CN109537959A - A kind of unpowered fire-fighting broken rail apparatus system - Google Patents
A kind of unpowered fire-fighting broken rail apparatus system Download PDFInfo
- Publication number
- CN109537959A CN109537959A CN201910007063.2A CN201910007063A CN109537959A CN 109537959 A CN109537959 A CN 109537959A CN 201910007063 A CN201910007063 A CN 201910007063A CN 109537959 A CN109537959 A CN 109537959A
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- Prior art keywords
- rail
- rotation
- broken
- fighting
- fire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 13
- 239000007787 solid Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/30—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only
- E04H6/36—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only characterised by use of freely-movable dollies
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/58—Guiding devices
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of unpowered fire-fighting broken rail apparatus systems, broken rail device, the rolling screen door that can be moved up and down and tunnel vehicle rail set are installed including the library structure, the library inside configuration, tunnel vehicle rail set is mounted on the tunnel side of every layer of parking stall of the library inside configuration, broken rail device and tunnel vehicle rail set are connected, rolling screen door can push rotation rail open and move between broken rail device, after rolling screen door retracts.Broken rail device includes preceding retaining rail, rotation rail, rear retaining rail and rotary shaft, and rotation rail is between preceding retaining rail and rear retaining rail；The end of preceding retaining rail and tunnel vehicle rail set are connected, the other end of preceding retaining rail is bonded with rotation rail, rotation rail is mounted in the library structure by rotary shaft rotation rail by rotary shaft, rotation rail can be rotated around rotary shaft, it is bonded after rotating by a certain angle with rear retaining rail, the other end and tunnel vehicle rail set of rear retaining rail are connected.
Description
Technical field
The invention belongs to stereo garage technical fields, and in particular to a kind of unpowered fire-fighting broken rail apparatus system.
Background technique
With rapid development of economy, the rapid growth of China's car ownership, national parking stall notch is huge, and parking difficulty is more
Obviously.Currently, each big city an inch of land is an inch of gold, intelligent three-dimensional garage gradually rise, it is especially suitable for the plane of big storage capacity design
Mobile garage, following development potentiality are huge！
Planar movement garage is frequently encountered tunnel being separated into two or more fire prevention when dividing fire compartment
The case where subregion, fire resisting shutter door gear must be arranged on tunnel by dividing fire compartment, the traversing tunnel of this and planar movement
The rail junction of vehicle, there are two types of solutions at present, and one is first, attachment rail, fire control acceptance again do not fill track after passing through
On, this obvious irregularity of operation is difficult quickly to form separation when especially fire occurs.Another scheme uses power drive
Swing-around trajectory, structure is complicated, at high cost, and needs power drive, once power failure can not act, is difficult quick response.
Summary of the invention
Present invention aim to address the above problem, provide one kind can quick response close fire resistant doorsets, fire resistance rolling shutter door dress
Set the unpowered fire-fighting broken rail apparatus system for not influencing the normal operation of tunnel vehicle after withdrawing.
In order to solve the above technical problems, the technical scheme is that a kind of unpowered fire-fighting broken rail apparatus system, including
The library structure, the library inside configuration are equipped with broken rail device, the roller door arrangement that can be moved up and down and tunnel vehicle rail set, lane
Road vehicle rail set is mounted on the tunnel side of every layer of parking stall of the library inside configuration, and broken rail device is connected with tunnel vehicle rail set,
Roller door arrangement can move between broken rail device.
Preferably, the broken rail device includes preceding retaining rail, rotation rail, rear retaining rail and rotary shaft, before rotation rail is located at
Between retaining rail and rear retaining rail；The end of preceding retaining rail and tunnel vehicle rail set are connected, the other end of preceding retaining rail and rotation
Transition fitting, rotation rail are mounted in the library structure by rotary shaft rotation rail by rotary shaft, and rotation rail can be around rotation
Axis rotation, is bonded after rotating by a certain angle with rear retaining rail, roller door arrangement can push rotation rail open and in preceding retaining rail and rotation
It is moved between transition, the other end and tunnel vehicle rail set of rear retaining rail are connected.
Preferably, the preceding retaining rail is the quarter bend structure with inclined-plane, and the section of preceding retaining rail is quadrangle, inclined one
Determine angle state.
