Escape slow descending device with brake structure

Abstract

The invention provides an escape slow descending device with a brake structure, and relates to the technical field of escape devices.The escape slow descending device comprises a fixing part, an inhaul cable assembly and a brake mechanism, the inhaul cable assembly and the brake mechanism are arranged on the fixing part, and the fixing part is arranged on the vertical face of a building or an escape platform; the brake mechanism comprises a brake rope, a handheld part, a storage disc, an operating part, a brake part and a connecting part; during escape, a user descends to escape through the inhaul cable assembly, meanwhile, the user carries the handheld part, the storage disc freely rotates in the handheld part, the brake rope is released, when braking is needed, the operation piece is pressed, the brake piece is made to abut against the storage disc, rotation of the storage disc is hindered, then the brake rope is not released any more, and the user achieves braking through the brake rope. A user controls the descending speed through the brake mechanism to achieve soft landing, or stops descending at any time through the brake mechanism to descend to a proper floor, and therefore safe and rapid escape is achieved.

Description

[0001] This application claims the priority of the Chinese patent application filed with the Chinese Patent Office on January 17, 2024, with application number 202420117357.7 and invention name “A kind of escape platform and slow descent device”, the entire contents of which are incorporated by reference in this application. Technical Field

[0002] The present application relates to the technical field of escape devices, and in particular to an escape slow descent device with a braking structure. Background Art

[0003] When dangerous situations occur in high-rise buildings, people inside the building are often unable to escape quickly, especially in scenarios such as fires. The elevators inside the building cannot be used or are not suitable for use, and the speed and capacity of safety passages (stairs) are low, which greatly delays the escape of people and easily creates serious safety hazards.

[0004] The existing high-rise escape equipment has a descent speed that is difficult to control and cannot be stopped at any time to land on a suitable floor. It is difficult for users to achieve safe and rapid escape when descending from a high-rise building. Summary of the invention

[0005] The embodiment of the present application provides an escape slow descent device with a braking structure. The slow descent device is fixed on a building. The user descends slowly through a cable assembly and controls the descent speed through a brake mechanism to achieve a soft landing, or stops the descent at any time through the brake mechanism to descend to a suitable floor. The present application solves the problem of existing high-rise escape equipment that the descent speed is difficult to control and the descent cannot be stopped at any time to descend to a suitable floor, making it difficult for users to achieve safe and rapid escape when descending from a high floor.

[0006] The embodiment of the present application provides an escape slow descent device with a braking structure, including a fixing portion and a cable assembly and a braking mechanism arranged on the fixing portion;

[0007] The fixing part is arranged on the building facade or the escape platform;

[0008] The brake mechanism includes a brake rope, a handheld part, a storage disk, an operating part, a brake part and a connecting part;

[0009] The connecting part is arranged on the wall or the escape platform or the fixed part, one end of the brake rope is connected to the connecting piece, and the other end is wound on the storage disk, and the storage disk is rotatably arranged in the handheld part;

[0010] The operating member is disposed on the handheld portion, one end of the operating member is connected to the brake member located in the handheld portion, and the other end of the operating member extends out of the handheld portion;

[0011] The operating member is used to make the brake member abut against the storage disk to prevent the storage disk from rotating.

[0012] In a feasible implementation, the escape and descent control device further includes a rotating member, and the cable assembly directly or indirectly drives the rotating member to rotate synchronously;

[0013] The connecting part includes a brake component and a brake device;

[0014] The braking component is arranged on the fixing part or the escape platform, one end of the braking rope is connected to one end of the braking component, and the braking device is connected to the other end of the braking component;

[0015] When the brake rope is pulled, the brake component causes the brake device to abut against the outer wall of the rotating member to prevent the rotating member from rotating, or the brake component and the brake device clamp the cable of the cable assembly to prevent the cable assembly from being released.

[0016] In a feasible implementation, the escape slow descent device further includes a rotating shaft;

[0017] The rotating shaft is rotatably connected to the fixing portion, and the cable assembly is fixedly connected to the rotating shaft;

[0018] When the escapee descends through the cable assembly, the cable assembly drives the rotating shaft to perform a first rotational motion.

[0019] In a feasible implementation, the rotating member is the rotating shaft, and the outer wall of the rotating shaft is provided with anti-slip grooves;

[0020] When the brake rope is pulled, the brake component causes the brake device to abut against the outer wall of the rotating shaft to prevent the rotating shaft and the cable assembly from rotating.

[0021] In a feasible implementation, the rotating member is a brake disc, the brake disc is fixedly connected to the rotating shaft and is coaxially arranged, and the brake disc and the rotating shaft rotate in the same direction and at the same speed;

[0022] When the brake rope is pulled, the brake component causes the brake device to abut against the outer wall of the brake disc to prevent the rotation of the rotating shaft and the cable assembly.

