CN201250671Y - Subway connection section super-wide abnormal flood-proof protective and closed blocking door - Google Patents
Subway connection section super-wide abnormal flood-proof protective and closed blocking door Download PDFInfo
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- CN201250671Y CN201250671Y CNU2008203022318U CN200820302231U CN201250671Y CN 201250671 Y CN201250671 Y CN 201250671Y CN U2008203022318 U CNU2008203022318 U CN U2008203022318U CN 200820302231 U CN200820302231 U CN 200820302231U CN 201250671 Y CN201250671 Y CN 201250671Y
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- 230000002159 abnormal effect Effects 0.000 title abstract description 6
- 230000000903 blocking effect Effects 0.000 title abstract description 4
- 230000001681 protective effect Effects 0.000 title abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 21
- 238000006424 Flood reaction Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 230000007123 defense Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002575 chemical warfare agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a subway connection section super-wide abnormal flood-proof protective and closed blocking door. A gap between a big door leaf and a steel rail is provided with a movable doorsill sealing mechanism which comprises a sealing beam and abnormal type sealing rubber strips; a sealing insulating rubber slab is arranged under the position between the plane of the steel railway of the connection section and the bottom face of the steel rail; tow sides of the steel rail of the connection section are sealed by steel rail sealing boxes; abnormal sealing rubber blocks are filled in a gap between the steel rail sealing boxes and the steel rail; pressure plates are arranged between the side plates of the steel rail sealing boxes and the side face of each abnormal sealing rubber block; the outer side of each pressure plate is connected with a hold-down bolt which is locked by a gasket and a hold-down nut; two sides of the upper edge of the steel rail sealing box are connected with upper edge plates in a separation way; the upper edge plates are fixedly connected with the sealing beam of the movable doorsill sealing mechanism by fastening screws; the upper part of the big door leaf is connected with a small upper door; the joint of the small upper door and the big door leaf is connected with a sealing groove embedded in a catenary; and the surrounding of the catenary is filled with sealing rubber pads. The utility model solves the sealing problem of the blocking door with the rail and the catenary at the position of the connection section.
Description
Technical field
The utility model relates to the airtight partition door of a kind of protection, especially for the airtight partition door of the protection of overhead current collection mode.
Background technology
Subway is the important component part of modern city public transport, subway engineering is the underground traffic main line at ordinary times, be the main passage for evacuation of urban civil air defense wartime, can be used as personnel shelter again, when suffering nuclear weapon, chemical weapons, conventional weapon attack and under the city secondary disaster after attacking, the safety of support personnel and equipment has the complex protection capability that improves entire city.Each station is interconnected by running tunnel at ordinary times, and the partition door that the two-way ripple load that withstands shocks respectively of energy is set wartime cuts off the tunnel between the station, forms separate protective unit.
Underground railway after setting up defences is the large-scale civil air defense constructions and installations that is formed by connecting by the tunnel by many stations.For guaranteeing under the situation of a station people's air defense afunction, not influence the performance of adjacent station safeguard function wartime, the airtight partition door of protection of the ripple load that can two-wayly withstand shocks respectively is set in the tunnel between needing AT STATION.Overhead current collection is new electric means, is different from the 3rd rail and is subjected to electric form with other, and therefore, contact net electric subway can not disconnect contact net when requiring to cut off, otherwise the converting from wartime to peacetime production and vice versa time will be very long.Many contact nets are arranged on the subway of overhead current collection mode, railway roadbed, many rail are arranged down.The door body not only will satisfy bidirectional stress simultaneously, protection is airtight, unlatching is convenient, and will satisfy safe requirement at ordinary times.The airtight partition door of existing protection does not solve at the sealing problem in the branch-cut bridge section, especially has the super wide abnormal shape of a plurality of overhead current collection forms, the branch-cut bridge section is the running tunnel of shallow embedding, structure types complexity, the track of branch-cut bridge section is generally super wide abnormity, rail generally has many, and its shape is very complicated, and the sealing problem in its wartime is badly in need of and will be solved, simultaneously, the branch-cut bridge section also needs to solve the problem that can not disconnect contact net when cutting off by the contact net of door.
The utility model content
The utility model provides a kind of subway branch-cut bridge Duan Chaokuan the special-shaped anti-airtight partition door of protection that floods, and solve the sealing problem of the airtight partition door of protection at branch-cut bridge section and track and contact net.
