CN211202044U

CN211202044U - Tunnel is with double-deck safe type ground fire prevention escape door system

Info

Publication number: CN211202044U
Application number: CN201922343088.8U
Authority: CN
Inventors: 梅秀娟; 李明轩; 谭龙飞; 张泽江; 钟波; 何勤理; 王新钢
Original assignee: Sichuan Fire Research Institute of Emergency Management Department
Current assignee: Sichuan Fire Research Institute of Emergency Management Department
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-07
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a tunnel is with double-deck safe type ground fire prevention emergency exit system, including articulating respectively in tunnel escape way top and being last emergency exit and lower emergency exit that the subtend was seted up, articulate in the dropproof door of lower emergency exit bottom surface sets up on the tunnel lateral wall and is used for fixing spacingly go up the emergency exit with stop device under the state is opened to the lower emergency exit, set up in on the lower emergency exit and be used for fixing the fixing device of dropproof door, and set up in go up in the emergency exit and be used for fixing buckle device when the dropproof door is opened. The utility model discloses an ingenious design to last emergency exits, lower emergency exits, dropproof door and the tunnel lateral wall in the system of fleing own structure, to the opening after opening the emergency exits formation a circumference's protection, the effectual personnel of having avoided are under the unclear open-ended condition, fall from the opening part.

Description

Tunnel is with double-deck safe type ground fire prevention escape door system

Technical Field

The utility model relates to a fire control safety technical field, concretely relates to escape passage's escape door system in tunnel.

Background

The tunnel is a passage passing through a mountain or an obstacle, in order to realize emergency preparation for escape of a fire accident in the tunnel, an escape passage needs to be arranged in the tunnel, the escape passage is arranged under the ground close to the side wall of the tunnel, the escape passage is of a closed design, and corresponding escape doors are arranged at certain intervals. In order to ensure that the escape way is smooth and effective and the escape door of the escape way is normally opened and closed, the escape way and the escape door need to be periodically overhauled and maintained, the escape door needs to be opened in the process of overhauling and maintaining, so that an opening is formed above the escape way, as the tunnel environment and light rays are dark, the opening formed after the escape door is opened is not easy to see clearly, the opening needs to be provided with a protection device in the overhauling process, the tunnel is located in a remote area under the common condition, the protection device is inconvenient to carry about in the overhauling process, the inconvenience is undoubtedly brought to the overhauling of the escape way, and the potential safety hazard that people fall is inevitably brought to the overhauling if the protection device is not arranged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a tunnel is with double-deck safe type ground fire prevention escape door system to the structure of escape door system itself improves tunnel escape system's the efficiency of overhauing as the protector after the emergency exits opens, eliminates the potential safety hazard that personnel fell.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a tunnel is with double-deck safe type ground fire prevention escape door system, including articulate respectively in tunnel escape way top and be last emergency exits and lower emergency exits that the subtend was seted up, articulate in the anti-falling door of lower emergency exits bottom surface sets up on the tunnel lateral wall and is used for fixed spacing go up the emergency exits with stop device under the lower emergency exits open mode sets up in on the lower emergency exits and be used for fixing the fixing device of anti-falling door, and set up in go up in the emergency exits and be used for fixing buckle device when anti-falling door opens.

Furthermore, stop device including set up the mounting hole on the tunnel lateral wall, set up in the mounting hole and be used for with go up emergency exits with lower emergency exits matched with spacing locking piece, and set up in the mounting hole and with spacing locking piece assorted guide rail.

Preferably, the limiting locking block is in an inverted concave shape.

Furthermore, the fixing device comprises a groove arranged on the anti-falling door, a first rotating shaft fixed on the bottom surface of the lower escape door, and a fixing block sleeved on the rotating shaft and matched with the groove; the fixed block can rotate around the first rotating shaft.

Furthermore, the fixed block is also provided with a spring for preventing the fixed block from falling off the groove.

Furthermore, the buckle device comprises a concave cavity arranged in the upper escape door, a second rotating shaft arranged in the concave cavity, and a clamping block which is arranged in the concave cavity, sleeved on the second rotating shaft and matched with the groove; the fixture block can rotate around the second rotating shaft.

Furthermore, a lower edge is arranged on the lower escape door, an upper edge is arranged on the upper escape door, and the upper edge covers the lower edge to seal the upper escape door and the lower escape door.

