CN210636900U - Protection closing device for hole opening and hole expanding behind civil air defense wall - Google Patents
Protection closing device for hole opening and hole expanding behind civil air defense wall Download PDFInfo
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- CN210636900U CN210636900U CN201921235198.6U CN201921235198U CN210636900U CN 210636900 U CN210636900 U CN 210636900U CN 201921235198 U CN201921235198 U CN 201921235198U CN 210636900 U CN210636900 U CN 210636900U
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Abstract
The utility model discloses a protective sealing device for hole opening and reaming at the back of a civil air defense wall, which comprises a protective baffle, angle steel, a rubber plate and an expansion water stop adhesive tape and is characterized in that; the protective baffle is a rectangular steel plate structure with a semicircular opening at the center of one side, and the two protective baffles are symmetrically arranged on one end port of the sleeve exposed out of the wall body; the angle steels are symmetrically arranged on two sides of the semicircular openings of the two protective baffles respectively and are fixed together with the protective baffles through welding, and the two protective baffles are connected and fastened through bolts by the angle steels corresponding to the two sides; the rubber plate is arranged between the two protective baffles and the civil air defense wall, and the protective baffles and the civil air defense wall are jointly fixed through expansion bolts. The device has the characteristics of simple construction process, convenient operation, reliable and stable protection sealing performance and the like, greatly improves the convenience of hole protection sealing measures after holes are leaked and staggered on the civil air defense wall, and completely meets the requirement of protection sealing.
Description
Technical Field
The utility model belongs to the technical field of civil air defense engineering protection, concretely relates to trompil, reaming protection obturator behind civil air defense wall.
Background
Civil air defense engineering is an important place for shielding personnel and materials and protecting life and property safety of people in wartime, and is the most important material basis for implementing civil air defense. The civil air defense construction is fundamentally different from the common underground building in that the civil air defense construction can resist the damage of a certain power to kill weapons, namely, the safety of personnel and materials can be guaranteed under the conditions that predetermined nuclear weapons, chemical weapons, biological weapons and conventional weapons attack and secondary disasters occur in cities after the attack. The protective sealing performance of the civil air defense engineering is an important characteristic of the civil air defense engineering, is also an important characteristic of the civil air defense engineering different from other engineering, is well subjected to protective sealing construction, and has important significance for ensuring the construction quality of the civil air defense engineering. The civil air defense wall (civil air defense door frame wall, adjacent hollow wall) is a key facility in civil air defense engineering, and a certain protection sealing performance is ensured to prevent shock waves and toxic gas from permeating, so that the civil air defense wall bushing is embedded in advance in the civil air defense wall bushing, and a certain protection sealing measure is taken at the bushing position. However, in the current practical engineering, the situation that the construction unit is not buried or the sleeve is buried by mistake or the pipeline is added by the design unit often occurs, so that the civil air defense wall needs to be opened or reamed after the civil air defense wall is poured, and the protective sealing performance of the civil air defense wall is difficult to meet the requirement. Therefore, a device which can be conveniently constructed and can completely meet the requirements of protection and sealing when a hole is formed or expanded on the rear part of the civil air defense wall must be developed and designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a trompil behind people's air defense wall, reaming protection obturator, the device utilizes two centers to be semicircular guard flap, fix on the well-established sleeve pipe port behind the trompil behind people's air defense wall through the angle steel, and utilize the rubber slab, the early strong expanding agent, expansion bolts, building materials such as sealed glue of building carry out scientific configuration, set up reasonable parameter, ensure that people's air defense leaks the trompil on the wall, it is more convenient to protect inclosed measure to the hole again behind the wrong hole of division, can reach the inclosed requirement of protection completely again.
The purpose of the utility model can be realized by adopting the following technical scheme: a protective sealing device for opening and reaming a hole in the back of a civil air defense wall comprises a protective baffle A, a protective baffle B, angle steel, a rubber plate, a rubber belt, an expansion water stop rubber strip, a sleeve, an early strength expanding agent and building sealant; the expansion water-stop adhesive tape is respectively arranged at two ends of the sleeve, and the sleeve is placed in the hole with the hole formed in the back of the civil air defense wall after being bonded for a circle around the sleeve; the protective baffle A and the protective baffle B are both of rectangular steel plate structures with semicircular openings in the centers of one sides, the protective baffle A and the protective baffle B are symmetrically arranged on a port at one end of the sleeve exposed out of the wall body, and the two semicircular openings are opposite and clamped on the periphery of the sleeve; the angle steels are symmetrically arranged on two sides of the semicircular openings of the protective baffle A and the protective baffle B respectively, and are fixed together with the protective baffles through welding, and the two protective baffles are connected and fastened through bolts by the angle steels corresponding to the two sides; the rubber plate is arranged between the two protective baffles and the wall body of the civil air defense wall, the rubber plate is adhered to the wall body through building sealing glue, and the rubber plate and the protective baffles are jointly fixed on the wall body of the civil air defense wall through expansion bolts; the rubber belt is embedded between the semicircular openings of the two protective baffles and the sleeve and is bonded around the sleeve in a circle; the early strength expanding agent is poured in a gap between the wall body of the civil air defense wall and the sleeve.
