CN215718894U

CN215718894U - Linkage type smoke exhaust device for tunnel ventilation window

Info

Publication number: CN215718894U
Application number: CN202122206052.2U
Authority: CN
Inventors: 肖新桥; 高静; 蒲元林; 王晶; 谢旭峰
Original assignee: China Energy Group Third Engineering Bureau Co Ltd
Current assignee: China Energy Group Third Engineering Bureau Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-01
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a smoke exhaust device of a linkage type tunnel ventilation window, which comprises a smoke exhaust pipeline, a smoke exhaust fan, a fixing mechanism and a detection mechanism, wherein the fixing mechanism comprises a fixing belt, an inner fixing end plate and an outer fixing end plate, the inner fixing end plate and the outer fixing end plate are respectively positioned at two ends of the fixing belt, the outer fixing end plate is positioned at the outer side of the inner fixing end plate, a plurality of insertion holes are formed in the outer fixing end plate, a plurality of connecting mechanisms are correspondingly arranged on the outer fixing end plate, and the connecting mechanisms are inserted into the corresponding insertion holes to detachably connect the outer fixing end plate and the inner fixing end plate; the detection mechanism comprises a fixed base provided with a sliding groove, a smoke concentration detector arranged on the fixed base and a smoke analysis mechanism electrically connected with the smoke concentration detector, the fixed belt penetrates through the sliding groove in the fixed base, and the smoke analysis mechanism is further electrically connected with the smoke exhaust fan. This smoke exhaust device of coordinated type tunnel ventilation window can detect the smog in the tunnel to the rotational speed of adjustment fan, thereby effective timely with the inside smog discharge in tunnel.

Description

Linkage type smoke exhaust device for tunnel ventilation window

Technical Field

The utility model relates to the technical field of fire fighting equipment, in particular to a smoke exhaust device of a linkage type tunnel ventilation window.

Background

The tunnel is a semi-closed space, and the comburent is mostly petrol, diesel oil etc. in case of the conflagration, produced high temperature and poisonous flue gas are very difficult in time to get rid of, can cause very big injury to the facility and the personnel that are in underground space, easily cause the vicious accident, consequently the ventilation is discharged fume and is the most important measure of tunnel fire control, in the tunnel, must have suitable flue gas control system, sets up the discharge flue at top or other positions along tunnel length direction, tunnel top position sets up a series of coordinated type exhaust ports and is an effectual tunnel flue gas control technique.

However, when the existing linkage type tunnel is ventilated and exhausted smoke, the rotating speed of the exhaust fan is set to be used for exhausting smoke, but the tunnel cannot be detected at any time, if the smoke in the tunnel is too much, the exhaust speed is slow, so that the smoke in the tunnel cannot be effectively and timely exhausted, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a smoke exhaust device of a linkage type tunnel ventilation window, aiming at detecting smoke in a tunnel and further adjusting the smoke exhaust speed.

In order to achieve the above object, the present invention provides a smoke exhaust device for a linkage type tunnel ventilation window, comprising a smoke exhaust duct, a smoke exhaust fan located in the smoke exhaust duct, a fixing mechanism sleeved outside the smoke exhaust duct, and a detection mechanism installed on the fixing mechanism, wherein,

the fixing mechanism comprises a fixing belt sleeved outside the smoke exhaust pipeline, and an inner fixing end plate and an outer fixing end plate which are respectively positioned at two ends of the fixing belt, the outer fixing end plate is positioned outside the inner fixing end plate, a plurality of insertion holes are formed in the outer fixing end plate, a plurality of connecting mechanisms are correspondingly arranged on the outer fixing end plate, and the connecting mechanisms are inserted into the corresponding insertion holes to detachably connect the outer fixing end plate and the inner fixing end plate;

the detection mechanism comprises a fixed base provided with a sliding groove, a smoke concentration detector arranged on the fixed base and a smoke analysis mechanism electrically connected with the smoke concentration detector, the fixed belt penetrates through the sliding groove in the fixed base, and the smoke analysis mechanism is further electrically connected with the smoke exhaust fan.

Preferably, unable adjustment base is including the slider that is equipped with the spout, the connecting block that is located the slider below, be fixed in the pulling force board of connecting block below and can dismantle the mounting box of being connected with the pulling force board, and inside smog analysis mechanism and smog concentration detector all were fixed in the mounting box.

