CN110497924B - Empty rail traffic system for tunnel - Google Patents
Empty rail traffic system for tunnel Download PDFInfo
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- CN110497924B CN110497924B CN201910772624.8A CN201910772624A CN110497924B CN 110497924 B CN110497924 B CN 110497924B CN 201910772624 A CN201910772624 A CN 201910772624A CN 110497924 B CN110497924 B CN 110497924B
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- train
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 36
- 229910052742 iron Inorganic materials 0.000 abstract description 18
- 238000013461 design Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B3/00—Elevated railway systems with suspended vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/10—Tunnel systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
- E01B25/24—Supporting rails; Auxiliary balancing rails; Supports or connections for rails
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lining And Supports For Tunnels (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention belongs to the technical field of rail transit, in particular to an empty rail transit system for a tunnel, which aims to solve the problems of high design difficulty and difficult construction process of a suspended empty rail tunnel in the prior art; the track board mounting frame is used for mounting the track board; the empty rail traffic system for the tunnel solves the problem of installation of empty iron rails in the tunnel through a simple structure, improves engineering efficiency, reasonably plans tunnel space, reduces traffic jam risk while guaranteeing safety, and reduces tunnel construction cost.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to an air rail transit system for a tunnel.
Background
With the continuous acceleration of the urban process, the urban scale is rapidly increased, the urban life rhythm is accelerated, the urban population quantity is rapidly increased, the travel amount of people is increased, and the travel amount is not limited to a single urban area, but is diffused to the city and the rural area and between the city and the city. The existing traffic can not meet the travel of people, and various cities in the world have different degrees of automobile congestion. Therefore, various ways are being sought to solve the traffic jam problem caused by the increasing amount of travel.
The suspended monorail train transportation system is simply called an empty railway, the track of the suspended monorail train transportation system is arranged above a vehicle, and the track above the vehicle stops bears the gravity and the train dynamic load of the train; the train hangs below the track, and the bogie of train sets up in the rectangular box roof beam of lower opening, has the track board in the track roof beam, provides the bearing capacity for the bogie of train. Air railway vehicles belong to rail transit vehicles, which need to travel on relatively flat rails, which are hard rails, typically steel rails, such as railway rails and the like. The hard rail provides relatively low friction to the wheels of the vehicle so that rail traffic can have high vehicle speeds and low cost traction. The air railway moves ground traffic into the air, so that the air railway has the advantages of low construction cost, small influence on ground building facilities in construction and operation processes, high running speed of a train after the train is started, flexible track trend laying, no pollution to the environment in the operation process and the like, and is rapidly developed in a plurality of cities and between cities. The research and development design of the suspension rail transit system is realized in Germany and Japan earlier, and in recent years, corresponding research is also carried out in China.
When the empty iron needs to cross a mountain or other barriers, a tunnel needs to be excavated and traversed, a special structure of the empty iron cannot be built in a common tunnel, and a pile foundation cannot be constructed below the ground like a track structure outside the tunnel: first: the ground (inverted arch) in the tunnel is hard in geology, and the pile foundation construction capable of achieving the design embeddability is extremely difficult. Second,: the upright post cannot be directly arranged on the secondary lining (main structure) of the tunnel, and the secondary lining is easier to damage due to local stress. Third,: the rail upright post is huge, which is not beneficial to the work of later dismantling, transportation, maintenance, etc. Fourth,: the upright posts occupy valuable space in the tunnel, and the tunnel enlarges the hole diameter so as to correspondingly increase the construction cost. Therefore, the empty iron tunnel becomes a bottleneck for restricting whether the empty iron circuit can be built in the mountain area, and how to design and build a special empty iron tunnel, a connection structure between the empty iron track and the tunnel, i.e. how to design the suspension empty iron tunnel is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, in order to solve the problem that how to pass through a mountain tunnel with hollow iron in the prior art, the design difficulty of a suspension type hollow iron tunnel is high and the construction process is difficult, the invention provides a suspension type hollow rail, which comprises: the track slab comprises a track slab mounting frame, a track slab, connecting beams, embedded parts and a train, wherein the track slab mounting frame is fixedly arranged on a tunnel vault through the embedded parts, and any two adjacent track slab mounting frames are connected through the connecting beams; the track board mounting frame is used for mounting the track board; the train can travel along the extending direction of the track plate.
