CN208294570U - A kind of protection door system with ventilation equipment - Google Patents

Abstract

The utility model belongs to tunnel protection door system, and specifically disclose a kind of protection door system with ventilation equipment, protective door including being mounted in tunnel door opening, the tunnel wall above protective door and it is mounted on the intracorporal draft fan of tunnel wall, protective door includes doorframe and the door body that is mounted in the doorframe, door body is the three-layer composite structure that two composite faces press from both sides that a fireprotection layer is constituted, fireprotection layer is made of fireproofing and heat resistant material, composite faces are made of high-strength corrosion-resisting material, and draft fan is for realizing the air circulation inside and outside protective door.The utility model can effectively solve the problems, such as that the existing protective door service life is low, cavern's ventilation and heat is poor, can not efficiently use Piston Action Wind, have many advantages, such as that structure is simple, strong applicability.

Description

A kind of protection door system with ventilation equipment

Technical field

The utility model belongs to tunnel protection door field, more particularly, to a kind of protection door system with ventilation equipment.

Background technique

With the rapid development of China's transport development, railway, highway, the tunnel quantity of urban track traffic are more and more, Its length is also increasingly longer, and the canyon and escape opening for placing electrical equipment, these equipment caverns and escape are equipped in tunnel Protective door is installed in outlet.

For equipment cavern, if internal unit calorific value is excessive, need to consider the indoor heat dissipation problem in hole；For escape The protective door of outlet or fire escape or lay-by, need to guarantee lay-by inner air flow, provide to evacuation crowd One comparatively safe escape environment.

The indoor heat dissipation in equipment hole, improper ventilation are caused, cavern is caused because of the totally-enclosed of protective door in previous equipment cavern Interior equipment fault, damage, escape opening or fire escape or lay-by are realized by the blower of setting and protection door linkage The air circulation of escape environment, this traditional draft type cause the waste of tunnel space and device resource, and can not Utilize the Piston Action Wind in tunnel.In addition, fire resistant doorsets used in tunnel do not fully consider Piston Action Wind to door body in design at present Influence, due to long-term piston wind action, for conventional fire resistant doorsets although can satisfy fire-fighting requirements, integral strength is inadequate, Unbearable long-term piston wind action, and it is influenced by tunnel wet environment, door body corrosion is serious, and service life drops significantly It is low, the problems such as being easy to appear corrosion, deform, fall off or even topple over.

Utility model content

Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of protection with ventilation equipment Door system is studied and is designed by structure to key component such as protective door and draft fan and specific arrangement method, It can effectively solve the problems, such as that the existing protective door service life is low, cavern's ventilation and heat is poor, can not efficiently use Piston Action Wind accordingly, have The advantages that structure is simple, strong applicability.

To achieve the above object, the utility model proposes a kind of protection door systems with ventilation equipment comprising installation Protective door in tunnel door opening, the tunnel wall above protective door and it is mounted on the intracorporal draft fan of tunnel wall, institute The door body that protective door includes doorframe and is mounted in the doorframe is stated, which is that two composite faces press from both sides what a fireprotection layer was constituted Three-layer composite structure.

As it is further preferred that the draft fan includes collector, is mounted on the unidirectional logical of the collector inlet Air-valve and the diffusion barrel for being mounted on the collector exit are provided with rectifier in the diffusion barrel, are provided on the rectifier Impeller and guide vane, the impeller are exported close to collector, and the guide vane is exported far from collector.

As it is further preferred that the impeller includes wheel hub and the blade that is mounted on wheel hub, the blade is aerofoil profile Twisted blade, blade quantity are 8~12.

As it is further preferred that the inlet angle of the guide vane is consistent with the airflow direction come out from impeller, and the angle of outlet It is axial consistent with draft fan.

As it is further preferred that the angle of flare of the diffusion barrel is 10 °~15 °, the length of diffusion barrel is that collector is long 9~10 times of degree.

As it is further preferred that the fireprotection layer thickness be greater than composite faces, fireprotection layer with a thickness of 30- 40mm, composite faces with a thickness of 0.8mm-1.5mm, fire rating >=1.5 hour of door body.

As it is further preferred that the doorframe is connected by connector with the wall of tunnel door opening, and its every side and The tie point of wall is no less than four.

As it is further preferred that the interior outside of doorframe the right and left is provided with multiple connectors, and in one side It is staggered above and below the connector in outside, wherein the connector of inside is used to for doorframe being connected with wall towards the side of door body, The connector in outside is for doorframe to be connected with wall towards the side in tunnel.

