Fire-fighting emergency escape ladder

Abstract

The invention relates to the technical field of fire-fighting emergency rescue, and discloses a fire-fighting emergency escape ladder which comprises a U-shaped shell. Mounting seats which are symmetrically arranged are fixedly mounted on one side of the U-shaped shell; the U-shaped cover can be mounted at the opening of the U-shaped shell in a sliding manner through a sliding rail and is used for blocking the opening of the U-shaped shell; according to the fire-fighting emergency escape ladder, the defects of an existing rope type escape ladder are overcome in a targeted mode, orderly unfolding of the ladder body is achieved through sequential control, winding and clamping of a rope and a foot bar are eradicated, it is guaranteed that the escape ladder effectively and automatically completes opening of a box cover and releasing of the ladder body, manual operation is not needed, the ladder is ready within several seconds, the escape time is greatly saved, and the fire-fighting emergency escape ladder is safe and reliable. Alarm, illumination and independent power supply are integrated, the limitation of single function is broken through, and the intelligent fire-fighting and emergency self-rescue requirements are met.

Description

Technical Field

[0001] This invention relates to the field of fire emergency rescue technology, specifically a fire emergency escape ladder. Background Technology

[0002] With the acceleration of urbanization, high-rise and super high-rise buildings are increasing, and the resulting fire safety issues are becoming more prominent. In the event of a fire, elevators stop working, and stairwells may be filled with smoke and flames. At this time, emergency escape ladders installed in windows or balconies become crucial equipment for residents to escape and save themselves. Among them, rope-type escape ladders are widely used due to their relatively simple structure, low cost, and convenient storage.

[0003] The most common and fatal flaw of existing rope-type escape ladders is that most products fold or roll up the ladder ropes and runners and store them inside a box. In an emergency, users panic and need to quickly open the box and throw the ladder. The user's panicked throwing action is random, which can cause the ropes and runners to get caught and tangled in the air when the ladder is released under gravity, forming "knots" or "twisted" shapes. This can prevent some sections of the ladder from falling vertically, or even cause the entire ladder to jam, rendering it completely ineffective. Moreover, manual release reduces time by taking up valuable tens of seconds to several minutes, delaying the best escape opportunity. Furthermore, its function is extremely limited and cannot meet the deeper needs of modern smart fire protection and emergency self-rescue. Therefore, we have proposed a fire emergency escape ladder to solve the above-mentioned problems. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a fire emergency escape ladder that solves the problems of ropes getting tangled and jammed with the steps when the ladder is manually thrown, rendering the escape ladder ineffective; the time-consuming manual opening and throwing operations that delay the best escape opportunity; and the limited functionality, lack of auxiliary escape design, and reliance on the power grid, which makes it unsuitable for modern smart fire protection and emergency self-rescue needs.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a fire emergency escape ladder, comprising a U-shaped shell;

[0006] A mounting base arranged symmetrically is fixedly installed on one side of the U-shaped shell;

[0007] The U-shaped cover can be slidably installed at the opening of the U-shaped shell via a slide rail, and can seal the opening of the U-shaped shell;

[0008] A drive mechanism, mounted on the U-shaped housing, is used to drive the U-shaped cover to move and unfold;

[0009] An anti-tangling locking mechanism is installed inside the U-shaped housing;

[0010] Rope-type escape ladders are stacked sequentially inside the U-shaped shell and suspended on an anti-entanglement locking mechanism;

[0011] The control system is installed on the inner wall of the U-shaped housing.

[0012] Preferably, the inner wall of the U-shaped shell is fixed with symmetrically arranged connecting seats, and one end of the rope-type escape ladder is connected to two sets of connecting seats respectively.

[0013] Preferably, an alarm and a light are fixedly installed on one side of the U-shaped housing.

[0014] Preferably, a photovoltaic panel is fixedly installed on one side of the U-shaped cover, and a storage battery is fixedly installed on the inner wall of the U-shaped shell.

[0015] Preferably, the driving mechanism includes a motor fixedly installed on the inner sidewall of the U-shaped housing, a lead screw fixedly installed at the output end of the motor, the other end of the lead screw being rotatably connected to the U-shaped housing via a bearing, a moving block being threaded onto the surface of the lead screw, the inner sidewall of the U-shaped cover being fixedly connected to the moving block, and a laser sensor corresponding to the moving block being fixedly installed on the inner sidewall of the U-shaped housing.

[0016] Preferably, the inner wall of the U-shaped housing is fixed with symmetrically arranged limiting rods near the lead screw, and the moving block is provided with a moving hole that matches the limiting rod, and the moving block slides on the surface of the limiting rod through the moving hole.