In some preferred embodiments, the track plate is a prefabricated member, which includes: bearing plate, deflector, floor, wherein:
The deflector is used as a train guide plate and is vertically arranged on the bearing plate, the bearing plate is divided into a bearing wheel pedal part and a supporting connection part, and the rib plate is used as a longitudinal reinforcing plate and fixedly arranged on the lower surface of the bearing wheel pedal part, wherein:
the bearing wheel pedal part is used as a track structure plate for providing running of a train bearing wheel;
the support connection acts as a support connection end for transmitting load and force to the support.
In some preferred embodiments, the empty rail transit system for a tunnel further comprises a support member, wherein the track slab mounting frame is connected with the track slab through a plurality of support members, and the support member is used as a load and force transmission member to transmit the load on the track slab to the tunnel vault.
In some preferred technical schemes, the two track plates are symmetrically arranged along the central axis of the train to form a track plate group, the bearing wheel treads of the two track plates in the track plate group are close to or deviate from each other, and the two track plate groups are symmetrically arranged on one track plate mounting frame.
In some preferred embodiments, the air rail transit system for tunnels further comprises a pipeline piping lane disposed on the connection beam for providing a bridge for power cables, illumination cables, signal cables, optical cables, communication cables.
In some preferred technical solutions, the empty rail transportation system for tunnels further comprises an overhaul platform, wherein the overhaul platform is arranged between the two track plate groups through two adjacent connecting beams, and the overhaul platform can also serve as a fire evacuation platform.
In some preferred technical solutions, one end of the track slab mounting frame arranged at the tunnel portal vault is connected with the track slab, the other end is connected with the upright post through a track beam, and the train can walk along the extending direction of the track beam.
In some preferred technical solutions, the connecting beam can be provided with any one or any combination of a camera, an air duct, a signal lamp, a guide plate and a third party contact rail.
In some preferred technical schemes, two connecting beam groups are arranged on any two adjacent track plate mounting frames, and each connecting beam group comprises two connecting beams symmetrically arranged along two sides of the track plate group.
In some preferred technical schemes, the track slab mounting frame is connected with the steel bars in the second lining of the tunnel through the embedded parts. The invention has the beneficial effects that:
the empty rail traffic system for the tunnel solves the problem of installation of empty rail in the tunnel and the problem that the empty rail cannot be erected in the tunnel to support an empty railway train through the structures of the rail plate installation frame, the rail plate, the connecting beam, the embedded part and the supporting part.
The empty rail traffic system for the tunnel fully utilizes the space between the track slab mounting frames to arrange an overhaul platform which also serves as a roof evacuation platform and provides a platform and a channel for opening up fire evacuation in the tunnel; the side evacuation platform is arranged by reasonably utilizing the space of the side wall of the tunnel, the emergency evacuation efficiency of the tunnel is improved through the roof evacuation platform and the side evacuation platform, the safety of a traffic system in the tunnel is ensured, and accidents during evacuation are avoided.
The empty rail traffic system for the tunnel reasonably plans the inner space of the tunnel by calculating the distance between the vault of the tunnel and the ground at the bottom, and the empty rail traffic system is arranged at the top of the tunnel, so that the tunnel ground sidewalk, the motor vehicle lane and the like are not interfered, other vehicles and pedestrian traffic conditions are provided, and the problem of traffic jam in the peak period is effectively solved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of an air rail transit system for a tunnel in accordance with the present invention coupled to an embodiment of an air rail transit system outside the tunnel;
FIG. 2 is a schematic diagram showing a connection structure of an embodiment of a track plate mounting frame according to the present invention;
FIG. 3 is a schematic diagram showing a second connection structure of an embodiment of the track plate mounting frame of the present invention;
FIG. 4 is a schematic diagram of a connection structure of an embodiment of a track plate mount according to the present invention;
FIG. 5 is a schematic overall construction of an embodiment of an air track traffic system for a tunnel of the present invention;
FIG. 6 is a schematic view of a track plate set according to the present invention;
FIG. 7 is a schematic diagram of a track plate set according to the present invention;
FIG. 8 is a schematic diagram of a track plate structure according to the present invention;
FIG. 9 is a schematic diagram of a track plate structure according to the present invention;
FIG. 10 is a schematic diagram III of a track plate structure according to the present invention;
fig. 11 is a schematic diagram of a track plate structure according to the present invention.