Furthermore, handle cavities convenient to open are arranged on the upper escape door and the lower escape door.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model reasonably utilizes the structural characteristics of the escape door system, when the tunnel escape system is overhauled, the upper escape door is opened and is fixed and limited by the limiting device to form a fixed state vertical to the ground, and the lower escape door is opened to form a fixed state vertical to the ground, at the same time, the fixed block in the fixing device is rotated to separate the fixed block from the groove fixing of the anti-falling door, the anti-falling door is opened, the clamping block on the buckling device is drawn out, when the anti-falling door is opened and rotated to the position of the upper escape door, the clamping block is clamped into the groove of the anti-falling door, so that the upper escape door, the lower escape door, the anti-falling door and the tunnel side wall form a circumferential protection for the opening after the escape door is opened, thereby effectively avoiding the situation that the personnel cannot clearly see the opening, fall from the opening, through the ingenious design, the structure of the escape door system is used as a protection device, so that people can be effectively prevented from falling, potential safety hazards are eliminated, other protection devices are not required to be carried, and the maintenance efficiency of the escape door system is improved.

(2) The utility model discloses the handle chamber that sets up, the effectual personnel that provide set up the required impetus of emergency exits, have also avoided setting up the evagination structure as the surperficial unevenness nature of emergency exits that the impetus brought.

(3) The utility model discloses an go up the last edge and the lower edge that emergency exits and lower emergency exits set up, the effectual leakproofness of having realized after emergency exits and lower emergency exits closure have improved the protective properties of fleing of system in the tunnel.

Drawings

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

Fig. 2 is the schematic structural diagram of the limiting device of the present invention.

Fig. 3 is a schematic structural view of the fixing device of the present invention.

Fig. 4 is the schematic view of the structure of the fastening device of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-upper escape door, 2-lower escape door, 3-anti-falling door, 4-mounting hole, 5-limit locking block, 6-guide rail, 7-groove, 8-first rotating shaft, 9-spring, 10-concave cavity, 11-second rotating shaft, 12-clamping block, 13-lower edge, 14-upper edge, 15-handle cavity and 16-fixing block.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in FIGS. 1-4:

the utility model provides a tunnel is with double-deck safe type ground fire prevention escape door system, uses the open-ended protector when system's of fleing overhauls with its structural component itself, realizes the protection to the open-ended, avoids personnel to fall, promotes its efficiency of overhauing simultaneously. The specific structure comprises an upper escape door 1, a lower escape door 2 and a falling-proof door 3; in order to open and close of exit 1 and lower emergency exit 2 in limited realization, it connects escape way's top in the tunnel to adopt articulated mode with last emergency exit 1 and lower emergency exit 2, when carrying out personnel and fleeing for one's life, go up emergency exit and the opening that 180 can all be realized to lower emergency exit, and go up emergency exit 1 and be the setting of subtend with lower emergency exit 2, for the sealing of better realization emergency exit, it sets up edge 13 to go up emergency exit 1, set up edge 14 down on lower emergency exit 2, when last emergency exit and lower emergency exit are in the closure state, it closes sealedly to go up the lid that edge 14 lid closed realization emergency exit 1 and lower emergency exit 2 on edge 13 down, the effectual airtight isolated effect that has promoted emergency exit.

In order to realize that escape door 1 and lower escape door 2 can the vertical fixation spacing after opening, set up stop device at last escape door 1 and lower escape door 2, specific implementation is: arranging a mounting hole 4 on the side wall of the tunnel, arranging a guide rail 6 in the mounting hole 4, inserting a limiting lock block 5 into the mounting hole 4, and enabling the limiting lock block 5 to freely enter and exit the mounting hole 4 along the guide rail 6; preferably, the limit lock block 5 is arranged in an inverted concave shape, and the guide rail 6 is positioned at the concave position of the limit lock block. After the upper escape door 1 and the lower escape door 2 are opened, the limiting locking block is manually pulled out to be clamped on the upper escape door and the lower escape door, so that the vertical fixing and limiting of the upper escape door 1 and the lower escape door 2 are realized, and the upper escape door 1 and the lower escape door 2 form anti-falling protection on two sides.

In order to realize that the emergency exits opens the dropproof protection of back opening another side, 2 bottom surfaces of lower emergency exits hinge dropproof door 3, dropproof door 3 can freely open and shut on lower emergency exits 2, in order to realize that dropproof door 3 is fixed with lower emergency exits under the closed condition, sets up fixing device for it, and its concrete implementation is: a groove 7 is formed in the free end of the anti-falling door 3, a first rotating shaft 8 is fixedly arranged on the lower escape door 2, a fixed block 16 is sleeved on the first rotating shaft 8, the fixed block 16 can rotate around the first rotating shaft 8 but cannot be separated from the first rotating shaft 8, and the fixed block 16 is clamped in the groove 7, so that the lower escape door and the anti-falling door are fixed; meanwhile, in order to prevent the fixed block 16 from being separated from the groove 7, the spring 9 is arranged on the fixed block 16, the fixed block is prevented from being separated from the groove 7 by pulling the spring 9, meanwhile, the fixed block 16 can be separated from the groove 7 under the action of manual intervention on the fixed block 16.

