A flood prevention device for subway station entrance and exit

Abstract

The application discloses a flood prevention device for a subway station entrance, which comprises a pit, the inner walls of both sides of the pit are fixedly connected with guide rails, the guide rails are slidably connected with sliding seats, one end of the guide rail is provided with a first electric push rod, one side of the sliding seat is fixedly connected with a driving motor, the other side of the sliding seat is rotatably connected with a supporting plate, the driving motor is coaxially fixedly connected with the rotating shaft of the supporting plate; both sides of the supporting plate are rotatably connected with supporting plates, the one side of the supporting plate is provided with a mounting groove, a folding ladder is arranged in the mounting groove, the supporting plate is provided with an interlocking device, and the interlocking device is used for changing the folding ladder from a plane state into a ladder state after the supporting plate is rotated. The supporting plate plays a water blocking role, and after the supporting plate is vertically arranged, steps are automatically formed on the supporting plate, which facilitates emergency personnel to climb over the vertically arranged supporting plate and plays a role of safely and quickly evacuating people.

Description

Technical Field

[0001] This invention relates to the field of subway flood control facilities technology, and in particular to a flood control device for subway station entrances and exits. Background Technology

[0002] Currently, due to climate change and the urban heat island and rain island effects caused by rapid urban development, large cities are experiencing a significant increase in sudden, localized, and high-intensity extreme rainstorms. Faced with these storms, subways are frequently flooded, exposing the fragility and hidden dangers in their construction. Due to the inherent characteristics of underground stations, extreme rainfall can easily lead to water accumulation in certain sections of the subway, flooding of subway tunnels, and other situations. Currently, the flood control materials at each entrance and exit of the rail transit industry generally include flood barriers, water-blocking bags, sandbags, and anti-slip mats. While these materials serve their purpose of blocking water, they also affect passage. For example, raising flood barriers can hinder the evacuation of personnel or the entry and exit of goods into the subway station. Furthermore, the steps on both sides of the flood barriers are inconvenient. If inclined ramps are added to both sides of the flood barriers, the steep slope, combined with the slippery conditions during the flood season, increases the risk of falls. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a flood control device for subway station entrances and exits, thereby solving the problems existing in the prior art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A flood control device for subway station entrances and exits includes a pit, with guide rails fixedly connected to the inner walls on both sides of the pit, a slide block slidably connected to the guide rails, a first electric push rod mounted on one end of the guide rails, a drive motor fixedly connected to one side of the slide block, a support plate rotatably connected to the other side of the slide block, and the drive motor and the rotating shaft of the support plate being coaxially and fixedly connected.

[0006] The support plate is rotatably connected to the two sides of the support plate. A mounting groove is provided on one side of the support plate, and a folding ladder is installed in the mounting groove. The support plate is equipped with an interlocking device, which is used to change the folding ladder from a flat plane to a stepped state after the support plate is rotated.

[0007] Preferably, the support plate is provided with a through groove, a second electric actuator is hingedly connected in the through groove, a slider is slidably connected to the bottom of the support plate, and the telescopic end of the second electric actuator is hingedly connected to the slider.

[0008] Preferably, the interlocking device includes a push-pull rod, a relief groove is provided on the side of the support plate near the slider, the push-pull rod slides in the support plate and one end enters the relief groove and is fixedly connected to the slider, an interlocking box is fixedly connected to one side of the mounting groove, the other end of the push-pull rod extends into the interlocking box and is provided with a tooth groove, a gear is rotatably connected in the interlocking box, a first bevel tooth is fixedly connected to one side of the gear, a drive rod is rotatably connected in the mounting groove, a second bevel tooth is fixedly connected to the drive rod, and the first bevel tooth and the second bevel tooth mesh with each other;

[0009] Several sliding rods are slidably connected in the mounting groove. Ladder plates are hinged to two adjacent sliding rods. Each sliding rod is provided with a threaded sleeve. The drive rod passes into the threaded sleeve and is threadedly connected. The thread pitch of the threaded sleeve in the axial direction of the drive rod decreases sequentially.

[0010] Preferably, the ladder plate is provided with clearance holes, and the slide rod is threadedly connected to a locking bolt.

[0011] Preferably, the pit is fixedly connected to a waterproof barrier strip.

[0012] Preferably, a slot is provided on one side of the pit.