The protective baffle A and the protective baffle B are the same in shape and size, expansion bolt holes are formed in the protective baffle A and the protective baffle B, and the diameter of a round hole formed by the semicircular openings of the two protective baffles is matched with the diameter of the sleeve.
The early strength expanding agent is a coarse sand mixed with an early strength expanding agent which is not less than C40.
The shape of the rubber plate is the same as that of the protective baffle.
When the utility model is implemented, the inside of a hole on a civil air defense wall is chiseled, the civil air defense wall is cleaned, then expansion water-stop adhesive tapes are used for respectively bonding a circle at two ends of a sleeve, then the sleeve is put into the hole, then two protective baffles are clamped at one end port outside the sleeve leaking out of the wall body, simultaneously rubber belts are embedded and pressed between semicircular openings of the two protective baffles and the sleeve, the two protective baffles are bonded around the circle of the sleeve, the two protective baffles are connected and fastened through bolts, meanwhile, a rubber plate is placed between the two protective baffles and the wall body, the rubber plate and the wall body are bonded through building sealant, and then the two protective baffles and the rubber plate are fixed on the wall body together through expansion bolts; after the protective baffle is installed, early strength expanding agent is filled into a gap between the sleeve and the wall body at the position of the supporting template at one end of the sleeve at the other side, the gap is fully filled with the early strength expanding agent, and finally, the periphery of the protective baffle and the middle joint where the rubber plate is connected are sealed by special building sealant.
The utility model has the advantages that: the device has the characteristics of simple construction process, convenient construction operation, reliable and stable protection sealing performance and the like, greatly improves the convenience of hole protection sealing measures after holes are leaked and staggered on the civil air defense wall, solves the problem that the civil air defense wall is difficult to protect and seal, and has important significance for promoting the research of the civil air defense engineering protection sealing measures.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the protective shield of the present invention shown disconnected from the sleeve;
FIG. 3 is an assembly view of two protective baffles according to the present invention;
FIG. 4 is a schematic view of the welding of the protective baffle and the angle steel of the present invention;
fig. 5 is a front view of the angle iron of the present invention;
the labels in the figure are: 1. an expansion water stop adhesive tape, 2, a rubber plate, 3, protective baffles A and 4, an early strength expanding agent, 5, a rubber belt, 6, protective baffles B and 7, an expansion bolt, 8, building sealant, 9 and a sleeve,
10. the angle steel and the peripheral welding seam of the protective baffle plate 11, bolt holes 12, angle steel 13 and expansion bolt holes.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4 and 5, the protective sealing device for opening and reaming the rear of the civil air defense wall comprises an expansion water stop rubber strip 1, a rubber plate 2, a protective baffle A3, a protective baffle B6, angle steel 12, a rubber belt 5, an early strength expanding agent 4, building sealant 8 and a sleeve 9; the expansion water-stop adhesive tape 1 is respectively arranged at two ends of the sleeve 9, the sleeve 9 is placed in a hole with a hole formed in the back of the civil air defense wall after being bonded for a circle around the sleeve 9, and the distance between the position where the expansion water-stop adhesive tape 1 is bonded on the sleeve 9 and the two side surfaces of the wall body is 50 mm; the protective baffle A3 and the protective baffle B6 are both rectangular steel plate structures with semicircular openings at the centers of one sides, the protective baffle A3 and the protective baffle B6 are in the same shape and size, the thickness of the protective baffle in the implementation is 12mm, expansion bolt holes 13 are formed in the protective baffle, the diameter of a round hole formed by the semicircular openings of the two protective baffles is matched with the diameter of the sleeve 9, the protective baffle A3 and the protective baffle B6 are arranged on a port at one end of the sleeve 9 exposed out of the wall body, and the two semicircular openings are opposite and clamped on the periphery of the sleeve 9; the rubber belt 5 in the embodiment is 2mm in thickness and 50mm in width, is embedded between the semicircular openings of the two protective baffles and the sleeve 9, and is bonded around the sleeve 9 for a circle; the type of the angle steel 12 in the implementation is L50X50X5, the angle steel 12 is symmetrically arranged on two sides of semicircular openings of the protective baffle 3 and the protective baffle B6 respectively and fixed together with the protective baffles through welding, the angle steel 12 is fully welded with the peripheries of the two protective baffles, a welding line 10 between the angle steel and the peripheries of the protective baffles is 4mm, and the two protective baffles are connected and fastened through bolts M8 by the angle steel 12 corresponding to two sides of the two protective baffles; the rubber plate 2 is arranged between the two protective baffles and the wall body of the civil air defense wall 13, the shape of the rubber plate 2 is the same as that of the protective baffles, the thickness of the rubber plate 2 in the implementation is 2mm, the rubber plate 2 is pasted on the wall body of the civil air defense wall through building sealant 8, and the rubber plate 2 and the protective baffles are jointly fixed on the wall body of the civil air defense wall through an expansion bolt 7 of M6; the early strength expanding agent 4 is poured into a gap between the civil air defense wall and the casing 9, and the early strength expanding agent is not less than C40 coarse sand mixed with the early strength expanding agent.