[0023] In a feasible implementation, the cable assembly includes a cable and a rotating disk;

[0024] The rotating disk is sleeved on the rotating shaft and fixedly connected to the rotating shaft, and the cable is wound around the rotating disk;

[0025] When the escapee descends through the cable, the cable drives the rotating disk and the rotating shaft to perform the first rotational motion.

[0026] In a feasible implementation, the escape slow descent device is a reciprocating cycle escape slow descent device, and the rotating shaft of the reciprocating cycle escape slow descent device is provided with two rotating disks and two braking mechanisms;

[0027] The cables are wound around the two rotating disks, and the winding directions of the two cables are opposite.

[0028] In a feasible implementation, the reciprocating cycle escape slow descent device further includes a cable storage mechanism, and the cable storage mechanism includes a connecting frame and a storage disk;

[0029] The connecting frame is fixed on the wall or the fixing part, and the storage disk is rotatably connected to the connecting frame;

[0030] One end of the cable is wound around the rotating disk, and the other end of the cable is wound around the storage disk.

[0031] In a feasible implementation, the reciprocating cycle escape slow descent device further includes:

[0032] A friction ring sleeved on the rotating shaft, wherein the friction ring is connected to the fixing part;

[0033] A damping mechanism is disposed between the friction ring and the rotating shaft, and is used for applying a reverse force to the rotating shaft to hinder the first rotational motion.

[0034] In a feasible implementation, the reciprocating cycle escape slow descent device further includes a slow release mechanism, and the slow release mechanism includes:

[0035] a friction plate fixed on the fixing portion;

[0036] A moving member disposed on the rotating shaft;

[0037] a friction disc located between the friction plate and the moving member;

[0038] A second elastic member is disposed between the moving member and the friction disk, and two ends of the second elastic member in a contraction direction are respectively in contact with the moving member and the friction disk;

[0039] The second elastic member is always in a compressed state, and the friction disc abuts against the friction plate.

[0040] An embodiment of the present application provides an escape slow descent device with a braking structure, which includes a fixed part, a cable assembly and a brake mechanism arranged on the fixed part; when escaping, the user descends to escape via the cable assembly, and at the same time, the user carries the handheld part, and the storage disk rotates freely in the handheld part to release the brake rope. When braking is required, the operating part is pressed to make the brake part abut the storage disk, hindering the rotation of the storage disk, so that the brake rope is no longer released, and the user brakes via the brake rope; the user controls the descent speed via the brake mechanism to achieve a soft landing, or stops the descent at any time via the brake mechanism and lands at a suitable floor, thereby achieving a safe and rapid escape. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A first schematic diagram of an escape platform provided in an embodiment of the present application;

[0042] Figure 2 A second schematic diagram of an escape platform provided in an embodiment of the present application;

[0043] Figure 3 A third schematic diagram of an escape platform provided in an embodiment of the present application;

[0044] Figure 4 A fourth schematic diagram of an escape platform provided in an embodiment of the present application;

[0045] Figure 5 A fifth schematic diagram of an escape platform provided in an embodiment of the present application;

[0046] Figure 6 A sixth schematic diagram of an escape platform provided in an embodiment of the present application;

[0047] Figure 7 A seventh schematic diagram of an escape platform provided in an embodiment of the present application;

[0048] Figure 8 A schematic diagram of the structure of an escape and descent control device with a braking structure provided in this application;

[0049] Fig. 9 A schematic diagram of the structure of another escape and descent control device with a braking structure provided in the present application;

[0050] Fig.10 A schematic diagram of the structure of another escape and descent control device with a braking structure provided in the present application;

[0051] Fig.11 A schematic diagram of the structure of a reciprocating cycle escape slow descent device provided in this application;

[0052] Fig.12A schematic diagram of the structure of another reciprocating cycle escape slow descent device provided in this application.

[0053] Description of reference numerals:

[0054] 1-fixed frame; 11-side frame; 111-first accommodating space; 112-second accommodating space; 12-second sealing body; 13-second locking part; 1731-hinge structure; 2-manual switch; 21-protection structure; 3-recovery device; 4-carrying platform; 41-first sealing body; 42-first locking part; 5-slant-stayed component; 6-guardrail; 7-centrifugal descending device; 771-descending rope; 772-connecting end; 8-connecting part; 9-fireproof and heat-insulating curtain;

[0055] 710-fixing part; 720-rotating shaft; 730-cable assembly; 740-friction ring; 750-damping mechanism; 760-brake mechanism; 770-slow release mechanism;

[0056] 731-pull cable; 732-turntable; 751-first guide member; 752-friction block; 753-first elastic member; 761-brake rope; 762-hand-held part; 763-storage disk; 764-operating member; 765-brake member; 766-brake component; 767-brake device; 768-brake disc; 771-friction plate; 772-moving member; 773-friction disc; 774-second elastic member. DETAILED DESCRIPTION

[0057] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0058] An escape platform is a structure that can be opened on each floor of a building to form an escape platform on the exterior wall when a dangerous situation occurs. Existing buildings are usually equipped with casement, sliding, top-hung and bottom-hung windows for lighting and ventilation, but because the windows have small opening panels and small opening areas, they cannot form a platform for people to gather after opening, which greatly reduces the chances of trapped people escaping.

