Airtight structure with fireproof function at joint of steel structure dome
By installing fireproof and heat-insulating cotton, fireproof boards, and a sprinkler system at the joints of the steel structure dome, the problem of seal failure under flame action was solved, achieving a fireproof and airtight effect at the steel structure joints and ensuring structural integrity and safety.
Patent Information
- Application Number
- CN202422861536.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-22
AI Technical Summary
The seals at the joints of steel structures are prone to failure when flames spread, failing to effectively prevent the fire from spreading. Furthermore, high temperatures may cause the seals to melt, affecting the integrity and safety of the steel structure.
Fireproof insulation cotton, fireproof boards, sprinkler pipes, nozzles, thermometers, high-pressure water pumps, and water tanks are installed at the joints of the steel structure dome. Water is sprayed through the sprinkler system to cover the joints, and the fireproof insulation cotton isolates the flame temperature to prevent the sealing ring from melting.
It effectively blocks flames, prevents the sealing ring from melting, maintains the airtightness and safety of steel structure connections, and reduces the damage to the structure caused by high temperatures.
Smart Images
Figure CN223824333U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to airtight structure technical field, concretely is airtight structure with fireproof function at steel structure dome connecting place. BACKGROUND
[0002] Steel structure is a structure composed of steel material, and is one of main building structure types. The structure is mainly composed of members such as steel beam, steel column and steel truss made of sectional steel and steel plate, and adopts rust removal and rust prevention processes such as silicification, pure manganese phosphating, water washing and drying and galvanizing. Welding seam, bolt or rivet is usually used to connect between each member or part. Because the self weight is lighter, and construction is simple, the steel structure is widely used in fields such as large workshop, venue, super high-rise building and bridge.
[0003] Due to human reasons, the steel structure can cause fire. But the sealing element at the connecting part of the steel structure often becomes a weak link of fire prevention. These sealing elements usually do not have enough fireproof function. When the flame spreads to the connecting part of the steel structure, high temperature can cause the sealing element to fail rapidly. In this case, the damage of the sealing element not only cannot prevent the spread of fire, but also can expose the connecting part of the steel structure to extreme temperature. This not only destroys the integrity of the steel structure, but also can cause more serious consequences. The burned connecting part can fall due to the loss of support, which poses a great safety threat to the surrounding personnel. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing airtight structure with fireproof function at steel structure dome connecting place to solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: airtight structure with fireproof function at steel structure dome connecting place, including steel structure body, the steel structure body one side is equipped with connecting piece, is equipped with first recess and second recess on connecting piece, and first recess and second recess are equipped with first sealing ring and second sealing ring respectively, first sealing ring is combined with the surface of steel structure body, second sealing ring is combined with the bottom of cover plate, the upper surface of cover plate is equipped with first limit strip, the end of first limit strip is equipped with second limit strip, the second limit strip is combined with the baffle, the bottom of cover plate is equipped with fireproof insulation cotton, the side of fireproof insulation cotton is combined with fireproof plate, the fireproof plate is fixed with a plurality of spray pipes, the end of each spray pipe is equipped with four-way head, and each spray pipe is equipped with a plurality of spray heads, the fireproof plate is used to prevent flame from burning connecting piece directly, and the high temperature of flame is isolated by cooperating with fireproof insulation cotton, to avoid melting sealing ring by high temperature.
[0006] Preferably, the connecting piece is provided with a plurality of sliding grooves and clamping blocks, a blocking strip is inserted in the sliding groove, a plurality of fixing bolts are arranged on the side of the blocking strip and the side of the clamping block, the sliding groove is used for inserting the blocking strip, and the fixing bolts are respectively used for fixing the blocking strip on the connecting piece and fixing the connecting piece on the steel structure body through the clamping block.
[0007] Preferably, the spraying pipe is provided with a temperature detector fixed on the fireproof plate, and the temperature detector is used for detecting the temperature near the spraying pipe.
[0008] Preferably, the nozzle is fixed with a plurality of connecting columns at one end, and a splash plate is fixed at the end, away from the nozzle, of the connecting column, and the splash plate is responsible for scattering and reflecting the water sprayed by the nozzle on the fireproof plate.