When the utility model is implemented, the holes on the civil air defense wall are chiseled and cleaned, then, the expansion water stop adhesive tape 1 is used for bonding a circle at each end of the sleeve 9, then the sleeve 9 is put into the hole, the position of the expansion water stop adhesive tape 1 bonded on the sleeve 9 is 50mm away from the outer side surface of the wall body, then the protective baffle A3 and the protective baffle B6 are clamped at the port at one end of the sleeve 9 leaking out of the wall body, meanwhile, a rubber belt 5 with the thickness of 2mm and the width of 50mm is embedded and pressed between the semicircular openings of the two protective baffles and the sleeve 9, is bonded around the sleeve 9 for a circle, a bolt of M8 penetrates through a bolt hole 11 on the angle steel 12 to connect and fasten the two protective baffles, meanwhile, the rubber plate 2 is placed between the two protective baffles and the wall body, the rubber plate 2 and the wall body are adhered by building sealant 8, and the two protective baffles and the rubber plate 2 are fixed on the wall body of the civil air defense wall by using the expansion bolts 7 of M6; after the protective baffle A3 and the protective baffle B6 are installed, a supporting template at one end of the sleeve 9 at the other side is filled with C40 coarse sand doped early strength expanding agent 4 inwards to the gap between the sleeve 9 and the wall body, the mixture is fully poured and poured, finally, the peripheries of the two protective baffles and the middle joint of the rubber plate 2 are sealed by special building sealant 8, and the protective sealing requirement after hole opening or hole expansion on the civil air defense wall is met.
The utility model discloses implemented in present civil air defense engineering, the airtight effectual of protection is good, is worth promoting.
Claims (3)
1. A protective sealing device for opening and reaming a hole in the back of a civil air defense wall comprises a protective baffle A, a protective baffle B, angle steel, a rubber plate, a rubber belt, an expansion water stop rubber strip, a sleeve, an early strength expanding agent and building sealant, and is characterized in that the angle steel is connected with the rubber plate through a pipeline; the expansion water-stop adhesive tape is respectively arranged at two ends of the sleeve, and the sleeve is placed in the hole with the hole formed in the back of the civil air defense wall after being bonded for a circle around the sleeve; the protective baffle A and the protective baffle B are both of rectangular steel plate structures with semicircular openings in the centers of one sides, the protective baffle A and the protective baffle B are symmetrically arranged on a port at one end of the sleeve exposed out of the wall body, and the two semicircular openings are opposite and clamped on the periphery of the sleeve; the angle steels are symmetrically arranged on two sides of the semicircular openings of the protective baffle A and the protective baffle B respectively, and are fixed together with the protective baffles through welding, and the two protective baffles are connected and fastened through bolts by the angle steels corresponding to the two sides; the rubber plate is arranged between the two protective baffles and the wall body of the civil air defense wall, the rubber plate is adhered to the wall body through building sealing glue, and the rubber plate and the protective baffles are jointly fixed on the wall body of the civil air defense wall through expansion bolts; the rubber belt is embedded between the semicircular openings of the two protective baffles and the sleeve and is bonded around the sleeve in a circle; the early strength expanding agent is poured in a gap between the wall body of the civil air defense wall and the sleeve.
2. The protective closing device for the rear hole opening and the hole expanding of the civil air defense wall as claimed in claim 1, which is characterized in that: the protective baffle A and the protective baffle B are the same in shape and size, expansion bolt holes are formed in the protective baffle A and the protective baffle B, and the diameter of a round hole formed by the semicircular openings of the two protective baffles is matched with the diameter of the sleeve.
3. The protective closing device for the rear hole opening and the hole expanding of the civil air defense wall as claimed in claim 1, which is characterized in that: the shape of the rubber plate is the same as that of the protective baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235198.6U CN210636900U (en) | 2019-08-01 | 2019-08-01 | Protection closing device for hole opening and hole expanding behind civil air defense wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235198.6U CN210636900U (en) | 2019-08-01 | 2019-08-01 | Protection closing device for hole opening and hole expanding behind civil air defense wall |
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|---|---|
| CN210636900U true CN210636900U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921235198.6U Active CN210636900U (en) | 2019-08-01 | 2019-08-01 | Protection closing device for hole opening and hole expanding behind civil air defense wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284744A (en) * | 2019-08-01 | 2019-09-27 | 中国人民解放军军事科学院国防工程研究院 | The protection closing device of aperture, reaming after a kind of people's air defense wall |
-
2019
- 2019-08-01 CN CN201921235198.6U patent/CN210636900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284744A (en) * | 2019-08-01 | 2019-09-27 | 中国人民解放军军事科学院国防工程研究院 | The protection closing device of aperture, reaming after a kind of people's air defense wall |
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