CN216588711U - Sandwich type evacuation platform - Google Patents
Sandwich type evacuation platform Download PDFInfo
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- CN216588711U CN216588711U CN202121605789.5U CN202121605789U CN216588711U CN 216588711 U CN216588711 U CN 216588711U CN 202121605789 U CN202121605789 U CN 202121605789U CN 216588711 U CN216588711 U CN 216588711U
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Abstract
The utility model relates to the technical field of subway construction, in particular to a sandwich type evacuation platform, which comprises at least one evacuation platform plate; a plurality of cavities for placing refractory heat-insulating materials are arranged in the evacuation platform plate; a fire-resistant insulating layer is arranged in each cavity; one end of the evacuation platform plate is provided with an assembling part; the other end of the evacuation platform plate is provided with an assembling matching part; the assembling part is matched with the assembling matching part. The utility model has the advantages of improving the ultimate fire resistance of the evacuation platform plate and facilitating assembly when large size is needed.
Description
Technical Field
The utility model relates to the technical field of subway construction, in particular to a sandwich type evacuation platform.
Background
An existing evacuation platform, such as that disclosed in the Chinese utility model patent (publication No. CN 210483797U), aims to provide an evacuation platform whose support structure can adjust the installation position of a platform component, avoid reworking and dismounting, and greatly improve the construction efficiency, wherein the support component comprises a support fixedly arranged in a tunnel, the upper part of the support is provided with a first fixing seat, the lower part of the support is hinged with an inclined strut, the free end of the inclined strut is hinged with a second fixing seat, the platform component comprises a cross beam which is arranged corresponding to the support one by one, the cross beam comprises a first fixing part which is connected with the first fixing seat in a sliding way and a second fixing part which is connected with the second fixing seat in a sliding way, the first fixing part is provided with a first rack along the sliding direction, the first fixing seat is provided with a first tooth part matched with the first rack, the second fixing part is provided with a second rack along the sliding direction, and a second tooth part matched with the second rack is arranged on the second fixed seat.
The existing evacuation platforms are all supported by one composite evacuation panel, and the composite evacuation panels are formed by direct phenolic pultrusion, so that the produced composite evacuation panels are not very high in ultimate fire resistance. If the ultimate fire resistance is to be improved, only the raw material formula can be modified, and the cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sandwich type evacuation platform, aiming at solving the technical problems of poor ultimate fire resistance and poor heat insulation of the existing evacuation platform, the platform further improves the integral ultimate fire resistance by arranging a fire-resistant heat insulation layer in an evacuation platform plate, and is assembled by matching an assembling part and an assembling matching part, so that the platform is better suitable for actual site requirements.
For the purpose of the utility model, the following technical scheme is adopted for realizing the purpose:
a sandwich evacuation platform comprising at least one evacuation platform panel; a plurality of cavities for placing refractory heat-insulating materials are arranged in the evacuation platform plate; a refractory heat-insulating layer is arranged in each cavity; one end of the evacuation platform plate is provided with an assembling part; the other end of the evacuation platform plate is provided with an assembling matching part; the assembling part is matched with the assembling matching part. The integral limit fire resistance is improved, and the assembly is convenient.
Preferably, the cavities are arranged transversely, and the width of the cavity in the middle is larger than that of the cavities on the two sides.
Preferably, any two adjacent cavities are separated by a connecting reinforcing plate.
Preferably, the connection gusset plate is vertically arranged, the upper end of the connection gusset plate is fixedly connected with the top of the evacuation platform plate, and the lower end of the connection gusset plate is fixedly connected with the bottom of the evacuation platform plate.
Preferably, the connecting reinforcing plate and the evacuation platform plate are integrally formed through phenolic pultrusion.
Preferably, the fire-resistant heat-insulating layer is a composite foamed cement board.
Preferably, the assembling part is an inserting groove, the assembling matching part is inserted with a protruding block, and the inserting groove is matched with the protruding block.
Preferably, the section of the evacuation platform plate is rectangular.
Adopt above-mentioned technical scheme's a sandwich type evacuation platform, the connection gusset plate on this platform passes through phenolic aldehyde pultrusion integrated into one piece with evacuation platform board to form the evacuation platform board of cavity formula, be convenient for place fire-resistant insulating layer, be convenient for further promote the joint strength and the support effect of evacuation platform board through connecting the gusset plate. The fire-resistant heat insulation layer is arranged in the cavity, the limit fire resistance of the evacuation platform plate is improved through the fire-resistant heat insulation layer, and the mechanical load performance of the associated product is also improved. Through grafting recess and grafting lug structure phase-match, be convenient for carry out assembling of polylith evacuation platform board when the evacuation platform board of needs large width size, better be applicable to actual place demand.
In conclusion, the utility model has the advantages of improving the ultimate fire resistance of the evacuation platform plate and facilitating assembly when large size is required.
