Fireproof structure special for assembly type fire-fighting smoke exhaust pipe

Abstract

The utility model discloses a special fireproof structure for a fabricated fire-fighting smoke exhaust pipe, which relates to the technical field of building smoke exhaust and comprises a suspender, a first connecting part, a second connecting part and a third connecting part, a top plate is fixedly connected below the suspender through bolts, side plates are symmetrically arranged below the top plate, and a bottom plate is arranged below the side plates. When violent explosion is caused by a fire disaster, most of generated fragments hit the bottom plate and the side plates on the two sides, at the moment, the side plates and the bottom plate can block the fragments, so that the fire-fighting smoke exhaust pipe is protected, the fragments possibly impact the fire-fighting smoke exhaust pipe from the position above the fire-fighting smoke exhaust pipe, and therefore the fire-fighting smoke exhaust pipe is protected. And at the moment, the protective net is arranged to intercept the fire, the fireproof structure is arranged to be of an assembly type, the fireproof structure can be checked after a fire disaster, and the damaged fireproof structure can be directly replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building smoke exhaust technology field, concretely relates to a special fireproof structure of assembly type fire smoke exhaust pipe. BACKGROUND

[0002] Fire smoke exhaust pipe is a key component in building fire protection system, mainly designed for removing smoke and hot gas in case of fire, so as to ensure the safe evacuation of personnel and the smooth progress of fire fighting operation. These pipes are usually connected with the mechanical smoke exhaust system of the building, which is composed of fans, air pipes, air outlets and control devices. In the event of fire, high temperature and smoke are the main obstacles in the evacuation process. The fire smoke exhaust pipe, through its efficient fan system, draws smoke out of the fire area and discharges it to the outside through the air pipe, thereby keeping the evacuation passage and fire fighting operation area clear. This helps to reduce the impact of smoke on visibility, reduce the visibility barrier of the fire scene, and enable personnel to find the safe exit more quickly.

[0003] In the smoke exhaust system of underground garage, fire smoke exhaust pipe is the most core smoke exhaust equipment, which is generally suspended in the top space by a boom. However, in the relatively closed environment of underground garage, once a fire occurs, the fire can easily spread rapidly and ignite the surrounding vehicles, and even cause an explosion. The debris produced by the explosion poses a great threat to the fire smoke exhaust pipe suspended above, which may cause damage to the surface of the pipe, such as cracks, depressions and even perforations. These damages not only damage the integrity of the smoke exhaust pipe, but also seriously affect its smoke exhaust effect. SUMMARY

[0004] The purpose of the utility model is to provide a special fireproof structure for assembly type fire smoke exhaust pipe to solve the problems raised in the background technology.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A special fireproof structure for assembly type fire smoke exhaust pipe, comprising a boom, a top plate fixedly connected below the boom by bolts, a side plate symmetrically arranged below the top plate, a bottom plate arranged below the side plate, a through slot formed in the top plate, a plurality of connecting columns fixedly connected symmetrically on one side of the top plate close to the side plate, a thread arranged at one end of the connecting column away from the top plate, a first connecting slot symmetrically formed in the side plate, a plurality of second connecting slots formed in the bottom plate, a protective net arranged on the top plate, a first connecting component connected to the protective net, the first connecting component being used for fixing the protective net and the top plate, a second connecting component connected to the top plate, the second connecting component being used for fixing the top plate and the side plate, a third connecting component symmetrically arranged and connected to the bottom plate, the third connecting component being used for fixing the adjacent bottom plates.