[0009] Preferably, the four-way head is sleeved with a water delivery pipe, the end, away from the four-way head, of the water delivery pipe is connected with a high-pressure water pump, one side of the high-pressure water pump is provided with a water tank, the side of the water tank is fixed with a controller, the water delivery pipe cooperates with the high-pressure water pump to deliver the water in the water tank to the spraying pipe, and the controller is used for controlling the high-pressure water pump.
[0010] Preferably, the surface of the temperature detector is covered with fireproof and heat insulation cotton and a fireproof plate, so as to avoid the temperature detector from being burnt.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The utility model discloses a fireproof and heat insulation cotton, a fireproof plate, a temperature detector, a high-pressure water pump, a water tank, a spraying pipe and a nozzle realize the purpose of airtight structure fire prevention, the high-pressure water pump delivers the water in the water tank to the spraying pipe and sprays out through the nozzle, covers the whole airtight structure, blocks the flame, and also cools the fireproof plate, and the fireproof and heat insulation cotton further insulates the temperature of the flame, avoids the first sealing ring and the second sealing ring from being melted by high temperature. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is a local side sectional structure schematic view of the utility model;
[0015] Figure 3 It is a structure dispersion schematic view of the utility model;
[0016] Figure 4 It is the utility model Figure 2 Structure A enlarged schematic view.
[0017] In the figure: 1, steel structure body; 2, four-way head; 3, spray pipe; 4, water delivery pipe; 5, high-pressure water pump; 6, water tank; 7, controller; 8, temperature detector; 9, cover plate; 10, first groove; 11, first sealing ring; 12, connecting piece; 13, clamping block; 14, first limiting strip; 15, fireproof plate; 16, spray head; 17, fireproof and heat insulation cotton; 18, second sealing ring; 19, second groove; 20, blocking strip; 21, fixing bolt; 22, second limiting strip; 23, sliding groove; 24, connecting column; 25, splash plate. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0020] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0021] Please refer to Figures 1-4The utility model provides a technical scheme: airtight structure with fire -proof function at steel structure dome connecting place, including steel structure body 1, steel structure body 1 one side is equipped with connecting piece 12, is equipped with first recess 10 and second recess 19 on connecting piece 12, and first recess 10 and second recess 19 are equipped with first sealing washer 11 and second sealing washer 18 respectively, first sealing washer 11 is pasted with steel structure body 1 surface, second sealing washer 18 is pasted with the bottom of cover plate 9, and the upper surface of cover plate 9 is equipped with first limit strip 14, and the end of first limit strip 14 is equipped with second limit strip 22, and the second limit strip 22 is pasted with baffle 20, the bottom of cover plate 9 is equipped with fire -retardant insulation cotton 17, and fire -retardant insulation cotton 17 side pasting has fireproof board 15, and a plurality of spray pipes 3 are fixed on fireproof board 15, and the end of each spray pipe 3 is equipped with four -way head 2, and a plurality of spray heads 16 are equipped on each spray pipe 3, and fireproof board 15 is used to prevent flame direct combustion connecting piece 12, and then cooperate fire -retardant insulation cotton 17 to insulate the high temperature of flame, avoid high temperature melting sealing washer.
[0022] Further, a plurality of sliding grooves 23 and clamping blocks 13 are provided on the connecting piece 12, the sliding grooves 23 are inserted with the baffle 20, and a plurality of fixing bolts 21 are provided on one side of the baffle 20 and the side surface of the clamping block 13, the sliding grooves 23 are used for inserting the baffle 20, and the fixing bolts 21 are used for fixing the baffle 20 on the connecting piece 12 and fixing the connecting piece 12 on the steel structure body 1 through the clamping block 13.
[0023] Further, a temperature detector 8 is provided beside the spray pipe 3 and fixed on the fireproof board 15, which is used for detecting the temperature near the spray pipe 3.
[0024] Further, a plurality of connecting columns 24 are fixed on one end of the spray head 16, a splash plate 25 is fixed on the end of the connecting column 24 away from the spray head 16, and the splash plate 25 is responsible for scattering the water sprayed out of the spray head 16 and reflecting it on the fireproof board 15.
[0025] Further, the four-way head 2 is sleeved with a water delivery pipe 4, the end of the water delivery pipe 4 away from the four-way head 2 is connected with a high-pressure water pump 5, one side of the high-pressure water pump 5 is provided with a water tank 6, the side surface of the water tank 6 is fixed with a controller 7, the water delivery pipe 4 cooperates with the high-pressure water pump 5 to deliver the water in the water tank 6 into the spray pipe 3, and the controller 7 is used for controlling the high-pressure water pump 5.
