CN216788480U - Emergency protection device for underground building construction - Google Patents
Emergency protection device for underground building construction Download PDFInfo
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- CN216788480U CN216788480U CN202122464382.1U CN202122464382U CN216788480U CN 216788480 U CN216788480 U CN 216788480U CN 202122464382 U CN202122464382 U CN 202122464382U CN 216788480 U CN216788480 U CN 216788480U
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- door
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Abstract
The utility model discloses an emergency protection device for underground building construction, which comprises a door frame and a door plate, wherein the door frame is arranged on a bottom plate of an underground building in advance, the door plate is arranged on the door frame, the emergency protection device further comprises an injection port, and the injection port comprises a door frame ball valve arranged at the door frame and a door plate ball valve arranged at the door plate. According to the utility model, the door frame and the door plate with high strength are arranged, and the ball valves are respectively arranged on the door frame and the door plate, so that the door plate can be closed immediately once a dangerous case or accident occurs, the loss caused by the accident is greatly reduced, and the bottom plate is subjected to grouting reinforcement through the door plate ball valves, so that the water and soil loss is avoided, and the accident hazard is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of underground building construction, in particular to an emergency protection device for underground building construction.
Background
Along with the high-speed development of cities, subways are used as novel vehicles and play an increasingly important role in reducing urban traffic pressure. At present, the most common construction methods in subway engineering generally include open excavation, shallow excavation and shield tunneling. The shield method is widely used because of its advantages of high average tunneling speed, safe construction, easy control of settlement, good quality of the formed tunnel structure, etc.
However, the shield method has many problems in practical application environments, and for example, there are sometimes obstacles, such as steel sheet piles and H-section steel piles left behind, which are present below tall buildings, underground walkways, underground highways, underground pipe galleries, etc., and which hinder the construction of tunnels, underground pipe galleries, etc. constructed by the shield method. The underground structure below often soil and water pressure is big, very easily appears gushing water and gushing sand after the bottom plate breaks away, if deal with untimely, can lead to the whole settlement of structure, warp, ground subsides etc. harm greatly.
Therefore, how to deal with the occurrence of dangerous situations in advance when the floor of the underground building is broken is particularly important, and is an important subject for those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the emergency protection device for underground building construction, which has the advantages of simple structure and reasonable design, and can close the door panel immediately once a dangerous case or accident occurs, thereby greatly reducing the loss caused by the accident.
In order to achieve the purpose, the utility model provides an emergency protection device for underground building construction, which comprises a door frame and a door plate, wherein the door frame is arranged on a bottom plate of an underground building in advance, the door plate is arranged on the door frame, the emergency protection device further comprises an injection port, and the injection port comprises a door frame ball valve arranged at the door frame and a door plate ball valve arranged at the door plate.
Further, the door frame ball valve set up in the first side of door frame and door frame second side of door frame, the equidistant even setting of door frame ball valve of the first side of door frame, the interval is 500mm between the door frame ball valve of the first side of door frame, the equidistant even setting of door frame ball valve of the second side of door frame, the interval is 500mm between the door frame ball valve of the second side of door frame.
Furthermore, the door frame adopts a channel steel structure, and the channel steel structure is provided with a door frame stiffened plate.
Further, the thickness of the door frame reinforced plate is preferably 5 mm.
Furthermore, door frame bolt holes are formed in the periphery of the door frame, door plate bolt holes matched with the door frame bolt holes are formed in the periphery of the door plate, and the door plate is installed on the door frame through the door frame bolt holes and the door plate bolt holes in a screwed mode.
Further, the door frame bolt hole is equidistant evenly to be set up, the interval is 250mm between the door frame bolt hole, the door plant bolt hole is equidistant evenly to be set up, the interval is 250mm between the door plant bolt hole.
Furthermore, the door plate comprises a plurality of cover plates, the cover plates are also provided with cover plate stiffened plates, and the cover plate stiffened plates are at least arranged at the splicing connection positions of the adjacent cover plates.