[0007] After the fire smoke exhaust pipe is installed, one end of the suspender is connected to the top plate through a bolt, and the other end of the suspender is installed on the ceiling, then the side plate is slidably connected to the connecting column through the first connecting slot, and when the side plate is slid to a suitable position, the side plate is fixed through the second connecting part, then the side plate on the other side is fixed, finally, the bottom plate is slidably connected to the connecting column through the second connecting slot, and then the nut is screwed on the threaded end of the connecting column, so that the top plate, the side plate and the bottom plate are fixed, and then the protective net is fixed to the upper end of the fire smoke exhaust pipe through the first connecting part, wherein the protective net and the top plate have a gap, because the fire smoke exhaust pipe is generally fixed by a suspender or a hoisting frame, the gap is provided for the suspender or the hoisting frame, when the adjacent fireproof structure is installed, the adjacent fireproof structure can be fixed through the third connecting part, and the stability of the fireproof structure can be enhanced, if a fire occurs and causes a violent explosion, most of the debris will hit the bottom plate and the side plates, at this time, the side plates and the bottom plate can block the debris, so as to protect the fire smoke exhaust pipe, and the debris may also impact the fire smoke exhaust pipe from above the fire smoke exhaust pipe, at this time, the protective net can also intercept the debris, and the fireproof structure is assembled, so that the fireproof structure can be checked after a fire, and the damaged part can be directly replaced.

[0008] Further improvement of the technical scheme of the utility model lies in that: the first connecting part comprises a first shell, the first shell is symmetrically arranged and fixed on the two sides of the protective net, a first sliding groove is formed in the shell, a first sliding block is arranged in the first shell, one end of the first sliding block is arranged in a column shape, a first spring is fixedly connected to the end of the first sliding block away from the column shape, the other end of the first spring is fixedly connected to the first shell, the first sliding block is slidably connected to the shell through the first sliding groove, a first matching groove is symmetrically formed in the top plate, a first sliding groove is also symmetrically formed in the top plate, and a guide block is fixedly connected to the end of the protective net away from the first shell.

[0009] By adopting the above technical scheme, when the protective net needs to be fixed, the first sliding block slidably connected to the first shell through the first sliding groove in the first shell is extruded, at this time, the first spring fixedly connected to the first sliding block is in a compressed state, then the position of the first sliding groove is determined, the guide block fixedly installed on the protective net is embedded along the position of the first sliding groove, then the first sliding block is released, at this time, the first sliding block is reset under the action of the first spring and enters the inside of the first matching groove, so as to realize the installation of the protective net on the top plate.

[0010] The further improvement in the technical scheme of the utility model lies in that: the second connecting part comprises a plurality of second sliding blocks, a plurality of second sliding grooves are symmetrically arranged on the top plate, the second sliding blocks are in sliding connection with the second sliding grooves, one end of the second sliding block is fixedly connected with a second spring, the other end of the second spring is fixedly connected with the top plate, one side of the second sliding block is fixedly connected with a clamping block, a clamping groove is symmetrically arranged on the side plate, and the clamping block is used in cooperation with the clamping groove.

[0011] By adopting the above technical scheme, when the side plate needs to be fixed, the side plate is slid along the connecting column, then the second sliding block is pressed to make the symmetrically arranged second sliding block move to the center, at this time, the second spring fixedly connected with the second sliding block is in a compressed state, then the side plate is continuously moved along the connecting column to contact the top plate, at this time, the clamping block fixedly connected with one end of the second sliding block enters the clamping groove arranged on the side plate, then the second sliding block is loosened, and the second sliding block is reset under the action force of the second spring, so that the side plate is fixed through the cooperation between the clamping block and the clamping groove, and through the arrangement, when the side plate is disassembled and installed, the other side plate symmetrically arranged with the side plate can be fixed alone, so that the replacement is facilitated, and the work efficiency is improved.

[0012] The further improvement in the technical scheme of the utility model lies in that: the third connecting part comprises a third shell and a box body, the third shell is arranged in a T shape and is fixedly connected with the bottom plate, a third spring is fixedly connected in the third shell, one end of the third spring is fixedly connected with a third sliding block, the third sliding block is in sliding connection with the third shell, a limiting block is fixedly connected on the third sliding block, the box body is fixedly connected with the bottom plate and is located at one end of the bottom plate away from the third shell, a fixing block is in sliding connection in the box body, and a limiting groove is arranged on the fixing block.