[0059] The escape platform involved in the present application can be set at a position on each floor of the building that is convenient for escape. When closed, the platform can be used as a part of the building itself, and can also be used to realize functions such as window lighting, ventilation and smoke exhaust. When opened, a platform can be formed on the facade of the building with a certain carrying capacity. Escaping personnel can gather on the platform and wait for rescue, or use a centrifugal descent device to descend to a safe position to escape danger.

[0060] like Figure 1-Figure 7 The escape platform provided in the embodiment of the present application is installed in the opening of the building, and at the same time, it is necessary to ensure that the position of the escape platform meets the requirements of the building's facade effect. The escape platform includes a bearing platform 4 and a fixed frame 1, and the fixed frame 1 is set on the opening opened on the facade of the building. The bearing platform 4 and the fixed frame 1 are movably connected. A manual switch 2 is provided on one side of the fixed frame 1 in the room, and the manual switch 2 is provided with a protective structure 21. Under normal circumstances, the manual switch 2 is sealed inside the protective structure 21 to prevent the manual switch 2 from being accidentally touched. When in use, the manual switch 2 can be operated by opening or removing the protective structure 21.

[0061] A first sealing body 41 is arranged in the frame around the carrying platform 4. When the carrying platform 4 is in a closed state, the first sealing body 41 is squeezed and sealed with a second sealing body 12 arranged on the inner side of the fixed frame 1. A guardrail 6 is arranged on the carrying platform 4. The guardrail 6 is located at the edge of the carrying platform 4 and is foldably hidden in the first accommodating space 111 of the two side frames 11 of the fixed frame 1, and is foldably hidden in the second accommodating space 112 of the upper frame of the fixed frame.

[0062] The diagonal member 5 is arranged between the two side edges of the supporting platform 4 and the two side frames 11 of the fixed frame 1, and the diagonal member 5 is hidden in the first accommodating space 111 of the two side frames 11 of the fixed frame 1; a first locking portion 42 is provided on the frame of the supporting platform 4, and the first locking portion 42 and the second locking portion 13 provided on the frame of the fixed frame form a locked state.

[0063] After the carrying platform 4 is opened by the manual switch 2, the carrying platform 4 is connected to the lower frame of the fixed frame 1, so that the carrying platform 4 is rotated toward the outdoor side and opened to the set position and stops. Specifically, the connection and rotation can be achieved through the hinge structure 131. When the carrying platform 4 is in the open state, people need to gather on the carrying platform 4 when escaping, and the carrying platform 4 should have a certain carrying capacity.

[0064] In order to ensure the safety of the escapees, the load-bearing platform 4 forms a cantilever structure with the wall after it is opened. The higher the escape hole is set and the longer the cantilever of the cantilever structure is, the more unfavorable it is to the load-bearing capacity of the load-bearing platform 4. Therefore, after the load-bearing platform 4 is opened, inclined-stayed components 5 connected to the load-bearing platform 4 are provided on both sides of the fixed frame 1 to enhance the load-bearing strength of the load-bearing platform 4.

[0065] The inclined component 5 can be a rod-type structure and be provided with a limit device, so that the inclined component 5 can run in a specified direction when the load-bearing platform 4 returns to a closed state, and the inclined component 5 can be located in a first accommodating room provided by the load-bearing platform 4 or the fixed frame 1; the inclined component 5 can also be a telescopic component, which extends or retracts to a set direction or a set position when the load-bearing platform 4 is opened, and the telescopic component is located in the accommodating space of the load-bearing platform 4 or the fixed frame 1 when the load-bearing platform 4 returns to a closed state; the inclined component 5 can also be a rope-type or chain-type component, and when the load-bearing platform 4 is in an open state, the rope-type or chain-type component extends to a set position and stops running, and a counterweight structure or a friction structure can be provided at one end of the rope-type or chain-type component to enable the load-bearing platform 4 to open slowly.

[0066] At this time, the load-bearing platform 4 has an escape function, but in order to ensure that the escapees on the load-bearing platform 4 do not fall, when the load-bearing platform 4 is in the open state, a safety guardrail 6 can be set on the side of the load-bearing platform 4 that is not connected to the wall. When the load-bearing platform 4 is opened, the guardrail 6 automatically rises to improve the safety of the load-bearing platform 4. A spring pneumatic telescopic device is provided between the load-bearing platform 4 and the guardrail 6. During the opening process of the load-bearing platform 4, under the pulling force or thrust of the spring pneumatic telescopic device, the guardrail 6 rises to a set height and locks. A gap is provided at the guardrail position of the load-bearing platform for escapees to use. After wearing the escape equipment, the escapees can escape safely through the gap without climbing over the guardrail to escape. The number and position of the gap can be set according to the usage. A railing is provided at the gap position. Before using the gap, the railing is manually opened to escape.

