Self-balancing security door system

Abstract

The application provides a self-balancing protection door system, which changes the layout mode of the protection door to face the shock wave, eliminates the shock wave by using the self-balancing mode, and solves the use problem of the protection door of the large-scale underground space. The self-balancing protection door system comprises a ring corridor and a protection door. One end of the central axis of the ring corridor is communicated with the through corridor, and the other end of the central axis is communicated with the internal corridor. The protection door is arranged at the intersection of the ring corridor and the internal corridor, is used for blocking the internal corridor, and divides the ring corridor into two parts which are symmetrical along the central axis. Thus, the force characteristics of the traditional protection door are changed by changing the layout mode of the protection door to face the shock wave, and the traditional tensile and bending resistance is changed into compression. The shock wave is eliminated by using the self-balancing mode, so that the protection ability of the protection door is greatly improved.

Description

Technical Field

[0001] This invention relates to a protective door system, specifically a self-balancing protective door system, belonging to the field of underground protective engineering entrance protection facility construction. Background Technology

[0002] Protective doors are the main protective facilities at the entrance of a protective engineering project. They are generally located at the entrance and exit of the project and are also the vulnerable and critical parts of the project. Their function is to withstand certain nuclear blast shock waves and conventional weapon load impacts. In wartime, they play an important role in protecting the lives of personnel and the safety of materials.

[0003] In traditional protective engineering design, protective door systems, such as Figure 1 As shown, the layout adopts a configuration where the protective door 1 directly faces the passageway 3 and the shock wave. That is, after the explosion-proof passageway 3, there is a one-way internal passageway 2, and the protective door 1 is located in the internal passageway 2. In this layout, the protective door directly faces the direction of the shock wave. In wartime, the protective door 1 relies on its own performance to resist the direct impact of the shock wave. The basic characteristic of the force on the protective door 1 is unidirectional loading, and it is mainly tensile stress, such as... Figure 2 As shown, this greatly limits the various properties of the protective door to the tensile strength of the material itself, and significantly restricts the door's size and impact resistance. For example, a 3m x 3m protective door needs to withstand more than 9,000 tons of pressure in one direction under a 10MPa shock wave.

[0004] With the development of the national economy and the accelerated advancement of national defense projects, large-scale underground protection projects are frequently emerging, with increasingly higher mission levels and significantly larger passageway dimensions. This places higher demands on the protective capabilities of protective doors, both in terms of size and impact resistance. Large-size, high-resistance protective doors are urgently needed for practical application. Summary of the Invention

[0005] In view of this, the present invention provides a self-balancing protective door system, which eliminates the shock wave by changing the layout of the protective door facing the shock wave and using self-balancing to solve the problem of the use of protective doors in large-scale underground spaces.

[0006] The technical solution of the present invention is: a self-balancing protective door system, comprising: a ring corridor and a protective door; one end of the central axis of the ring corridor is connected to a through corridor, and the other end of the central axis is connected to an internal through corridor;

[0007] The protective door is located at the intersection of the ring corridor and the internal corridor, and is used to block the internal corridor and divide the ring corridor into two symmetrical parts along its central axis.

[0008] As a preferred embodiment of the present invention: the protective door is a movable protective door; a compartment is provided on one side of the corridor, the compartment being used to provide storage space for the protective door; normally the protective door is located inside the compartment, leaving the corridor open; when the protective door is needed, the protective door is moved out of the compartment, blocking the internal corridor.

[0009] As a preferred embodiment of the present invention: a moving unit is provided at the bottom of the protective door, the moving unit including a guide rail unit and a drive unit for driving the protective door to move, the guide rail unit cooperating with guide rails provided on the floor of the cabin and the corridor.

[0010] As a preferred embodiment of the present invention, the protective door includes: a protective door body and explosion-proof units disposed on the left and right opposite sides of the protective door body.

[0011] As a preferred embodiment of the present invention, the explosion-proof unit has a modular structure.

[0012] As a preferred embodiment of the present invention, the internal corridor is provided with a sealed door.

[0013] As a preferred embodiment of the present invention, the ring corridor is formed by changing the one-way passage after the corridor into a ring corridor symmetrical along the central axis, with the ends converging and then leading to the inner corridor.

[0014] As a preferred embodiment of the present invention, the ring corridor is formed by converting part of the through corridor into a ring-shaped corridor that leads to the inner corridor.

[0015] Beneficial effects:

[0016] (1) The self-balancing protective door system of the present invention changes the layout pattern of the protective door facing the shock wave, changes the stress characteristics of the traditional protective door, and changes the traditional tension and bending resistance to compression; and eliminates the shock wave by using self-balancing, thereby greatly improving the protective capability of the protective door.

[0017] (2) The protective door in the self-balancing protective door system of the present invention is a movable protective door. The protective door is normally located inside the cabin and does not affect the use of the passage. It is moved out during wartime, thus no longer being restricted by the size of traditional doors and solving the problem of large span of protective doors.

