CN214325095U - 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system - Google Patents
45-degree embedded adjustable subway rail top exhaust valve device and exhaust system Download PDFInfo
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- CN214325095U CN214325095U CN202022504300.7U CN202022504300U CN214325095U CN 214325095 U CN214325095 U CN 214325095U CN 202022504300 U CN202022504300 U CN 202022504300U CN 214325095 U CN214325095 U CN 214325095U
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Abstract
The utility model belongs to the technical field of subway station railhead wind channel is aired exhaust, specifically provide a 45 adjustable subway railhead exhaust valve device of inserted type and exhaust system, including fixing on railhead wind channel inner wall go up hot-blast gate wind valve frame all around and enclose by a plurality of fixed flank boards and close the exhaust air passageway supporting part that forms, exhaust air passageway supporting part one end and wind valve frame fixed connection, other end level orientation is unsettled and is equipped with a plurality of regulation holes of interval arrangement from top to bottom, slidable cover is equipped with the arc wind valve plate in the exhaust air passageway supporting part, arc wind valve plate one end is connected through the pivot with the one end of wind valve frame, the other end of arc wind valve plate passes through the locating pin and adjusts the jogged joint. The device is simple, convenient to install and easy to implement; the adjustable subway rail top exhaust valve device is arranged at the hot air exhaust port of each rail top, so that uniform air exhaust of the rail top heat exhaust system can be realized. The ventilation resistance of the rail top air duct main pipe is reduced, and the operation energy consumption is reduced. The problem of the even air exhaust of vertical long distance, many wind gaps is solved.
Description
Technical Field
The utility model belongs to the technical field of subway station rail top wind channel is aired exhaust, concretely relates to 45 adjustable subway rail top exhaust valve device of inserted type and exhaust system.
Background
At present, in the rail top heat extraction system of the domestic subway station, a rail top heat extraction air duct is mainly arranged in a rail running area, a plurality of groups of heat extraction air ports are arranged at the positions, right facing a train air-conditioning condenser, of the heat extraction air duct so as to discharge the heat radiation of each carriage air-conditioning condenser, and the air passing area of the heat extraction air duct is adjusted by adjusting a gate valve or an adjusting valve arranged on an air port, so that the air quantity passing through each air port is controlled. In order to uniformly exhaust air at the top of each carriage of a train as much as possible, the air exhaust quantity of each air exhaust opening is consistent by adjusting the area of the air exhaust opening in the current situation, and the air exhaust openings with gradually increased total area are arranged from the two ends of the rail top air duct to the middle part of the platform (the area of each single air exhaust opening is the same, but the number of the air openings in each group is gradually increased). The air volume is controlled to be approximate to the sudden shrinkage throttling by adjusting the gate valve or the adjusting valve to control the air passing area, the local resistance of an air port is large, the air flow direction at the air port vertically collides with the main air flow direction in an air channel, the resistance of a rail top heat extraction system is increased, the longitudinal distance mostly exceeds 140m in addition, single-end air exhaust of a heat exhaust fan is difficult to realize, therefore, the heat exhaust fan is usually set to exhaust heat from both ends of a station to the rail top air channel simultaneously, and each fan bears half length of the two ascending and descending interval rail top air channels simultaneously. The method can not realize the linkage operation of the heat exhausting fan and the train running in a single interval, and the heat exhausting fan can only continuously operate considering that the ascending and descending trains do not necessarily enter and exit simultaneously, thereby increasing the operation energy consumption; in addition, the gate valve is inconvenient to construct and adjust, and the effect of evenly airing exhaust at multiple air ports is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a 45 adjustable subway rail top exhaust valve device of inserted type of simple structure, with low costs, solved the uneven just big problem of resistance of above-mentioned rail top air exhaust.
For this, the utility model provides a 45 adjustable subway roof exhaust valve device of inserted type, including fixing on the wind channel inner wall of roof of a rail wind gap wind valve frame all around and enclose the row's of closing hot air channel supporting part that forms by a plurality of fixed flank boards, row's hot air channel supporting part one end with wind valve frame fixed connection, other end level orientation is unsettled and is equipped with a plurality of upper and lower interval arrangement's regulation hole, the slidable cover is equipped with the arc wind valve plate in the row's hot air channel supporting part, arc wind valve plate one end with the one end of wind valve frame is connected through the pivot, the other end of arc wind valve plate pass through the locating pin with the regulation jogged joint.
Preferably, the other end of arc wind valve plate is equipped with wind valve plate side ear, and the both sides of hot-blast passageway supporting part of arranging are equipped with the regulation hole of one-to-one, wind valve plate side ear with connect through the locating pin between the regulation hole.
Preferably, a pulling plate is fixedly arranged on the inner wall of the rail top air channel and fixedly connected with the top end of the hot air exhaust channel supporting part.
