Split mounting type shock absorption and noise reduction steel shortcut for civil air defense basement

Abstract

The utility model discloses a civil air defense basement assembly type shock absorption and noise reduction steel shortcut which comprises a foundation pit formed in a civil air defense basement channel, foundation pit edges are arranged on the two sides of the foundation pit, a concrete leveling layer is laid at the bottom of the foundation pit, and a plurality of sets of steel shortcut mechanisms are arranged in the foundation pit in an assembly mode. The steel shortcut mechanism can absorb shock and reduce noise when vehicles pass through the steel shortcut in the civil air defense basement channel; steel shortcut mechanisms are arranged in a foundation pit of a civil air defense basement channel, rubber layer mechanisms are arranged between the steel shortcut mechanisms, and the rubber layer mechanisms can reduce noise generated by friction between the steel shortcuts, and relates to the technical field of civil air defense basements. Rubber plates are arranged between each group of steel base plates, and rubber anti-vibration pads are arranged between the steel base plates and the side wall and the bottom of the foundation pit, so that metal impact friction between the steel base plates and between the steel base plates and the foundation pit is avoided, vibration and noise can be effectively reduced, and the comfort of the living environment of surrounding residents is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of civil air defence basement, concretely is civil air defence basement assembled type shock absorption and noise reduction steel footpath. BACKGROUND

[0002] With the rapid development of city construction, the number of cars increases rapidly, and the problem of ground parking is increasingly prominent, using the underground civil air defence engineering to do the garage has become one of the main measures to solve this problem, in recent years, the first civil air defence door of civil air defence engineering requires to adopt the fixed threshold civil air defence door, in order to guarantee the normal opening and closing of the door leaf of the civil air defence door, the civil air defence door needs to be set up the drop plate with 200 height difference, at present, the general practice of real estate company is to carry out local structure drop plate processing to the passage in front of the civil air defence door under the premise of guaranteeing that the airtight door leaf can be opened, and the rigid filler is temporarily filled in place, and the remaining area is constructed according to the conventional construction method, the rigid filler can only realize the functions of disassembly and passing, and the problem of shock absorption and noise reduction is not considered, the noise generated in the actual use process not only reduces the experience of vehicle passing, but also seriously affects the daily life of surrounding residents.

[0003] Therefore, it is necessary to provide the civil air defence basement assembled type shock absorption and noise reduction steel footpath. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing the civil air defence basement assembled type shock absorption and noise reduction steel footpath to solve the problems in the above background technology.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The civil air defence basement assembled type shock absorption and noise reduction steel footpath, including the foundation pit that is opened on the passage of civil air defence basement, the two sides of the foundation pit are provided with foundation pit side, the bottom of the foundation pit is paved with concrete leveling layer, a plurality of groups of steel footpath mechanisms are assembled in the inside of the foundation pit, the steel footpath mechanism can shock absorption and noise reduction when the steel footpath passes in the passage of civil air defence basement;

[0007] The rubber layer mechanism is arranged between the steel footpath mechanisms, and the rubber layer mechanism can reduce the noise generated by the friction between the steel footpaths.

[0008] Preferably, the steel footpath mechanism comprises an angle steel frame and a steel backing plate, the steel backing plate is welded on the top of the angle steel frame, the angle steel frames are sequentially arranged and placed in the foundation pit, and the lower end of the angle steel frame is matched with the foundation pit and is inclined.

[0009] Preferably, the first rubber buffer pad is arranged on the two ends of the angle steel frame through bolts, and a plurality of second rubber buffer pads are arranged on the bottom of the angle steel frame through bolts.

[0010] Preferably, the two side angle steel frames in the foundation pit are welded with angle iron cantilevers.

[0011] Preferably, the rubber layer mechanism comprises a first rubber plate and a second rubber plate, and the first rubber plate and the second rubber plate are respectively inserted between two angle steel frames.

[0012] Preferably, the first rubber plate and the second rubber plate are provided with a slot and a protruding rubber, and the slot and the protruding rubber on the first rubber plate are respectively inserted with the protruding rubber and the slot on the second rubber plate.

[0013] Preferably, a channel steel is assembled on the side of the foundation pit, and the channel steel is welded and connected with the reserved steel bars in the inner wall of the side of the foundation pit.

[0014] Preferably, a water intercepting trench is further arranged on the passageway of the civil air defense basement, and the water intercepting trench is arranged above the foundation pit to intercept water.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood through the practice of the present application.