As it is further preferred that being provided with sealing device between the doorframe and door body, which includes being set to Expansion sealing washer on doorframe and the insulated enclosure washer in door body side grooves.

As it is further preferred that being additionally provided with door closer on the tunnel wall.

In general, mainly have the above technical solutions conceived by the present invention are compared with the prior art, with Under technological merit:

1. the utility model realizes the sky inside and outside cavern by the way that draft fan is arranged on the tunnel wall above protective door Air-flow is logical, can realize the effective use of tunnel Piston Action Wind by the in due course unlatching of draft fan, realize equipment hole using Piston Action Wind Indoor heat dissipation, ventilation, the air circulation of the escape environment such as escape opening, fire escape, lay-by.

2. the integral strength that the utility model occurs in actual application from fire resistant doorsets is inadequate, unbearable long-term work The problem of plug wind effect, sets out, and the structure of fire resistant doorsets is studied and designed, design is obtained by fireprotection layer and composite wood charge level The composite construction of layer composition, the as sandwich of composite faces folder fireprotection layer guarantee while guaranteeing fire protecting performance The antiknock of door body, Wind-Pressure Resistance, antifatigue, corrosion resistance, service life greatly prolong, and can extend at least 10%.

3. the utility model is studied and designed to the structural parameters of fireprotection layer and composite faces, wherein preventing fires The thickness design of layer is at composite faces are greater than, and the thickness design of fireprotection layer is 30-40mm, and the thickness of composite faces is set It is calculated as 0.8mm-1.5mm, guarantees the fire protecting performance, Wind-Pressure Resistance, anti-fatigue performance of fire resistant doorsets, and makes the fire prevention pole of fire resistant doorsets Limit can >=1.5 hours.

4. the utility model to door body and the specific connection type of tunnel wall, the specific arrangement method of connector etc. into It has gone research, so that the tie point of the every side of doorframe and wall is no less than four by connector, guaranteed that the connection of door body and wall is strong Degree.

5. the utility model is respectively provided with multiple connectors by the interior outside on doorframe both sides, and makes side inside and outside same one side It is staggered above and below connector, and medial connection is made to connect the side of doorframe and wall towards fire resistant doorsets, outer connectors connect The side of doorframe and wall towards tunnel is connect, guarantees the reliable and stable connection of door body Yu tunnel door opening with this, guarantees integrated connection Intensity further increases Wind-Pressure Resistance and overturning-preventing ability.

6. the utility model also researching and designing sealing device, which includes the Expansion sealing pad on doorframe Circle and the insulated enclosure washer in fire resistant doorsets side grooves, with play fire prevention, Smoke prevention, anti-flaming thermal-insulation function.

Detailed description of the invention

Fig. 1 is the front view of the protection door system provided by the embodiment of the utility model with ventilation equipment；

Fig. 2 is the cross-sectional view of the protection door system provided by the embodiment of the utility model with ventilation equipment, is to escape at A in figure Channel or cavern are given birth to, is tunnel internal at B；

Fig. 3 is the structural schematic diagram of draft fan provided by the embodiment of the utility model；

Fig. 4 is the sectional view along A-A of Fig. 3；

The connection schematic diagram of Fig. 5 protective door provided by the embodiment of the utility model and tunnel door opening；

Fig. 6 is enlarged drawing at the C of Fig. 5；

Fig. 7 is enlarged drawing at the D of Fig. 5.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.

As illustrated in fig. 1 and 2, a kind of protection door system with ventilation equipment provided by the embodiment of the utility model comprising Protective door 1, the tunnel wall 5 above protective door 1 and the ventilation being mounted in tunnel wall 5 being mounted in tunnel door opening Blower 6, protective door 1 is for closing tunnel door opening, and draft fan 6 is for realizing the air circulation inside and outside protective door 1.