Further, the thickness of the cover plate is preferably 5mm, and the thickness of the cover plate reinforcement plate is preferably 5 mm.
Furthermore, cover plate bolt holes are formed in cover plate reinforcing plates at the assembling and connecting positions of adjacent cover plates, and the adjacent cover plates are connected by screwing cover plate bolts into the cover plate bolt holes.
Further, the cover plate bolt is preferably an M5 bolt.
Further, be equipped with first rubber pad between the adjacent apron, the thickness of first rubber pad is 2 mm.
Further, a second rubber pad is arranged between the door frame and the door panel, and the thickness of the second rubber pad is 10 mm.
Furthermore, the bottom plate comprises an upper layer main rib, and the door frame and the upper layer main rib are arranged on the bottom plate of the underground building in advance through welding.
Through the technical scheme provided by the utility model, the utility model at least has the following technical effects:
according to the emergency protection device for underground building construction, the door frame and the door panel with high strength are arranged, the ball valves are respectively arranged on the door frame and the door panel, once a dangerous case or accident occurs, the door panel can be immediately closed, loss caused by the accident is greatly reduced, and further weight can be pressed above the door panel to balance underground water and soil pressure without excessively worrying whether the bearing capacity of the door panel can meet the requirement. The door plate of the utility model is composed of a plurality of cover plates, has simple structure, convenient assembly and combination, light weight of a single plate and convenient manual carrying. Simultaneously, the bottom plate is grouted and reinforced through the door plate ball valve, so that water and soil loss is avoided, and accident damage is greatly reduced.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural view of an emergency guard for underground building construction according to the present invention;
FIG. 2 is a partial enlarged view of the area A of FIG. 1;
FIG. 3 is a schematic view of a door frame structure according to the present invention;
FIG. 4 is a schematic view of a door panel according to the present invention;
fig. 5 is a partially enlarged view of the region B of fig. 4.
Reference numerals: 1, a door frame; 2, a door panel; 21 a cover plate; 22 cover plate stiffened plates; 23 cover plate bolts; 3, a bottom plate; 31 upper main ribs; 4, adding a rib plate on the doorframe; 5, a bolt hole of the door frame; 6 door panel bolt holes; 7, bolts; 8 a first rubber pad; 9 a second rubber pad; 10 a doorframe ball valve; 11 a door panel ball valve; 12 a first side of the doorframe; 13 a second side edge of the door frame; 14 cement
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration and explanation only, not limitation.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like are generally described with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, or gravitational direction.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an emergency guard for underground building construction according to the present invention, and fig. 2 is a partially enlarged view of a region a in fig. 1, the emergency guard for underground building construction according to the present invention includes a door frame 1 and a door panel 2, the door frame 1 is pre-installed on a bottom plate 3 of an underground building, wherein the bottom plate 3 includes an upper main rib 31, and the door frame 1 and the upper main rib 31 are pre-installed on the bottom plate 3 of the underground building by welding.
In the embodiment of the utility model, the door frame 1 can adopt 14B channel steel. The doorframe 1 is also provided with a doorframe stiffened plate 4, and the thickness of the doorframe stiffened plate 4 can be 5mm, so that no limitation is set. The 14B channel steel and the doorframe stiffened plate 4 form a rectangular frame through welding, namely the doorframe 1 of the utility model is formed. As shown in fig. 3, fig. 3 is a schematic view of a door frame structure provided by the present invention, and it can be seen that door frame bolt holes 5 are arranged around a door frame 1, the door frame bolt holes 5 are uniformly arranged at equal intervals, the interval between the door frame bolt holes 5 may be 250mm, and the door frame bolt holes 5 may be M20 bolt holes, which is not limited herein.