Preferably, the rotation rail both ends are bevel structure, and the section of rotation rail is parallelogram, the end of rotation rail
Portion offers rotation rail through-hole and rotation rail groove, and rotary shaft passes through rotation rail through-hole and is fixedly connected with solid structure, rotation rail
It can rotate on the rotary shaft.
Preferably, the rear retaining rail is the quarter bend structure with inclined-plane, and one end of rear retaining rail is equipped with rear retaining rail convex block,
Retaining rail convex block is rectangular parallelepiped structure afterwards, is equipped with reinforcement block below cuboid.
Preferably, the inclined-plane on the inclined-plane of the preceding retaining rail, the inclined-plane of rotation rail and rear retaining rail goes to spy in rotation rail
Determining angle can be bonded, when rotation rail is turned to the fitting of rear retaining rail, when rotation rail turns to parallel with rear retaining rail, and preceding fixation
The top of rail, rotation rail and rear retaining rail is in the same plane.
Preferably, the library structure is hollow rectangle structure, and tunnel vehicle rail set is divided into the parallel peace of multistage
On the inside of the library structure tunnel.
Preferably, the library structure be equipped with roller door arrangement sliding slot, roller door arrangement along roller door arrangement sliding slot into
Row movement.
Preferably, the roller door arrangement is with fire-proof function, and roller door arrangement is transported upwards from the bottom of the library structure
It is dynamic.
The beneficial effects of the present invention are:
1, it is anti-to can solve large-scale planar movement class garage for a kind of unpowered fire-fighting broken rail apparatus system provided by the present invention
The problem of fiery subregion across rail separation, garage is made to meet fire control acceptance condition, it is highly-safe.
2, the present invention uses unpowered systems, and structure is simple, practical, and at low cost, effect is good, and response is rapid.
3, the present invention uses rear retaining rail bump design, and tunnel vehicle is made to run smoothly, safety.
4, the present invention using swing-around trajectory limit rotation angle be no more than 90 °, be not in dead angle not return the case where, surely
It is qualitative good.
Detailed description of the invention
Fig. 1 is that cross section structure when a kind of unpowered fire-fighting broken rail apparatus system fire resisting shutter door gear of the invention is withdrawn shows
It is intended to；
Fig. 2 is section signal when a kind of unpowered fire-fighting broken rail apparatus system fire resisting shutter door gear of the invention is opened
Figure；
Fig. 3 is side signal when a kind of unpowered fire-fighting broken rail apparatus system fire resisting shutter door gear of the invention is opened
Figure；
Fig. 4 is structural representation when a kind of unpowered fire-fighting broken rail apparatus system fire resisting shutter door gear of the invention is opened
Figure；
Fig. 5 is a kind of structural schematic diagram of the broken rail device closure of unpowered fire-fighting broken rail apparatus system of the present invention；
Fig. 6 is a kind of schematic view of the front view of the broken rail device closure of unpowered fire-fighting broken rail apparatus system of the present invention
Fig. 7 is a kind of sectional view of the broken rail device closure of unpowered fire-fighting broken rail apparatus system of the present invention；
Fig. 8 is a kind of structural schematic diagram that the broken rail device of unpowered fire-fighting broken rail apparatus system is opened of the present invention；
Fig. 9 is a kind of main view that the broken rail device of unpowered fire-fighting broken rail apparatus system is opened of the present invention；
Figure 10 is a kind of sectional view that the broken rail device of unpowered fire-fighting broken rail apparatus system is opened of the present invention；
Figure 11 is the signal that a kind of broken rail device of unpowered fire-fighting broken rail apparatus system of the present invention is opened to extreme position
Figure.
Description of symbols: 1, broken rail device；2, roller door arrangement；3, the library structure；12, tunnel vehicle rail set；21,
Rolling screen door；22, roller door arrangement chassis body；23, roller door arrangement sliding slot；31, preceding retaining rail；32, rotation rail；33, rear solid
Orbit determination；34, rotary shaft；35, rear retaining rail convex block.