[0013] By adopting the above technical scheme, when the adjacent fireproof structure is installed, the third spring is in a compressed state by pressing the third sliding block, then the fixing block in the box body fixedly connected with one side of the bottom plate is moved, so that the fixing block enters the third shell, when the fixing block moves to the limit position, the third sliding block is loosened, the third sliding block is reset under the action force of the third spring, so that the limiting block fixedly connected with the third sliding block enters the limiting groove arranged on the fixing block, so that the fixing block is fixed, and the adjacent bottom plates are fixedly connected through the third connecting part, so that the stability of the entire fireproof structure is improved.

[0014] The further improvement in the technical scheme of the utility model lies in that: an inclined surface is arranged on the clamping block, and an arc surface is arranged on one end of the fixing block close to the clamping block.

[0015] The third connecting component is connected by directly driving the fixing block into the inside of the third shell without pressing the third sliding block, the arc surface provided on the fixing block extrudes the inclined surface with a pressing force, the third spring is extruded by the inclined surface to extrude the third sliding block, the fixing block can pass through the third sliding block, when the fixing block moves to the limit position, the limiting block meets the limiting groove to enter the limiting groove under the action force of the third spring, the fixing effect of the fixing block is realized, the steps required for installation are reduced, and the work efficiency is improved.

[0016] The further improvement of the technical scheme of the utility model lies in that the surface of the edge plate and the bottom plate close to the outer side is provided with a protective layer, and the material of the protective layer is titanium alloy.

[0017] The above technical scheme is adopted, the protective layer with the titanium alloy material is arranged on the surface of the edge plate and the bottom plate close to the outer side, the anti-impact performance of the edge plate and the bottom plate is enhanced, the protective layer with the titanium alloy material is also high-temperature resistant, and therefore the edge plate and the bottom plate have good fireproof performance.

[0018] The further improvement of the technical scheme of the utility model lies in that the material of the protective net is stainless steel.

[0019] The above technical scheme is adopted, the protective net is arranged, and the fragments can be intercepted, but the temperature of the fragments is relatively high when the fragments explode, the protective net with the stainless steel material can withstand high temperature, and the high-temperature fragments can be prevented from damaging the protective net.

[0020] The above technical scheme is adopted.

[0021] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0022] 1. The utility model provides a special fireproof structure of assembly type fire-fighting smoke exhaust pipe, after installing the fire-fighting smoke exhaust pipe, the one end between the jib and the roof is connected through the bolt, then the other end of jib is installed on the ceiling, then the sideboard is slidably connected with the connecting column through the first connecting groove, when sliding to the appropriate position, the sideboard is fixed through the second connecting part work, then the sideboard of the other side is fixed, finally install the bottom plate, the bottom plate is slidably connected with the connecting column through the second connecting groove, then the nut is screwed on the threaded end of connecting column, thereby fixing the roof, sideboard and bottom plate, then the protective net is fixed on the upper end of fire-fighting smoke exhaust pipe through the first connecting part, wherein, there is a gap between the protective net and the roof, because the fire-fighting smoke exhaust pipe is generally fixed through the jib or the hoisting frame, the gap is set to leave a position for the jib or the hoisting frame, when the adjacent fireproof structure is installed, the adjacent fireproof structure can be fixed through the third connecting part, fixing the adjacent fireproof structure can enhance the stability of the fireproof structure, if there is a fire resulting in violent explosion, most of the debris generated will hit the bottom plate and the side plate on both sides, at this time, the side plate and the bottom plate can block the debris, thereby protecting the fire-fighting smoke exhaust pipe, it is also possible that the debris will impact the fire-fighting smoke exhaust pipe from above the fire-fighting smoke exhaust pipe, at this time, the protective net can also be intercepted by being provided, the fireproof structure is provided in assembly type, which can be checked after the fire, and the damaged one can be directly replaced.

[0023] 2. The utility model provides a special fireproof structure of assembly type fire-fighting smoke exhaust pipe, when the adjacent fireproof structure is installed, press the third sliding block to make the third spring be in compression state, then move the fixed block slidably connected in the box body of one side fixed connection of bottom plate, make the fixed block enter the third shell body, when the fixed block moves to the limit position, loosen the third sliding block, the third sliding block resets under the action of the third spring, thereby driving the limiting block fixedly connected with the third sliding block to enter the limiting slot set up on the fixed block, thereby fixing the fixed block, the third connecting part is set to fixedly connect the bottom plate arranged adjacently, can improve the stability of whole fireproof structure.

