Protection structure and buried manhole

Abstract

The protection structure comprises a main body and a shielding assembly, a first air inlet is formed in the top wall of the main body, the shielding assembly comprises a cover plate and a supporting piece, the cover plate is supported above the top wall through the supporting piece and is provided with a second air inlet staggered with the first air inlet, and the first air inlet is communicated with the second air inlet. And a drainage mechanism is further arranged on the main body, specifically, a drainage ditch surrounding the periphery of the first air inlet is arranged, falling rainwater is shielded by the cover plate, rainwater falling from the second air inlet is collected into the drainage ditch on the upper side of the top wall to be drained, it is avoided that the rainwater falls into the well through the first air inlet, and the rainproof effect of protecting equipment in the well is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a civil air defence engineering technical field, concretely relates to a protection structure and lower buried civil air defence air shaft. BACKGROUND

[0002] Civil air defence engineering includes the underground protective building that is built alone for guaranteeing personnel and material shelter in wartime, air defence command, medical aid etc., and civil air defence setting is generally located in the underground second floor of multistory building and below second floor. In order to make the activity of people in underground building normal, the air quality in underground building needs to have good guarantee, therefore, the air shaft structure for civil air defence engineering is reserved in multistory building and underground building, and the air shaft structure is mainly used for ventilation, and the well ladder assembly for crawling of repair personnel can be arranged in the inside.

[0003] In prior art, the air inlet of lower buried civil air defence air shaft is generally designed at the top, this is because if the air inlet is arranged at the side of structure, the structure cannot be completely buried below ground, and there is the case of protruding from ground, which not only affects the environment appearance, but also can cause the limitation of site use. However, the air inlet arranged at the top cannot effectively prevent rain, which can cause the civil air defence air shaft to be flooded, and further affect the service life of internal equipment of civil air defence air shaft. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a protection structure and lower buried civil air defence air shaft that can effectively prevent rain and protect internal equipment.

[0005] To solve the above technical problem, the utility model provides a protection structure, which comprises:

[0006] A main body, wherein an air shaft extending in the up-down direction is formed in the main body, the main body comprises a top wall and a side wall extending downward from the top wall, a first air inlet communicating with the air shaft is arranged on the top wall, and an exhaust port communicating with the air shaft is arranged on the side wall; and

[0007] A shielding assembly, which comprises a cover plate and a supporting piece, the cover plate is arranged in a spaced manner above the top wall, the supporting piece is fixed between the cover plate and the top wall to support the cover plate, a second air inlet is formed in the cover plate, and the projection of the second air inlet and the first air inlet in the up-down direction is staggered.

[0008] The main body is further provided with a drainage mechanism, and the drainage mechanism comprises a drainage ditch surrounding the outer periphery of the first air inlet, and the drainage ditch is concavely arranged on the upper side of the top wall.

[0009] Optionally, the drainage mechanism further comprises a drainage pipe arranged on the main body and a drainage groove communicating the drainage ditch and the drainage pipe, and the drainage pipe extends in the up-down direction.

[0010] Optionally, the shielding assembly further comprises a heat-insulating sun-shielding plate arranged on the upper side of the cover plate.

[0011] Optionally, the outer periphery of the cover plate is provided with a downwardly bent edge plate.

[0012] Optionally, the protection structure further comprises a first shutter and a second shutter, the first shutter is arranged on the first air inlet in a hingedly openable manner, the second shutter is arranged on the second air inlet in a hingedly openable manner, and air grates are arranged on the first shutter and the second shutter respectively.

[0013] Optionally, anti-skid handles are arranged on the lower sides of the cover plate, the first shutter and the second shutter.

[0014] To solve the above technical problems, the utility model provides a lower buried civil air defense well, which comprises:

[0015] A protection structure, which is the protection structure as described above, wherein the exhaust ports are oppositely arranged in two in the transverse direction.

[0016] Two air exchange fans are arranged on the lower side of the top wall, the air exchange fans are oppositely arranged in two on the two sides of the first air inlet, the air inlets of the air exchange fans are oppositely arranged and face the first air inlet, and the air outlets of the air exchange fans face the corresponding exhaust ports.