Preferably, a gap which is not more than 5mm is reserved between the arc-shaped air valve plate and the fixed side wing plates on the two sides.
Preferably, the arc air valve plate is integrally manufactured by a rectangular plate through an arc bending process with the radius of 600 mm.
Preferably, the arc-shaped air valve plate comprises a straight plate section and a bent section, the straight plate section forms an included angle of 45 degrees with the bottom surface of the rail top air channel, and the bent section is parallel to the bottom surface of the rail top air channel.
Preferably, the fixed side wing plate and the arc-shaped air valve plate are made of refractory materials such as galvanized steel plates or stainless steel plates.
Preferably, the galvanized steel sheet or the stainless steel sheet has a thickness of 2 mm.
The utility model provides an exhaust system, including the rail top wind channel, still include at least one 45 adjustable subway rail top exhaust valve device of inserted type, this exhaust valve device is installed the row's hot blast mouth department in rail top wind channel.
Preferably, the two adjacent exhaust valve devices are hermetically connected by a packaging plate.
The utility model has the advantages that: the utility model provides a 45 adjustable subway rail top exhaust valve device of inserted type and exhaust system, including fixing on the rail top wind channel inner wall air vent wind valve frame all around and enclose the row's hot air duct supporting part that closes and form by a plurality of fixed flank boards, row's hot air duct supporting part one end and wind valve frame fixed connection, other end level orientation is unsettled and is equipped with a plurality of upper and lower interval arrangement's regulation hole, the cover that can slide in the row's hot air duct supporting part is equipped with arc wind valve plate, arc wind valve plate one end is connected through the pivot with the one end of wind valve frame, the other end of arc wind valve plate passes through the locating pin and is connected with the regulation hole. The device has the obvious advantages of simplicity, convenience in installation, easiness in implementation and the like, and is convenient to popularize, use for reference and apply in subway stations; the adjustable subway rail top exhaust valve device is arranged at the hot air exhaust port of each rail top, so that uniform air exhaust of the rail top heat exhaust system can be realized. The ventilation resistance of the rail top air duct main pipe is reduced, and the operation energy consumption is reduced. The problem of the even air exhaust of vertical long distance, many wind gaps is solved.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of a vertical section of a 45-degree embedded adjustable subway rail top exhaust valve device and an exhaust system of the present invention;
FIG. 2 is a schematic cross-sectional structure view of the 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system of the present invention;
fig. 3 is a plan view of the 45 ° embedded adjustable subway rail top exhaust valve device and exhaust system of the present invention.
Description of reference numerals: the air valve comprises an arc-shaped air valve plate 1, a rotating shaft 2, an air valve frame 3, a fixed side wing plate 4, an air valve plate side lug 5, an adjusting hole 6, an air outlet 7, a positioning pin 8, a pull-connection plate 9 and a hot air exhaust port 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-3, the embodiment of the utility model provides a 45 adjustable subway roof exhaust valve device of inserted type, including fixing air vent air valve frame 3 all around on the wind channel inner wall of roof rail and enclosing the exhaust air passage supporting part that closes and form by a plurality of fixed flank boards 4, exhaust air passage supporting part one end with air valve frame 3 fixed connection, other end level orientation is unsettled and is equipped with a plurality of upper and lower interval arrangement's regulation hole 6, the slidable cover is equipped with arc wind valve plate 1 in the exhaust air passage supporting part, arc wind valve plate 1 one end with the one end of wind valve frame 3 is connected through the pivot, the other end of arc wind valve plate 1 pass through locating pin 8 with regulation hole 6 is connected. The other end of the arc-shaped air valve plate 1 is connected with the adjusting holes 6 with different heights through the positioning pins 8, so that the air passing area is changed, and the purpose of adjusting the air quantity is achieved.
An arc-shaped air valve plate arranged on a 45-degree embedded adjustable subway rail top exhaust valve device is hinged on an air valve frame through a rotating shaft fixed on the arc-shaped air valve plate; meanwhile, the side lugs of the air valve plates on the arc-shaped air valve plate move along arc lines up and down along the adjusting holes on the fixed side wing plates to surround with the fixed side wing plates on two sides to form adjustment of the air passing area of the upper air outlet of the exhaust valve device, and then control over the air quantity of the exhaust air port is achieved.