The technical scheme that its technical problem that solves the utility model adopts is: the special-shaped anti-airtight partition door of protection that floods of this subway branch-cut bridge Duan Chaokuan, comprise big door leaf, doorframe, locking and hinge page or leaf, place, slit between big door leaf and the rail is provided with the movable sill sealing mechanism, the movable sill sealing mechanism comprises sealed beam and special-shaped sealing rubber strip, it is characterized in that:
A, between the rail railway roadbed plane of branch-cut bridge section and rail foot surface, be lined with the sealed insulation offset plate, the rail both sides of branch-cut bridge section are sealed by the rail stuffing box, fill up special-shaped caulking gum piece in the gap between rail stuffing box and the rail, the groove that holds wheel is left in inboard, rail top flange, be equipped with pressing plate between the side plate of rail stuffing box and the special-shaped caulking gum piece side, the pressing plate outside connects hold-down bolt, hold-down bolt is by packing ring and clamp nut locking, the both sides, upper edge of rail stuffing box are connected with the upper edge plate at interval, and the upper edge plate is fixedlyed connected with the sealed beam of movable sill sealing mechanism by trip bolt.
B, big door leaf top also are connected with the last wicket that is used for by contact net, are connected with the seal groove of embedding contact net at the last wicket and the seam crossing of big door leaf, and contact net is filled with seal gasket on every side.
Above-mentioned movable sill sealing mechanism is made up of sealed beam and special-shaped sealing rubber strip.
Above-mentioned hinge page or leaf can be the Double pin hinge page or leaf.
Above-mentioned big door leaf and last wicket can be the girder steel plated constructions of bidirectional stress.
Above-mentioned big door leaf can have down little airtight blast door.
Above-mentioned big door leaf side also can be connected with cat ladder.
Above-mentioned doorframe or big door leaf peace can be equipped with safe locating device.
The beneficial effects of the utility model are:
The utility model has solved the technical barrier of branch-cut bridge section and track and contact net sealing with the sealing device of big or small double-leaf vertical-revolving formula door leaf and the many rail of branch-cut bridge section, when implementing to cut off, guaranteed an interval at ordinary times, wartime is safe in utilization.
The movable sill sealing mechanism is used for adjusting the gap of door leaf and doorframe bottom, is used for the sealing of door leaf lower edge and track.To solve partition door inconsistent problem in railway roadbed plane when the interval position of difference.Movable sill is placed on by a side of hinge page or leaf and fixed at ordinary times, is connected with the sealing device of many rail of doorframe bottom wartime and carries out the track closed processes, the sealing on realization and railway roadbed plane and the sealing of track side channel.
The sealing device of the many rail of branch-cut bridge section is combined by rail stuffing box and special-shaped caulking gum piece, and clamping screw can make special-shaped caulking gum piece be pressed on the rail side, has strengthened the sealing of door leaf lower edge and track.The utility model has solved the sealing problem of branch-cut bridge section many rail railway roadbeds plane and rail two siding track grooves.And bring great convenience to converting from wartime to peacetime production and vice versa.
The airtight measure of contact net, when implement cutting off, do not disconnect contact net, leave the groove that can push contact net at big door leaf and little door leaf and contact net corresponding position, and in groove, establish sealing joint strip, contact net is squeezed into groove when putting in place when door leaf cuts out, and reaches sealing purpose by sealing joint strip.The two-way ripple load action that withstands shocks of above-mentioned door leaf structure energy, door leaf divides small one and large one two-door fan, but be the girder steel plated construction of bidirectional stress, become skeleton by the shaped steel assembly welding, inside and outside steel plate is welded into integral body with it, is provided with the seal gasket of the sealing contact net of groove on big or small door leaf, turns down door leaf behind the utilization elder generation big door leaf in pass contact net is embedded in the groove, make the contact net jam-packed when closing the wicket locking, reach the purpose of sealing.The utility model has solved the technical barrier that does not disconnect, do not destroy contact net when the branch-cut bridge section subway of overhead current collection is interval to be implemented to cut off.
The utility model cuts off airtight applicable to the interval of the subway civil air defense constructions and installations of the electric means of subway branch-cut bridge section.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a main TV structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of A-A section among Fig. 1.
Fig. 3 is the enlarged drawing at I place among Fig. 2.
Fig. 4 is the structural representation of big door leaf and last wicket.
Fig. 5 is the structural representation of C-C section among Fig. 4.
Fig. 6 is the structural representation of the two rail sealing devices in II place among Fig. 1.
Fig. 7 is the structural representation of the single rail sealing device in III place among Fig. 1.
Fig. 8 is the structural representation of two rail stuffing boxs.
Fig. 9 is the plan structure schematic diagram of Fig. 8.