[0067] The fixed frame 1 is also provided with a connecting portion 8 of a backpack type centrifugal descent control device. When the escapee puts on the escape backpack, the descent cable of the backpack type centrifugal descent control device is connected to the connecting portion 8, and the lifting and lowering of the backpack type centrifugal descent control device is achieved through the descent cable. Specifically, after the escapee puts on the backpack type centrifugal descent control device, the connection end of the descent control cable is connected to the connection end of the connection part 8. In actual use, the backpack type centrifugal descent control device realizes descent under a certain gravity through the friction part. The descent control cable is stored in a winch connected to the friction part. The entire component is installed in the backpack. The connection end of the descent control cable extends out of the backpack and is connected to the connection part 8 provided on the fixed frame 1. The escapee can escape after fixing the backpack type centrifugal descent control device to the body through a safety belt. The friction force of the friction part is adjustable, and the adjustment of the friction force can change the descent speed; the backpack type centrifugal descent control device can be provided with a descent stop device, which is manually controlled. The descent stop device can increase the friction force by squeezing the friction part through the squeezing structure, and stop descending when the friction force is greater than the gravity; it can also increase the friction force by squeezing the descent control cable through the squeezing structure, and stop descending when the friction force is greater than the gravity.

[0068] The escape platform is also provided with a recovery device 3, which is arranged on the fixed frame 1. After the carrying platform 4 is opened to complete the escape task, the various functions and components of the carrying platform 4 are checked. When the various functions and components of the carrying platform 4 are checked to be intact, the recovery device 3 can be used to manually restore the carrying platform 4 to a closed state from the indoor side, and the locking is achieved through the locking structure arranged on the fixed frame 1 and the carrying platform 4. After the carrying platform 4 is restored to its initial state, the carrying platform 4 can still be reused.

[0069] Specifically, a rope-like component can be used to connect the recovery device 3 and the carrying platform 4, that is, one end of the rope-like component is connected to the carrying platform 4, and the other end is connected to the rope pulley of the recovery device 3, and the rope pulley is controlled by the one-way movement principle of the pawl, that is, the tool corresponding to the pawl can be used to rotate the rope pulley, so that the rope-like component is wound around the rope pulley, and the carrying platform 4 is pulled back to its initial state; chain-like components can also be used, and the chain cooperates with the sprocket, and the chain is contracted by rotating the sprocket, and the contracted chain enters the set accommodating space, pulling the carrying platform 4 back to its initial state, closed state, and locked; a screw rod structure can also be used to achieve recovery, and the screw rod is rotated to make the nut connected to the screw rod move in a straight line, and the nut rope component, chain component or connecting rod component is connected to the escape platform, and the nut runs in the set direction to restore the escape platform to its initial state and lock it.

[0070] The escape platform can also be provided with a centrifugal slow-descent device 7, and escape can be achieved through the centrifugal slow-descent device 7. When in use, the escapee needs to wear an escape safety harness, and after putting on the harness, the harness is connected to the slow-descent rope 71 of the centrifugal slow-descent device 7, and the escapee can slowly descend to a safe position or the ground to escape; the centrifugal slow-descent device 7 is arranged on the indoor wall, and the number can be set to multiple, and the connecting end for connecting with the safety harness worn by the escapee extends out of the outdoor side, so that the escapee can wear the safety harness and connect to the connecting end of the centrifugal slow-descent device to escape quickly.

[0071] The centrifugal slow-descent device 7 can also be arranged on the fixed frame 1, and the number can be set to multiple. The connecting end 72 of the centrifugal slow-descent device 7 arranged on the fixed frame 1 also extends out of the outside of the room to facilitate the escapee to escape quickly.

[0072] The centrifugal descent device 7 can also be arranged separately from the supporting platform 4. For example, a first connecting part and a third locking part connected to the centrifugal descent device 7 are provided on the fixed frame 1 or the supporting platform 4, and the number of the first connecting part and the third locking part are at least one. After the supporting platform 4 is opened, the escapee fixes the centrifugal descent device 7 to the first connecting part and locks it through the third locking part. After the escapee puts on the safety harness, the safety harness will be connected to the connecting end 72 of the centrifugal descent device. It should be noted that the number of the above-mentioned first connecting part and the third locking part is set to multiple. In actual use, it is not necessary to use multiple first connecting parts and third locking parts at the same time to realize the escape function. Instead, one escape or one escapee only needs to use a pair of first connecting parts and third locking parts. Setting multiple first connecting parts and third locking parts is convenient for the escapee to fix the safety harness on the one hand, and convenient for multiple escapees to escape at the same time on the other hand.

[0073] The centrifugal slow-descent device 7 can also be set as a reciprocating operation structure. For example, each centrifugal slow-descent device 7 is provided with two second connection parts, and the two second connection parts cannot be used at the same time. When escaping, the first escapee first uses one of the second connection parts to descend to a safe place or the ground, and then takes off the escape harness. At this time, the person to be escaped on the supporting platform 4 can use the other second connection part to descend. When the second person to be escaped descends, the connection end 72 used by the first escapee is recovered with the escape harness to the initial position on the supporting platform 4, and can be used again by the escapee. In this way, in the subsequent escape process of the escapee, there is no need to perform repeated fixing work, and the person only needs to put on the escape harness to quickly escape from the dangerous environment.

