CN210797629U - Large-span underground engineering structure ceiling external hanging type fireproof plate - Google Patents
Large-span underground engineering structure ceiling external hanging type fireproof plate Download PDFInfo
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- CN210797629U CN210797629U CN201920892993.6U CN201920892993U CN210797629U CN 210797629 U CN210797629 U CN 210797629U CN 201920892993 U CN201920892993 U CN 201920892993U CN 210797629 U CN210797629 U CN 210797629U
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Abstract
The utility model provides a large-span underground works structure ceiling outer hanging PLASTIC LAMINATED belongs to underground works disaster prevention field. The outer hanging PLASTIC LAMINATED includes fire prevention sheet layer, inter-plate connecting piece, installation stores pylon, building ceiling, air heat preservation partition layer the fire prevention sheet layer includes rock wool sheet layer, fiberboard layer, fire prevention rubber sheet layer, and the fire prevention sheet layer is connected with the building ceiling through the installation stores pylon, and in the installation stores pylon lower part embedding PLASTIC LAMINATED layer, the installation stores pylon is connected fixedly with the fire prevention sheet layer in proper order in the segmentation. This PLASTIC LAMINATED stores pylon main part cuts off the inboard air insulation partition layer of outer hanging PLASTIC LAMINATED and forms little partition layer loculus, and the air that is heated when preventing the conflagration produces convection phenomenon, and effectual reduction conflagration is to the damage of underground works structure ceiling.
Description
Technical Field
The utility model relates to an underground works field of preventing disaster, concretely relates to outer hanging PLASTIC LAMINATED of large-span underground works structure ceiling.
Background
Along with the development of urban construction, a large number of urban underground space buildings are being constructed, and when the urban underground space buildings are more and more applied and bring convenience to the life of people, the fire disasters of the urban underground space buildings also frequently occur all over the world, and besides causing great damage to infrastructure, the urban underground space building fires also cause serious casualties and great property loss to the local. Due to the limited escape conditions of the urban underground space building and the special situations that firefighters are difficult to rescue when entering the urban underground space building in fire, the urban underground space building design is required to adopt more systematic safety measures.
In recent years, underground structures develop rapidly in China, a plurality of subways and underground complexes are built in succession, and the fire prevention problem of the underground structures is always difficult to overcome.
At present, the fireproof coating is generally adopted, but the thickness and the heat conductivity coefficient of the fireproof coating are limited, and the fireproof coating cannot play an effective role at all.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a large-span underground works structure ceiling outer hanging PLASTIC LAMINATED, this PLASTIC LAMINATED combines the three-layer flame retardant coating to through the installation stores pylon fixed with the building ceiling on, the stores pylon main part cuts off the inboard air heat preservation partition layer of outer hanging PLASTIC LAMINATED and forms little partition layer and divides the chamber, the heated air produces convection phenomenon when preventing the conflagration, effectual reduction conflagration is to the damage of underground works structure ceiling.
The utility model adopts the technical scheme as follows:
the utility model provides a large-span underground works structure ceiling outer hanging PLASTIC LAMINATED, outer hanging PLASTIC LAMINATED includes fire prevention sheet layer, inter-plate connecting piece, installation stores pylon, building ceiling, air insulation partition layer fire prevention sheet layer includes rock wool sheet layer, fiberboard layer, fire prevention rubber sheet layer, connects fixedly between the fire prevention sheet layer through inter-plate connecting piece, and fire prevention sheet layer is connected with the building ceiling through the installation stores pylon, and installation stores pylon upper portion and building ceiling are through bolted connection, and installation stores pylon sub-unit system has the cardboard, prefabricated along both sides on the fire prevention sheet layer has the flange spread groove corresponding with the cardboard shape, and the cardboard card is gone into in the flange spread groove on the fire prevention sheet layer edge, for air insulation partition layer between fire prevention sheet layer and the building ceiling, installation stores pylon lower part and fire prevention sheet.
The mounting hanger comprises a mounting bolt, a fixing plate, a hanger main body, a pipeline bracket, a connecting bolt, a bracket connecting hole, an inner clamping plate, an outer clamping plate and a connecting groove, the fixing plate perpendicular to the hanger main body is arranged at the top of the hanger main body, a screw hole is formed in the fixing plate, the inner clamping plate and the outer clamping plate are arranged at the lower part of the hanger main body, the inner clamping plate and the outer clamping plate are I-shaped, the connecting groove is formed between the inner clamping plate and the outer clamping plate, and the fixing plate, the hanger main body, the inner clamping plate and the outer clamping plate are integrally formed; the hanger is characterized in that a support connecting hole is formed in the hanger main body, and the pipeline support is connected with the hanger main body through the support connecting hole through a bolt.