[0017] An escape assembly is arranged on the side wall, the escape assembly comprises a first escape ladder that extends upwards to the lower side of the first air inlet.

[0018] Optionally, the escape assembly further comprises an escape platform and a second escape ladder, the escape platform is horizontally cantilevered on the side wall and located below the first air inlet, the second escape ladder extends upwards from the lower end of the shaft to the upper side of the escape platform, and the first escape ladder extends upwards from the upper side of the platform.

[0019] Optionally, the utility model further comprises a fire extinguishing mechanism arranged on the lower side of the escape platform.

[0020] The fire extinguishing mechanism comprises a water storage tank, a drain valve and a porous spray disc fixed on the lower side of the escape platform, the water storage tank is arranged on the escape platform, the water outlet side of the porous spray disc is arranged downwards and is communicated with the water storage tank through the drain valve.

[0021] The fire extinguishing mechanism further comprises a dry powder storage tank, a spray gun pipe and a delivery pump arranged on the water storage tank, the spray gun pipe is movably arranged on the lower side of the water storage tank and is communicated with the dry powder storage tank through the delivery pump.

[0022] Optionally, the escape assembly further comprises a fire-retardant plate arranged at the lower end of the shaft, the fire-retardant plate being arranged below the second escape ladder.

[0023] The technical scheme provided by the utility model has the following advantages:

[0024] The utility model discloses a protection structure and under -buried civil air defence well, protection structure includes main part and sheltering subassembly, the top wall of main part is equipped with first air inlet, and the sheltering subassembly includes apron and support piece, and apron is supported in the top of top wall through support piece, and is equipped with second air inlet with first air inlet staggered, still be provided with drainage mechanism on the main part, and it is surrounded with the drainage ditch of first air inlet periphery in particular setting, and the rainwater of falling is sheltered from apron, and the rainwater of falling from second air inlet is gathered to drainage ditch on top wall upper side and is drained away, avoids the rainwater through first air inlet and falls into the shaft, plays the rainproof effect of protection shaft internal equipment. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, below will be to the drawing needed to use in the specific embodiment or prior art description briefly introduce, obviously, the drawing in following description is some implementation of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0026] Figure 1 It is the three-dimensional structure schematic diagram of an embodiment of the civil air defence well provided by the utility model;

[0027] Figure 2 It is Figure 1 It is the front view sectional view of the civil air defence well;

[0028] Figure 3 It is Figure 2 It is the enlarged schematic view of A in the civil air defence well;

[0029] Figure 4 It is Figure 2 It is the sectional view of the fire extinguishing mechanism;

[0030] Figure 5 It is Figure 4 It is the bottom view of the multi-hole spray tray.

[0031] MARKS OF THE DRAWINGS:

[0032] 1 - body; 11 - top wall; 12 - side wall; 13 - first baffle door; 14 - exhaust port; 2 - shielding assembly; 21 - cover plate; 22 - support; 23 - heat insulation and sun protection plate; 24 - edge plate; 25 - second baffle door; 30 - drainage mechanism; 31 - drainage ditch; 32 - drain pipe; 33 - drainage groove; 4 - ventilation fan; 5 - escape assembly; 51 - escape platform; 52 - first escape ladder; 53 - second escape ladder; 54 - fire-retardant plate; 6 - fire extinguishing mechanism; 61 - water storage tank; 62 - delivery pump; 63 - drain valve; 64 - porous spray disc; 65 - dry powder storage tank; 66 - spray gun pipe; 7 - anti-skid handle. DETAILED DESCRIPTION

[0033] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the utility model, not all. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0034] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, not necessarily to describe a specific order or sequence.

[0035] Please refer to Figures 1 to 5 The utility model provides a protection structure and a buried civil air defense air shaft including same. The buried civil air defense air shaft has a structure completely buried below a ground level. The civil air defense air shaft structure can be applied to ventilation measures of an underground parking lot.