[0074] The escape platform can also be provided with a fireproof heat-insulating curtain 9, which is arranged on the indoor side of the upper frame of the fixed frame 1, and the guide limiter of the fireproof heat-insulating curtain 9 is arranged on the indoor side of the side frame 11 of the fixed frame 1. After the escapee reaches the bearing platform 4, the fireproof heat-insulating curtain 9 can be manually pulled down, thereby forming a partition seal between the bearing platform 4 and the indoor side of the building. At this time, if there are still people in the room who have not escaped to the bearing platform 4, the fireproof heat-insulating curtain 9 can also be opened from the indoor side. After reaching the bearing platform 4, the fireproof heat-insulating curtain 9 can be closed again to form a partition layer, making the bearing platform 4 space safer to gain more escape time.

[0075] The fireproof heat-insulating curtain 9 is rotated and retracted under the axis of the accommodating space by spring force. When the downward pulling force is greater than the spring force, the heat-insulating curtain moves downward along the guide limiters on both sides to the set position. A locking structure is provided at the set position. This locking structure can be opened from both indoor and outdoor sides, so that people who have not escaped to the escape platform can continue to hide and escape.

[0076] It should be noted that the centrifugal descent device 7 provided in the embodiment of the present application can also be used alone, and is not limited to construction scenes, but can also be used in other scenes with height differences, such as tower cranes, mountains, bridges, mines or ships.

[0077] Based on the above escape platform, the specific structure of the centrifugal slow descent device 7 is described in detail as follows.

[0078] Reference Figure 8-Figure 10 As shown, the embodiment of the present application provides an escape slow descent device with a braking structure, the slow descent device includes a fixing portion 710, a cable assembly 730 and a brake mechanism 760 arranged on the fixing portion 710, the user can slow down the descent through the cable assembly 730, control the descent speed through the brake mechanism 760, and achieve a soft landing, or stop the descent at any time through the brake mechanism 760 and land at a suitable floor;

[0079] like Figure 8 As shown, the fixing portion 710 may be a metal connection seat, which includes a horizontally arranged fixing plate and a vertically arranged connection plate. The fixing plate may be fixed on a building facade or an escape platform, and a plurality of connection plates are vertically arranged on the fixing plate;

[0080] The brake mechanism 760 includes a brake rope 761, a hand-held portion 762, a storage disk 763, an operating member 764, a brake member 765, and a connecting portion;

[0081] The connection part is arranged on a wall or an escape platform, one end of the brake rope 761 is connected to the connection piece, and the other end is wound around the storage disk 763, and the storage disk 763 is rotatably arranged in the handheld part 762;

[0082] The brake member 765 may be a brake pad, and the operating member 764 may be a button. The operating member 764 is disposed on the handheld portion 762, and one end of the operating member 764 is connected to the brake member 765 located in the handheld portion 762, and the other end of the operating member 764 extends out of the handheld portion 762;

[0083] The operating member 764 is used to make the brake member 765 abut against the storage disk 763 to prevent the storage disk 763 from rotating;

[0084] When the user descends through the cable assembly 730, he carries the handheld part 762, and the storage disk 763 rotates freely, releasing the brake rope 761. When braking is needed, the operating part 764 is pressed to make the brake part 765 abut against the storage disk 763, thereby preventing the storage disk 763 from rotating, and the brake rope 761 is no longer released. The user achieves braking through the brake rope 761 of a fixed length.

[0085] like Figure 8-Figure 10As shown, in one embodiment, the escape and descent control device further includes a rotating member, and the cable assembly 730 directly or indirectly drives the rotating member to rotate synchronously;

[0086] The connecting part includes a brake component 766 and a brake device 767;

[0087] The brake component 766 is disposed on the fixed portion 710 or the escape platform, one end of the brake rope 761 is connected to one end of the brake component 766, and the brake device 767 is connected to the other end of the brake component 766;

[0088] The brake component 766 may be a seesaw structure, the seesaw has a first end and a second end opposite to each other, the brake device 767 may be an arc-shaped brake pad, matched with the rotating member, the brake device 767 is arranged on the upper surface of the first end of the seesaw, and the top end of the brake rope 761 is connected to the lower surface of the second end of the seesaw; when the operating member 764 is pressed to brake, the pulling force of the brake rope 761 on the second end of the seesaw increases, so that the first end of the seesaw is lifted, and the brake device 767 moves upward and abuts against the outer wall of the rotating member to prevent the rotating member from rotating, thereby preventing the cable assembly 730 from rotating and releasing;

[0089] During the descent, when the escapee is about to descend to the safe floor, the operating member 764 is manually pressed, the brake member 765 stops the storage disk 763 from rotating, and the brake rope 761 is tightened. Under the pull of the brake rope 761, the brake member 766 drives the brake device 767 to stop the rotating member from rotating, so that the cable assembly 730 stops rotating. The escapee can stop at the selected safe floor and use the safety hammer in the protective gear bag to break the window and escape to the safe floor.