The 45-degree embedded adjustable subway rail top exhaust valve device controls the air passing area of an air outlet by adjusting the arc-shaped air valve plate, realizes the control of the air quantity of the air exhaust port, and is convenient and adjustable; because the air flow direction at the air outlet of the exhaust valve device is basically consistent with the main air flow direction in the rail top air channel due to the diversion of the arc-shaped air valve plate, the impact of the air flow at the air outlet on the air flow in the main air channel is avoided, the ventilation resistance of a main pipe of the rail top air channel is reduced, and the resistance reduction effect is realized; meanwhile, the adjustable subway rail top exhaust valve device is directly embedded and installed at the opening of the civil rail top air duct, so that the installation is convenient and safe; the problem of uniform air exhaust of a multi-air-outlet air exhaust pipeline with a long longitudinal distance is solved, and the possibility of uniform heat exhaust of a single heat exhaust fan on a single-side rail top air channel is provided; furthermore, the heat extraction system on the rail top of the station can control the start and stop of the corresponding heat extraction fans according to the train entering and exiting in the ascending and descending directions, so that the intermittent start and stop and the energy-saving operation are realized, and the popularization, reference and application in the subway station are facilitated.
Further scheme, two fixed side wing plates 4 of adjustable subway rail top exhaust valve device pass through the bolt fastening on wind valve frame 3, strengthen the structural stability of the fixed side wing plate 4 of both sides simultaneously through the fishplate bar 9, wind valve frame 3 expands the bottom bolt through the back and is fixed in around rail top exhaust hot-blast hole 10.
In a further scheme, a gap which is not more than 5mm is reserved between the arc air valve plate 1 and the fixed side wing plates 4 on the two sides, so that the air leakage quantity passing through the gap is reduced as much as possible while smooth rotation is ensured. The arc air valve plate 1 is integrally manufactured by bending a rectangular plate through an arc (R is 600 mm); when the rail is in a fully open state, the straight plate section of the rail is at an included angle of 45 degrees with the bottom surface of the rail top air duct 11, and the bent section of the rail is tangent to the pull-connection plates 9 at the tops of the fixed side wing plates 4 at the two sides.
In a further scheme, for convenience of installation, the size length multiplied by the width of an opening of the rail top heat exhausting air port 10 is 1500 multiplied by 566(mm), the size length multiplied by the height of an air outlet 7 of the adjustable subway rail top exhaust valve device is 630 multiplied by 400 (mm), the size length multiplied by the width of an air inlet 12 is 630 multiplied by 566(mm), two exhaust valve devices are adopted to be assembled and fixed on the periphery of the rail top heat exhausting air port 10, and a gap between the two exhaust valve devices is sealed by a packaging plate 13.
Further, the materials of the arc-shaped air valve plate 1, the fixed side wing plate 4 and the packaging plate 13 can be adjusted according to actual requirements, and materials meeting the fire resistance requirement of the subway, such as galvanized steel plates, stainless steel plates (304, thickness of 2mm) and the like, can be adopted.
The adjustable subway rail top exhaust valve device is arranged in a station rail top air duct 11, an air inlet 12 of the adjustable subway rail top exhaust valve device is fixed on the periphery of an exhaust air port 10 of a rail top through a rear expanded-bottom bolt, and an air outlet 7 of the adjustable subway rail top exhaust valve device is arranged along the direction of exhaust main air flow in the rail top air duct 11. Because the air flow direction at the air outlet 7 on the air exhaust device is basically consistent with the main air flow direction of air exhaust in the rail top air duct 11 due to the diversion of the arc-shaped air valve plate 1, the impact of the air flow at the air outlet 7 on the main air flow in the air duct is avoided, and the air exhaust resistance is reduced. The air passing area of the air outlet 7 is controlled by adjusting the arc air valve plate 1, so that the air quantity of the rail top heat exhausting air port 10 is adjusted. The adjustable subway rail top exhaust valve device is arranged at the hot air exhaust port of each rail top, so that uniform air exhaust of the rail top heat exhaust system can be realized.
The working principle of the utility model is as follows: an arc-shaped air valve plate arranged on the 45-degree embedded adjustable subway rail top exhaust valve device is hinged on an air valve frame through a rotating shaft fixed on the arc-shaped air valve plate; meanwhile, the side lugs of the air valve plates on the arc-shaped air valve plate move along arc lines up and down along the adjusting holes on the fixed side wing plates to surround with the fixed side wing plates on two sides to form adjustment of the air passing area of the upper air outlet of the exhaust valve device, and then control over the air quantity of the exhaust air port is achieved.
As shown in fig. 1 to fig. 3, the embodiment of the utility model provides a still provides an exhaust system, including the rail top wind channel, still include at least one as the previous 45 adjustable subway rail top exhaust valve device of formula of inlaying, this exhaust valve device is installed the exhaust air mouth 10 department in rail top wind channel. The specific structure and working principle of the 45 ° embedded adjustable subway rail top exhaust valve device have been explained in the foregoing, and are not described herein again. The air inlet of the 45-degree embedded adjustable subway rail top exhaust valve device is arranged at the exhaust air port 10 of the rail top air duct, and the air outlet 7 is arranged in parallel with the rail top air duct, so that the flow direction of exhaust air flow is consistent with that of main air flow in the rail top air duct, and the wind resistance is reduced.