A large-span underground works structure ceiling outer hanging PLASTIC LAMINATED, the fire prevention sheet layer is three layer construction, is rock wool sheet layer, fiberboard layer, fire prevention rubber sheet layer down from last in proper order, the rock wool sheet layer is arranged and is separated the layer contact with air heat preservation in the top, along the vertical prefabrication in board both sides and the installation stores pylon on the rock wool sheet layer, the L shaped plate limit spread groove of spread groove shape assorted between the outer cardboard.
The large-span underground engineering structure ceiling outer-hanging type fireproof plate is characterized in that a damping rubber pad is arranged on a contact surface of the installation hanging frame embedded into the fireproof plate layer.
The large-span underground engineering structure ceiling outer-hanging type fireproof plate is characterized in that through holes are uniformly and equidistantly formed in the fireproof plate layer, and the inter-plate connecting piece penetrates through the through holes to fix the three fireproof plate layers together.
The large-span underground engineering structure ceiling outer-hanging type fireproof plate further comprises communication and ventilation pipelines, and the communication and ventilation pipelines are externally hung on the pipeline installing support.
The large-span underground engineering structure ceiling external-hanging type fireproof plate is characterized in that the fiberboard layer can be formed by bonding one or more layers of carbon fiber nets, glass fiber nets and basalt fiber nets.
A large-span underground works structure ceiling outer hanging PLASTIC LAMINATED, the fire prevention sheet layer is rock wool sheet layer, fiberboard layer, fire prevention rubber sheet layer from last to being down in proper order, the rock wool sheet layer is arranged and is separated the layer contact with air heat preservation in the top, along the vertical prefabrication in board both sides and installation stores pylon exterior card board shape assorted flange spread groove on the rock wool sheet layer.
The utility model has the advantages that:
the beneficial effects of the utility model are that fire behavior is good, the atress performance is good, the installation of being convenient for, and easy replacement installs quick portably, and effectual reduction conflagration is to the damage of underground works structure ceiling, makes the fire prevention disaster prevention performance show the promotion, can reach pipeline such as effectual protection city underground space building communication, ventilation and guarantee that the communication ventilates normally, casualties and economic loss when the conflagration takes place for effectual reduction underground structure again.
Drawings
FIG. 1 is a schematic view of a fire protection system for an externally-hung fire protection plate of a ceiling of a large-span underground engineering structure;
FIG. 2 is a schematic view of an externally-hung fire-proof plate;
FIG. 3 is a schematic view of a mounting hanger;
FIG. 4 is a front view a of the mounting hanger configuration;
FIG. 5 is a front view b of the mounting hanger structure;
FIG. 6 is a schematic view of the connection between the externally-hung fire-proof plate and the mounting rack;
fig. 7 is a schematic view of the structure of the plate-to-plate connecting member.
In the figure: 1 is a fireproof plate layer; 1-1 is a rock wool slab layer; 1-2 is a plate edge connecting groove; 1-3 are fiber board layers; 1-4 are fireproof rubber plate layers; 2 is a connecting piece between plates; 3, mounting a hanging rack; 3-1 is a mounting bolt; 3-2 is a fixing plate; 3-3 is a hanging rack main body; 3-4 is a pipeline bracket; 3-5 are connecting bolts; 3-6 are support connecting holes; 3-7 is an inner clamping plate; 3-8 is an outer clamping plate; 3-9 is a connecting groove; 4 is a shock-absorbing rubber cushion; 5 is a building ceiling; 6 is an air heat-insulating partition layer; and 7 is a communication and ventilation pipeline.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
The utility model provides a large-span underground works structure ceiling outer hanging PLASTIC LAMINATED, mainly includes fire-proof plate layer 1, inter-plate connecting piece 2, installation stores pylon 3, shock attenuation cushion 4, building ceiling 5, air heat preservation partition layer 6, communication, ventilation pipeline 7.
The fireproof plate layer 1 is a fireproof heat-insulation laminated slab formed by three layers of fireproof materials, the first layer is a rock wool plate layer 1-1, the second layer is a fiber plate layer 1-3, the third layer is a fireproof rubber plate layer 1-4, the fiber plate layer is a glass fiber layer, the fireproof rubber plate layer is a chloroprene rubber layer, the rock wool plate layer is arranged on the innermost side and connected with an air heat-preservation partition layer, and a plate edge connecting groove 1-2 matched with the outer clamping plate 3-8 of the hanging frame is prefabricated on the rock wool plate layer 1-1 along the plate edge in the longitudinal direction; through holes are uniformly and equidistantly arranged on each layer of fireproof material, the connecting pieces 2 between the plates are uniformly arranged on the fireproof plate layers 1, and two end plates of the connecting pieces 2 between the plates penetrate through the through holes and then are bent inwards to be combined, so that the three layers of fireproof materials are fixed together.