[0090] like Fig.10 As shown, the cable of the cable assembly 13 extends downward, and the brake component 766 and the brake device 767 are both arranged on the fixing portion 710 and are respectively located on the left and right sides of the cable, wherein;

[0091] The brake device 767 may be a fixed clamping block, and the side of the fixed clamping block facing the cable is a first clamping surface;

[0092] The brake component 766 may be composed of a connecting rod structure and a movable clamping block, the brake rope 761 is connected to one end of the connecting rod structure, the other end of the connecting rod structure is connected to the movable clamping block, and the side of the movable clamping block facing the cable is the second clamping surface;

[0093] When the brake rope 761 is pulled downward, the connecting rod structure drives the movable clamping block to move toward the cable side, so that the brake component 766 and the brake device 767 clamp the cable, that is, the first clamping surface and the second clamping surface clamp the cable, so that the cable reduces the downward movement speed or stops moving downward, and the cable assembly 730 is slowly released or no longer released, thereby achieving the effect of deceleration or braking.

[0094] In one embodiment, the escape slow descent device further includes a rotating shaft 720;

[0095] The rotating shaft 720 penetrates through the multiple fixing plates of the fixing part 710 and is rotatably connected to the fixing part 710. The cable assembly 730 is fixedly connected to the rotating shaft 720. The cable assembly 730 and the rotating shaft 720 rotate synchronously.

[0096] When the escapee descends through the cable assembly 730 to escape, the cable assembly 730 drives the rotating shaft 720 to perform a first rotational motion, and the first rotational motion can be a clockwise rotational motion.

[0097] like Figure 8 As shown, in one embodiment, the rotating member is a rotating shaft 720, the outer wall of the rotating shaft 720 is provided with anti-skid grooves, and the brake device 767 is an arc-shaped brake pad matching the rotating shaft 720;

[0098] When the brake rope 761 is pulled, the brake component 766 causes the brake device 767 to abut against the outer wall of the rotating shaft 720 to prevent the rotating shaft 720 and the cable assembly 730 from rotating.

[0099] like Fig. 9 As shown, in one embodiment, the rotating member is a brake disc 768, which may be a disc-shaped or cylindrical structure. The brake disc 768 is fixedly connected to the rotating shaft 720 and is coaxially arranged, that is, the brake disc 768 rotates synchronously with the rotating shaft 720 in the same direction;

[0100] During the descent, the cable assembly 730 drives the shaft 720 and the brake disc 768 to perform a first rotational motion. When the escapee is about to descend to the safe floor, the brake handle is manually pulled, the brake stops the storage disc from rotating, the brake rope is tightened, and the brake component 766 drives the brake device 767 to abut against the brake disc 768 under the pull of the brake rope 761, preventing the brake disc 768 from moving, thereby stopping the shaft 720 and the cable assembly 730 from running, and the escapee can stop at the selected safe floor and use the safety hammer in the protective gear bag to break the window and escape to the safe floor.

[0101] Reference Figure 8 As shown, in some embodiments, the cable assembly 730 includes a cable 731 and a rotating disk 732;

[0102] The rotating disk 732 is sleeved on the rotating shaft 720 and is rotatably connected to the rotating shaft 720. The side wall of the rotating disk 732 is fixedly connected to the end of the friction ring 740. The rotating disk 732 and the friction ring 740 rotate in the same direction and at the same speed.

[0103] The cable 731 may be a pull rope, the cable 732 is wound around the rotating disk 732, and a connecting ring is provided at the outer end of the cable 731;

[0104] When the escapee descends through the cable 731 , the cable 731 drives the rotating disk 732 and the friction ring 740 to perform a first rotational motion.

[0105] In one embodiment, referring to Fig.11 As shown, in some embodiments, the escape slow descent device is a reciprocating cycle escape slow descent device, and two rotating disks 732 and two brake mechanisms 760 are provided on the rotating shaft 720 of the reciprocating cycle escape slow descent device;

[0106] A cable 731 is wound around each of the two rotating disks 732 , and the winding directions of the two cables 731 are opposite.

[0107] In some embodiments, the reciprocating cycle escape slow descent device further includes a cable storage mechanism, the cable storage mechanism including a connecting frame and a storage disk;

[0108] The connecting frame can be a U-shaped frame, which is fixed on the wall or the fixed part 710, and the storage disk is rotatably connected to the connecting frame; one end of the cable 731 is wound around the rotating disk 732, and the other end of the cable 731 is wound around the storage disk.