Figure 10 is the structural representation of B-B section among Fig. 8.
Figure 11 is the structural representation that the rail stuffing box has been filled special-shaped caulking gum piece.
Reference numeral: 1-big door leaf, 2-doorframe, 3-movable sill sealing mechanism, 3.1-sealed beam, 3.2-special-shaped sealing rubber strip, 4-rail stuffing box, 4.1-base plate, 4.2-upper edge plate, 4.3-side plate, 4.4-pressing plate, 4.5-hold-down bolt, 4.6-clamp nut, 4.7-packing ring, 5-locking, 6-upward wickets, 7-hinge page or leaf, 8-following little airtight blast door, 9-cat ladder, the airtight flashboard of 10-gutter protection, the 11-safe locating device, 12-sealed insulation offset plate, the 13-seal groove, the 14-seal gasket, the 15-rail, the special-shaped caulking gum piece of 16-, 17-holds the groove of wheel.
The specific embodiment
Shown in Fig. 1-3, the special-shaped anti-airtight partition door of protection that floods of this subway branch-cut bridge Duan Chaokuan comprises big door leaf 1, doorframe 2, locking 5 and hinge page or leaf 7, and the place, slit between big door leaf 1 and the rail 15 is provided with movable sill sealing mechanism 3.Rail 15 outsides are equipped with branch-cut bridge section rail sealing device, and branch-cut bridge section rail sealing device is made up of rail stuffing box 4 and special-shaped caulking gum piece.
Hinge page or leaf 7 adopts the Double pin hinge page or leaf, and the Double pin hinge page or leaf connects door leaf and doorframe, but is made up of the support bracket of door leaf hinge page or leaf, doorframe hinge page or leaf base, junction plate, size axle and translation gliding.Translation was laborsaving when the Double pin hinge page or leaf made door leaf compression adhesive tape, and door leaf is easy to connect with the hinge page or leaf.The Double pin hinge page or leaf has and goes slick the characteristics that the door leaf switch is light.
The airtight flashboard 10 of gutter protection is located at the both sides or the centre of rail, not only protects airtight but also prevent to be flowed into by the water of toxic gas pollution for guaranteeing the interval, designs for the gutter specially, and the airtight flashboard of gutter protection is made up of steel framework, plate, sealing joint strip, locking etc.Last handle, flashboard unblank to be raised simultaneously, press down handle, and flashboard cuts out and shuts.The airtight flashboard simple structure of gutter protection, easy to operate, airtight reliable.
Above-mentioned big door leaf 1 can have down little airtight blast door 8, and big door leaf 1 side also can be connected with cat ladder 9.
One side place establishes the safe locating device that big door leaf reaches the position away from big door leaf hinge page or leaf, and when the gate reached, the locating shaft of positioner in the axis hole of face, was not opened door leaf at ordinary times, and linked to each other with electric signal insertedly.Above-mentioned safety precautions, partition door are located on the operation main track of subway, in order to ensure traffic safety, take the signal of telecommunication, mechanical lock and holding device three cover safety measures.
(1), the signal of telecommunication: door reaches the position, the pass puts in place and is equipped with travel switch, and signal is included station BAS system in, is used for partition door present position Stateful Inspection.Be provided with audible-visual annunciator in the circuit simultaneously, when partition door breaks away from home, carry out sound and light alarm immediately, and link with the driving control signal;
(2), mechanical lock; Door leaf is when reaching, and jack holds out against bearing, and an anti-door leaf is sagging, pins door leaf again, prevents that door leaf is from closing.Jack with reach the interlock of travel switch;
(3), holding device: door leaf is in opening at ordinary times, with limited block and withstanding tight block big door leaf firm fixation is being opened on the final position.
Above retrocession has guaranteed that fundamentally door leaf can not cut out voluntarily, ensures traffic safety at ordinary times.
Referring to shown in Figure 23, the movable sill sealing mechanism comprises sealed beam 3.1 and special-shaped sealing rubber strip 3.2, and the movable sill airtight performance is good, and airtight measure is reliable; The signal of telecommunication, mechanical lock and the holding device three cover safety measures that put in place with the door leaf open and close work alone, and guarantee subway operation security at ordinary times.When implementing to cut off, the movable sill sealing mechanism is fallen, be used for the sealing of door leaf lower edge.Threshold is placed on by a side of hinge page or leaf and fixed at ordinary times, is connected with many rail sealing device of doorframe bottom wartime and carries out the rail closed processes, the sealing on realization and railway roadbed plane and the sealing of rail side channel.