[0024] 3. The utility model provides a special fireproof structure of assembled fire-fighting smoke exhaust pipe, be provided with inclined plane on the limiting piece and be provided with cambered surface on the one end of fixed block close limiting piece, can not press third sliding block in the work of third connecting component connection, through direct drive fixed block enters the inside of third shell, the cambered surface on fixed block meets extrusion pressure to inclined plane at this time, extrude third spring through inclined plane to extrude third sliding block, make fixed block can pass through third sliding block, when fixed block moves to limit position, limiting piece meets limit groove at this time to enter limit groove under the action of third spring, to realize the fixed effect of fixed block, and such also can reduce the step required by installation, to improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model makes further detailed instructions in combination with the following drawings.

[0026] Figure 1 It is the structure schematic drawing of the utility model;

[0027] Figure 2 It is the first cross section structure schematic drawing of the utility model;

[0028] Figure 3 It is the second cross section structure schematic drawing of the utility model;

[0029] Figure 4 It is the third cross section structure schematic drawing of the utility model;

[0030] Figure 5 It is the unfolded structure schematic drawing of the utility model;

[0031] Figure 6 It is the fixed block structure schematic drawing of the utility model;

[0032] Figure 7 It is the A place enlarged structure schematic drawing of the utility model.

[0033] In the drawing: 1, top plate; 2, edge board; 3, bottom plate; 4, through slot; 5, connecting column; 6, first connecting groove; 7, second connecting groove; 8, protective net; 9, first shell; 10, first sliding slot; 11, first sliding block; 12, first spring; 13, first matching groove; 14, first sliding groove; 15, guide block; 16, second sliding block; 17, second sliding slot; 18, second spring; 19, clamping block; 20, clamping groove; 21, third shell; 22, box body; 23, third spring; 24, third sliding block; 25, limiting piece; 26, fixed block; 27, limit groove; 28, inclined plane; 29, protection layer. DETAILED DESCRIPTION

[0034] The utility model makes further detailed instructions in combination with the following drawings.

[0035] Embodiment 1

[0036] As shown in Figure 1 and Figure 5 The utility model provides a special fire -resistant structure of assembly type fire -smoke exhaust pipe, including derrick, the bottom of derrick is connected with roof 1 through bolt fixedly, the bottom of roof 1 is symmetrically provided with baffle 2, baffle 2 is provided with bottom plate 3, roof 1 is set up and is provided with through slot 4, roof 1 is symmetrically provided with a plurality of connecting columns 5 of fixed connection on the side close to baffle 2, and the end away from roof 1 of connecting column 5 is provided with screw thread, the first connecting groove 6 is symmetrically set up on baffle 2, and a plurality of second connecting grooves 7 are symmetrically set up on bottom plate 3, and the protective net 8 is set up on roof 1, and the first connecting part is connected on the protective net 8, and the first connecting part is used to fix the protective net 8 and roof 1, and the second connecting part is connected on roof 1, and the second connecting part is used to fix roof 1 with baffle 2, and the third connecting part is symmetrically set up and is connected on bottom plate 3, and the third connecting part is used to fix the bottom plate 3 of adjacent setting.