[0036] Specifically, the civil air defense air shaft structure includes a protection structure. The protection structure includes a body 1 and a shielding assembly 2. The body 1 is generally made of reinforced concrete pouring. An up-down direction extending shaft is formed in the body 1. A door opening can be formed at a lower end of the shaft. A fireproof door is arranged at the door opening. In this way, when a fire hazard occurs in the parking lot, personnel in the parking lot can escape to the shaft for shelter and close the fireproof door to seal and block the extension of the fire.

[0037] The main body 1 comprises a top wall 11 and a side wall 12 extending downward from the top wall 11, the top wall 11 is arranged at the top end of the shaft, and a first air inlet is arranged on the top wall 11, the first air inlet is used to introduce fresh air into the shaft, and an air outlet 14 is arranged on the side wall 12. Preferably, the air outlets 14 are oppositely arranged in the transverse direction, and preferably, the buried civil air shaft further comprises an air exchange fan 4 arranged in the shaft. The air exchange fan 4 is installed on the lower side of the top wall 11, the air exchange fan 4 is provided with two air exchange fans 4, the two air exchange fans 4 are arranged on the two sides of the first air inlet, and the air inlet sides of the two air exchange fans 4 are oppositely arranged and face the first air inlet. The air outlet side of each air exchange fan 4 is arranged to face the corresponding air outlet 14. In this way, sufficient fresh air is provided to maintain the air quality in the basement.

[0038] Further, the shielding assembly 2 comprises a cover plate 21 and a support 22, the cover plate 21 is arranged above the top wall 11 and spaced from the top wall 11, and the support 22 is fixed between the cover plate 21 and the top wall 11 to support the cover plate 21. A second air inlet is arranged on the cover plate 21, so that air flows from the second air inlet into the first air inlet and then into the shaft. The projections of the second air inlet and the first air inlet in the vertical direction are staggered with each other, and a drainage mechanism 30 is further arranged on the main body 1, the drainage mechanism 30 comprises a drainage ditch 31 surrounding the outer periphery of the first air inlet, and the drainage ditch 31 is recessed on the upper side of the top wall 11. When there is water accumulation on the upper part of the cover plate 21 or when it falls, the water will not directly fall from the second air inlet into the first air inlet, but will be received by the upper side of the top wall 11. Then the water is collected through the drainage ditch 31 and is uniformly drained away, avoiding the case that the water falls into the shaft and damages the equipment inside the shaft.

[0039] A shutter 13 is arranged on the opening, the shutter 13 is provided with a ventilation hole, and the shutter 13 is arranged to be openable upward, preferably, the shutter 13 is arranged to be rotatable upward, and preferably, an anti-slip handle 720 is installed on the lower side of the shutter 13 to facilitate the opening of the shutter 13 upward by the personnel inside the shaft 14.

[0040] Please refer to Figure 2 and Figure 3 The drainage mechanism 30 further comprises a drainage pipe 32 arranged on the main body 1, and a drainage groove 33 communicating the drainage ditch 31 and the drainage pipe 32, and the drainage pipe 32 extends in the vertical direction. In this embodiment, rainwater is collected through the drainage ditch 31 and flows into the drainage pipe 32 through the drainage groove 33, specifically, the drainage pipe 32 can communicate with the drainage facilities in the basement, such as a water collecting well, so as to drain away the water.

[0041] Further, the shielding assembly 2 further comprises a heat insulation and sun protection board 23 arranged on the upper side of the cover plate 21. The heat insulation and sun protection board plays a role of heat insulation and sun protection, avoiding the temperature inside the shaft from being too high.

[0042] Optionally, the outer periphery of the cover plate 21 is provided with a downwardly bent side plate 24. The side plate 24 is used to connect with the adjacent floor bearing structure and make up the height difference when the upper side of the cover plate 21 is higher than the floor.