List of reference numerals:
1-track plate mounting rack; 2-track plates, 21-bearing plates, 21 a-support connection parts 21 b-bearing wheel treading parts, 22-guide plates, 23-rib plates and 24-reinforcing ribs; 3-connecting beams; 4-embedded parts, 41-vault embedded parts 42-side wall embedded parts; 5-train, 51-bogie, 52-boom; 6-a support; 7-piping lane; 8-an overhaul platform; 9-limiting; 10-secondary lining (secondary main body structure lining); 11-mountain; 12-a drainage pipeline; 13-a side evacuation platform; 14-primary support (primary excavation supporting structure in the hole); 15-stand columns; 16-track beams.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. In some embodiments of the invention, the track slab mounting frame, the track slab, the connecting beam, the embedded part and the train are fixedly arranged on the tunnel vault through the embedded part, and any two adjacent track slab mounting frames are connected through the connecting beam; the track board mounting frame is used for mounting the track board; the train can travel along the extending direction of the track plate.
In some embodiments of the invention, the track slab is a prefabricated component comprising: bearing plate, deflector, floor, wherein:
The deflector is used as a train guide plate and is vertically arranged on the bearing plate, the bearing plate is divided into a bearing wheel pedal part and a supporting connection part, and the rib plate is used as a longitudinal reinforcing plate and fixedly arranged on the lower surface of the bearing wheel pedal part, wherein:
the bearing wheel pedal part is used as a track structure plate for providing running of a train bearing wheel;
the support connection acts as a support connection end for transmitting load and force to the support.
In some embodiments of the present invention, the empty rail transit system for tunnels further comprises a support, the track slab mounting frame and the track slab being connected by a plurality of the support, the support acting as a load and force transmitting member to transmit the load on the track slab to the tunnel vault.
In some embodiments of the present invention, the two track plates are symmetrically arranged along the central axis of the train to form a track plate group, the bearing wheel treads of the two track plates in the track plate group are close to or deviate from each other, and the two track plate groups are symmetrically arranged on the one track plate mounting frame.
In some embodiments of the invention, the air rail transit system for tunnels further comprises a pipeline lane disposed on the connection beam for providing a bridge for power cables, illumination cables, signal cables, fiber optic cables, communication cables.
In some embodiments of the present invention, the air rail traffic system for tunnels further includes an inspection platform, the inspection platform is disposed between the two track slab sets through the two adjacent connection beams, and the inspection platform may also serve as a fire evacuation platform.
In some embodiments of the present invention, one end of the track slab mounting frame disposed at the tunnel portal arch is connected to the track slab, and the other end is connected to the column through a track beam, and the train can travel along the extending direction of the track beam.
In some embodiments of the invention, the connection beam can be provided with any one or any combination of a camera, an air duct, a signal lamp, a guide plate and a third party contact rail.
In some embodiments of the present invention, two connection beam groups are disposed on any two adjacent track slab mounting frames, and each of the two connection beam groups includes two connection beams symmetrically disposed along two sides of the track slab group.
In some embodiments of the invention, the track slab mounting frame is connected with the steel bars in the second lining of the tunnel through the embedded part.
The empty iron tunnel is the same as the ordinary railway tunnel, and has the measures and facilities of earth and stone excavation, anchor rod anchoring, preliminary support, isolation and water prevention, main body secondary lining, in-tunnel catchment drainage ditch, in-tunnel illumination, in-tunnel ventilation and the like. It will be appreciated by those skilled in the art that the foregoing is a matter of ordinary skill in the art and that specific operations may be performed without departing from the scope of the invention as described herein.