As shown in Figure 3 and Figure 4, draft fan 6 includes collector 62, the one-way vent valve for being mounted on 62 inlet of collector 61 and it is mounted on the diffusion barrel 65 in 62 exit of collector, is provided with rectifier 67 in diffusion barrel 65, is arranged on the rectifier 67 There are impeller 63 and guide vane 64, impeller 63 passes through guide vane far from collector exit, rectifier close to collector exit, guide vane 64 It is connected with the inner wall of diffusion barrel.Specifically, impeller 63 includes wheel hub and the blade being mounted on wheel hub, by being installed in rectifier Internal motor driven, specific blade is preferably aerofoil profile twisted blade, and total pressure of the leaf top at blade root can be made equal, avoid whirlpool Stream loss, quantity is preferably 8~12, and the setting angle of the blade is adjustable, i.e., is changed at runtime according to different air quantity and wind pressure Become the setting angle of blade；The inlet angle of guide vane 64 is consistent with the airflow direction come out from impeller 63, and the angle of outlet and blower It is axial consistent so that air-flow leave guide vane be it is axial, reduce flow losses.By the opening and closing of one-way vent valve, Realize the air circulation inside and outside equipment cavern, escape opening, fire escape or lay-by.And it can effectively utilize tunnel Piston Action Wind generates positive pressure, closes one-way vent valve at this time, make draft fan and door opening when train passes through tunnel in front of train It is inside and outside not to be connected to, avoid positive pressure through draft fan in cavern band thing；After train passes through tunnel, train rear is generated Negative pressure opens one-way vent valve at this time, makes draft fan and door opening are inside and outside to be connected to, the indoor air in hole will under the action of negative pressure according to It is secondary through one-way vent valve, collector, rectifier head, impeller, guide vane, rectifier tail portion, then through diffusion barrel export be discharged, i.e., The air in door opening is discharged using the swabbing action of negative pressure, heat dissipation, the ventilation of equipment cavern are realized with this, escape opening is dredged Dissipate the air circulation of channel, act of rescue etc., impeller can start (i.e. unlatching motor impeller rotation) or not start when negative pressure (i.e. closing motor without dynamic wheel rotation), when impeller starts, hole room air can under the double action of impeller and negative pressure by Be expelled to outside cavern in cavern, when impeller does not start, hole room air only under the action of negative pressure by being expelled to outside cavern in cavern, No matter which kind of mode can effectively utilize the heat dissipation and air draft of Piston Action Wind realization cavern.When no train passes through, openable list To ventilation valve, and starting motor makes wheel rotation carry out air draft, realizes the circulation of door opening inner air and outer air.

Specifically, collector 62 be it is arc-shaped, exit and the inlet of diffusion barrel 65 weld together, and make collector The monolithic case of draft fan is constituted with diffusion barrel, the angle of flare (i.e. the angle of the bus of diffusion barrel and axis) of the diffusion barrel is It 10 °~15 °, and the length of diffusion barrel is 9~10 times of collector length, is arranged in pairs or groups diffusion barrel by the collector of above structure, Air-flow can be made to be efficiently entering blower and accelerated, guarantee that intake velocity field is uniform, greatly increase air-out area, reduce out distinguished and admirable Speed improves outlet air efficiency, and reduces fan noise.Specifically, 65 outer surface of diffusion barrel is additionally provided with damper 66, blower is reduced Vibration and noise, there are two the damper 66 settings, and is arranged symmetrically in the two sides of the center of gravity of draft fan.The draft fan In the whole tunnel wall 5 loaded on 1 top of protective door, in order to further ensure its mounting stability, also pass through hanging bracket 7 It is fixed on the top inside cavern.

As shown in figure 5, protective door 1 includes doorframe 12 and the door body being mounted in the doorframe 12, which is tunnel protection Fire prevention, antiknock, Wind-Pressure Resistance, antifatigue, anti-aging core component in door system press from both sides a fireprotection layer for two composite faces The three-layer composite structure of composition, the composite faces 14 including being set to the fireprotection layer 13 of centre and set on two surface of fireprotection layer, Structure, shape, the size of two composite faces etc. are completely the same, wherein fireprotection layer is made of fireproofing and heat resistant material, to meet The fire protection requirement of door body, and composite faces are made of high-strength corrosion-resisting material, to demonstrate,prove the antiknock of door body, Wind-Pressure Resistance, resist Tired, erosion-resisting performance requirement.As shown in figure 5, intermediate fireprotection layer is provided with composite faces, face towards cavern on one side It is provided with composite faces on one side to tunnel.