[0026] The four-way head 2, the spray pipe 3, the spray head 16 and the water delivery pipe 4 are all made of high-temperature-resistant metal to avoid being burned by the flame in case of fire.
[0027] Further, the surface of the temperature detector 8 is covered with fire -retardant insulation cotton 17 and fireproof board 15 to avoid being burned.
[0028] Working principle: when the device is installed, first put the first sealing ring 11 in the first groove 10 on the connecting piece 12, then put the connecting piece 12 in the steel structure body 1, then put the second sealing ring 18 in the second groove 19, then stick the cover plate 9 to the second sealing ring 18, then put the first limiting strip 14 between the cover plate 9 and the clamping block 13, then put the blocking strip 20 between the sliding groove 23, and finally fix the blocking strip 20 on the connecting piece 12 through the fixing bolts 21, and fix the connecting piece 12 on the steel structure body 1 through the fixing bolts 21.
[0029] When the temperature detector 8 detects that the temperature near the spray pipe 3 is higher than the set temperature, the controller 7 controls the high-pressure water pump 5 to start, the high-pressure water pump 5 extracts water from the water tank 6 and delivers it to the water delivery pipe 4, and then delivers it to the spray pipe 3, and then the water is dispersed to the spray pipe 3 through the four-way head 2 arranged on the end of the spray pipe 3, and finally the water is sprayed out by the spray head 16 fixed on the spray pipe 3, and the water is blocked by the splash plate 25 and spreads around the splash plate 25, covering the entire cover plate 9, not only blocking the flame, but also reducing the temperature near the spray pipe 3, avoiding the melting of the first sealing ring 11 and the second sealing ring 18.
[0030] It is worth noting that the entire device is controlled by the total control device, and since the control device is matched with common devices, it belongs to existing mature technology, and the electrical connection relationship and specific circuit structure are not described here.
[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An airtight structure with fireproof function at the connection of a steel dome, characterized in that: The structure includes a steel structure body (1), on one side of which is provided a connector (12). The connector (12) has a first groove (10) and a second groove (19). The first groove (10) and the second groove (19) are respectively provided with a first sealing ring (11) and a second sealing ring (18). The first sealing ring (11) is in contact with the surface of the steel structure body (1), and the second sealing ring (18) is in contact with the bottom of the cover plate (9). The upper surface of the cover plate (9) is provided with... The first limiting strip (14) has a second limiting strip (22) at its end. A stop strip (20) is attached to the second limiting strip (22). The bottom of the cover plate (9) is provided with fireproof and heat-insulating cotton (17). A fireproof board (15) is attached to the side of the fireproof and heat-insulating cotton (17). Several spray pipes (3) are fixed on the fireproof board (15). Each spray pipe (3) is fitted with a four-way head (2) at its end, and each spray pipe (3) is provided with several nozzles (16).
2. The airtight structure with fireproof function at the connection of a steel dome according to claim 1, characterized in that: The connector (12) is provided with several sliding grooves (23) and locking blocks (13). A stop bar (20) is inserted in the sliding groove (23). Several fixing bolts (21) are provided on one side of the stop bar (20) and the side of the locking block (13).
3. The airtight structure with fireproof function at the connection of a steel dome according to claim 1, characterized in that: A thermometer (8) is fixed on a fireproof board (15) next to the spray pipe (3).
4. The airtight structure with fireproof function at the connection of a steel dome according to claim 1, characterized in that: A plurality of connecting posts (24) are fixed at one end of the nozzle (16), and a splash plate (25) is fixed at the end of the connecting post (24) away from the nozzle (16).
5. The airtight structure with fireproof function at the connection of a steel dome according to claim 1, characterized in that: A water supply pipe (4) is fitted on the four-way connector (2). A high-pressure water pump (5) is connected to the end of the water supply pipe (4) away from the four-way connector (2). A water tank (6) is provided on one side of the high-pressure water pump (5). A controller (7) is fixed on the side of the water tank (6).
6. The airtight structure with fireproof function at the connection of a steel dome according to claim 3, characterized in that: The surface of the thermometer (8) is covered with fireproof and heat-insulating cotton (17) and fireproof board (15).