); a downward turning railing clamping mechanism (7) is arranged between the downward turning deformation railing (5) and the fixed guard railing (4).

2. The novel escape railing device of claim 1, wherein: the downward turning deformation railing (5) is composed of a deformation railing outer frame (8), two ends of the deformation railing outer frame (8) are respectively provided with a downward turning slow platform I (3) and a downward turning slow platform II (6), and the lower end parts of the downward turning slow platform I (3) and the downward turning slow platform II (6) are respectively in rotating connection with the edge of the outer wall floor slab (2) through slow platform rotating shafts (13); the middle part of the deformation railing outer frame (8), the downward overturning buffering platform I (3) and the downward overturning buffering platform II (6) are provided with inner frame clamping grooves (12), a deformation railing inner frame (10) is movably arranged in the inner frame clamping grooves (12), and one end of the deformation railing inner frame (10) is connected with the side edge of the downward overturning buffering platform I (3) in a rotating mode through an inner frame rotating shaft (14).

3. The novel escape railing device of claim 2, wherein: the deformation railing inner frame (10) is composed of inner frame bodies (19) on two sides, and a plurality of groups of deformation pedals (11) which are arranged at equal intervals are rotatably arranged between the inner frame bodies (19) on the two sides.

4. The novel escape railing device of claim 3, wherein: the deformation handrail outer frame (8) is composed of an outer frame body (18), and a plurality of groups of inhaul cable retracting rotating wheels (20) with the quantity and the positions corresponding to those of the deformation pedals (11) are arranged in the outer frame body (18); meanwhile, traction cables (9) with different lengths are respectively wound on each cable take-up and pay-off rotating wheel (20), the upper ends of the traction cables (9) are fixedly connected with the wheel bodies of the cable take-up and pay-off rotating wheels (20), and the lower ends of the traction cables (9) are connected with corresponding deformation pedals (11).

5. The novel escape railing device of claim 4, wherein: the deformable pedal (11) is composed of a pedal main body (26), pedal connecting rotating shafts (27) are respectively arranged at the left end and the right end of the pedal main body (26), and a cable connecting portion (28) is arranged at one end, close to the outer side, of the pedal main body (26).

6. The novel escape railing device of claim 2, wherein: the downward turning railing clamping mechanism (7) comprises a plurality of groups of elastic clamping balls (15) which are clamped with each other and a clamping and fixing connecting block (16), the clamping and fixing connecting block (16) is composed of a connecting block main body (30), a clamping ball cavity (38) is arranged in the connecting block main body (30), a clamping and fixing hole (32) communicated with the clamping ball cavity (38) is formed in one end of the connecting block main body (30), and an outer frame connecting part (31) is arranged at the other end, opposite to the end with the clamping and fixing hole (32), on the connecting block main body (30); the clamping and fixing connecting blocks (16) are fixedly connected with a deformation railing outer frame (8) of the downward-turning deformation railing (5) through outer frame connecting parts (31), one ends of elastic clamping balls (15) corresponding to the clamping and fixing connecting blocks (16) are fixedly connected with the fixed protection railing (4), and the other ends of the elastic clamping balls (15) are elastically clamped in clamping ball cavities (38) of the clamping and fixing connecting blocks (16) through clamping and fixing holes (32).

7. The novel escape railing device of claim 6, wherein: the elastic clamping ball (15) is formed by enclosing a plurality of groups of elastic steel rings (34) which are arranged at intervals, and a clamping ball telescopic sleeve (33) which is arranged along the diameter of the ball body is arranged in each elastic steel ring (34) which encloses the sphere; the one end that card ball telescope tube (33) stretched out the elasticity steel loop (34) outside is provided with guard rail connecting portion (35), and card ball telescope tube (33) are located the inside other end of elasticity steel loop (34), and the activity is pegged graft and is had tension telescoping rod (36), is connected with tension spring (37) between the rear end of tension telescoping rod (36) and card ball telescope tube (33) inner chamber bottom, and the front end of tension telescoping rod (36) then links to each other with each elasticity steel loop (34) is fixed.

8. The novel escape railing device of claim 2, wherein: the downward overturning buffering platform I (3) and the downward overturning buffering platform II (6) of the downward overturning deformation railing (5) are respectively provided with a folding protective baffle (17).

9. The novel escape railing device of claim 4, wherein: the outer teeth (25) of the wheels are arranged on each cable take-up and pay-off wheel (20) arranged in the outer frame body (18) of the deformation handrail outer frame (8), meanwhile, a ring gear synchronous belt (21) is arranged in the outer frame body (18) and above the cable take-up and pay-off wheels (20), two ends of the ring gear synchronous belt (21) are respectively provided with a synchronous belt driving gear (23), and a plurality of synchronous belt driven gears (24) are arranged in the ring gear synchronous belt (21) and between the two synchronous belt driving gears (23); and the outer gear teeth at the lower part of the outer side of the ring gear synchronous belt (21) are respectively meshed with the outer gear teeth (25) of the pulley of each cable take-up and pay-off pulley (20).

10. The novel escape railing device of claim 9, wherein: the rotary center of a synchronous belt driving gear (23) of the ring gear synchronous belt (21) is connected with a synchronous belt driving rotating shaft (41), the end part of the synchronous belt driving rotating shaft (41) is meshed with a return driving bevel gear (40) through a return driven bevel gear (42), and an inner frame return rotating handle (39) is arranged on a driving shaft of the return driving bevel gear (40).

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