[0018] (3) The self-balancing protective door system of the present invention is easy to upgrade and transform. Once a traditional protective door is built, it is difficult to increase its resistance level. In the self-balancing protective door system of the present invention, explosion-proof units are set on the left and right opposite sides of the main body of the protective door. Upgrading or maintenance can be achieved by replacing the self-balancing explosion-proof units.

[0019] (4) In the self-balancing protective door system of the present invention, the explosion-proof unit is a modular structure, which is convenient to replace or repair after being attacked, so that it can quickly restore the protective function.

[0020] (5) In the self-balancing protective door system of the present invention, a moving unit is provided at the bottom of the protective door to facilitate the movement of the protective door. Attached Figure Description

[0021] Figure 1 This is a structural diagram of a traditional protective door system described in the background section.

[0022] Figure 2 A schematic diagram of a traditional protective door subjected to one-way load as described in the background art;

[0023] Figure 3 This is a schematic diagram of the self-balancing protective door system of the present invention (the area within the dashed frame is the newly added annular corridor).

[0024] Figure 4 This is a schematic diagram of the self-balancing protective door system of the present invention during peacetime (non-wartime);

[0025] Figure 5 This is a wartime schematic diagram of the self-balancing protective door system of the present invention;

[0026] Figure 6 This is a schematic diagram of a movable protective door structure.

[0027] Among them: 1-protective door, 2-internal corridor, 3-through corridor, 4-movable protective door, 41-protective door body, 42-moving unit, 43-blast-resistant unit, 5-compartment, 6-circular corridor, 7-airtight door, 8-shock wave. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0029] Example 1:

[0030] This embodiment provides a self-balancing protective door system. By changing the layout of the protective door facing the shock wave, the shock wave is eliminated by self-balancing, thereby meeting the requirements of large-scale, high-resistance protective doors.

[0031] The overall concept of this self-balancing protective door system is as follows: the one-way passage after corridor 3 is changed into a ring-shaped, centrally symmetrical corridor (referred to as "ring corridor 6"), which converges at the end and then leads to the inner corridor 2; or part of corridor 3 is directly changed into a ring-shaped, centrally symmetrical corridor (i.e., ring corridor 6), which then leads to the inner corridor 2. This layout can decompose the incoming shock wave 8 in wartime into two equal and opposite forces along ring corridor 6. A movable protective door 4 is installed at the converging point, allowing the shock wave to act simultaneously on the movable protective door 4, ultimately achieving self-balancing and elimination. In this protective door system, the movable protective door 4 acts as a protective facility to withstand the shock wave 8. The inner corridor 2 does not need to face the shock wave 8; only a sealed door 7 is needed in the inner corridor 2 (i.e., no protective door is required in the inner corridor 2).

[0032] Specifically, such as Figure 3 As shown, the self-balancing protective door system includes: a passageway 3, a movable protective door 4, a compartment 5, and a ring corridor 6; one end of the central axis of the ring corridor 6 leads out a passageway connected to the passageway 3, and the other end of the central axis is connected to the internal passageway 2; the ring corridor 6 serves to decompose shock waves in wartime. The ring corridor 6 is symmetrically arranged on the left and right sides along its central axis. The symmetrical ring corridor 6 can be designed into an elliptical or heart-shaped layout according to the actual engineering conditions, as long as it is symmetrically arranged on the left and right sides along the central axis.

[0033] Movable protective doors 4 are located at the connecting end of the ring corridor 6 and the internal corridor 2, that is, the movable protective doors 4 are located at the intersection of the two symmetrical parts of the ring corridor 6 and the internal corridor 2; to meet the daily operation needs of the protective works, a compartment 5 is set on one side of the ring corridor 6. As an example, the compartment 5 is located on the opposite side of the internal corridor 2, and the compartment 5 is used to provide storage space for the movable protective doors 4; in peacetime, the movable protective doors 4 are located inside the compartment 5, leaving the ring corridor 6 open, such as... Figure 4 As shown; in wartime, the movable protective door 4 is moved out from the compartment 5 and positioned between the two symmetrical parts of the circular corridor 6, obstructing the internal corridor 2, as shown. Figure 5 As shown.

[0034] The movable protective door 4 at the intersection of the left and right sides of the symmetrical ring corridor 6 is an important engineering piece of equipment for resisting impact forces, such as... Figure 3 As shown, the shock wave 8 from a wartime attack is decomposed into two equal and opposite forces by the ring corridor 6, acting simultaneously on the movable protective door 4 from two opposite sides, thus balancing the shock wave. Simultaneously, since the movable protective door 4 is subjected to the shock wave force bidirectionally, the main load-bearing surface experiences compressive stress. Whether it's steel or concrete, the compressive strength of the material far exceeds its tensile and bending strength. Therefore, by altering the stress characteristics of the protective door, the material's properties can be fully utilized.