[0037] In this embodiment, after installing fire -smoke exhaust pipe, the end between derrick and roof 1 is connected through bolt, then the other end of derrick is installed on the ceiling, then baffle 2 is slidably connected with connecting column 5 through first connecting groove 6, when sliding to the appropriate position, baffle 2 is fixed through the work of second connecting part, then the baffle 2 of the other side is fixed, finally install bottom plate 3, and bottom plate 3 is slidably connected with connecting column 5 through second connecting groove 7, then the nut is screwed on the end of connecting column 5 provided with screw thread, thereby fixing roof 1, baffle 2 and bottom plate 3, then the protective net 8 is fixed on the upper end of fire -smoke exhaust pipe through the first connecting part, wherein, the gap exists between the protective net 8 and roof 1, because fire -smoke exhaust pipe is generally fixed through derrick or hoisting frame, and the gap is set, so that the position is left for derrick or hoisting frame, when installing adjacent fire -resistant structure, the adjacent fire -resistant structure can be fixed through the third connecting part, and the stability of fire -resistant structure can be enhanced by fixing adjacent fire -resistant structure, if fire occurs and causes violent explosion, most of the fragments generated will hit bottom plate 3 and the baffle 2 on both sides, at this time, baffle 2 and bottom plate 3 can block the fragments, thereby protecting fire -smoke exhaust pipe, it is also possible that the fragments impact fire -smoke exhaust pipe from the top of fire -smoke exhaust pipe, at this time, the protective net 8 can also be intercepted by being provided, the fire -resistant structure is provided, which can be checked after fire, and the damaged one can be directly replaced.

[0038] Embodiment 2

[0039] As shown in Figure 4As shown, on the basis of example 1, the utility model provides a technical scheme: preferably, the first connecting part includes first shell 9, first shell 9 is symmetrically arranged and is fixed at the both sides of protective net 8, first shell 9 is set with first sliding slot 10 in the shell, first shell 9 is provided with first sliding block 11, and one end of first sliding block 11 is cylindrically arranged, first sliding block 11 is fixedly connected with first spring 12 away from the one end of cylindrically arranged, the other end of first spring 12 is fixedly connected with first shell 9, first sliding block 11 is slidably connected with the shell through first sliding slot 10, and first shell 9 is symmetrically set with first matching slot 13 on top plate 1, first shell 9 is also symmetrically set with first sliding slot 14 on top plate 1, and the one end of protective net 8 away from first shell 9 is symmetrically set with fixedly connected guide block 15.

[0040] In the embodiment, when protective net 8 needs to be fixed, first sliding block 11 slidably connected with first shell 9 through first sliding slot 10 in first shell 9 is extruded, at this time, first spring 12 fixedly connected with first sliding block 11 is in compression state, then the position of first sliding slot 14 is determined, guide block 15 fixedly installed on protective net 8 is embedded along the position of first sliding slot 14, then first sliding block 11 is loosened, at this time, first sliding block 11 resets under the action of first spring 12 and thus enters the inside of first matching slot 13, thereby realizing that protective net 8 is installed on top plate 1.

[0041] Example 3

[0042] As Figure 3 shown, on the basis of example 2, the utility model provides a technical scheme: preferably, the second connecting part includes a plurality of second sliding blocks 16, top plate 1 is symmetrically set with a plurality of second sliding slots 17, second sliding block 16 is slidably connected with second sliding slot 17, one end of second sliding block 16 is fixedly connected with second spring 18, the other end of second spring 18 is fixedly connected with top plate 1, one side of second sliding block 16 is fixedly connected with clamping block 19, and clamping slot 20 is symmetrically set on side plate 2, and clamping block 19 and clamping slot 20 are used in cooperation.

[0043] When the side plate 2 needs to be fixed, the side plate 2 is slid along the connecting column 5, then the second sliding block 16 is extruded to make the symmetrically arranged second sliding block 16 move to the center, at this time, the second spring 18 fixedly connected with the second sliding block 16 is in a compressed state, then the side plate 2 is continuously moved along the connecting column 5, the side plate 2 is moved to be in contact with the top plate 1, at this time, the clamping block 19 fixedly connected with one end of the second sliding block 16 enters the clamping groove 20 arranged on the side plate 2, then the second sliding block 16 is released, under the action force of the second spring 18, the second sliding block 16 is reset, so that the side plate 2 is fixed through the cooperation between the clamping block 19 and the clamping groove 20, through the arrangement, the other side plate 2 symmetrically arranged with the side plate 2 can be fixed alone when the side plate 2 is disassembled and assembled, so that the replacement is facilitated and the working efficiency is improved.