[0109] like Fig.11 As shown, the cable storage mechanism is arranged on the right side of the rotating shaft 720, and cooperates with the right rotating disk 732. In the initial state, the left cable 731 is wound around the left rotating disk 732, and the right cable 731 is wound around the storage disk. When the escapee descends through the left cable 731, the rotating shaft 720 drives the right rotating disk 732 to rotate, so that the right cable 731 is wound around the right rotating disk 732 and separated from the storage disk, and the person can descend through the right cable 731 to escape;

[0110] By arranging two rotating disks 732 and two brake mechanisms 760 on the rotating shaft 720, both the left and right sides of the slow-descending device can be used for personnel escape;

[0111] When a person on the left side escapes and descends, the left cable 731 is released and moves downward, driving the left turntable 732 to rotate clockwise, and the shaft 720 rotates counterclockwise. The shaft 720 drives the right turntable 732 to rotate clockwise, so that the right cable 731 is wound around the right turntable 732;

[0112] After the person on the left descends to the safe area, he unfastens the protective gear bag and escapes. At this time, the protective gear bag on the left is connected to the left cable 731. After the person on the right escapes wears the protective gear bag, he connects the other protective gear bag connection end to the end of the right cable 731 with the quick-connect ring, and connects the protruding end of the brake rope on the protective gear bag to the right brake component of the right brake device to descend and escape. When the right cable 731 is pulled down, the right turntable rotates to drive the rotating shaft 720 to rotate clockwise, and the rotating shaft 720 drives the left turntable 732 to rotate counterclockwise, so that the left cable 731 is wound around the left turntable 732, and the protective gear bag on the left is also brought to the escape position. It can be reused for multiple people to escape.

[0113] like Figure 8-Figure 11 As shown, in some embodiments, the reciprocating cycle escape slow descent device further includes:

[0114] A friction ring 740 sleeved on the rotating shaft, wherein the friction ring 740 is connected to the fixing portion 710;

[0115] A damping mechanism 750 is disposed between the friction ring 740 and the rotating shaft 720, and is used to apply a reverse force to the rotating shaft 720 to hinder the first rotational motion; the damping mechanism 750 includes a first guide member 751 and a friction block 752;

[0116] The first guide member 751 may be a rod body, connected to the rotating shaft 720, and the extension direction of the first guide member 751 is perpendicular to the axial direction of the rotating shaft 720, and the outer end of the first guide member 751 extends toward the friction ring 740; the friction block 752 may be a ring body, and the outer end of the friction block 752 is a friction surface, and the friction block 752 is sleeved on the first guide member 751, and the distance between the outer end of the first guide member 751 and the inner wall of the friction ring 740 is smaller than the height of the friction block 752, so as to prevent the friction block 752 from being separated from the first guide member 751;

[0117] The rotating shaft 720 drives the first guide member 751 and the friction block 752 to rotate synchronously, and the outer wall of the friction block 752 dynamically rubs against the inner wall of the friction ring 740. As the escaping person descends faster, the rotation speeds of the friction ring 740 and the turntable 732 accelerate, and then the rotation speeds of the rotating shaft 720 and the first guide member 751 accelerate, the outward centrifugal force on the friction block 752 increases, the pressure of the friction block 752 on the friction ring 740 increases, the relative speed of the friction ring 740 and the friction block 752 increases, and the dynamic friction between the two increases, thereby increasing the reverse force applied by the friction block 752 to the friction ring 740 to hinder the first rotational motion, thereby reducing the rotation speed of the friction ring 740 and the turntable 732, and then reducing the descent speed of the escaping person, thereby preventing the escaping person from being injured due to the excessive descent speed.

[0118] Reference Fig.12As shown, in some embodiments, the reciprocating cycle escape slow descent device further includes a slow release mechanism 770, and the slow release mechanism 770 includes:

[0119] The sliding sleeve is disposed on the outer side of the rotating shaft 720 and fixed to the friction plate 771 on the fixed seat 710. The friction plate 771 can be a circular friction plate.

[0120] A moving member 772 disposed on the rotating shaft 720, the moving member 772 may be a nut;

[0121] The friction disc 773 is slidably sleeved on the outer side of the rotating shaft 720. The friction disc 773 is an annular structure and sleeved on the rotating shaft 720. The friction disc 773 is located between the friction plate 771 and the moving member 772. The friction disc 773 fits the friction plate 771, and the friction disc 773 rotates synchronously with the rotating shaft 720. A limit bar can be provided on the outer wall of the rotating shaft 720. The extension direction of the limit bar is consistent with the axis of the rotating shaft 720. A limit groove is provided at the inner end of the friction disc 773. The limit bar is engaged with the limit groove, and the limit bar can slide slightly in the limit groove, so that the friction disc 773 rotates synchronously with the rotating shaft 720, and the friction disc 773 can slide slightly on the rotating shaft 720.

[0122] A second elastic member 774 is disposed between the moving member 772 and the friction disk 773. The second elastic member 774 may be a spring or a cylinder. Two ends of the second elastic member 774 in the extension direction are respectively in contact with the moving member 772 and the friction disk 773. The second elastic member 774 is always in a compressed state, so that the friction disk 773 always fits the friction plate 771.