[0035] Meanwhile, the equipment can be designed with different material schemes according to the resistance required by the project, which greatly breaks through the existing protection capabilities, and the resistance level can even be equivalent to the strength of the mountain. The gate size is designed according to the requirements and combined with the tunnel diameter, no longer restricted by the constraints of traditional gates, and solves the problem of large spans.

[0036] The movable protective door 4 has its outer dimensions determined based on the width of the internal corridor 2 and the ring corridor 6. To ensure the reliability of the movable protective door 4 in sealing the internal corridor 2 during use (i.e., to prevent shock waves from entering the internal corridor 2), the dimensions of the movable protective door 4 should be greater than the width of the internal corridor 2 and the ring corridor 6; let the width of the internal corridor 2 be D. 内 The width of corridor 6 is D. 外 The length of the movable protective door 4 is D. 外 +4.0 meters, width is D 内 +4.0 meters, the height is determined according to the actual needs of the project. The impact resistance of this type of protective door can be designed according to actual functional requirements.

[0037] Example 2:

[0038] Based on the above embodiment 1, a preferred structural form of the movable protective door 4 is further provided.

[0039] like Figure 6 As shown, the movable protective door 4 includes: a protective door body 41, a moving unit 42 (including a drive unit and a guide rail unit), and an anti-blast unit 43. Anti-blast units 43 are respectively arranged on the left and right opposite sides of the protective door body 41 (i.e., on both sides directly resisting the disintegrated shock wave 8). The anti-blast units 43 directly resist the shock wave 8 and are the main load-bearing components. The anti-blast units 43 can mainly adopt a steel structure. The anti-blast units 43 have a modular structure, which facilitates replacement or repair after being attacked, allowing them to quickly restore their protective function. As an example, the anti-blast unit 43 is designed with reference to the structure of the bulletproof layer, allowing for a certain degree of elastic deformation or damage.

[0040] The protective door body 41 is subjected to the force transmitted from the blast-resistant units 43 on both sides, ensuring that the protective door body 41 does not deform during wartime. The protective door body 41 has a reserved emergency maintenance personnel passage, which can be used by personnel for maintenance after the explosion impact when the protective door body 41 is closed. The protective door body 41 and the blast-resistant units 43 on both sides together form a self-balancing protective door.

[0041] The bottom of the protective door body 41 is equipped with a moving unit, including a guide rail unit and a drive unit for moving the self-balancing protective door. The guide rail unit at the bottom of the protective door body 41 cooperates with guide rails set on the floor of the compartment and the corridor 6. As an example, sliding rails are set on the floor of the compartment and the corridor 6, and a slider is set at the bottom of the protective door body 41 as a guide rail unit. The drive unit is used to drive the self-balancing protective door to move along the guide rail. Normally, the movable protective door 4 is hidden inside the compartment 5 to meet the daily operation of the protective engineering. In wartime, the drive unit is activated, and the movable protective door 4 is moved out of the compartment 5 to block the internal corridor 2. Thus, the movable protective door 4 resists the force of the shock wave and prevents the shock wave from rushing into the internal corridor 2. As an example, the movable protective door 4 is closely connected to the tunnel through an automatic sealing device to ensure the reliability of the sealing.

[0042] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A self-balancing security door system, characterised in that: The application relates to a safety door and a ring corridor. One end of the ring corridor is communicated with a through corridor, and the other end of the ring corridor is communicated with an internal corridor. The safety door is arranged at the intersection of the ring corridor and the internal corridor, is used for blocking the internal corridor, and divides the ring corridor into two parts which are symmetrical along the central axis. The safety door is a movable safety door. A cabin is arranged on one side of the ring corridor, the cabin is used for providing a storage space of the safety door, the safety door is located in the cabin to leave the ring corridor, and the safety door is moved out of the cabin to block the internal corridor when the safety door is needed.

2. A self-balancing security door system as claimed in claim 1, wherein: The safety door comprises a safety door body and anti-explosion units arranged on the left and right opposite sides of the safety door body.

3. The self-balancing security door system of claim 1, wherein: A moving unit is arranged at the bottom of the safety door, the moving unit comprises a guide rail unit and a driving unit used for driving the safety door to move, and the guide rail unit is matched with guide rails arranged on the ground of the cabin and the ring corridor.

4. A self-balancing security door system as claimed in claim 1 or 2 or 3 wherein: The anti-explosion unit is of a modular structure.

5. A self-balancing security door system as claimed in claim 1 or 2 or 3 wherein: A sealing door is arranged in the internal corridor.

6. A self-balancing security door system as claimed in claim 1 or 2 or 3 wherein: The ring corridor is formed by changing a one-way channel after the through corridor into a ring-shaped corridor which is symmetrical along a central axis, and the ring-shaped corridor is communicated with the internal corridor. The ring corridor is formed by changing part of the through corridor into a ring-shaped corridor which is communicated with the internal corridor.

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