CN211007262U - Peripheral block structure of roofing access hole - Google Patents
Peripheral block structure of roofing access hole Download PDFInfo
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- CN211007262U CN211007262U CN201921194418.5U CN201921194418U CN211007262U CN 211007262 U CN211007262 U CN 211007262U CN 201921194418 U CN201921194418 U CN 201921194418U CN 211007262 U CN211007262 U CN 211007262U
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- aluminum
- retardant
- well
- access hole
- plastic
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Abstract
The utility model provides a peripheral shutoff structure of roofing access hole, including the well steelframe, be fixed with the facing sheet on the well steelframe, the facing sheet is fixed on the well steelframe including fire-retardant board and plastic-aluminum board, fire-retardant board, is fixed with the plastic-aluminum board on the fire-retardant board. The utility model provides a pair of peripheral block structure of roofing access hole through fixed fire-retardant board and plastic-aluminum board in proper order on the well steelframe, and then realizes that traditional well does not have reliable protector's problem, has guaranteed well constructor's current safety, has ensured engineering quality, simple structure, construction convenience, has practiced thrift cost, facilitate promotion to well steelframe shutoff all around.
Description
Technical Field
The utility model belongs to the technical field of the architectural decoration, in particular to peripheral block structure of roofing access hole.
Background
Steel structure building roofs such as airport terminal buildings, station waiting halls, exhibition halls and the like have the characteristics of complex forming, super-long structure and the like, regular maintenance is needed, full framing scaffolds need to be erected during construction, and steel framework maintenance openings and crawling ladders are welded at high altitude on site. Traditional access hole is at on-the-spot high altitude welding installation, and the inside steel cat ladder periphery of furred ceiling is not carried out the shutoff, and before the room board did not lift, there is the potential safety hazard in steel cat ladder position dull thread, personnel when carrying out the maintenance of roofing equipment through access hole steel cat ladder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a peripheral block structure of roofing access hole solves the problem that there is the potential safety hazard in the access hole maintenance that prior art exists.
The technical scheme of the utility model is that: a peripheral plugging structure of a roof access hole comprises a hoistway steel frame, wherein a sealing panel is fixed on the hoistway steel frame and comprises a flame-retardant plate and an aluminum-plastic plate, the flame-retardant plate is fixed on the hoistway steel frame, and the aluminum-plastic plate is fixed on the flame-retardant plate.
Preferably, the back of the aluminum-plastic plate is provided with a planing groove, and the depth of the planing groove is 1/4 mm which is equal to the thickness of the aluminum-plastic plate and is not less than 0.3 mm.
Preferably, the flame-retardant plate is connected with the shaft steel frame through self-tapping screws, the distance between the self-tapping screws is not more than 200mm, the distance between the self-tapping screws in the middle part is not more than 300mm, and the distance between the self-tapping screws and the edge of the flame-retardant plate is 10-16 mm.
Preferably, the gap at the seam between adjacent fire retardant panels is 5 mm.
Preferably, the aluminum-plastic plate is fixed on the flame-retardant plate through super glue.
Preferably, the aluminum-plastic panel can be a surface layer such as a stainless steel plate, a metal plate or an artificial plate.
The utility model discloses following beneficial effect has:
the utility model provides a pair of peripheral block structure of roofing access hole through fixed fire-retardant board and plastic-aluminum board in proper order on the well steelframe, and then realizes that traditional well does not have reliable protector's problem, has guaranteed well constructor's current safety, has ensured engineering quality, simple structure, construction convenience, has practiced thrift cost, facilitate promotion to well steelframe shutoff all around.
Drawings
Fig. 1 is the embodiment of the utility model provides a peripheral block structure's of roofing access hole schematic diagram.
In the figure: 1. a pipe body; 2. a hoistway steel frame; 3. a flame retardant sheet; 4. an aluminum-plastic panel; 5. an illuminating lamp; 6. a sliding groove; 7. a cover plate; 8. a handle; 9. a switch; 10. a pipeline; 11. the ladder is climbed.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The utility model provides a peripheral block structure of roofing access hole, refers to fig. 1, includes well steelframe (2), be fixed with the facing board on well steelframe (2), the facing board includes fire-retardant board (3) and plastic-aluminum board (4), fire-retardant board (3) are fixed on well steelframe (2), be fixed with plastic-aluminum board (4) on fire-retardant board (3).