[0044] Embodiment 4

[0045] As shown in Figure 6 and Figure 7 Based on the embodiment 3, the utility model provides a technical scheme: preferably, the third connecting component includes a third shell 21 and a box body 22, the third shell 21 is arranged in T type and is fixedly connected with the bottom plate 3, the third shell 21 is fixedly connected with a third spring 23, one end of the third spring 23 is fixedly connected with a third sliding block 24, the third sliding block 24 is slidably connected with the third shell 21, a limiting block 25 is fixedly connected on the third sliding block 24, the box body 22 is fixedly connected with the bottom plate 3 and is located at one end of the bottom plate 3 away from the third shell 21, a fixed block 26 is slidably connected in the box body 22, and a limiting slot 27 is arranged on the fixed block 26.

[0046] When the adjacent fireproof structure is installed, the third sliding block 24 is pressed at this time to make the third spring 23 be in a compressed state, then the fixed block 26 slidably connected in the box body 22 fixedly connected with one side of the bottom plate 3 is moved to make the fixed block 26 enter the third shell 21, when the fixed block 26 moves to the limit position, the third sliding block 24 is released at this time, the third sliding block 24 is reset under the action of the third spring 23, so as to drive the limiting block 25 fixedly connected with the third sliding block 24 to enter the limiting slot 27 arranged on the fixed block 26, so as to fix the fixed block 26, and the adjacent bottom plate 3 is fixedly connected through the third connecting component, so that the stability of the whole fireproof structure can be improved.

[0047] As shown in Figure 6 and Figure 7 In the embodiment, preferably, the clamping block 19 is provided with an inclined surface 28, and one end of the fixed block 26 close to the clamping block 19 is provided with an arc surface.

[0048] By setting the inclined surface 28 on the limiting block 25 and the arc surface on the fixing block 26 close to one end of the limiting block 25, in the work of connecting the third connecting component, the third sliding block 24 can be directly driven into the inside of the third shell 21 without pressing, at this time, the arc surface on the fixing block 26 will give the inclined surface 28 a pressing force, the third spring 23 is pressed through the inclined surface 28 to press the third sliding block 24, so that the fixing block 26 can pass through the third sliding block 24, when the fixing block 26 moves to the limit position, at this time, the limiting block 25 will encounter the limiting groove 27 to enter the limiting groove 27 under the action of the third spring 23, thereby realizing the fixing effect of the fixing block 26, at the same time, this can also reduce the steps required for installation, thereby improving the work efficiency.

[0049] As Figure 2 shown, preferably, the surface of the edge plate 2 and the bottom plate 3 close to the outer side is provided with a protective layer 29, and the material of the protective layer 29 is titanium alloy.

[0050] By setting the protective layer 29 made of titanium alloy on the surface of the edge plate 2 and the bottom plate 3 close to the outer side, the anti-impact performance of the edge plate 2 and the bottom plate 3 can be enhanced, and the protective layer 29 made of titanium alloy can also resist high temperature, so that the edge plate 2 and the bottom plate 3 have good fireproof performance.

[0051] As Figure 4 shown, preferably, the material of the protective net 8 is stainless steel.

[0052] Because the fragments generated by the explosion may hit the fire smoke exhaust pipe above the fire smoke exhaust pipe, by setting the protective net 8, the fragments can be intercepted, but the temperature of the fragments itself may be high when the explosion occurs, by setting the protective net 8 made of stainless steel, the high temperature can be resisted, so as to avoid that the high-temperature fragments damage the protective net 8.

[0053] The working principle of the fireproof structure special for the assembled fire smoke exhaust pipe will be described in detail below.