[0017] Preferably, the anti-entanglement locking mechanism includes rectangular plates symmetrically arranged and fixed to the inner wall of the U-shaped shell. A pin is slidably mounted on the rectangular plate through an anti-detachment groove. A spring is fixed between the pin and the rectangular plate. A second electromagnet is fixed to one end of the pin. A first electromagnet is fixed to the inner wall of the anti-detachment groove of the rectangular plate. The first and second electromagnets have opposite magnetic poles. A strip groove is provided at one end of the pin, and a connecting shaft is fixed in the strip groove. A baffle is rotatably mounted on the connecting shaft through a bearing. A reset torsion spring is wound around the surface of the connecting shaft. The two ends of the reset torsion spring are fixedly connected to the baffle and the pin, respectively. The bent parts of the superimposed rope-type escape ladder are respectively hung on the pin.

[0018] Preferably, the U-shaped shell is equipped with a compression mechanism to compress and stabilize the rope escape ladder. The compression mechanism includes a support plate that is snapped onto the U-shaped shell through an elastic latch. An adjusting screw is threadedly connected to the support plate through a threaded hole. One end of the adjusting screw is rotatably mounted with a compression plate through a bearing. One side of the compression plate is in contact with the side wall of the U-shaped shell.

[0019] Preferably, the control system includes: a main control and signal processing module, a drive control module, an electromagnet control and release module, a power management and distribution module, a human-machine interaction and alarm module, and a status monitoring and communication module.

[0020] Beneficial effects

[0021] This invention provides a fire emergency escape ladder. Compared with the prior art, it has the following advantages:

[0022] In order to avoid entanglement and failure, this fire emergency escape ladder abandons the manual random throwing release method and achieves orderly unfolding of the ladder body through time-sequence control. The ladder body falls gradually from front to back under the action of gravity, completely eliminating the problem of ropes and steps getting tangled in the air and forming "knots" or "twisted" shapes. It effectively prevents the ladder section from failing to fall vertically or from getting stuck as a whole, ensuring that the escape ladder always remains in an effective state.

[0023] In terms of saving escape time, there is no need for manual opening of the box cover and throwing of the ladder body. The preparation and release of the ladder body are completed by automatic control. No user operation is required throughout the process. From the triggering of the fire to the preparation of the escape ladder, it only takes a few seconds. Compared with manual release, it saves tens of seconds to several minutes, minimizes time waste, and gives users the best time to escape.

[0024] In terms of functional adaptation, it breaks through the limitations of existing products with single functions, integrating alarm, lighting and independent power supply functions. The alarm can guide personnel to locate equipment and remind them to evacuate, the lighting can cope with the dark environment at the fire scene, and the independent power supply can avoid the impact of power grid failure on equipment operation, comprehensively meeting the deep-seated needs of modern smart fire protection and emergency self-rescue. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the U-shaped cover movement structure of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the connecting parts such as the driving mechanism and the extrusion mechanism of the present invention;

[0028] Figure 4 This is a cross-sectional view of the rectangular plate structure of the present invention;

[0029] Figure 5 This invention as a whole Figure 4 A magnified structural diagram at point A;

[0030] Figure 6 This is a schematic diagram of the overall rope-type escape ladder release structure of the present invention.

[0031] In the diagram: 101, U-shaped shell; 102, U-shaped cover; 103, mounting base; 104, connecting base; 105, rope escape ladder; 106, photovoltaic panel; 107, storage battery; 108, control system; 109, alarm; 110, lighting; 2. Drive mechanism; 201, motor; 202, moving block; 203, lead screw; 204, limit rod; 205, laser sensor; 3. Anti-entanglement locking mechanism; 301, rectangular plate; 302, pin; 303, first electromagnet; 304, spring; 305, second electromagnet; 306, baffle; 307, reset torsion spring; 4. Compression mechanism; 401, support plate; 402, adjusting screw; 403, compression plate. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figure 1-6 As shown:

[0034] A fire emergency escape ladder includes a U-shaped shell 101, with an alarm 109 and a lighting lamp 110 fixedly installed on one side of the U-shaped shell 101.

[0035] A mounting base 103 arranged symmetrically is fixedly installed on one side of the U-shaped housing 101;

[0036] The U-shaped cover 102 can be slidably installed at the opening of the U-shaped shell 101 via a slide rail and seals the opening of the U-shaped shell 101. A photovoltaic panel 106 is fixedly installed on one side of the U-shaped cover 102, and a storage battery 107 is fixedly installed on the inner wall of the U-shaped shell 101.