The outer-hanging type fireproof plate is connected with a building ceiling through an installation hanging frame, the installation hanging frame is installed on the building ceiling through a fixing plate by adopting an installation bolt, the fixing plate of the installation hanging frame is positioned on the upper side of the outer-hanging type fireproof plate installed later, the fixing plate and a hanging frame main body are prefabricated together, the hanging frame main body at the lower end of the installation hanging frame is installed in the fireproof plate layer, an air heat preservation partition layer is cut off by a middle-upper hanging frame main body, five support connecting holes are reserved in the hanging frame main body, a pipeline support is fixed on the hanging frame main body through a connecting bolt penetrating through the support connecting holes, an inner clamping plate and an outer clamping plate are prefabricated at the lower part of the hanging frame main body, the inner clamping plate and the outer clamping plate form an I-shaped connecting groove; the height of the connecting groove is slightly larger than that of the rock wool slab layer on the inner layer of the fireproof slab layer, and a layer of damping rubber mat is placed in the connecting groove; the length of the innermost rock wool board layer of the fireproof board layer is slightly shorter than that of the outer fiber board layer and the fireproof rubber board layer, and the slightly shorter length of the fireproof board layer is matched with that of the hanger main body and the damping rubber pad. When the installation stores pylon is connected with the PLASTIC LAMINATED layer, the flange outer edge card of the rock wool board layer of the inner layer of the PLASTIC LAMINATED layer is in the inboard connecting groove that has the shock attenuation cushion, and the stores pylon exterior card board is installed in assorted flange connecting groove. The inner clamping plate and the outer clamping plate at the lower end part of the mounting rack can be clamped into the fireproof plate layer at one side or the left side and the right side, the I-shaped connecting grooves of the inner clamping plate and the outer clamping plate are embedded into the fireproof plate layer, and the inner clamping plate is arranged outside the innermost rock wool plate layer and clings to the outer edge of the innermost rock wool plate layer. When the mounting hanger 3 is connected with the fireproof plate layer 1, the outer edge of the plate edge of the rock wool plate layer 1-1 on the inner layer of the fireproof plate layer 1 is clamped in the plate inner connecting groove 3-9 with the shock absorption rubber mat, and the outer hanger clamping plate 3-8 is mounted in the matched plate edge connecting groove 1-2.
The mounting hanger 3 consists of nine parts, namely a mounting bolt 3-1, a fixing plate 3-2, a hanger main body 3-3, a pipeline bracket 3-4, a connecting bolt 3-5, a bracket connecting hole 3-6, an inner clamping plate 3-7, an outer clamping plate 3-8 and a connecting groove 3-9; the inner clamping plates 3-7 and the outer clamping plates 3-8 are identical in structure, and the hanger main body 3-3 is uniformly and equidistantly provided with five support connecting holes 3-6 along the longitudinal direction for being connected with the pipeline supports 3-4. The pipeline support can be connected with the support connecting holes at different heights through bolts according to different height requirements. The pipeline bracket can be installed on one side or on both sides of the hanging rack according to actual requirements; the communication and ventilation pipelines can be arranged on the pipeline bracket of the mounting rack in a classified and partitioned manner. The communication and ventilation pipelines 7 can be hung on the pipeline brackets 3-4 of the mounting rack 3 in a classified and partitioned manner.
The thickness of the fireproof plate layer 1 is 15-20mm, and the thickness of the air heat-insulation partition layer 6 is 3 times of that of the externally-hung fireproof plate 1; the height of the mounting hanger 3 is larger than the thickness of the air heat-insulating partition layer 6.
The fiber layer can also be formed by bonding one or more layers of carbon fiber nets, glass fiber nets and basalt fiber nets. The rock wool board layer is a board layer made of rock wool serving as a raw material, gives full play to the unique performance of the rock wool core material, has excellent fireproof, heat preservation and sound absorption performances, has a low heat conductivity coefficient, has remarkable effects in the aspects of fire prevention, heat preservation, heat insulation, sound absorption, sound insulation and the like, and further achieves the aims of high quality, high efficiency, reliability and safety.