Referring to shown in Figure 45, door leaf is the girder steel plated construction, divides size biparting, and is stressed even.The two-way ripple load action that withstands shocks of door leaf structure energy, door leaf divides small one and large one two-door fan, but be the girder steel plated construction of bidirectional stress, become skeleton by the shaped steel assembly welding, inside and outside steel plate is welded into integral body with it, is provided with the seal gasket of the sealing contact net of groove on big or small door leaf, turns down door leaf behind the utilization elder generation big door leaf in pass contact net is embedded in the groove, make the contact net jam-packed when closing the wicket locking, reach the purpose of sealing.Go up the wicket locking that connects door leaf and doorframe is arranged on the little door leaf, last wicket fan pass is crossed wicket hinge page or leaf and is connected with big doorframe, there is little door leaf to reach the safe locating device of position below it, but by wicket on the cat ladder switch with make wicket location, when last wicket reaches, the locating shaft of positioner can insert in the axis hole of door leaf, and door leaf is not opened at ordinary times, and links to each other with electric signal.
Shown in Fig. 6-11, between the rail railway roadbed plane of branch-cut bridge section and rail foot surface, be lined with sealed insulation offset plate 12, the rail both sides of branch-cut bridge section are by 4 sealings of rail stuffing box, fill up special-shaped caulking gum piece 16 in the gap between rail stuffing box 4 and the rail, the shape of special-shaped caulking gum piece and rail shape are similar.The groove 17 that holds wheel is left in inboard, rail top flange, so that the wheel of buying car in installments at ordinary times passes through.In wartime, the movable sill sealing mechanism is with after lower door frame is connected, and the sealing mechanism of movable sill embeds this groove, has just sealed groove naturally.Be equipped with pressing plate 4.4 between the side plate 4.3 of rail stuffing box 4 and special-shaped caulking gum piece 16 sides, the pressing plate outside connects hold-down bolt 4.5, hold-down bolt is by packing ring 4.7 and clamp nut 4.6 lockings, the both sides, upper edge of rail stuffing box 4 are connected with upper edge plate 4.2 at interval, and upper edge plate 4.2 is fixedlyed connected with the sealed beam 3.1 of movable sill sealing mechanism by trip bolt 4.1.
The course of work of the present utility model: when implementing to cut off, unclamp holding device, big door leaf leaves security bit, and the movable sill sealing mechanism is set, and closes big door leaf, and last locking puts in place, then, shuts wicket, close-lock.Remove and cut off, action is opposite.
Claims (7)
- The special-shaped anti-airtight partition door of protection that floods of [claim 1] a kind of subway branch-cut bridge Duan Chaokuan, comprise big door leaf (1), doorframe (2), locking (5) and hinge page or leaf (7), place, slit between big door leaf (1) and the rail (15) is provided with movable sill sealing mechanism (3), the movable sill sealing mechanism comprises sealed beam (3.1) and special-shaped sealing rubber strip (3.2), it is characterized in that:A, between the rail railway roadbed plane of branch-cut bridge section and rail foot surface, be lined with sealed insulation offset plate (12), the rail both sides of branch-cut bridge section are sealed by rail stuffing box (4), fill up special-shaped caulking gum piece (16) in the gap between rail stuffing box (4) and the rail, the groove (17) that holds wheel is left in inboard, rail top flange, be equipped with pressing plate (4.4) between the side plate (4.3) of rail stuffing box (4) and special-shaped caulking gum piece (16) side, the pressing plate outside connects hold-down bolt (4.5), hold-down bolt is by packing ring (4.7) and clamp nut (4.6) locking, the both sides, upper edge of rail stuffing box (4) are connected with upper edge plate (4.2) at interval, and (3.1 fixedly connected upper edge plate (4.2) by the sealed beam of trip bolt (4.1) and movable sill sealing mechanism;B, big door leaf top also are connected with the last wicket (6) that is used for by contact net, are connected with the seal groove (13) of embedding contact net at the last wicket (6) and the seam crossing of big door leaf (1), and contact net is filled with seal gasket (14) on every side.
- The special-shaped anti-airtight partition door of protection that floods of [claim 2] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned movable sill sealing mechanism is made up of sealed beam (3.1) and special-shaped sealing rubber strip (3.2).
- The special-shaped anti-airtight partition door of protection that floods of [claim 3] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned hinge page or leaf (7) is the Double pin hinge page or leaf.
- The special-shaped anti-airtight partition door of protection that floods of [claim 4] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned big door leaf (1) and last wicket (6) are the girder steel plated constructions of bidirectional stress.