In order to facilitate bending and fixing the aluminum-plastic plate (4), the back of the aluminum-plastic plate (4) is provided with a planing groove, and the depth of the planing groove is 1mm of the thickness of the aluminum-plastic plate (4).
In order to fix the flame-retardant plate conveniently, the flame-retardant plate (3) is connected with the shaft steel frame (2) through self-tapping screws, the distance between the self-tapping screws is 200mm, the distance between the self-tapping screws in the middle part is 300mm, and the distance between the self-tapping screws and the edge of the flame-retardant plate (3) is 12 mm. The gap at the joint between the adjacent flame retardant plates (3) is 5 mm. The aluminum-plastic plate (4) is fixed on the flame-retardant plate (3) through strong glue.
Above-mentioned plugging structure's design according to the furred ceiling, avoids the electromechanical pipeline 10 above the furred ceiling, confirms the position and the size of access hole, confirms the height of cat ladder 11 according to the distance between furred ceiling and the roofing.
Determining the size of a pipe body 1 for welding the hoistway steel frame 2 according to the size of the access opening, wherein the pipe body 1 is a galvanized square pipe with the size of 40-2.5, welding the galvanized square pipe into the hoistway steel frame 2 according to a design drawing, checking whether welding is firm, and brushing an anticorrosive paint on the hoistway steel frame 2 after welding is qualified. The panel cover comprises a flame-retardant plate 3 and an aluminum-plastic plate 4, the length and the width of the flame-retardant plate 3 and the aluminum-plastic plate 4 are determined according to the height of a welded shaft steel frame 2 and the perimeter of the inner wall, the flame-retardant plate 3 and the aluminum-plastic plate 4 are marked and cut into large blocks of the flame-retardant plate 3 and the aluminum-plastic plate 4, the flame-retardant plate 3 needs to be marked continuously according to the size of the side wall of the shaft steel frame 2 and cut into four flame-retardant plates 3 for standby, and the thickness of the flame-retardant plate 3 is 12 mm; the back of an aluminum-plastic plate 4 needing to turn is required to be grooved, the thickness of the aluminum-plastic plate 4 is 4mm, the back of the aluminum-plastic plate 4 is marked according to the width of each flame-retardant plate 3, then grooving is carried out at the marked position, and in the grooving process, the depth of the whole body of the groove is 1 mm.
The flame retardant plates 3 are sequentially fixed on the inner side of a hoistway steel frame 2 through self-tapping, the middle parts of the flame retardant plates 3 are fixed firstly, the distance between the middle self-tapping is 300mm, the periphery of each flame retardant plate 3 is fixed later, the distance between the self-tapping and the edge of each flame retardant plate 3 is 200mm, the distance between the self-tapping and the edge of each flame retardant plate 3 is 12mm, a gap of 5mm is reserved between every two adjacent flame retardant plates 3, the surface of each flame retardant plate 3 is smooth, the verticality between every two adjacent flame retardant plates 3 is qualified, the outer surface of each flame retardant plate 3 and the back surface of each aluminum plastic plate 4 are uniformly coated with super glue, when the super glue coated with the super glue is not sticky, the aluminum plastic plates 4 are pasted on the flame retardant plates 3, when the cross-over corners of the flame retardant plates 3 are reached, the aluminum plastic plates 4 are slowly bent by 30 degrees, grooves on the back surfaces of the aluminum plastic plates 4 are aligned with the corner cross, the aluminum-plastic plate 4 on the other side of the groove is pasted on the flame-retardant plate 3, then the aluminum-plastic plate 4 is pasted on the flame-retardant plate 3 in sequence, the hammer is used for indirectly tapping to enable the aluminum-plastic plate to be firmly pasted with the flame-retardant plate 3, the surface is smooth, and a complete overhaul well is obtained.