As shown in fig. 4, fig. 4 is a schematic structural diagram of the door panel provided by the present invention, and it can be seen that the door panel 2 includes a plurality of cover plates 21, in an embodiment, the cover plates 21 are of a steel plate structure, cover plate reinforcing plates 22 are welded to the cover plates 21, the cover plate reinforcing plates 22 are at least arranged at the splicing connection positions of two adjacent cover plates 21, and the arrangement of the cover plate reinforcing plates 22 improves the rigidity and strength of the cover plates 21. The thickness of the cover plate 21 may be 5mm, the length may be 1.2m, the width may be 0.5m, the thickness of the cover plate stiffened plate 22 may be 5mm, the width may be 30mm, and the specifications of the cover plate and the cover plate stiffened plate may also be selected according to the door panel, which is not limited herein.
The cover plate reinforcing plate 22 at the splicing joint of two adjacent cover plates 21 is provided with cover plate bolt holes (not shown), the spacing between the cover plate bolt holes can be 250mm, as shown in fig. 5, fig. 5 is a partial enlarged view of the area B of fig. 4, two adjacent cover plates 21 are connected by screwing the cover plate bolts 23 into the cover plate bolt holes, and the cover plate bolts 23 are M5 bolts, including but not limited to. The door plate is composed of a plurality of cover plates, a single cover plate is light in weight and convenient to carry by manpower, the cover plates can be conveniently picked up when not used, a construction area is not occupied, corresponding sizes can be customized according to the construction range requirements of underground buildings, the structure is simple, and the assembly and the combination are convenient.
As shown in fig. 5, in an embodiment, a first rubber gasket 8 is disposed between two adjacent cover plates 21, and the thickness of the first rubber gasket 8 may be 2mm to ensure the sealing and waterproof of the door panel 2.
As shown in fig. 4, the door panel 2 is provided with the door panel bolt holes 6 all around, the door panel bolt holes 6 are uniformly arranged at equal intervals, the interval between the door panel bolt holes 6 can be 250mm, namely, the door panel bolt holes 6 are arranged to be matched with the door frame bolt holes 5, so that the door panel 2 can be installed on the door frame 1 by screwing the bolts 7 into the door frame bolt holes 5 and the door panel bolt holes 6, and the limitation is not limited herein. The door panel bolt hole 6 may be an M20 bolt hole, including but not limited to. The bolt 7 can be an M20 high-strength bolt. According to the emergency protection device for underground building construction, the door plate can be closed immediately once a dangerous case or accident occurs, loss caused by the accident is greatly reduced, and weight can be further pressed above the door plate, for example, the weight is pressed by a sand bag, so that underground water and soil pressure is balanced, and the condition that whether the bearing capacity of the door plate can meet the requirement or not is not excessively worried.
In an embodiment, a second rubber gasket 9 is disposed between the door frame 1 and the door panel 2 to ensure sealing and waterproof, and the thickness of the second rubber gasket 9 may be 10mm, including but not limited thereto.
Emergent protector still includes the filling opening, and the filling opening is including setting up in the door frame ball valve 10 of door frame 1 department and setting up in the door plant ball valve 11 of door plant 2 department. As shown in fig. 3, in an embodiment, the doorframe ball valve 10 is disposed on a doorframe first side 12 and a doorframe second side 13, the doorframe ball valve 10 on the doorframe first side 12 is uniformly disposed at equal intervals, the doorframe ball valve 10 on the doorframe first side 12 is spaced at 500mm intervals, the doorframe ball valve 10 on the doorframe second side 13 is uniformly disposed at equal intervals, the doorframe ball valve 10 on the doorframe second side 13 is spaced at 500mm intervals, and the doorframe ball valve 10 can adopt a 2-inch ball valve. Of course, in other embodiments, the specification and the distance of the doorframe ball valve may be selected according to the size of the doorframe, and no limitation is placed herein. The door frame ball valve is arranged on the door frame, so that the door frame ball valve can be used for relieving pressure in the process of closing the door plate when water and sand gush occur in the process of excavating the bottom plate of an underground building, and can be used as an observation port for observation.