[0054] As Figure 1 - Figure 7As shown, after the installation of the fire smoke exhaust pipe, one end of the boom is connected to the top plate 1 through a bolt, and the other end of the boom is installed on the ceiling, then the side plate 2 is connected to the connecting column 5 through the first connecting slot 6, and when it is slid to the appropriate position, the side plate 2 is fixed through the second connecting part, and then the other side plate 2 is fixed, and finally the bottom plate 3 is installed, which is connected to the connecting column 5 through the second connecting slot 7, and then the nut is screwed on the threaded end of the connecting column 5, thereby fixing the top plate 1, the side plate 2 and the bottom plate 3, and then the protective net 8 is fixed at the upper end of the fire smoke exhaust pipe through the first connecting part, wherein the protective net 8 has a gap with the top plate 1, because the fire smoke exhaust pipe is generally fixed by a boom or a hoisting frame, and the gap is provided for the boom or the hoisting frame, when the adjacent fireproof structure is installed, the adjacent fireproof structure can be fixed through the third connecting part, and the stability of the fireproof structure can be enhanced, if there is a fire that causes a violent explosion, most of the debris will hit the bottom plate 3 and the side plate 2, at this time, the side plate 2 and the bottom plate 3 can block the debris, thereby protecting the fire smoke exhaust pipe, and it is also possible that the debris will impact the fire smoke exhaust pipe from above, at this time, the protective net 8 can also be intercepted. When the protective net 8 needs to be fixed, the first slider 11 connected to the first housing 9 through the first sliding slot 10 is extruded, at this time, the first spring 12 fixedly connected to the first slider 11 is in a compressed state, then the position of the first sliding slot 14 is determined, the guide block 15 fixedly installed on the protective net 8 is embedded along the position of the first sliding slot 14, then the first slider 11 is released, at this time, the first slider 11 is reset under the action of the first spring 12 to enter the inside of the first matching slot 13, thereby realizing the installation of the protective net 8 on the top plate 1. When the side plate 2 needs to be fixed, the side plate 2 is slid along the connecting column 5, then the second slider 16 is extruded to make the second slider 16 symmetrically arranged to move in the center, at this time, the second spring 18 fixedly connected to the second slider 16 is in a compressed state, then the side plate 2 is moved along the connecting column 5 to contact the top plate 1, at this time, the clamping block 19 fixedly connected to one end of the second slider 16 will enter the clamping slot 20 opened on the side plate 2, then the second slider 16 is released, and under the action of the second spring 18, the second slider 16 is reset, thereby fixing the side plate 2 through the cooperation between the clamping block 19 and the clamping slot 20. By such arrangement, when the side plate 2 is disassembled and installed, the other side plate 2 symmetrically arranged therewith will be fixed alone.When the adjacent fireproof structures are installed, the third sliding block 24 is pressed to make the third spring 23 in a compressed state, then the fixed block 26 inside the box body 22 fixedly connected to one side of the bottom plate 3 is moved, so that the fixed block 26 enters the third shell 21, when the fixed block 26 moves to the limit position, the third sliding block 24 is released, and the third sliding block 24 is reset under the action of the third spring 23, so as to drive the limiting block 25 fixedly connected with the third sliding block 24 to enter the limiting groove 27 opened in the fixed block 26, thereby fixing the fixed block 26, and the third connecting part is arranged to fixedly connect the adjacent bottom plates 3. The inclined surface 28 is arranged on the limiting block 25, and the arc surface is arranged on one end of the fixed block 26 close to the limiting block 25, so that the third sliding block 24 is not pressed during the connection of the third connecting part, and the fixed block 26 is directly driven to enter the third shell 21, the arc surface arranged on the fixed block 26 exerts a pressing force on the inclined surface 28, the third spring 23 is pressed by the inclined surface 28 to press the third sliding block 24, so that the fixed block 26 can pass through the third sliding block 24, when the fixed block 26 moves to the limit position, the limiting block 25 meets the limiting groove 27 to enter the limiting groove 27 under the action of the third spring 23, thereby achieving the fixing effect of the fixed block 26. The protection layer 29 made of titanium alloy is arranged on the surfaces of the side plates 2 and the bottom plate 3 close to the outer side, so as to enhance the anti-impact performance of the side plates 2 and the bottom plate 3, and the protection layer 29 made of titanium alloy can also resist high temperature, so that the side plates 2 and the bottom plate 3 have good fireproof performance. The fragments generated by the explosion may hit the fire smoke exhaust pipe above the fire smoke exhaust pipe, the protective net 8 is arranged to intercept the fragments, but the temperature of the fragments may be high when the explosion occurs, the protective net 8 made of stainless steel can withstand high temperature, so as to avoid that the high-temperature fragments damage the protective net 8.