Preferably, the both sides of mounting box all are provided with the connection end plate, have all seted up the screw on connection end plate and the pulling force board, and the lead screw passes connection end plate and pulling force board in proper order, and the protruding cover of stretching out of connection end plate of lead screw has the nut in order to connect connection end plate and pulling force board can dismantle.

Preferably, a filter screen is installed at the bottom opening of the installation box.

Preferably, a gasket is further arranged on the screw rod between the nut and the connecting end plate.

Preferably, the connecting mechanism comprises a fixed cylinder fixed on the inner fixed end plate and arranged in a hollow mode, a fixed rod with an end portion extending into the fixed cylinder and capable of sliding relative to the fixed cylinder, and a tension bar fixed on the fixed rod and positioned at the outer end portion of the fixed cylinder, and a clamping groove used for accommodating the tension bar and fixing the tension bar is formed in the outer fixed end plate.

Preferably, the end part of the fixing rod positioned in the fixing barrel is provided with a limit baffle.

Preferably, the tension bar is provided with a slot for inserting a tool to rotate the tension bar.

Preferably, the insertion holes are provided with at least seven.

Preferably, the fixing belt is made of a flexible belt structure made of nylon or a metal material.

The smoke exhaust device of the linkage type tunnel ventilation window has the following beneficial effects.

1. Detect the inside smog size in tunnel through smog concentration detector and smog analysis mechanism to this control is discharged fume the rotational speed size of main part, when ventilating and discharging fume with solving current coordinated type tunnel, often all set for the rotational speed size of exhaust fan and be used for discharging fume, but lead to like this not detecting to the tunnel inside at any time, if the inside smog in tunnel is too much, exhaust speed is slow, make the inside smog in tunnel discharge that can not be effectively timely, cause the problem of potential safety hazard.

2. And the cooperation of external fixation end plate and internal fixation end plate to realize the adjustable length of fixed band, improved this fume extractor's wildcard nature, on the other hand adopts coupling mechanism can dismantle the connection, makes fixed band convenient to detach and change, wastes a large amount of operating time when avoiding needing to change, hinders the traffic flow and traveles.

3. Unable adjustment base and smog concentration detector and the smog analysis mechanism who is connected rather than the electricity can dismantle and be connected, are convenient for change the part of inside, perhaps maintain, avoid the assembly and disassembly difficulty, extravagant operating time's problem.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a smoke exhaust device of a linkage type tunnel ventilation window of the present invention;

FIG. 2 is a schematic structural diagram of a fixing mechanism and a detection mechanism in the smoke exhaust device of the linkage type tunnel ventilation window of the utility model;

FIG. 3 is a schematic view of the internal structure of the fixing mechanism and the detecting mechanism in the smoke exhaust device of the linkage type tunnel ventilation window of the present invention;

FIG. 4 is an enlarged view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a connecting mechanism in the smoke exhaust device of the linkage type tunnel ventilation window of the present invention;

fig. 6 is a schematic view of the internal structure of the detection mechanism in the smoke exhaust device of the linkage type tunnel ventilation window.

In the figure, a smoke exhaust pipeline-1, a fixing mechanism-2, a detection mechanism-3, a fixing belt-21, an inner fixing end plate-22, an outer fixing end plate-23, a jack-24, a clamping groove-25, a connecting mechanism-26, a fixing cylinder-2601, a movable hole-2602, a fixing rod-2603, a limiting baffle-2604, a tension bar-2605, a slot-2606, a sliding block-31, a connecting block-32, a tension plate-33, a screw hole-35, a screw rod-37, a gasket-38, a nut-39, a mounting box-310, a connecting end plate-311, a filter screen-312, a smoke concentration detector-313 and a smoke analysis mechanism-314.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, in the preferred embodiment, a smoke evacuation device for a ventilation window of a linked tunnel includes a smoke exhaust duct 1 and a smoke evacuation fan located in the smoke exhaust duct 1, the smoke evacuation device further includes a fixing mechanism 2 sleeved outside the smoke exhaust duct 1 and a detection mechanism 3 installed on the fixing mechanism 2, wherein,

the fixing mechanism 2 comprises a fixing belt 21 sleeved outside the smoke exhaust pipeline 1, and an inner fixing end plate 22 and an outer fixing end plate 23 which are respectively positioned at two ends of the fixing belt 21, the outer fixing end plate 23 is positioned at the outer side of the inner fixing end plate 22, a plurality of insertion holes 24 are formed in the outer fixing end plate 23, a plurality of connecting mechanisms 26 are correspondingly arranged on the outer fixing end plate 23, and the connecting mechanisms 26 are inserted into the corresponding insertion holes 24 to detachably connect the outer fixing end plate 23 and the inner fixing end plate 22;

the detection mechanism 3 comprises a fixed base provided with a chute, a smoke concentration detector 313 arranged on the fixed base and a smoke analysis mechanism 314 electrically connected with the smoke concentration detector 313, the fixed belt 21 penetrates through the chute on the fixed base, and the smoke analysis mechanism 314 is also electrically connected with the smoke exhaust fan.