[0037] The drive mechanism 2 is installed on the U-shaped housing 101 and is used to drive the U-shaped cover 102 to move and unfold. The drive mechanism 2 includes a motor 201 fixedly installed on the inner wall of the U-shaped housing 101. A lead screw 203 is fixedly installed at the output end of the motor 201. The other end of the lead screw 203 is rotatably connected to the U-shaped housing 101 through a bearing. A moving block 202 is threadedly connected to the surface of the lead screw 203. The inner wall of the U-shaped cover 102 is fixedly connected to the moving block 202. A laser sensor 205 corresponding to the moving block 202 is fixedly installed on the inner wall of the U-shaped housing 101.

[0038] A symmetrically arranged limiting rod 204 is fixed on the inner side wall of the U-shaped housing 101 near the lead screw 203. The moving block 202 has a moving hole that matches the limiting rod 204. The moving block 202 slides on the surface of the limiting rod 204 through the moving hole.

[0039] An anti-entanglement locking mechanism 3 is installed inside a U-shaped housing 101. The mechanism includes rectangular plates 301 symmetrically arranged and fixed to the inner wall of the U-shaped housing 101. Pins 302 are slidably mounted on the rectangular plates 301 through anti-detachment grooves. A spring 304 is fixed between the pins 302 and the rectangular plates 301. A second electromagnet 305 is fixed to one end of the pins 302. A first electromagnet 303 is fixed to the inner wall of the anti-detachment grooves of the rectangular plates 301. The first electromagnet 303 and the second electromagnet 305 have opposite magnetic poles. A strip-shaped groove is formed at one end of the pins 302, and a connecting shaft is fixed within the groove. A baffle 306 is rotatably mounted on the connecting shaft via a bearing. A return torsion spring 307 is wound around the surface of the connecting shaft. The two ends of the return torsion spring 307 are fixedly connected to the baffle 306 and the pins 302, respectively. The bent portions of the stacked rope-type escape ladder 105 are respectively hung on the pins 302.

[0040] Rope-type escape ladders 105 are stacked sequentially inside a U-shaped shell 101 and suspended on an anti-entanglement locking mechanism 3. The inner side wall of the U-shaped shell 101 is fixed with symmetrically arranged connecting seats 104. One end of the rope-type escape ladder 105 is connected to two sets of connecting seats 104 respectively.

[0041] A compression mechanism 4 is installed on the U-shaped shell 101 to compress and stabilize the rope escape ladder 105. The compression mechanism 4 includes a support plate 401 that is snapped onto the U-shaped shell 101 through an elastic snap. An adjusting screw 402 is threadedly connected to the support plate 401 through a threaded hole. One end of the adjusting screw 402 is rotatably mounted with a compression plate 403 through a bearing. One side of the compression plate 403 is in contact with the side wall of the U-shaped shell 101.

[0042] The control system 108 is installed on the inner wall of the U-shaped housing 101. The control system 108 includes: a main control and signal processing module, a drive control module, an electromagnet control and release module, a power management and distribution module, a human-machine interaction and alarm module, and a status monitoring and communication module.

[0043] In this implementation plan: When in use, the U-shaped shell 101 of the fire emergency escape ladder is fixed to the balcony frame by the mounting base 103, and is independently powered by the storage battery 107 to avoid the impact of power outages during fires. In the event of a fire, the control system 108 links the drive mechanism 2 to open the U-shaped cover 102, and then releases the rope-type escape ladder 105 in sequence through the anti-entanglement locking mechanism 3. It is used in conjunction with the alarm 109 and the lighting 110 to assist in escape. When not in use, the compression mechanism 4 ensures that the ladder body is stably stacked.

[0044] The rope-type escape ladder 105 is stored in the U-shaped shell 101 in a stacked manner. The bent parts of the ladder are respectively hung on the pins 302 of the anti-entanglement locking mechanism 3 to form a stable suspension state. The U-shaped cover 102 is closed at the opening of the U-shaped shell 101 through the slide rail, completely sealing the internal components and playing a protective role against dust and water.

[0045] The adjusting screw 402 of the extrusion mechanism 4 is screwed into the support plate 401 through the threaded hole, pushing the extrusion plate 403 to apply appropriate pressure to the foot rods of the stacked rope escape ladder 105, ensuring that the ladder is stacked neatly and without loosening or displacement;

[0046] The photovoltaic panel 106 on one side of the U-shaped cover 102 absorbs solar energy in the daily environment and converts it into electrical energy, which is stored in the battery 107 on the inner wall of the U-shaped shell 101 to provide independent power for the entire device without relying on the household power grid.