In a further scheme, for convenience of installation, the size length multiplied by the width of an opening of the rail top heat exhausting air port 10 is 1500 multiplied by 566(mm), the size length multiplied by the height of an air outlet 7 of the adjustable subway rail top exhaust valve device is 630 multiplied by 400 (mm), the size length multiplied by the width of an air inlet 12 is 630 multiplied by 566(mm), two exhaust valve devices are adopted to be assembled and fixed on the periphery of the rail top heat exhausting air port 10, and a gap between the two exhaust valve devices is sealed by a packaging plate 13.
The utility model discloses a 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system, through the air area of the regulation control air outlet to the arc wind valve plate, realize the control to the exhaust air mouth amount of wind, convenient adjustable; because the air flow direction at the air outlet of the exhaust valve device is basically consistent with the main air flow direction in the rail top air channel due to the diversion of the arc-shaped air valve plate, the impact of the air flow at the air outlet on the air flow in the main air channel is avoided, the ventilation resistance of a main pipe of the rail top air channel is reduced, and the resistance reduction effect is realized; meanwhile, the adjustable subway rail top exhaust valve device is directly embedded and installed at the opening of the civil rail top air duct, so that the installation is convenient and safe; the problem of uniform air exhaust of a multi-air-outlet air exhaust pipeline with a long longitudinal distance is solved, and the possibility of uniform heat exhaust of a single heat exhaust fan on a single-side rail top air channel is provided; furthermore, the heat extraction system on the rail top of the station can control the start and stop of the corresponding heat extraction fans according to the train entering and exiting in the up-down direction, and therefore intermittent start and stop and energy-saving operation are achieved.
The device has the obvious advantages of simplicity, convenience in installation, easiness in implementation and the like, and is convenient to popularize, use for reference and apply in subway stations; the adjustable subway rail top exhaust valve device is arranged at the hot air exhaust port of each rail top, so that uniform air exhaust of the rail top heat exhaust system can be realized. The ventilation resistance of the rail top air duct main pipe is reduced, and the operation energy consumption is reduced. The problem of the even air exhaust of vertical long distance, many wind gaps is solved.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a 45 adjustable subway rail top exhaust valve device of flush type which characterized in that: including fixing the wind valve frame that goes up wind gap all around on the rail top wind channel inner wall and enclosing the row's hot air duct supporting part that closes and form by a plurality of fixed flank boards, row's hot air duct supporting part one end with wind valve frame fixed connection, other end level orientation is unsettled and is equipped with a plurality of upper and lower interval arrangement's regulation hole, slidable cover is equipped with the arc wind valve plate in the row's hot air duct supporting part, arc wind valve plate one end with the one end of wind valve frame is connected through the pivot, the other end of arc wind valve plate pass through the locating pin with the regulation jogged joint.
2. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: the other end of arc wind valve plate is equipped with wind valve plate side ear, and the both sides of hot air channel supporting part of arranging are equipped with the regulation hole of one-to-one, wind valve plate side ear with connect through the locating pin between the regulation hole.
3. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: and a draw-connection plate is fixedly arranged on the inner wall of the rail top air channel and is fixedly connected with the top end of the hot air exhaust channel supporting part.
4. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: and a gap which is not more than 5mm is reserved between the arc air valve plate and the fixed side wing plates at the two sides.
5. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: the arc air valve plate is integrally manufactured by a rectangular plate through an arc bending process with the radius of 600 mm.
6. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: the arc-shaped air valve plate comprises a straight plate section and a bent section, the straight plate section and the bottom surface of the rail top air channel are at 45-degree included angles, and the bent section is parallel to the bottom surface of the rail top air channel.
7. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 1, characterized in that: the fixed side wing plate and the arc-shaped air valve plate are both made of refractory materials of galvanized steel plates or stainless steel plates.
8. The 45 ° flush-mounted adjustable subway rail head exhaust valve apparatus according to claim 7, wherein: the thickness of the galvanized steel sheet or the stainless steel sheet is 2 mm.
9. The utility model provides an exhaust system, includes rail top wind channel, its characterized in that: the 45-degree embedded adjustable subway rail top exhaust valve device further comprises at least one 45-degree embedded adjustable subway rail top exhaust valve device as claimed in any one of claims 1 to 8, wherein the exhaust valve device is arranged at an exhaust air inlet of the rail top air duct.
10. The exhaust system of claim 9, wherein: and the two adjacent exhaust valve devices are hermetically connected by adopting a packaging plate.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112373498A (en) * | 2020-11-03 | 2021-02-19 | 中铁第四勘察设计院集团有限公司 | 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112373498A (en) * | 2020-11-03 | 2021-02-19 | 中铁第四勘察设计院集团有限公司 | 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system |
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