[0055] The above is a detailed description of the general application, but some modifications or improvements can be made on the basis of the application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the application are within the protection scope of the application.

Claims

1. A special fireproof structure for assembled fire smoke exhaust pipe, comprising a boom; characterized in that: The top plate (1) is provided with a through slot (4), and the side of the top plate (1) close to the side plate (2) is symmetrically provided with a plurality of connecting columns (5) which are fixedly connected, and the end of the connecting column (5) away from the top plate (1) is provided with a thread, the side plate (2) is symmetrically provided with a first connecting slot (6), and the bottom plate (3) is symmetrically provided with a plurality of second connecting slots (7), the top plate (1) is provided with a protective net (8), the protective net (8) is connected with a first connecting part, the first connecting part is used for fixing the protective net (8) and the top plate (1), the top plate (1) is connected with a second connecting part, the second connecting part is used for fixing the top plate (1) and the side plate (2), and the bottom plate (3) is symmetrically provided with a third connecting part, the third connecting part is used for fixing the adjacent bottom plate (3).

2. The prefabricated fireproof structure for fire-fighting smoke exhaust ducts according to claim 1, characterized in that: The first connecting part comprises a first shell (9), the first shell (9) is symmetrically provided and fixed on the two sides of the protective net (8), the first shell (9) is provided with a first sliding groove (10), the first shell (9) is provided with a first sliding block (11), one end of the first sliding block (11) is provided in a columnar shape, the end of the first sliding block (11) away from the columnar shape is fixedly connected with a first spring (12), the other end of the first spring (12) is fixedly connected with the first shell (9), the first sliding block (11) is slidably connected with the shell through the first sliding groove (10), the top plate (1) is symmetrically provided with a first matching groove (13), and the top plate (1) is also symmetrically provided with a first sliding groove (14), and the end of the protective net (8) away from the first shell (9) is symmetrically provided with a guide block (15) which is fixedly connected.

3. The prefabricated fireproof structure for fire-fighting smoke exhaust ducts according to claim 2, characterized in that: The second connecting part comprises a plurality of second sliding blocks (16), the top plate (1) is symmetrically provided with a plurality of second sliding grooves (17), the second sliding block (16) is slidably connected with the second sliding groove (17), one end of the second sliding block (16) is fixedly connected with a second spring (18), the other end of the second spring (18) is fixedly connected with the top plate (1), one side of the second sliding block (16) is fixedly connected with a clamping block (19), the side plate (2) is symmetrically provided with a clamping groove (20), and the clamping block (19) and the clamping groove (20) are used in cooperation.

4. The prefabricated fireproof structure for fire-fighting smoke exhaust ducts according to claim 3, characterized in that: The third connecting component comprises a third shell (21) and a box body (22), the third shell (21) is arranged in a T shape and is fixedly connected with the bottom plate (3), a third spring (23) is fixedly connected in the third shell (21), the other end of the third spring (23) is fixedly connected with a third sliding block (24), the third sliding block (24) is slidingly connected with the third shell (21), a limiting block (25) is fixedly connected on the third sliding block (24), the box body (22) is fixedly connected with the bottom plate (3) and is located at the end of the bottom plate (3) away from the third shell (21), a fixed block (26) is slidingly connected in the box body (22), and a limiting groove (27) is formed in the fixed block (26).

5. The prefabricated fireproof structure for fire-fighting smoke exhaust ducts according to claim 4, characterized in that: An inclined surface (28) is arranged on the clamping block (19), and the end of the fixed block (26) close to the clamping block (19) is provided with a curved surface.

6. The prefabricated fireproof structure for fire smoke exhaust ducts according to claim 5, characterized in that: The surfaces of the edge plate (2) and the bottom plate (3) close to the outer side are provided with a protective layer (29), and the material of the protective layer (29) is titanium alloy.

7. The prefabricated fireproof structure for fire smoke exhaust ducts according to claim 6, characterized in that: The material of the protective net (8) is stainless steel.

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