Specifically, the utility model is made using fiberglass reinforced plastics (GFRP is also GRP or FRP, abbreviation glass reinforced plastic) Material is prepared for composite faces, makes composite faces that there is high intensity, antiknock, Wind-Pressure Resistance, antifatigue, corrosion resistance Can, fireproofing and heat resistant material is filled in the fiberglass reinforced plastics of two surface layers, constructs complete door body.Specifically, internal layer is prevented fires Layer guarantees the fire protecting performance of door body for playing the effect of fireproofing and heat resistant, when design, in order to reach better flameproof effect, It is prepared, is made in a manner of vermiculite board filling, and by the thickness design of the fireprotection layer at big using special fireproofing and heat resistant material In surface thickness, and thickness is preferably 30-40mm, and surface layer is prepared using composite material, with heat-resisting, high-intensitive, Wind-Pressure Resistance, The multiple actions such as antifatigue, anticorrosive, thickness are preferably 0.8mm-1.5mm, can by the fireprotection layer collocation surface layer of above-mentioned thickness Fire rating >=1.5 hour of door body are effectively ensured.

As shown in Figure 1, door body is connected with doorframe by hinge 4, door body is realized by the way that doorframe is connected with tunnel door opening Installation is fixed.Specifically, hinge uses bearing hinge (>=4.5 cun), guarantee its high intensity, and carries out antirust, fire prevention processing, door It is also attached using hinge for fireproof other than hinge between body and doorframe, on the one hand reaches flameproof effect, on the other hand may be used Door body own wt is born, the number of hinge is preferably 3, and the thickness of flap (or hinge) is no less than 3mm, to reach Better connection effect guarantees that bonding strength, equal sprayed fire proofing coating on hinge and hinge guarantee fire protecting performance.Specifically, door Stainless steel or galvanized steel can be used in frame material, can be by casting concrete in steel after installation for proof strength and stability.Specifically , skeleton component 2 is provided in door body, to improve door body intensity, door body can be double door or single open-door, two when being double door It is provided with Fire-proof lock 3 between door leaf, when being single open-door, Fire-proof lock is provided between door leaf and doorframe.

As shown in figure 5, doorframe is connected by connector with the wall of tunnel door opening, which is preferably expansion bolt A in 11, Fig. 5 is (to be used for place apparatus, such as rainwater pumps) inside cavern, and B is that tunnel (is equipped with train driving track, for column Vehicle traveling, train driving can generate Piston Action Wind in the process and act in door body).In view of concrete application occasion, door body and connection Part is in addition to the factor by dead load and dynamic load, failure by shear also by tunnel wind pressure such as Piston Action Wind, therefore in doorframe Install, the tie point on doorframe and the every side of tunnel door opening wall (left and right sides as shown in Figure 5) is designed to no less than 4, And tie point is evenly distributed on each side, and to be fixedly connected.Specifically, the interior outside on the every side of doorframe is provided with multiple connections Part, and both sides connector be symmetrical arranged, i.e., doorframe the right and left setting connector bilateral symmetry.Doorframe is the same as in one side The connector of outer two sides is staggered, wherein the connector of inside is used to for doorframe being connected with wall towards the side of door body, outside The connector of side is for doorframe to be connected with wall towards the side in tunnel.

As shown in figure 5, illustrating that (the right and the left side are symmetrical arranged for the specific arrangement method of connector by taking the left side of doorframe as an example ), the tie point of the side and wall is 8, realizes connection by 8 expansion bolts, wherein the inside of doorframe is (on the left of Fig. 5 Top) there are four expansion bolt, short transverse arranged for interval of four expansion bolts along doorframe, outside (Fig. 5 of doorframe for setting The lower section in left side) setting there are four expansion bolt, four expansion bolts along doorframe short transverse arranged for interval, and this four Four expansion bolt interlaced arrangements of a expansion bolt and inside, i.e., along the short transverse of doorframe, be successively medial expansion bolt, Lateral expansion bolt, medial expansion bolt, lateral expansion bolt, and so on.More specifically, the expansion bolt of inside passes through Bolted angle connection wall and doorframe, the inner surface of the metope with wall towards door body side and doorframe closely connects the angle steel respectively Touching, and its face contacted with wall is fixed on the metope of wall by expansion bolt, is welded on the face of door frame contact On doorframe；The expansion bolt in outside equally passes through Bolted angle connection wall and doorframe, and the angle steel is respectively with wall towards tunnel side Metope and the lateral surface of doorframe be in close contact, and its face contacted with wall is fixed on the wall of wall by expansion bolt On face, it is welded on doorframe with the face of door frame contact.Pass through the specific arrangement method of above-mentioned connector, it is ensured that door body and tunnel The reliable and stable connection of manhole guarantees integrated connection intensity, further increases Wind-Pressure Resistance and overturning-preventing ability.