[0016] Beneficial effects:

[0017] By arranging the assembled steel footpath with good vibration and noise reduction effect in the foundation pit of the civil air defense basement, a plurality of steel pads are assembled into a steel footpath, rubber plates are arranged between each group of steel pads, and rubber vibration reduction pads are arranged between the steel pads and the side wall and the bottom of the foundation pit, so that metal impact and friction between the steel pads and the foundation pit are avoided, the vibration and noise are effectively reduced, the construction cost is reduced, and the comfort of the surrounding residential environment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an installation sectional view of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0019] Figure 2 It is an enlarged view of area A of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0020] Figure 3 It is a bottom view of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0021] Figure 4 It is a structural view of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0022] Figure 5 It is a schematic view of the rubber layer mechanism of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0023] Figure 6 It is an assembled top view of the assembled vibration and noise reduction steel footpath for the civil air defense basement.

[0024] In the figure: 1, foundation pit; 11, concrete leveling layer; 12, foundation pit side; 13, channel steel; 14, water interception ditch; 2, steel sidewalk mechanism; 21, angle steel frame; 22, steel pad; 23, first rubber buffer pad; 24, second rubber buffer pad; 25, angle iron overhang; 3, rubber layer mechanism; 31, first rubber plate; 32, second rubber plate; 33, slot; 34, protruding rubber. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0026] As Figures 1-6 ;

[0027] The anti-aircraft basement assembled damping and noise reduction steel sidewalk comprises a foundation pit 1 opened on an anti-aircraft basement passage, the foundation pit 1 is arranged to facilitate opening and closing of the anti-aircraft basement door and to support and place the steel sidewalk, foundation pit sides 12 are arranged on both sides of the foundation pit 1, reinforcing steel bars are arranged inside the foundation pit sides 12, the foundation pit sides 12 are poured with concrete, channel steels 13 are assembled on the foundation pit sides 12, the channel steels 13 are welded and connected with the reinforcing steel bars reserved in the inner walls of the foundation pit sides 12, the channel steels 13 are made of galvanized channel steels and are densely poured and closed with concrete to improve the strength of the side walls of the foundation pit, avoid damage to the side walls of the foundation pit when vehicles pass through, reduce maintenance cost and make the whole structure beautiful, a concrete leveling layer 11 is arranged at the bottom of the foundation pit 1, fine stone concrete is used to form a ground slope in the range of the foundation pit to form the concrete leveling layer 11, the thinnest part is not less than 40 mm, and the fine stone concrete is poured to a finished elevation of -70 mm in the structure lowering plate area outside the range of the foundation pit 1;

[0028] A plurality of steel sidewalk mechanisms 2 are arranged inside the foundation pit 1 in an assembled manner, the steel sidewalk mechanisms 2 can reduce noise when vehicles pass through the steel sidewalk in the anti-aircraft basement passage, the assembled steel passage replaces the traditional rigid filler which can be disassembled at any time, can realize the functions of rapid disassembly and passage and effectively solve the noise problem generated in the actual use process, has strong practicality in the industry and can shorten the construction period, and a rubber layer mechanism 3 is arranged between the steel sidewalk mechanisms 2, the rubber layer mechanism 3 can reduce noise generated by friction between the steel sidewalks;

[0029] Further, the steel sidewalk mechanism 2 comprises angle steel frames 21 and steel pads 22, the steel pads 22 are welded on the top of the angle steel frames 21, the upper surface of the steel pads 22 is provided with patterns to increase friction, the angle steel frames 21 are welded by galvanized channel steel and angle steel, the angle steel frames 21 are sequentially arranged and placed in the foundation pit 1, the lower end of the angle steel frames 21 is matched with the foundation pit 1 in an inclined manner, the two ends of the angle steel frames 21 are both provided with first rubber buffer pads 23 through bolts, so as to reduce the impact damage of the steel sidewalk to the sidewall of the foundation pit 1 and the bottom frame of the civil air defense door, and reduce noise, the bottom of the angle steel frames 21 is provided with a plurality of second rubber buffer pads 24 through bolts, the second rubber buffer pads 24 are used to buffer the impact of the steel pads 22 on the bottom of the foundation pit 1 when the vehicle passes, and reduce noise, the angle iron overhangs 25 are welded on the angle steel frames 21 on both sides in the foundation pit 1, the angle iron overhangs 25 are used to extend the angle steel frames 21 on both sides outward, and also play a supporting role;

[0030] Further, the rubber layer mechanism 3 comprises first rubber plates 31 and second rubber plates 32, the first rubber plates 31 and the second rubber plates 32 are respectively inserted between the two angle steel frames 21, and are used to buffer the impact and friction between the steel pads 22, and reduce noise, the first rubber plates 31 and the second rubber plates 32 are both provided with insertion grooves 33 and protruding rubbers 34, the insertion grooves 33 and the protruding rubbers 34 on the first rubber plates 31 are respectively inserted with the protruding rubbers 34 and the insertion grooves 33 on the second rubber plates 32, so that the first rubber plates 31 and the second rubber plates 32 are more stable in connection;

[0031] Further, the civil air defense basement passage is also provided with a water intercepting trench 14, the water intercepting trench 14 is arranged above and below the foundation pit 1 to intercept water, a floor drain and a drain pipe are pre-buried in the foundation pit, the floor drain is provided with a finished grate to prevent garbage from blocking the drain pipe, and the ground is provided with a concrete slope towards the side of the floor drain, if rainwater flows into the foundation pit, the rainwater can be drained into the water intercepting trench through the floor drain, and then drained into the municipal sewage system through the pressure drainage system, so as to effectively avoid rainwater deposition.