[0047] The control system 108 is in standby mode, monitoring external fire alarm signals in real time, and all electrical components are in a power-off standby state.

[0048] When the fire alarm in the house detects a fire signal, it immediately transmits the signal to the status monitoring and communication module of the control system 108. After receiving the signal, the power management and distribution module of the control system 108 quickly disconnects from the household power grid and switches to the independent power supply mode of the battery 107 to avoid the power grid failure caused by the fire from affecting the operation of the equipment.

[0049] The drive control module of the control system 108 sends a start command to the drive mechanism 2, and the motor 201 is powered on and runs. The output end of the motor 201 drives the lead screw 203 to rotate. Since the lead screw 203 is threadedly connected to the moving block 202, and the moving block 202 is sleeved on the limit rod 204 through the moving hole, the rotational motion is converted into linear motion. The moving block 202 slides smoothly to one side along the limit rod 204. The moving block 202 is fixedly connected to the inner wall of the U-shaped cover 102, which drives the U-shaped cover 102 to move to one side along the slide rail, gradually opening the opening of the U-shaped shell 101, creating a channel for the release of the rope-type escape ladder 105.

[0050] When the moving block 202 moves to the preset position, the laser sensor 205 on the inner wall of the U-shaped housing 101 detects the signal of the moving block 202 and feeds the signal back to the control system 108, which drives the control module to control the motor 201 to stop running, and the U-shaped cover 102 remains in the fully open state.

[0051] The electromagnet control and release module of the control system 108 simultaneously starts the timing release program of the anti-entanglement locking mechanism 3 when the drive mechanism 2 is started. Following a front-to-back sequence, it energizes the first electromagnet 303 and the second electromagnet 305 of each anti-entanglement locking mechanism 3. Since they are opposite magnetic poles, they generate an attraction force after being energized, which, combined with the elastic force of the spring 304, pushes the pin 302 to move inward along the anti-detachment groove of the rectangular plate 301.

[0052] As the pin 302 moves inward, the baffle 306 at its end is squeezed by the inner wall of the rectangular plate 301. The baffle 306 rotates around the connecting shaft and compresses the reset torsion spring 307, gradually folding and fitting against the surface of the pin 302 to avoid hindering the movement of the pin 302.

[0053] After the pin 302 moves completely inward, it disengages from the bend of the rope escape ladder 105, releasing the lock and fixation of the ladder body at that position. According to the preset sequence, such as an interval of 0.5-1 seconds between each group, each group of pins 302 completes the disengagement action in turn. Under the action of gravity, the stacked rope escape ladder 105 gradually unfolds and falls from front to back, avoiding the ropes and steps from getting hooked and tangled together.

[0054] One end of the rope-type escape ladder 105 is fixedly connected to the connecting seat 104 on the inner wall of the U-shaped shell 101 to ensure that the ladder hangs vertically after release, forming a stable escape channel.

[0055] When the human-machine interaction and alarm module of the control system 108 is activated, it triggers the alarm 109 to emit a continuous, high-decibel alarm sound. On the one hand, it guides the people in the room to quickly locate the fire emergency escape ladder, and on the other hand, it reminds the people in the surrounding rooms to evacuate urgently through the sound source.

[0056] The lights are turned on simultaneously to provide sufficient illumination at the fire scene, where dense smoke may obscure the light and burnt-out circuits may cause darkness. This makes it easier for people to observe the location of the escape ladder, the condition of the ladder, and to climb it, thus reducing the risk of falling.

[0057] In order to avoid entanglement failure, this solution abandons the manual random throwing release method and achieves orderly deployment of the ladder through time-sequence control. The ladder body falls gradually from front to back under the action of gravity, completely eliminating the problem of ropes and steps getting tangled in the air and forming "knots" or "twisted" shapes. It effectively prevents the ladder section from failing to fall vertically or getting stuck as a whole, ensuring that the escape ladder always remains in an effective state.

[0058] In terms of saving escape time, there is no need for manual opening of the box cover and throwing of the ladder body. The preparation and release of the ladder body are completed by automatic control. No user operation is required throughout the process. From the triggering of the fire to the preparation of the escape ladder, it only takes a few seconds. Compared with manual release, it saves tens of seconds to several minutes, minimizes time waste, and gives users the best time to escape.