As shown in fig. 4, the gate plate ball valve 11 at the gate plate 2 may be a 2-inch ball valve, and the number may be 16. Of course, in other embodiments, the size and number of the door panel balls may be selected according to the size of the door panel, and are not limited herein. The door plate ball valve is arranged at the door plate, so that double-liquid slurry or polyurethane can be injected into the bottom plate for reinforcement when dangerous cases are treated, water and soil loss is avoided, accident hazards are greatly reduced, and the door plate ball valve can be used as an observation port for observation.
The connection process of the door frame 1 and the bottom plate 3 is as follows:
the method comprises the following steps: chiseling a steel bar protection layer on the upper part of the bottom plate 3 to expose an upper main steel bar 31;
step two: the door frame 1 is welded with the upper main rib 31;
step three: the chiseling position of the steel bar protection layer on the upper part of the bottom plate 3 is densely backfilled by cement 14, and the cement 14 can be cement mortar or double-rapid cement to seal a gap between the door frame 1 and the bottom plate 3 and ensure that the sealing is watertight.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The utility model provides an emergent protector is used in underground building construction, includes door frame and door plant, its characterized in that, the door frame sets up in advance on underground building's bottom plate, the door plant is installed on the door frame, emergent protector still includes the filling opening, the filling opening including set up in door frame ball valve of door frame department with set up in the door plant ball valve of door plant department.
2. The emergency guard of claim 1, wherein the doorframe ball valves are disposed on a first side of the doorframe and a second side of the doorframe, the doorframe ball valves on the first side of the doorframe are equally spaced apart by 500mm, the doorframe ball valves on the second side of the doorframe are equally spaced apart, and the doorframe ball valves on the second side of the doorframe are equally spaced apart by 500 mm.
3. The emergency guard of claim 1, wherein the door frame is a channel steel, and the door frame further comprises a door frame stiffened panel.
4. The emergency guard of claim 1, wherein said door frame has door frame bolt holes formed therein, said door panel has door panel bolt holes formed therein, said door panel is mounted to said door frame by bolts inserted through said door frame bolt holes and said door panel bolt holes.
5. The emergency guard of claim 4, wherein the door frame bolt holes are evenly spaced, the door frame bolt holes are 250mm apart, the door panel bolt holes are evenly spaced, and the door panel bolt holes are 250mm apart.
6. An emergency guard according to claim 1, wherein the door panel includes a plurality of cover plates, and the cover plates further include cover plate stiffening webs disposed at least at the splice connection of adjacent cover plates.
7. The emergency guard of claim 6, wherein the cover plate stiffened panel at the splice connection of adjacent cover plates is provided with cover plate bolt holes, and adjacent cover plates are connected by screwing cover plate bolts into the cover plate bolt holes.
8. An emergency guard according to claim 7, wherein a first rubber pad is provided between adjacent cover plates, the first rubber pad having a thickness of 2 mm.
9. An emergency guard according to claim 1, wherein a second rubber gasket is provided between the door frame and the door panel, the second rubber gasket having a thickness of 10 mm.
10. An emergency guard according to claim 1, wherein the base plate includes an upper layer main reinforcement, and the door frame and the upper layer main reinforcement are previously provided on the base plate of the underground structure by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464382.1U CN216788480U (en) | 2021-10-14 | 2021-10-14 | Emergency protection device for underground building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464382.1U CN216788480U (en) | 2021-10-14 | 2021-10-14 | Emergency protection device for underground building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788480U true CN216788480U (en) | 2022-06-21 |
Family
ID=81998555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122464382.1U Active CN216788480U (en) | 2021-10-14 | 2021-10-14 | Emergency protection device for underground building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788480U (en) |
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2021
- 2021-10-14 CN CN202122464382.1U patent/CN216788480U/en active Active
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