[0123] The friction disc 773 fits the friction plate 771. When the rotating shaft 720 drives the friction disc 773 to rotate, dynamic friction occurs between the friction disc 773 and the friction plate 771, which hinders the rotation of the rotating shaft 720 and further hinders the rotation of the rotating disk 732, thereby reducing the descent speed of the escapee.

[0124] The above specific implementation methods further illustrate the purpose, technical solutions and beneficial effects of the present application in detail. It should be understood that the above are only specific implementation methods of the present application and are not used to limit the protection scope of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the present application should be included in the protection scope of the present application.

[0125] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0126] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. An escape slow descent device with a braking structure, characterized in that: It comprises a fixing part and a cable assembly and a brake mechanism arranged on the fixing part; The fixing part is arranged on the building facade or the escape platform; The brake mechanism includes a brake rope, a handheld part, a storage disk, an operating part, a brake part and a connecting part; The connecting part is arranged on the wall or the escape platform or the fixed part, one end of the brake rope is connected to the connecting piece, and the other end is wound on the storage disk, and the storage disk is rotatably arranged in the handheld part; The operating member is disposed on the handheld portion, one end of the operating member is connected to the brake member located on the handheld portion, and the other end of the operating member extends out of the handheld portion; The operating member is used to make the brake member abut against the storage disk to prevent the storage disk from rotating.

2. The escape and descent control device with a braking structure according to claim 1, characterized in that: The escape and descent control device further comprises a rotating member, and the cable assembly directly or indirectly drives the rotating member to rotate synchronously; The connecting part includes a brake component and a brake device; The braking component is arranged on the fixing part or the escape platform, one end of the braking rope is connected to one end of the braking component, and the braking device is connected to the other end of the braking component; When the brake rope is pulled, the brake component causes the brake device to abut against the rotating member to prevent the rotating member from rotating, or the brake component and the brake device clamp the cable of the cable assembly to prevent the cable assembly from being released.

3. The escape and descent control device with a braking structure according to claim 2, characterized in that: The escape slow descent device also includes a rotating shaft; The rotating shaft is rotatably connected to the fixing portion, and the cable assembly is fixedly connected to the rotating shaft; When the escapee descends through the cable assembly, the cable assembly drives the rotating shaft to perform a first rotational motion.

4. The escape and descent control device with a braking structure according to claim 3 is characterized in that: The rotating member is the rotating shaft, and the outer wall of the rotating shaft is provided with anti-slip grooves; When the brake rope is pulled, the brake component causes the brake device to abut against the outer wall of the rotating shaft to prevent the rotating shaft and the cable assembly from rotating.

5. The escape and descent control device with a braking structure according to claim 3, characterized in that: The rotating member is a brake disc, which is fixedly connected to the rotating shaft and coaxially arranged, and the brake disc and the rotating shaft rotate in the same direction and at the same speed; When the brake rope is pulled, the brake component causes the brake device to abut against the outer wall of the brake disc to prevent the rotation of the rotating shaft and the cable assembly.

6. The descent control device according to claim 5, characterized in that: The cable assembly comprises a cable and a rotating disk; The rotating disk is sleeved on the rotating shaft and fixedly connected to the rotating shaft, and the cable is wound around the rotating disk; When the escapee descends through the cable, the cable drives the rotating disk and the rotating shaft to perform the first rotational motion.

7. The escape and descent control device with a braking structure according to claim 6, characterized in that: The escape slow descent device is a reciprocating cycle escape slow descent device, and the rotating shaft of the reciprocating cycle escape slow descent device is provided with two rotating disks and two braking mechanisms; The cables are wound around the two rotating disks, and the winding directions of the two cables are opposite.

8. The escape and descent control device with a braking structure according to claim 7, characterized in that: The reciprocating cycle escape slow descent device also includes a cable storage mechanism, and the cable storage mechanism includes a connecting frame and a storage disk; The connecting frame is fixed on the wall or the fixing part, and the storage disk is rotatably connected to the connecting frame; One end of the cable is wound around the rotating disk, and the other end of the cable is wound around the storage disk.

9. The escape and descent control device with a braking structure according to claim 7, characterized in that: The reciprocating cycle escape slow descent device also includes: A friction ring sleeved on the rotating shaft, wherein the friction ring is connected to the fixing part; A damping mechanism is disposed between the friction ring and the rotating shaft, and is used for applying a reverse force to the rotating shaft to hinder the first rotational motion.

10. The escape and descent control device with a braking structure according to claim 7, characterized in that: The reciprocating cycle escape slow descent device also includes a slow release mechanism, and the slow release mechanism includes: a friction plate fixed on the fixed portion; A moving member disposed on the rotating shaft; a friction disc located between the friction plate and the moving member; A second elastic member is disposed between the moving member and the friction disk, and two ends of the second elastic member in a contraction direction are respectively in contact with the moving member and the friction disk; The second elastic member is always in a compressed state, and the friction disc abuts against the friction plate.

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