Specific embodiment
The present invention is described further in the following with reference to the drawings and specific embodiments:
As shown in Fig. 1 to Figure 11, a kind of unpowered fire-fighting broken rail apparatus system provided by the invention, including the library structure 3,
Broken rail device 1, the roller door arrangement that can be moved up and down 2 and tunnel vehicle rail set 12, tunnel vehicle are installed inside the library structure 3
Rail set 12 is mounted on the tunnel side of the 3 every layer of parking stall in inside of the library structure, broken rail device 1 and 12 phase of tunnel vehicle rail set
Even, roller door arrangement 2 can move between broken rail device 1.
The library structure 3 is hollow rectangle steel and concrete structure, and tunnel vehicle rail set 12 divides to be mounted on for multistage is parallel
In the library structure 3.The library structure 3 is equipped with roller door arrangement sliding slot 23, and roller door arrangement 2 is carried out along roller door arrangement sliding slot 23
Movement.Roller door arrangement 2 is with fire-proof function, and roller door arrangement 2 is moved upwards from the bottom of the library structure 3.
In the present embodiment, tunnel vehicle rail set 12 is multiple and parallel to each other inside for being distributed in the library structure 3.
In actual use, the quantity of tunnel vehicle rail set 12 can according to actual needs depending on, to complete correlation
Function and demand.
Roller door arrangement 2 include rolling screen door 21 and roller door arrangement chassis body 23, roller door arrangement chassis body 23 with
Rolling screen door 21 is connected, and roller door arrangement chassis body 22 drives rolling screen door 21 to move up and down along roller door arrangement sliding slot, roller shutter
Door 21 has fire-proof function.Roller door arrangement chassis body 23 is located at the bottom of the library structure 3, and rolling screen door 21 can be in the library knot
It moves up and down inside structure 3.
Broken rail device 1 includes preceding retaining rail 31, rotation rail 32, rear retaining rail 33 and rotary shaft 34, before rotation rail 32 is located at
Between retaining rail 31 and rear retaining rail 32；The end of preceding retaining rail 31 and tunnel vehicle rail set 12 are connected, preceding retaining rail 31
The other end is bonded with rotation rail 32, and rotation rail 32 is mounted in the library structure 3 by rotary shaft 34, and rotation rail 32 can be around rotation
Shaft 34 rotates, and is bonded after rotating by a certain angle with rear retaining rail 33, roller door arrangement 2 can push rotation rail 32 open and preceding solid
It is moved between orbit determination 31 and rotation rail 32, the other end and tunnel vehicle rail set 12 of rear retaining rail 33 are connected.
Preceding retaining rail 31 is the quarter bend structure with inclined-plane, and the section of preceding retaining rail 31 is quadrangle, inclined certain angle
State.32 both ends of rotation rail are bevel structure, and the section of rotation rail 32 is parallelogram, and the end of rotation rail 32 offers
Rotation rail through-hole and rotation rail groove, rotary shaft 34 pass through rotation rail through-hole and are fixedly connected with the library structure 3, and rotation rail 32 can be
It is rotated in rotary shaft 34.
Retaining rail 33 is the quarter bend structure with inclined-plane afterwards, and one end of rear retaining rail 33 is equipped with rear retaining rail convex block 35, rear solid
Orbit determination convex block 35 is rectangular parallelepiped structure, is equipped with reinforcement block below cuboid.
The inclined-plane on the inclined-plane of preceding retaining rail 31, the inclined-plane of rotation rail 32 and rear retaining rail 33 goes to specific angle in rotation rail 32
Degree can be bonded, when rotation rail 32 is turned to the fitting of rear retaining rail 33, the top of preceding retaining rail 31, rotation rail 32 and rear retaining rail 33
Portion is in the same plane.
In the present embodiment, preceding retaining rail 31, rotation rail 32 and rear retaining rail 33 be hollow rectangular steel pipe production and
At with stronger rigidity.Rotation rail 32 rotate after and preceding retaining rail 31 overlap joint after, rotation rail 32 rotate after with preceding retaining rail 31
Binding site is smooth, be capable of providing tunnel vehicle operation by when support force.Rotation rail 32 overlaps after rotating with rear retaining rail 33
Afterwards, binding site is smooth.