After the lower escape door 2 is fixed and limited vertically to the ground through the fixing device, the fixing block 16 is manually broken to separate the lower escape door from the limit of the groove 7, the anti-falling door is opened to form anti-falling protection on the other side of the opening of the lower escape door after the lower escape door 2 is opened, and in order to fix the formed anti-falling mode, the upper escape door 1 is provided with a buckle device for limiting and fixing the clamping of the anti-falling door; the specific implementation mode is as follows: the cavity 10 is formed in the upper escape door 1, the second rotating shaft 11 is arranged in the cavity 10, the fixture block 12 is sleeved on the second rotating shaft 11, the fixture block 12 can rotate around the second rotating shaft 11, the rotation can be set to be a rotation mode with damping, the fixture block 16 is hidden in the cavity 10 under the effect of no human intervention or other external force, when the fixture block 16 needs to be pulled off and the clamping limit and the fixing of the anti-falling door are realized, the clamp block 16 is manually pulled off and the clamping is clamped into the groove 7 of the anti-falling door, and the clamping limit and the fixing of the anti-falling door are realized.

The utility model discloses an go up emergency exits 1, lower emergency exits 2, dropproof door and tunnel lateral wall, to the opening after opening the emergency exits formation a circumference's protection, the effectual personnel of having avoided falls from the opening part under the unclear open-ended condition.

Meanwhile, in order to facilitate the opening of the escape door, the handle cavities 15 which are convenient to open are arranged on the upper escape door 1 and the lower escape door 2, the handle cavities serve as acting points of the upper escape door and the lower escape door, the upper escape door 1 and the lower escape door 2 can be conveniently opened, and meanwhile, the surface unevenness of the escape door caused by the arrangement of an outward convex structure serving as the acting points is also avoided.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tunnel is with double-deck safe type ground fire prevention escape door system which characterized in that: the anti-falling device comprises an upper escape door (1) and a lower escape door (2) which are hinged above a tunnel escape channel and are oppositely arranged, a falling-proof door (3) hinged to the bottom surface of the lower escape door (2), a limiting device arranged on the side wall of the tunnel and used for fixing and limiting the upper escape door (1) and the lower escape door (2) in an opening state, a fixing device arranged on the lower escape door (2) and used for fixing the falling-proof door (3), and a buckle device arranged in the upper escape door (1) and used for fixing the falling-proof door (3) when the falling-proof door is opened.

2. The double-layer safety type ground fireproof escape door system for the tunnel according to claim 1, wherein: stop device including offer mounting hole (4) on the tunnel lateral wall, set up in mounting hole (4) and be used for with go up emergency exits (1) with lower emergency exits (2) matched with spacing locking piece (5), and set up in mounting hole (4) and with spacing locking piece (5) assorted guide rail (6).

3. The tunnel double-layer safety type ground fireproof escape door system according to claim 2, wherein: the limiting locking block (5) is in an inverted concave shape.

4. The double-layer safety type ground fireproof escape door system for the tunnel according to claim 1, wherein: the fixing device comprises a groove (7) arranged on the anti-falling door (3), a first rotating shaft (8) fixed on the bottom surface of the lower escape door (2), and a fixing block (16) sleeved on the rotating shaft and matched with the groove (7); wherein the fixed block (16) can rotate around the first rotating shaft (8).

5. The double-layer safety type ground fireproof escape door system for the tunnel according to claim 4, wherein: the fixed block (16) is also provided with a spring (9) for preventing the fixed block (16) from falling out of the groove (7).

6. The double-layer safety type ground fireproof escape door system for the tunnel according to claim 4, wherein: the buckle device comprises a concave cavity (10) arranged in the upper escape door (1), a second rotating shaft (11) arranged in the concave cavity (10), and a clamping block (12) which is arranged in the concave cavity (10), sleeved on the second rotating shaft (11) and matched with the groove (7); the fixture block (12) can rotate around the second rotating shaft (11).

7. The tunnel double-layer safety type ground fireproof escape door system according to any one of claims 1 to 6, wherein: be equipped with down edge (13) on lower emergency exits (2), be equipped with on last emergency exits (1) and go up edge (14), it closes to go up edge (14) lid realize on lower edge (13) go up emergency exits (1) with the lid of lower emergency exits (2) closes sealedly.

8. The tunnel double-layer safety type ground fireproof escape door system according to any one of claims 1 to 6, wherein: the upper escape door (1) and the lower escape door (2) are both provided with handle cavities (15) which are convenient to open.