Further, sealing device 8 is provided between doorframe and door body, as shown in Figures 6 and 7, which includes The insulated enclosure washer 8-2 being fixed in Expansion sealing washer 8-1 and door body side grooves on doorframe 12.When generation fire When, it is fixed on Expansion sealing washer 8-1 on doorframe 12 prolonged expansion after heated, plays and blocks door leaf and door after door body is closed The effect of transverse slot between frame has the function of fire prevention, Smoke prevention, and the insulated enclosure washer 8-2 in side grooves is using anti- Fiery flame retardant rubber is made, and on the one hand plays the gap that sealing is generated by connection doorframe and the hinge of door body, can also be with Sealed doorframe With the contact surface of door body, the effect of anti-flaming thermal-insulation is on the other hand also acted as.In order to guarantee the closure effect of door body, in tunnel wall Door closer is additionally provided on 5, door closer carries out antirust, fire prevention processing using heavy door closer.

The door body of the utility model meets door using flame retardant coating using the composite structure of composite layer folder flame retardant coating The fire protection requirement of body guarantees the intensity of door body, antiknock, Wind-Pressure Resistance, antifatigue, anticorrosive using composite faces (glass reinforced plastic) Performance requirement, the problems such as previous subway tunnel routine door body is corroded, deforms, falls off or even toppled over is solved, even if in long-term wind Under the action of pressure, service life is also longer.The protection door system with ventilation equipment of the utility model is directly in protection door system Integrated ventilation equipment, can be divulged information by system realization two shield structure, space ventilator functions, solution equipment cavern, Heat dissipation problem, and tunnel space is saved, save equipment cost.

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of protection door system with ventilation equipment, which is characterized in that including be mounted in tunnel door opening protective door (1), Tunnel wall (5) above protective door (1) and the draft fan (6) being mounted in tunnel wall (5), the protective door (1) door body for including doorframe and being mounted in the doorframe, the door body are that two composite faces press from both sides three layers that a fireprotection layer is constituted Composite construction.

2. as described in claim 1 with the protection door system of ventilation equipment, which is characterized in that the draft fan (6) includes Collector (62), the one-way vent valve (61) for being mounted on collector (62) inlet and it is mounted on collector (62) exit Diffusion barrel (65), is provided with rectifier (67) in the diffusion barrel (65), be provided on the rectifier (67) impeller (63) and Guide vane (64), the impeller (63) export close to collector, and the guide vane (64) exports far from collector.

3. as claimed in claim 2 with the protection door system of ventilation equipment, which is characterized in that the impeller (63) includes wheel hub And it is mounted on the blade on wheel hub, the blade is aerofoil profile twisted blade, and blade quantity is 8~12.

4. as claimed in claim 2 with the protection door system of ventilation equipment, which is characterized in that the inlet angle of the guide vane (64) It is consistent with the airflow direction come out from impeller (63), and the angle of outlet and the axial direction of draft fan are consistent.

5. as claimed in claim 2 with the protection door system of ventilation equipment, which is characterized in that the diffusion of the diffusion barrel (65) Angle is 10 °~15 °, and the length of diffusion barrel (65) is 9~10 times of collector (62) length.

6. as described in claim 1 with the protection door system of ventilation equipment, which is characterized in that the thickness of the fireprotection layer is greater than Composite faces, fireprotection layer with a thickness of 30-40mm, composite faces with a thickness of 0.8mm-1.5mm, the fire prevention of door body The limit >=1.5 hour.

7. as described in claim 1 with the protection door system of ventilation equipment, which is characterized in that the doorframe by connector with The wall of tunnel door opening is connected, and the tie point of its every side and wall is no less than four.

8. as claimed in claim 7 with the protection door system of ventilation equipment, which is characterized in that the interior outside of doorframe the right and left Multiple connectors are provided with, and with staggered above and below the connector of side inside and outside one side, wherein the connector of inside is used for Doorframe is connected with wall towards the side of door body, the connector in outside is for the side phase by doorframe with wall towards tunnel Even.

9. as described in claim 1 with the protection door system of ventilation equipment, which is characterized in that set between the doorframe and door body It is equipped with sealing device, which includes Expansion sealing washer on the doorframe and exhausted in door body side grooves Edge seal washer.

10. as described in claim 1 with the protection door system of ventilation equipment, which is characterized in that on the tunnel wall (5) also It is provided with door closer.