The end of retaining rail convex block 35 is equipped with inclined bevel structure, rear retaining rail convex block 35 and the rotation on rotation rail 32 afterwards
Transition groove agrees with, and the length of rear retaining rail convex block 35 is more than the axis center position of rotation rail 32.Tunnel vehicle is run to touching
Rotation rail 2 and when being less than the projected position of rotary shaft 34, while retaining rail convex block 35 and rotation rail groove after contacting, it is rear fixed
Rail convex block 35 plays main stress load-bearing, can effectively prevent that rail pressure tilting will be rotated.
When rotary shaft 34 is installed, rotary shaft 34 is fixed in the library structure 3.When tunnel vehicle is run to rotation rail 32, rotation
Shaft 34 also provides bearing capacity.The installation site of rotary shaft 34, it is ensured that when rotation rail rotates to extreme position, it is no more than 90 °,
Prevent rotation rail 32 open after can not under the effect of gravity automatic closed reduction the problem of.
In order to understand the working principle of the invention, the course of work of the invention is described one time:
Rolling screen door 21 is all coiled in roller door arrangement chassis body 22 when packing up, when there are the danger such as fire
When situation, unfolding mode is different from conventional fire resisting shutter, and rolling screen door 21 is opened along roller door arrangement sliding slot 23 from bottom to top, roller shutter
Door 21 opens broken rail device 1 in uphill process, that is, is exactly that rotation rail 32 is rotated up.Broken rail device 1 is opened it completely
Afterwards, rolling screen door 21 is slided along roller door arrangement sliding slot 23.When withdrawing rolling screen door 21, rotation rail 32 is and then fallen together again, is taken
It connects in preceding retaining rail 31.
The present embodiment illustrates for for underground planar movement garage, but is not limited to underground, is also possible to ground or half
Ground type, while it being also not necessarily limited to planar movement garage, it can be applied to the other similar project for needing to cut off track.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill disclosed the technical disclosures can make according to the present invention and various not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (9)
1. a kind of unpowered fire-fighting broken rail apparatus system, it is characterised in that: including peace inside the library structure (3), the library structure (3)
Equipped with broken rail device (1), the roller door arrangement (2) and tunnel vehicle rail set (12) that can move up and down, tunnel vehicle rail set
(12) the tunnel side of the internal every layer of parking stall of the library structure (3), broken rail device (1) and tunnel vehicle rail set (12) phase are mounted on
Even, roller door arrangement (2) can move between broken rail device (1).
2. a kind of unpowered fire-fighting broken rail apparatus system according to claim 1, it is characterised in that: the broken rail device
It (1) include preceding retaining rail (31), rotation rail (32), rear retaining rail (33) and rotary shaft (34), rotation rail (32) is located at preceding fixation
Between rail (31) and rear retaining rail (32)；The end of preceding retaining rail (31) and tunnel vehicle rail set (12) are connected, preceding retaining rail
(31) the other end is bonded with rotation rail (32), and rotation rail (32) is mounted on the library structure (3) by rotary shaft (34), is rotated
Rail (32) can be rotated around rotary shaft (34), be bonded after rotating by a certain angle with rear retaining rail (33), roller door arrangement (2) energy
It enough pushes rotation rail (32) open and is moved between preceding retaining rail (31) and rotation rail (32), the other end of rear retaining rail (33) and lane
Road vehicle rail set (12) is connected.
3. a kind of unpowered fire-fighting broken rail apparatus system according to claim 2, it is characterised in that: the preceding retaining rail
It (31) is the quarter bend structure with inclined-plane, the section of preceding retaining rail (31) is quadrangle, inclined certain angle state.
4. a kind of unpowered fire-fighting broken rail apparatus system according to claim 2, it is characterised in that: the rotation rail (32)
Both ends are bevel structure, and the section of rotation rail (32) is parallelogram, and it is logical that the end of rotation rail (32) offers rotation rail
Hole and rotation rail groove, rotary shaft (34) pass through rotation rail through-hole and are fixedly connected with the library structure (3), and rotation rail (32) can revolve
Shaft rotates on (34).
5. a kind of unpowered fire-fighting broken rail apparatus system according to claim 4, it is characterised in that: retaining rail after described
It (33) is the quarter bend structure with inclined-plane, one end of rear retaining rail (33) is equipped with rear retaining rail convex block (35), rear retaining rail convex block
(35) it is rectangular parallelepiped structure, is equipped with reinforcement block below cuboid.