Drawings
Fig. 1 is a schematic structural view of a sandwich evacuation platform according to the present invention.
Wherein: 1. evacuation platform boards; 11. a cavity; 12. connecting a reinforcing plate; 2. a refractory thermal insulation layer; 3. an assembling part; 4. and assembling the matching part.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1, a sandwich evacuation platform comprises at least one evacuation platform plate 1; the section of the evacuation platform plate 1 is rectangular, and a plurality of cavities 11 for placing refractory heat-insulating materials are arranged in the evacuation platform plate 1; the cavities 11 are arranged transversely, and the width of the cavity 11 in the middle is larger than that of the cavities 11 on the two sides. Separate through connecting gusset plate 12 between arbitrary two adjacent cavities 11, connect gusset plate 12 and sparse platform board 1 and pass through phenol aldehyde pultrusion integrated into one piece to form the sparse platform board 1 of cavity formula, be convenient for further promote the joint strength and the support effect of sparse platform board 1 through connecting gusset plate 12. Connect gusset plate 12 vertical setting, connect gusset plate 12 upper end and evacuation platform board 1 top fixed connection, connect gusset plate 12 lower extreme and evacuation platform board 1 bottom fixed connection. Further, the connection strength and the supporting effect are improved by connecting the reinforcing plate 12.
Each cavity 11 is provided with a fire-resistant heat-insulating layer 2, and the fire-resistant heat-insulating layer 2 is preferably a composite foamed cement board and can also be made of other light fire-resistant heat-insulating materials. The limit fire resistance and the heat insulation performance of the evacuation platform plate are improved through the fire-resistant heat insulation layer 2, and the mechanical load performance of the associated product is also improved.
One end of the evacuation platform plate 1 is provided with an assembling part 3; the other end of the evacuation platform plate 1 is provided with an assembling matching part 4; the assembling part 3 is matched with the assembling matching part 4. The splicing part 3 is a splicing groove which is transversely protruded from the top and the bottom of the right end of the evacuation platform plate 1, so that a splicing groove with a sunken middle part is formed, the splicing matching part 4 is a splicing lug which is transversely protruded from the middle upper part and the middle lower part of the left end of the evacuation platform plate 1, and the splicing lug is formed. Through grafting recess and grafting lug structure phase-match, be convenient for carry out assembling of polylith evacuation platform board 1 when the evacuation platform board of needs large width size, better be applicable to actual place demand.
In conclusion, the utility model has the advantages of improving the ultimate fire resistance and the heat insulation performance of the evacuation platform plate and being convenient for assembly when large size is required.
Claims (8)
1. A sandwich evacuation platform, characterized in that the evacuation platform comprises at least one evacuation platform panel (1); a plurality of cavities (11) for placing refractory heat-insulating materials are arranged in the evacuation platform plate (1); a refractory heat-insulating layer (2) is arranged in each cavity (11); one end of the evacuation platform plate (1) is provided with an assembling part (3); the other end of the evacuation platform plate (1) is provided with an assembling matching part (4); the assembling part (3) is matched with the assembling matching part (4).
2. A sandwich evacuation platform according to claim 1, wherein the plurality of cavities (11) are arranged in a transverse direction, and the width of the cavity (11) in the middle is larger than the width of the cavities (11) on both sides.
3. A sandwich evacuation platform according to claim 1, wherein any two adjacent cavities (11) are separated by a connecting reinforcement plate (12).
4. A sandwich evacuation platform according to claim 3, wherein the connecting reinforcing plate (12) is vertically arranged, the upper end of the connecting reinforcing plate (12) is fixedly connected with the top of the evacuation platform plate (1), and the lower end of the connecting reinforcing plate (12) is fixedly connected with the bottom of the evacuation platform plate (1).
5. A sandwich evacuation platform according to claim 4, wherein the connecting reinforcement plate (12) is integrally formed with the evacuation platform plate (1) by phenolic pultrusion.
6. A sandwich evacuation platform according to claim 1, wherein the fire-resistant insulation layer (2) is a composite foamed cement board.
7. A sandwich evacuation platform according to claim 1, wherein the assembly parts (3) are insertion grooves, the assembly parts (4) are insertion lugs, and the insertion grooves are matched with the insertion lugs.
8. A sandwich evacuation platform according to claim 1, wherein the evacuation platform panel (1) is rectangular in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605789.5U CN216588711U (en) | 2021-07-15 | 2021-07-15 | Sandwich type evacuation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605789.5U CN216588711U (en) | 2021-07-15 | 2021-07-15 | Sandwich type evacuation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588711U true CN216588711U (en) | 2022-05-24 |
Family
ID=81609739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121605789.5U Active CN216588711U (en) | 2021-07-15 | 2021-07-15 | Sandwich type evacuation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588711U (en) |
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2021
- 2021-07-15 CN CN202121605789.5U patent/CN216588711U/en active Active
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