[0032] The working principle of the utility model is: the base pit side 1 sets up the angle of protection groove steel 13, the groove steel 13 uses galvanized groove steel to make, and uses concrete to pour dense and close, improves the strength of base pit side wall, avoids the destruction of base pit side wall when vehicle passes, reduces maintenance cost and the whole is beautiful, steel footpath mechanism 2 is combined by angle steel frame 21, steel backing plate 22, first rubber buffer pad 23 and second rubber buffer pad 24, the steel backing plate 22 is welded on the top of angle steel frame 21, the both ends of each steel footpath mechanism 2 are provided with first rubber buffer pad 23, reduces the impact damage of steel footpath and base pit 1 side wall and civil air defence door bottom frame, reduces noise simultaneously, the bottom of each steel footpath mechanism 2 is provided with second rubber buffer pad 24, when vehicle passes, the second rubber buffer pad 24 is used for buffering the impact of steel backing plate 22 to base pit 1 bottom, reduces noise simultaneously, the assembled steel passageway replaces the traditional rigid filler that can be disassembled at any time, can realize the functions of quick disassembly and passing, can effectively solve the noise problem generated in the actual use process, the industry practicability is strong and can shorten construction period, the first rubber plate 31 and second rubber plate 32 are inserted between two angle steel frames 21, the insertion slot 33 and protruding rubber 34 on the first rubber plate 31 are respectively inserted with the protruding rubber 34 and insertion slot 33 on the second rubber plate 32, are used for buffering the impact friction between steel backing plate 22, reduce noise simultaneously, and the connection is more stable.

[0033] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A prefabricated shock-absorbing and noise-reducing steel sidewalk for a civil air defense basement, comprising a foundation pit (1) formed on a civil air defense basement passage, both sides of the foundation pit (1) being provided with a foundation pit side (12), and the bottom of the foundation pit (1) being paved with a concrete leveling layer (11), characterized in that: a plurality of groups of steel sidewalk mechanisms (2) are prefabricated inside the foundation pit (1), and the steel sidewalk mechanisms (2) can absorb shock and reduce noise when a vehicle passes through the steel sidewalk in the civil air defense basement passage; a rubber layer mechanism (3) is arranged between the steel sidewalk mechanisms (2), and the rubber layer mechanism (3) can reduce the friction between the steel sidewalks to generate noise.

2. The people's air defense basement assembled damping and noise reduction steel sidewalk according to claim 1, characterized in that: The steel sidewalk mechanism (2) comprises an angle steel frame (21) and a steel backing plate (22), the steel backing plate (22) is welded on the top of the angle steel frame (21), the angle steel frames (21) are sequentially arranged and placed in the foundation pit (1), and the lower end of the angle steel frame (21) is matched with the foundation pit (1) in an inclined manner.

3. The people's air defense basement assembled damping and noise reduction steel footpath according to claim 2, characterized in that: First rubber buffers (23) are mounted on both ends of the angle steel frame (21) through bolts, and a plurality of second rubber buffers (24) are mounted on the bottom of the angle steel frame (21) through bolts.

4. The people's air defense basement assembled damping and noise reduction steel sidewalk according to claim 2, characterized in that: Angle iron overhangs (25) are welded on both sides of the angle steel frame (21) in the foundation pit (1).

5. The people's air defense basement assembled damping and noise reduction steel footpath according to claim 2, characterized in that: The rubber layer mechanism (3) comprises a first rubber plate (31) and a second rubber plate (32), the first rubber plate (31) and the second rubber plate (32) are respectively inserted between two angle steel frames (21).

6. The people's air defense basement assembled damping and noise reduction steel footpath according to claim 5, characterized in that: The first rubber plate (31) and the second rubber plate (32) are both provided with a slot (33) and a protruding rubber (34), and the slot (33) and the protruding rubber (34) on the first rubber plate (31) are respectively inserted with the protruding rubber (34) and the slot (33) on the second rubber plate (32).

7. The people's air defense basement assembled damping and noise reduction steel footpath according to claim 1, characterized in that: A channel steel (13) is assembled on the foundation pit side (12), and the channel steel (13) is welded and connected with the reserved steel bars in the inner wall of the foundation pit side (12).

8. The people's air defense basement assembled damping and noise reduction steel footpath according to claim 1, characterized in that: A water intercepting trench (14) is also formed on the civil air defense basement passage, and the water intercepting trench (14) is arranged above the foundation pit (1) to intercept water.

Images