6. a kind of unpowered fire-fighting broken rail apparatus system according to claim 5, it is characterised in that: the preceding retaining rail
(31) the inclined-plane on inclined-plane, rotation rail (32) and the inclined-plane of rear retaining rail (33) goes to special angle in rotation rail (32) and can paste
It closes, when rotation rail (32) is turned to rear retaining rail (33) fitting, preceding retaining rail (31), rotation rail (32) and rear retaining rail (33)
Top surface in the same plane.
7. a kind of unpowered fire-fighting broken rail apparatus system according to claim 1, it is characterised in that: the library structure
(3) be hollow rectangle steel and concrete structure, tunnel vehicle rail set (12) be divided into multistage it is parallel be mounted on the library structure (3) lane
On the inside of road.
8. a kind of unpowered fire-fighting broken rail apparatus system according to claim 7, it is characterised in that: the library structure
(3) roller door arrangement sliding slot (23) are equipped with, roller door arrangement (2) is moved along roller door arrangement sliding slot (23).
9. a kind of unpowered fire-fighting broken rail apparatus system according to claim 8, it is characterised in that: the roller door arrangement
(2) for fire-proof function, roller door arrangement (2) is moved upwards from the bottom of the library structure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007063.2A CN109537959A (en) | 2019-01-04 | 2019-01-04 | A kind of unpowered fire-fighting broken rail apparatus system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007063.2A CN109537959A (en) | 2019-01-04 | 2019-01-04 | A kind of unpowered fire-fighting broken rail apparatus system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109537959A true CN109537959A (en) | 2019-03-29 |
Family
ID=65834149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007063.2A Pending CN109537959A (en) | 2019-01-04 | 2019-01-04 | A kind of unpowered fire-fighting broken rail apparatus system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109537959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996846A (en) * | 2020-07-10 | 2020-11-27 | 中车青岛四方机车车辆股份有限公司 | Track quick assembly disassembly device, track and system comprising track |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004677A1 (en) * | 1978-04-11 | 1979-10-17 | GTE Gesellschaft für Technische Entwicklung AG | Device for the sealing and shutting of fire-proof closures |
| CN1769728A (en) * | 2004-11-01 | 2006-05-10 | 川湖科技股份有限公司 | Three-segment type slide rail positioning device |
| CN201907529U (en) * | 2010-11-17 | 2011-07-27 | 上海美太医疗设备有限公司 | Rail turnover device |
| CN104627794A (en) * | 2015-01-29 | 2015-05-20 | 刘广天 | Pressing block type car-forerake-prevention device |
| CN108331408A (en) * | 2018-04-09 | 2018-07-27 | 北京航天汇信科技有限公司 | Tunnel track release mechanism |
| CN209457470U (en) * | 2019-01-04 | 2019-10-01 | 中建地下空间有限公司 | A kind of unpowered fire-fighting broken rail apparatus system |
-
2019
- 2019-01-04 CN CN201910007063.2A patent/CN109537959A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004677A1 (en) * | 1978-04-11 | 1979-10-17 | GTE Gesellschaft für Technische Entwicklung AG | Device for the sealing and shutting of fire-proof closures |
| CN1769728A (en) * | 2004-11-01 | 2006-05-10 | 川湖科技股份有限公司 | Three-segment type slide rail positioning device |
| CN201907529U (en) * | 2010-11-17 | 2011-07-27 | 上海美太医疗设备有限公司 | Rail turnover device |
| CN104627794A (en) * | 2015-01-29 | 2015-05-20 | 刘广天 | Pressing block type car-forerake-prevention device |
| CN108331408A (en) * | 2018-04-09 | 2018-07-27 | 北京航天汇信科技有限公司 | Tunnel track release mechanism |
| CN209457470U (en) * | 2019-01-04 | 2019-10-01 | 中建地下空间有限公司 | A kind of unpowered fire-fighting broken rail apparatus system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996846A (en) * | 2020-07-10 | 2020-11-27 | 中车青岛四方机车车辆股份有限公司 | Track quick assembly disassembly device, track and system comprising track |
| CN111996846B (en) * | 2020-07-10 | 2022-03-01 | 中车青岛四方机车车辆股份有限公司 | Track quick assembly disassembly device, track and system comprising track |
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