Claims (7)
1. The utility model provides a hanging PLASTIC LAMINATED outside large-span underground works structure ceiling which characterized in that: the outer-hanging fireproof plate comprises fireproof plate layers (1), inter-plate connecting pieces (2), an installation hanging frame (3), a building ceiling (5) and an air heat-preservation partition layer (6), wherein the fireproof plate layers (1) comprise rock wool plate layers (1-1), fiberboard layers (1-3) and fireproof rubber plate layers (1-4), the fireproof plate layers are fixedly connected through the inter-plate connecting pieces (2), the fireproof plate layers (1) are connected with the building ceiling (5) through the installation hanging frame (3), the upper portion of the installation hanging frame (3) is connected with the building ceiling (5) through bolts, a clamping plate is arranged at the lower portion of the installation hanging frame (3), plate edge connecting grooves (1-2) corresponding to the clamping plate in shape are prefabricated on the two sides of the fireproof plate layers (1), the clamping plate is clamped into the plate edge connecting grooves (1-2) on the upper edge of the fireproof plate layers (1), the air heat-preservation partition layer (6) is arranged between the fireproof plate layers, the lower part of the mounting hanger (3) is fixedly connected with the fireproof plate layer (1) in a sequentially segmented clamping manner.
2. The large-span underground engineering structure ceiling hanging type fire-proof plate according to claim 1, characterized in that: the mounting hanger (3) comprises mounting bolts (3-1), fixing plates (3-2), a hanger main body (3-3), a pipeline support (3-4), connecting bolts (3-5), support connecting holes (3-6), inner clamping plates (3-7), outer clamping plates (3-8) and connecting grooves (3-9), wherein the fixing plates (3-2) perpendicular to the hanger main body (3-3) are arranged at the top of the hanger main body (3-3), screw holes are formed in the fixing plates, the inner clamping plates (3-7) and the outer clamping plates (3-8) are arranged at the lower part of the hanger main body (3-3), the inner clamping plates (3-7) and the outer clamping plates (3-8) form an I shape, the connecting grooves (3-9) are formed between the inner clamping plates and the outer clamping plates, and the fixing plates (3-2), the, The inner clamping plate (3-7) and the outer clamping plate (3-8) are integrally formed; the hanger main body (3-3) is provided with a support connecting hole (3-6), and the pipeline support (3-4) is connected with the hanger main body (3-3) through the support connecting hole (3-6) through a bolt.
3. The large-span underground engineering structure ceiling hanging type fireproof plate according to claim 1, wherein: the fireproof plate layer (1) is of a three-layer structure and sequentially comprises a rock wool plate layer (1-1), a fiber plate layer (1-3) and a fireproof rubber plate layer (1-4) from top to bottom, the rock wool plate layer (1-1) is arranged on the uppermost side and is in contact with an air heat insulation partition layer (6), and a connecting groove (3-9) between the inner clamping plate and the outer clamping plate of the hanging rack is longitudinally prefabricated along the two sides of the rock wool plate layer (1-1) and is in shape matched with an L-shaped plate edge connecting groove (1-2).
4. The externally hung fire-proof plate for the ceiling of the large-span underground engineering structure according to claim 1 or 2, wherein: and a damping rubber pad (4) is arranged between the contact surfaces of the installation hanging frame (3) embedded into the fireproof board layer (1) and the fireproof board layer (1).
5. The large-span underground engineering structure ceiling hanging type fireproof plate according to claim 1, wherein: through holes are uniformly formed in the fireproof plate layers (1) at equal intervals, and the connecting pieces (2) between the plates penetrate through the through holes to fix the three fireproof plate layers together.
6. The large-span underground engineering structure ceiling hanging type fireproof plate according to claim 2, wherein: the externally-hung fireproof plate further comprises a communication and ventilation pipeline (7), and the communication and ventilation pipeline (7) is externally hung on the pipeline installing support (3-4).
7. The large-span underground engineering structure ceiling hanging type fire-proof plate according to claim 1, characterized in that: the fiber board layers (1-3) can be formed by bonding one or more layers of carbon fiber nets, glass fiber nets and basalt fiber nets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892993.6U CN210797629U (en) | 2019-06-14 | 2019-06-14 | Large-span underground engineering structure ceiling external hanging type fireproof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892993.6U CN210797629U (en) | 2019-06-14 | 2019-06-14 | Large-span underground engineering structure ceiling external hanging type fireproof plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210797629U true CN210797629U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892993.6U Expired - Fee Related CN210797629U (en) | 2019-06-14 | 2019-06-14 | Large-span underground engineering structure ceiling external hanging type fireproof plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210797629U (en) |
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2019
- 2019-06-14 CN CN201920892993.6U patent/CN210797629U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210614 |