[0013] The advantages of this invention are as follows: The flood control device for subway station entrances and exits provided by this invention moves the slide by a first electric push rod. At a suitable position, the drive motor makes the support plate vertical. The vertical support plate moves towards the outside of the station entrance through the slide. The edge of the vertical support plate squeezes the waterproof strip to form a seal, which has a good water-blocking effect. Subsequently, by rotating the support plate, a slope is formed on both sides of the support plate. At the same time as the slope is formed, in conjunction with the interlocking device, steps are automatically formed on the support plate, which makes it convenient for emergency personnel to climb over the vertical support plate, thus playing a role in the safe and rapid evacuation of personnel. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the basic structure of the present invention;

[0015] Figure 2 This is a schematic diagram showing the support plate in a vertical position inside the pit;

[0016] Figure 3 This is a schematic diagram of the connection structure between the support plate and the guide rail;

[0017] Figure 4 This is a schematic diagram showing a step-like configuration with the support plate vertical and the two side support plates extended.

[0018] Figure 5 yes Figure 4 Enlarged view of section E in the image;

[0019] Figure 6 This is a schematic diagram showing the planar state of the support plate surface;

[0020] Figure 7This is a schematic diagram of the drive structure of the interlocking device of the present invention. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0022] Example 1

[0023] like Figures 1 to 7 As shown, the present invention provides a flood control device for subway station entrances and exits, including a pit 1. The pit 1 is set at the station entrance 10. The inner walls of both sides of the pit 1 are fixedly connected to guide rails 2. The guide rails 2 are slidably connected to slide seats 21. One end of the guide rails 2 is equipped with a first electric push rod 22. One side of the slide seat 21 is fixedly connected to a drive motor 23. The other side of the slide seat 21 is rotatably connected to a support plate 3. The drive motor 23 is coaxially fixedly connected to the rotating shaft of the support plate 3. The pit 1 is fixedly connected to a waterproof baffle 11. After the support plate 3 is in a vertical state, the first electric push rod 22 pushes the slide seat 21 to move outward from the station entrance 10. The edge of the vertical support plate 3 squeezes the waterproof baffle 11 to form a seal, which has a good water blocking effect.

[0024] Support plate 3 is rotatably connected to support plate 4 on both sides. Support plate 4 has a mounting groove 40 on one side, and a folding ladder is installed in the mounting groove 40. Support plate 4 is equipped with an interlocking device, which is used to change the folding ladder from a flat plane to a stepped state after the support plate 4 is rotated.

[0025] A slot 12 is provided on one side of the pit 1, which provides space for the horizontal movement of the support plate 3 when it is horizontal, and also provides support and limit for the support plate 4 above on one side of the pit 1.

[0026] This invention uses a first electric push rod 22 to move a slide block 21. At a suitable position, a drive motor 23 makes the support plate 3 vertical. The vertical support plate 3 moves towards the outside of the station entrance 10 via the slide block 21. The edge of the vertical support plate 3 presses against the waterproof strip 11 to form a seal, which has a good water-blocking effect. Subsequently, by rotating the support plate 4, a slope is formed on both sides of the support plate 3. At the same time as the slope is formed, a step is automatically formed on the support plate 4 in conjunction with the interlocking device, which facilitates emergency personnel to climb over the vertical support plate 3, thus playing a role in the safe and rapid evacuation of personnel.

[0027] Example 2

[0028] like Figures 1 to 7As shown, the support plate 3 is provided with a through groove 31, and the second electric push rod 32 is hingedly connected in the through groove 31. The second electric push rod 32 of the two side support plates 4 is staggered. The bottom of the support plate 4 is slidably connected to the slider 33. The telescopic end of the second electric push rod 32 is hingedly connected to the slider 33. The interlocking device includes a push-pull rod 41. The side of the support plate 4 near the slider 33 is provided with a relief groove 42. The push-pull rod 41 slides in the support plate 4 and one end enters the relief groove 42 and is fixedly connected to the slider 33. The mounting groove 40 is fixedly connected to the interlocking box 43 on one side. The other end of the push-pull rod 41 extends into the interlocking box 43 and is provided with a toothed groove. The interlocking box 43 is rotatably connected to the gear 44. The gear 44 is fixedly connected to the first bevel gear 45 on one side. The mounting groove 40 is rotatably connected to the drive rod 46. The drive rod 46 is fixedly connected to the second bevel gear 47. The first bevel gear 45 and the second bevel gear 47 mesh with each other.

[0029] Several sliding rods 48 are slidably connected within the mounting groove 40. Ladder plates 49 are hinged to adjacent sliding rods 48. One end of the ladder plate 49 is hinged to the sliding rod 48, and the other end of the ladder plate 49 is hinged to the ladder plate 49 on the adjacent sliding rod 48. When all the sliding rods 48 approach each other, the adjacent ladder plates 49 gradually become perpendicular. When all the sliding rods 48 move away from each other, the adjacent ladder plates 49 gradually become the same plane. Each sliding rod 48 is provided with a threaded sleeve 481. The drive rod 46 passes through the threaded sleeve 481 and is threadedly connected. The pitch of the threaded sleeve 481 in the axial direction of the drive rod 46 decreases sequentially.