[0043] Optionally, the protection structure further comprises a first shutter 13 and a second shutter 25. The first shutter 13 is arranged on the first air inlet and is openable and closable. The second shutter 25 is arranged on the second air inlet and is openable and closable. The first shutter 13 and the second shutter 25 are respectively provided with air grilles. In this way, the first shutter 13 and the second shutter 25 play a role of ventilation while preventing animals or other large-sized sundries from entering the shaft. When maintenance is needed, the shutters can be opened to facilitate repair operation.

[0044] Preferably, the first shutter 13 is upwardly rotatably mounted on the top wall 11. The second shutter 25 is upwardly rotatably mounted on the cover plate 21. The lower sides of the first shutter 13 and the second shutter 25 are respectively provided with anti-slip handles 7.

[0045] In the case of the shaft as an escape passage in the event of a fire in the basement, the escape personnel can rotate the first shutter 13 and the second shutter 25 upwardly from the lower side and operate the anti-slip handles 7 to save escape time.

[0046] On the basis of the above embodiment, please refer to Figures 3 to 5 The underground civil air defense well further comprises an escape assembly 5 mounted on the side wall 12 for personnel to escape. Specifically, the escape assembly 5 comprises a first escape ladder 52 extending upwardly to the lower side of the first air inlet. In this way, the escape personnel can climb to the lower side of the first air inlet through the first escape ladder 52 and open the first shutter 13 upwardly to realize escape.

[0047] Further, the escape assembly 5 further comprises an escape platform 51 and a second escape ladder 53. The escape platform 51 is horizontally cantilevered on the side wall 12 and located below the first air inlet. The second escape ladder 53 extends upwardly from the lower end of the shaft to the upper side of the escape platform 51. The first escape ladder 52 extends upwardly from the upper side of the platform.

[0048] Specifically, the escape platform 51 is horizontally cantilevered on the sidewall 12 below the first air inlet, preferably integrally cast with the main body 1. A plurality of second escape ladders 53 are installed and distributed on sidewalls 12 of different orientations. Preferably, both the first escape ladder 52 and the second escape ladder 53 are anti-scald ladders. When a fire occurs in the parking lot, personnel far from the conventional escape channel can escape to the civil air shaft, enter the shaft, climb the second escape ladder 53 to the escape platform 51, and wait temporarily, then orderly climb the first escape ladder 52 to the bottom of the first air inlet, open the first door 13 upward to escape. The design of the escape platform 51 not only makes the escape personnel farther away from the fire, but also provides a temporary waiting point for personnel to climb upward, preventing personnel from congesting at narrow openings. It also allows more escape personnel to be accommodated in the shaft, increasing the personnel carrying capacity of the shaft, thereby increasing the survival probability of escape personnel.

[0049] Further, in order to prevent the fire from spreading into the shaft and causing dangerous situations in the shaft, in this embodiment, the underside of the escape platform 51 is provided with a fire extinguishing mechanism 6. When a fire occurs in the shaft, the fire extinguishing mechanism 6 can automatically or manually provide fire extinguishing measures, including but not limited to water spraying, dry powder spraying, etc.

[0050] Specifically, the fire extinguishing mechanism 6 includes a water storage tank 61 fixed to the underside of the escape platform 51, a drain valve 63, and a porous spraying disc 64. The water storage tank 61 is installed on the escape platform 51, the water outlet side of the porous spraying disc 64 is downwardly arranged, and is connected to the water storage tank 61 through the drain valve 63. When a fire occurs in the shaft, personnel can operate the drain valve 63 to open and spray water downward through the porous spraying disc 64 to control the fire.

[0051] Further, the fire extinguishing mechanism 6 also includes a dry powder storage tank 65, a lance pipe 66, and a delivery pump 62 installed on the water tank. The lance pipe 66 is movably installed on the underside of the water tank and is connected to the dry powder storage tank 65 through the delivery pump 62. Through the lance pipe 66, on the one hand, it can concentrate on handling the fire that cannot be controlled by water spraying, and on the other hand, it can provide reliable fire extinguishing measures in case of fire on the upside of the escape platform 51, further improving the escape probability of escape personnel.