[0059] In terms of functional adaptation, it breaks through the limitations of existing products with single functions, integrating alarm, lighting and independent power supply functions. The alarm can guide personnel to locate equipment and remind them to evacuate, the lighting can cope with the dark environment at the fire scene, and the independent power supply can avoid the impact of power grid failure on equipment operation, comprehensively meeting the deep-seated needs of modern smart fire protection and emergency self-rescue.

[0060] It should be noted that the power connection methods of each electrical device are existing mature technologies and are well-known to those in the field, so they will not be elaborated further here.

[0061] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fire emergency escape ladder, characterized in that: Includes a U-shaped housing (101); The U-shaped housing (101) is fixedly installed with symmetrically arranged mounting seats (103) on one side; The U-shaped cover (102) can be slidably installed at the opening of the U-shaped shell (101) via a slide rail, and can seal the opening of the U-shaped shell (101); A drive mechanism (2) is installed on the U-shaped housing (101) and is used to drive the U-shaped cover (102) to move and unfold. An anti-tangling locking mechanism (3) is installed inside the U-shaped housing (101); Rope-type escape ladders (105) are stacked sequentially inside the U-shaped shell (101) and suspended on an anti-entanglement locking mechanism (3); The control system (108) is installed on the inner side wall of the U-shaped housing (101).

2. The fire emergency escape ladder according to claim 1, characterized in that: The inner wall of the U-shaped shell (101) is fixed with symmetrically arranged connecting seats (104), and one end of the rope escape ladder (105) is connected to two sets of connecting seats (104) respectively.

3. The fire emergency escape ladder according to claim 1, characterized in that: An alarm (109) and a light (110) are fixedly installed on one side of the U-shaped housing (101).

4. The fire emergency escape ladder according to claim 1, characterized in that: A photovoltaic panel (106) is fixedly installed on one side of the U-shaped cover (102), and a storage battery (107) is fixedly installed on the inner wall of the U-shaped shell (101).

5. The fire emergency escape ladder according to claim 1, characterized in that: The drive mechanism (2) includes a motor (201) fixedly installed on the inner wall of the U-shaped housing (101). A lead screw (203) is fixedly installed at the output end of the motor (201). The other end of the lead screw (203) is rotatably connected to the U-shaped housing (101) through a bearing. A moving block (202) is threadedly connected to the surface of the lead screw (203). The inner wall of the U-shaped cover (102) is fixedly connected to the moving block (202). A laser sensor (205) corresponding to the moving block (202) is fixedly installed on the inner wall of the U-shaped housing (101).

6. The fire emergency escape ladder according to claim 5, characterized in that: The inner wall of the U-shaped housing (101) is fixed with symmetrically arranged limiting rods (204) near the lead screw (203). The moving block (202) has a moving hole that matches the limiting rod (204). The moving block (202) slides on the surface of the limiting rod (204) through the moving hole.

7. The fire emergency escape ladder according to claim 1, characterized in that: The anti-entanglement locking mechanism (3) includes rectangular plates (301) symmetrically arranged and fixed to the inner wall of the U-shaped housing (101). A pin (302) is slidably mounted on the rectangular plate (301) through an anti-detachment groove. A spring (304) is fixed between the pin (302) and the rectangular plate (301). A second electromagnet (305) is fixed to one end of the pin (302). A first electromagnet (303) is fixed to the inner wall of the anti-detachment groove of the rectangular plate (301). The first electromagnet (303) and the second electromagnet (305) have opposite magnetic poles. One end of the pin (302) is provided with a strip groove, and a connecting shaft is fixed in the strip groove. The connecting shaft is rotatably mounted with a baffle (306) through a bearing. A reset torsion spring (307) is wound around the surface of the connecting shaft. The two ends of the reset torsion spring (307) are fixedly connected to the baffle (306) and the pin (302) respectively. The bent parts of the superimposed rope escape ladder (105) are respectively hung on the pin (302).

8. The fire emergency escape ladder according to claim 1, characterized in that: The U-shaped shell (101) is equipped with a compression mechanism (4) to compress and stabilize the rope escape ladder (105). The compression mechanism (4) includes a support plate (401) that is snapped onto the U-shaped shell (101) through an elastic snap. An adjusting screw (402) is threadedly connected to the support plate (401) through a threaded hole. One end of the adjusting screw (402) is rotatably mounted with a compression plate (403) through a bearing. One side of the compression plate (403) is in contact with the side wall of the U-shaped shell (101).

9. The fire emergency escape ladder according to claim 1, characterized in that: The control system (108) includes: a main control and signal processing module, a drive control module, an electromagnet control and release module, a power management and distribution module, a human-machine interaction and alarm module, and a status monitoring and communication module.

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