[0030] In embodiment 2, the second electric push rod 32 extends, cooperating with the sliding of the slider 33 to make the support plate 4 rotate, forming a ramp on both sides of the support plate 3. When the slider 33 slides, the push-pull rod 41 of the interlocking device slides with the slider 33. The sliding of the push-pull rod 41 causes the drive rod 46 to rotate through the gear 44, the first bevel gear 45, and the second bevel gear 47. The drive rod 46 does not require additional power to drive it, which makes it easy to form the required function in a narrow space. When the drive rod 46 rotates, the pitch of the threaded sleeve 481 decreases sequentially, so that the sliding distance of the sliding rod 48 increases sequentially, thereby forming a step shape, which facilitates personnel to quickly climb over in an emergency.

[0031] Example 3

[0032] like Figures 1 to 7 As shown, based on Embodiment 2, the ladder plate 49 is provided with a clearance hole 482, and the slide rod 48 is threadedly connected to the locking bolt 483. When the ladder plate 49 is in a stepped state, an Allen wrench is inserted through the clearance hole 482 to loosen the locking bolt 483. After the locking bolt 483 is loosened, the slide rod 48 can move axially relative to the threaded sleeve 481. That is, the slide rod 48 slides in sequence so that multiple ladder plates 49 form a plane, which facilitates the passage of wheelchairs or emergency material carts. After passage, the slide rod 48 is pushed back to reset to a stepped state, and the slide rod 48 and the threaded sleeve 481 are re-locked, and the device can be reset to the normal working state.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flood control device for subway station entrances and exits, comprising a pit (1), wherein guide rails (2) are fixedly connected to the inner walls on both sides of the pit (1), the guide rails (2) are slidably connected to a slide block (21), a first electric push rod (22) is mounted on one end of the guide rails (2), a drive motor (23) is fixedly connected to one side of the slide block (21), and a support plate (3) is rotatably connected to the other side of the slide block (21), wherein the drive motor (23) and the rotating shaft of the support plate (3) are coaxially fixedly connected; The support plate (3) is rotatably connected to the support plate (4) on both sides. The support plate (4) is provided with an installation groove (40) on one side. A folding ladder is provided in the installation groove (40). The support plate (4) is provided with an interlocking device. The interlocking device is used to change the folding ladder from a plane to a stepped state after the support plate (4) is rotated.

2. A flood control device for subway station entrances and exits according to claim 1, characterized in that: The support plate (3) is provided with a through groove (31), and a second electric push rod (32) is hinged in the through groove (31). The bottom of the support plate (4) is slidably connected to a slider (33), and the telescopic end of the second electric push rod (32) is hinged to the slider (33).

3. A flood control device for subway station entrances and exits according to claim 2, characterized in that: The interlocking device includes a push-pull rod (41), a relief groove (42) is provided on the side of the support plate (4) near the slider (33), the push-pull rod (41) slides in the support plate (4) and one end enters the relief groove (42) and is fixedly connected to the slider (33), the interlocking box (43) is fixedly connected on one side of the mounting groove (40), the other end of the push-pull rod (41) extends into the interlocking box (43) and is provided with a tooth groove, the gear (44) is rotatably connected in the interlocking box (43), the first bevel tooth (45) is fixedly connected on one side of the gear (44), the drive rod (46) is rotatably connected in the mounting groove (40), the drive rod (46) is fixedly connected to the second bevel tooth (47), and the first bevel tooth (45) and the second bevel tooth (47) mesh with each other; Several slide rods (48) are slidably connected in the mounting groove (40). Ladder plates (49) are hinged to two adjacent slide rods (48). Each slide rod (48) is provided with a threaded sleeve (481). The drive rod (46) passes into the threaded sleeve (481) and is threaded. The pitch of the threaded sleeve (481) on the drive rod (46) axis decreases sequentially.

4. A flood control device for subway station entrances and exits according to claim 3, characterized in that: The ladder plate (49) is provided with a clearance hole (482), and the slide rod (48) is threadedly connected to a locking bolt (483).

5. A flood control device for subway station entrances and exits according to claim 1, characterized in that: The pit (1) is fixedly connected to a waterproof baffle (11).

6. A flood control device for subway station entrances and exits according to claim 1, characterized in that: A slot (12) is provided on one side of the pit (1).

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