Specifically, referring to fig. 6, the fixed base includes a sliding block 31 provided with a sliding groove, a connecting block 32 located below the sliding block 31, a tension plate 33 fixed below the connecting block 32, and a mounting box 310 detachably connected to the tension plate 33, and the smoke analysis mechanism 314 and the smoke concentration detector 313 are both fixed inside the mounting box 310.

In this embodiment, the inner surface and the outer surface of the sliding block 31 are arc-shaped, so that the fixing band 21 is conveniently attached to the outer surface of the smoke exhaust pipeline 1, unnecessary gaps are not generated, and the problem of unstable fixation is solved.

Further, referring to fig. 6, both sides of the mounting box 310 are provided with connecting end plates 311, screw holes 35 are formed in the connecting end plates 311 and the tension plate 33, a screw rod 37 sequentially penetrates through the connecting end plates 311 and the tension plate 33, and a nut 39 (adopting a wing nut) is sleeved on an end portion of the screw rod protruding out of the connecting end plate 311 to detachably connect the connecting end plates 311 and the tension plate 33.

Further, referring to fig. 6, a filter screen 312 is installed at an opening at the bottom of the installation box 310, so that redundant impurities in the air are prevented from entering the installation box 310, the impurities damage the smoke concentration detector 313 and the smoke analysis mechanism 314 inside, the detection function is not available, and the smoke exhaust effect is affected.

Further, a gasket 38 is arranged on the screw rod between the nut 39 and the connecting end plate 311. By arranging the gasket 38, friction between the nut and the connecting end plate 311 is increased, so that the fixing strength of the nut 39 is increased, and the mounting box 310 is prevented from falling off.

Specifically, referring to fig. 5, the connection mechanism 26 includes a fixed barrel 2601 fixed on one side of the inner fixed end plate 22 facing the outer fixed end plate and disposed in a hollow manner, a fixed rod 2603 having an end portion extending into the fixed barrel 2601 and capable of sliding relative to the fixed barrel 2601, and a tension bar 2605 fixed on the fixed rod 2603 and located at an outer end portion of the fixed barrel 2601, and a slot 25 opened on the outer fixed end plate 23 for accommodating the tension bar 2605 to fix the same. The fixed barrel 2601 is provided with a movable hole 2602 for the fixing rod 2603 to pass through.

Further, referring to fig. 5, a limit stopper 2604 is mounted on an end of the fixing rod 2603 inside the fixing barrel 2601. The area of the stopper 2604 is larger than that of the movable hole 2602, and the stopper 2604 is provided to prevent the fixing rod 2603 from coming out of the fixing cylinder 2601.

Further, the pull strip 2605 is provided with a slot 2606 for a tool to be inserted into to rotate the pull strip 2605, thereby facilitating the operation of the user.

Further, the insertion holes 24 are provided with at least seven. The connecting mechanism 26 is provided with at least two positions, so as to adjust the length of the fixing band 21, so that the fixing band 21 is suitable for smoke exhaust pipes 1 of various sizes, and is convenient for smoke exhaust of various tunnels.

In this embodiment, the fixing belt 21 is made of a flexible belt structure made of nylon or metal material. The fixing strap 21 is hard enough and not easy to break, so that the problems of device loss and even potential safety hazards caused by aging of the fixing strap 21 in the long-term use process are avoided.