[0052] Optionally, the underside of the shaft is provided with a fire-retardant plate 54, which is arranged below the second escape ladder 53. In this embodiment, the fire-retardant plate 541 has the effect of bottom fire-retardant and heat-insulating to prepare for the temporary standing of personnel before climbing upward.

[0053] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, other different forms of changes or variations can be made by those skilled in the art without creative labor, and all should belong to the protection scope of the present application.

Claims

1. A protective structure, characterized in that, The utility model relates to a protection structure of elevator shaft, including: a main body, a hoistway extending in the up-down direction is formed in the main body, the main body includes a top wall and a side wall extending downward from the top wall, a first air inlet communicating with the hoistway is arranged on the top wall, and an exhaust port communicating with the hoistway is arranged on the side wall; And, a shielding assembly including a cover plate and a support, the cover plate is spaced apart from the top wall above the top wall, the support is fixed between the cover plate and the top wall to support the cover plate, a second air inlet is formed in the cover plate, and the projection of the second air inlet and the first air inlet in the up-down direction is staggered with each other; Wherein, the main body is further provided with a drainage mechanism, the drainage mechanism includes a drainage ditch around the outer periphery of the first air inlet, and the drainage ditch is concave with the upper side of the top wall.

2. The protective structure of claim 1, wherein, The drainage mechanism further includes a drainage pipe arranged on the main body and a drainage groove communicating the drainage ditch and the drainage pipe, and the drainage pipe extends in the up-down direction.

3. The protective structure of claim 1, wherein, The shielding assembly further includes a heat insulation and sun protection plate covering the upper side of the cover plate.

4. The protective structure of claim 1, wherein, The outer periphery of the cover plate is annularly provided with a downwardly bent edge plate.

5. The protective structure of any one of claims 1 to 4, wherein, The protection structure further includes a first shutter and a second shutter, the first shutter is coveringly arranged on the first air inlet, the second shutter is coveringly arranged on the second air inlet, and air grilles are respectively arranged on the first shutter and the second shutter.

6. The protective structure of claim 5, wherein, The first shutter is rotatably mounted on the top wall, the second shutter is rotatably mounted on the cover plate, and anti-slip handles are respectively arranged on the lower sides of the first shutter and the second shutter.

7. A below-grade air-raid well, characterized by, The utility model relates to a protection structure of elevator shaft, including: a protection structure, the protection structure is as claimed in claim 5 or 6, wherein the exhaust port is oppositely arranged with two in the transverse direction; an air exchange fan is installed on the lower side of the top wall, the air exchange fan is provided with two, two air exchange fans are separately arranged on the two sides of the first air inlet, and the air inlet sides of two air exchange fans are oppositely arranged and all face the first air inlet, and the air outlet side of each air exchange fan is arranged towards the corresponding exhaust port; And, an escape assembly is installed on the side wall, the escape assembly includes a first escape ladder that extends upwards to the lower side of the first air inlet.

8. The below-grade storm shelter of claim 7, wherein, The escape assembly further includes an escape platform and a second escape ladder, the escape platform is horizontally cantilevered on the side wall and located below the first air inlet, the second escape ladder extends upwards from the lower end of the hoistway to the upper side of the escape platform, and the first escape ladder extends upwards on the upper side of the platform.

9. The below-grade storm shelter of claim 8, wherein, Further including a fire extinguishing mechanism installed on the lower side of the escape platform; The fire extinguishing mechanism includes a water storage tank fixed on the lower side of the escape platform, a drain valve and a porous spray disc, the water storage tank is installed on the escape platform, the water outlet side of the porous spray disc faces downwards and is communicated with the water storage tank through the drain valve; The fire extinguishing mechanism further includes a dry powder storage tank installed on the water tank, a spray gun pipe and a delivery pump, the spray gun pipe is movably installed on the lower side of the water tank and is communicated with the dry powder storage tank through the delivery pump.

10. The windproof well of claim 8, wherein The escape assembly further includes a fire retardant panel disposed at a lower end of the shaft, the fire retardant panel disposed below the second escape ladder.

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