After glue between the aluminum-plastic panel 4 and the flame-retardant panel 3 is dried thoroughly and is pasted firmly, the well steel frame 2 installed as described above is hoisted to the top of the ceiling by using the pulleys, so that the cavity of the well corresponds to the position of the access hole, the direction of the central axis of the well is perpendicular to the ceiling and the roof, the lower part of the well is welded with the upper end face of the ceiling, and then the upper end of the well is fixed with the roof.
Four fixed sliding chutes 6 on the up end of the peripheral furred ceiling of access hole, wherein two sliding chutes 6 are located same straight line, two other sliding chutes 6 are fixed in the other one side of access hole, namely sliding chutes 6 are fixed in pairs in the both sides of access hole, fix sliding chutes 6 on well steelframe 2 through self-tapping, slide two apron 7 from the both ends of two pairs of sliding chutes 6 to the centre respectively, make the slider of apron 7 both sides inject in sliding chute 6, make two apron 7 can be closed or push open at the promotion in-process, at apron 7 externally mounted handle 8, later pull apron 7 through handle 8 pulling on sliding chute 6, ensure to open and close nimble.
Fix light 5 on the roofing, at near the furred ceiling top fixed switch of access hole, switch 9 installs at apron 7 inboardly promptly, adopts 220V's voltage, installs 30 mA's residual current protection device, fixes near the access hole with single control switch 9, connects with light 5 through pipeline 10 with single control switch 9. The cost accounting of this example is shown in table 1, and the cost saving ratio is 36%.
TABLE 1
The aluminum-plastic panel 4 may be a surface layer such as a stainless steel panel, a metal panel or an artificial panel.
When the cover plate 7 may be made of a transparent material, the lighting lamp 5 may not be installed above the hoistway steel frame 2.
The utility model provides a pair of peripheral block structure of roofing access hole through fixed fire-retardant board and plastic-aluminum board in proper order on the well steelframe, and then realizes that traditional well does not have reliable protector's problem, has guaranteed well constructor's current safety, has ensured engineering quality, simple structure, construction convenience, has practiced thrift cost, facilitate promotion to well steelframe shutoff all around.
Claims (6)
1. The utility model provides a peripheral block structure of roofing access hole which characterized in that: including well steelframe (2), be fixed with the facing board on well steelframe (2), the facing board includes fire-retardant board (3) and plastic-aluminum board (4), fire-retardant board (3) are fixed on well steelframe (2), be fixed with plastic-aluminum board (4) on fire-retardant board (3).
2. The peripheral block structure of roofing access hole of claim 1, characterized by: the back of the aluminum-plastic panel (4) is provided with a planing groove, and the depth of the planing groove is 1/4 mm of the thickness of the aluminum-plastic panel (4) and is not less than 0.3 mm.
3. The peripheral block structure of roofing access hole of claim 1, characterized by: the flame-retardant plate (3) is connected with the shaft steel frame (2) through self-tapping screws, the distance between the self-tapping screws is not more than 200mm, the distance between the self-tapping screws in the middle part is not more than 300mm, and the distance between the self-tapping screws and the edge of the flame-retardant plate (3) is 10-16 mm.
4. The peripheral block structure of roofing access hole of claim 1, characterized by: and the gap at the joint between the adjacent flame retardant plates (3) is 5 mm.
5. The peripheral block structure of roofing access hole of claim 1, characterized by: the aluminum-plastic plate (4) is fixed on the flame-retardant plate (3) through a strong glue.
6. The peripheral block structure of roofing access hole of claim 1, characterized by: the aluminum-plastic plate (4) is a metal plate or an artificial plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921194418.5U CN211007262U (en) | 2019-07-27 | 2019-07-27 | Peripheral block structure of roofing access hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921194418.5U CN211007262U (en) | 2019-07-27 | 2019-07-27 | Peripheral block structure of roofing access hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211007262U true CN211007262U (en) | 2020-07-14 |
Family
ID=71481525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921194418.5U Active CN211007262U (en) | 2019-07-27 | 2019-07-27 | Peripheral block structure of roofing access hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211007262U (en) |
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2019
- 2019-07-27 CN CN201921194418.5U patent/CN211007262U/en active Active
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