- The special-shaped anti-airtight partition door of protection that floods of [claim 5] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned big door leaf (1) has down little airtight blast door (8).
- The special-shaped anti-airtight partition door of protection that floods of [claim 6] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned big door leaf (1) side also is connected with cat ladder (9).
- The special-shaped anti-airtight partition door of protection that floods of [claim 7] subway branch-cut bridge according to claim 1 Duan Chaokuan, it is characterized in that: above-mentioned doorframe or big door leaf are equipped with safe locating device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022318U CN201250671Y (en) | 2008-09-25 | 2008-09-25 | Subway connection section super-wide abnormal flood-proof protective and closed blocking door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022318U CN201250671Y (en) | 2008-09-25 | 2008-09-25 | Subway connection section super-wide abnormal flood-proof protective and closed blocking door |
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| Publication Number | Publication Date |
|---|---|
| CN201250671Y true CN201250671Y (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203022318U Expired - Lifetime CN201250671Y (en) | 2008-09-25 | 2008-09-25 | Subway connection section super-wide abnormal flood-proof protective and closed blocking door |
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| CN (1) | CN201250671Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666242B (en) * | 2009-09-24 | 2012-11-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Hydraulic vertically rotary airtight flood and preventive partition door in metro running |
| CN103615288A (en) * | 2013-12-17 | 2014-03-05 | 中国人民解放军理工大学 | Single-open subway section protective airtight partition door device |
| RU2619620C1 (en) * | 2016-03-24 | 2017-05-17 | Открытое Акционерное Общество "Метрогипротранс" (Оао "Метрогипротранс") | Protective-hermetic rotary shutter for span underground tunnel |
| CN106894706A (en) * | 2017-03-22 | 2017-06-27 | 浙江众幸防护设备有限公司 | A kind of doorframe and installation method for protective airtight partition door for subway district |
| CN107505093A (en) * | 2017-09-30 | 2017-12-22 | 广州地铁设计研究院有限公司 | For lift flood airtight blast door concrete structure experiment porch |
| CN109797607A (en) * | 2019-01-31 | 2019-05-24 | 广州地铁设计研究院股份有限公司 | A kind of novel track system across Flood gate |
| WO2021103809A1 (en) * | 2020-03-16 | 2021-06-03 | 广州地铁设计研究院股份有限公司 | Movable-threshold fire protection sealing door for high-speed rail tunnel escape route |
| CN119352874A (en) * | 2024-12-23 | 2025-01-24 | 广州地铁设计研究院股份有限公司 | A kind of intelligent control flood prevention and protection closed door for subway station entrance and exit |
-
2008
- 2008-09-25 CN CNU2008203022318U patent/CN201250671Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666242B (en) * | 2009-09-24 | 2012-11-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Hydraulic vertically rotary airtight flood and preventive partition door in metro running |
| CN103615288A (en) * | 2013-12-17 | 2014-03-05 | 中国人民解放军理工大学 | Single-open subway section protective airtight partition door device |
| CN103615288B (en) * | 2013-12-17 | 2016-05-11 | 中国人民解放军理工大学 | Single-open type subway interval protection airtight partition door device |
| RU2619620C1 (en) * | 2016-03-24 | 2017-05-17 | Открытое Акционерное Общество "Метрогипротранс" (Оао "Метрогипротранс") | Protective-hermetic rotary shutter for span underground tunnel |
| CN106894706A (en) * | 2017-03-22 | 2017-06-27 | 浙江众幸防护设备有限公司 | A kind of doorframe and installation method for protective airtight partition door for subway district |
| CN107505093A (en) * | 2017-09-30 | 2017-12-22 | 广州地铁设计研究院有限公司 | For lift flood airtight blast door concrete structure experiment porch |
| CN107505093B (en) * | 2017-09-30 | 2023-05-26 | 广州地铁设计研究院股份有限公司 | Be used for over-and-under type to prevent flooding protection airtight door concrete structure experiment platform |
| CN109797607A (en) * | 2019-01-31 | 2019-05-24 | 广州地铁设计研究院股份有限公司 | A kind of novel track system across Flood gate |
| WO2021103809A1 (en) * | 2020-03-16 | 2021-06-03 | 广州地铁设计研究院股份有限公司 | Movable-threshold fire protection sealing door for high-speed rail tunnel escape route |
| CN119352874A (en) * | 2024-12-23 | 2025-01-24 | 广州地铁设计研究院股份有限公司 | A kind of intelligent control flood prevention and protection closed door for subway station entrance and exit |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
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| CX01 | Expiry of patent term |