The working principle of the smoke exhaust device of the linkage type tunnel ventilation window is as follows. The user firstly inserts the outer fixed end plate 23 through the sliding block 31, so that the sliding block 31 enters the inside of the fixed band 21, then the fixed band 21 is sleeved outside the smoke exhaust pipeline 1, then the fixed cylinder 2601 and the fixed rod 2603 on the inner fixed end plate 22 are inserted into the jack 24 inside the outer fixed end plate 23, then the pull bar 2605 is rotated through the slot 2606 to be positioned at a horizontal plane with the slot 25, the pull bar 2605 is pushed to be inserted into the slot 25 to be fixed, then the connecting end plates 311 on the two sides of the mounting box 310 are contacted with the pull plate 33, the lead screw 37 is pulled to rotate, so that the connecting end plates 311 and the pull plate 33 are fixed, finally, the smoke exhaust fan, the smoke concentration detector 313 and the smoke analysis mechanism 314 are connected with an external power supply, then the smoke in the tunnel is detected through the smoke concentration detector 313, the smoke size is analyzed through the smoke analysis mechanism 314, so as to control the smoke exhaust speed of the smoke exhaust fan, thereby completing the work.

The smoke exhaust device of the linkage type tunnel ventilation window provided by the embodiment has the following beneficial effects.

1. Detect the inside smog size in tunnel through smog concentration detector 313 and smog analysis mechanism 314 to this control is discharged fume the rotational speed size of main part, when ventilating to discharge fume with solving current coordinated type tunnel, often all set for the rotational speed size of exhaust fan and be used for discharging fume, nevertheless lead to like this to detect to the tunnel inside at any time, if the inside smog in tunnel is too much, exhaust speed is slow, make the inside smog in tunnel discharge that can not be effectively timely, cause the problem of potential safety hazard.

2. And outer fixed end plate 23 and the cooperation of internal fixation end plate 22 to realize that the length of fixed band 21 is adjustable, improved this fume extractor's wildcard nature, on the other hand adopts coupling mechanism 26 can dismantle the connection, makes fixed band 21 convenient to detach and change, and extravagant a large amount of operating time when avoiding needing to change hinders the traffic flow and traveles.

3. The fixed base and the smoke concentration detector 313 as well as the smoke analysis mechanism 314 electrically connected with the fixed base and the smoke concentration detector are detachably connected, so that the replacement or maintenance of the internal parts is facilitated, and the problems of difficult assembly and disassembly and work time waste are avoided.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.

Claims

1. A smoke exhaust device of a linkage type tunnel ventilation window comprises a smoke exhaust pipeline and a smoke exhaust fan positioned in the smoke exhaust pipeline, and is characterized by also comprising a fixing mechanism sleeved outside the smoke exhaust pipeline and a detection mechanism arranged on the fixing mechanism, wherein,

2. The smoke extractor of the linked tunnel ventilation window according to claim 1, wherein the fixed base comprises a sliding block with a sliding groove, a connecting block positioned below the sliding block, a tension plate fixed below the connecting block, and a mounting box detachably connected with the tension plate, and the smoke analysis mechanism and the smoke concentration detector are fixed inside the mounting box.

3. The smoke exhausting device of the linkage type tunnel ventilation window of claim 2, wherein the two sides of the mounting box are provided with connecting end plates, the connecting end plates and the tension plate are provided with screw holes, the screw rod sequentially passes through the connecting end plates and the tension plate, and the end part of the screw rod protruding out of the connecting end plates is sleeved with a nut to detachably connect the connecting end plates and the tension plate.

4. The smoke extractor of the linked tunnel ventilation window of claim 2, wherein a filter screen is installed at the bottom opening of the installation box.

5. The smoke extractor of the linked tunnel ventilation window of claim 3, wherein a gasket is further arranged on the screw rod between the nut and the connecting end plate.

6. The smoke extractor of the linkage type tunnel ventilation window according to claim 1, wherein the connecting mechanism comprises a hollow fixed cylinder fixed on the inner fixed end plate, a fixed rod with an end portion extending into the fixed cylinder and capable of sliding relative to the fixed cylinder, and a tension bar fixed on the fixed rod and positioned at the outer end portion of the fixed cylinder, and a clamping groove for accommodating the tension bar to fix the tension bar is formed on the outer fixed end plate.

7. The smoke extractor of the linked tunnel ventilation window of claim 6, wherein the end of the fixed rod in the fixed cylinder is provided with a limit baffle.

8. The smoke extractor of the linked tunnel ventilation window of claim 6, wherein the tension bar is provided with a slot for a tool to be inserted into to rotate the tension bar.

9. The smoke extractor of linked tunnel ventilation window of claim 1, wherein said insertion hole is provided with at least seven.

10. The smoke extractor of the linked tunnel ventilation window according to any one of claims 1 to 9, wherein the fixing band is made of a flexible band structure made of nylon or metal material.