The empty iron track in the empty iron tunnel can not be like outside the tunnel, the pile foundation is constructed below the ground, the ground (inverted arch) in the tunnel is hard in geology, and the pile foundation construction capable of achieving the design embedding degree is extremely difficult. The upright post cannot be directly arranged on the secondary lining (main structure) of the tunnel, and the secondary lining is easier to damage due to local stress. Thirdly, the track column is huge in volume, which is not beneficial to later dismantling, transportation, maintenance and other works; therefore, the air rail structure form which is simple and convenient to install, convenient to maintain and free from causing great influence on the tunnel structure is needed; in order to achieve the above effect, the empty iron track in the tunnel is only required to be provided with a track plate which can provide bearing capacity for the empty iron. The track plate is assembled and fixed using the track plate mounting frame. The embedded part of the track slab mounting frame is positioned in the tunnel vault and is connected with the reinforcing steel bars in the two linings, the track slab mounting frame and the arch item form a whole, and the load of the track slab and the empty railway train is borne and dispersed by utilizing the arch structure of the tunnel vault. Tunnel domes are well known structures to those skilled in the art and will not be described in detail.
In order to more clearly illustrate the air rail transit system of the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As a preferred embodiment of the present invention, an empty rail transportation system for tunnels of the present invention is constructed after a tunnel inside a mountain 11 is constructed through a primary support 14, which is a primary support, and a secondary liner 10, as shown in fig. 1 to 5, which means that after a tunnel is excavated to form a hole, reinforced concrete primary support is first performed on the wall of the hole to prevent the collapse of the wall of the hole. The secondary lining is secondary primary building, and refers to a tunnel main body structure built on the basis of primary support, wherein the main body structure mainly comprises a reinforced concrete structure and a waterproof layer. According to the invention, after the secondary lining of the tunnel is used for binding the steel bars, concrete is pumped to the wall body, and after the concrete is solidified and has stronger capability of bearing embedded parts, the track board mounting frame is mounted, so that better mounting conditions are provided for the track board mounting frame in the mounting mode, and the safety and reliability of the air rail traffic system are ensured.
An empty rail transit system for tunnels of the present invention is constructed on the basis of a secondary liner 10, which mainly comprises: the track slab comprises a track slab mounting frame 1, a track slab 2, a connecting beam 3, embedded parts 4, a train 5 and supporting parts 6, wherein the track slab mounting frame 1 is fixedly arranged on a main structure secondary lining 10 of a tunnel vault through the embedded parts 4, and any two adjacent track slab mounting frames 1 are connected through the connecting beam 3; the track board mounting frame 1 is used for mounting a track board 2; the train 5 can travel along the extending direction of the track slab 2, and it should be noted that the number of the track slab mounting frames 1, the track slab 2 and the connecting beams 3 depends on the actual length and the internal structure of the tunnel, and the track slab 2 has low rigidity and poor stability when the length is too long; too short a length of the track plate 2 correspondingly increases the number of track plate mounts 1 and connection beams 3, wasting material and working hours. The connection structures among the track plate mounting frames 1, the track plates 2, the connecting beams 3 and the supporting pieces 6 are shown in the figure, 4 track plates 2 are arranged on one track plate mounting frame 1, the track plate mounting frames 1 are connected with the track plates 2 through the supporting pieces 6, any adjacent track plate mounting frames 1 are connected through the connecting beams 3, and the connecting beams 3 can improve the stability and the overall structural rigidity of the track plate mounting frame group; in this embodiment, the number of the connecting beams 3 is preferably 4, the number of the 4 track plates 2 and the number of the connecting beams 3 are all divided into two groups, so that a track plate group and a connecting beam group are respectively formed, the two track plates 2 in each track plate group are symmetrically arranged along the central axis of the train, a gap is reserved between the two track plates 2 symmetrically arranged in the track plate group, and the gap is a limiting space required by a boom between an empty railway train and a bogie thereof. The two groups of track plate groups are symmetrically arranged along the central axis of the track plate mounting frame 1, the train 5 walks along the extending direction of the track plate groups, and the two groups of track plate groups on the track plate mounting frame 1 can enable the train to pass through the tunnel in two directions. Further, two connecting beams in the connecting beam group are arranged on two sides of the track plate group, two ends of the connecting beam 3 are respectively connected with the track plate mounting frame 1, and the structure between the track plate mounting frames is reinforced through the connecting beam 3, so that the structural rigidity is improved, and the stability is enhanced.
Specifically, the track slab mounting frame 1 is fixedly arranged on the second lining 10 of the tunnel main body structure through the embedded part 4, the embedded part of the track slab mounting frame 1 is positioned inside the tunnel vault and is connected with steel bars in the second lining 10, as shown in fig. 2, the track slab mounting frame 1 is provided with an arch structure connected with steel bars in the second lining 10 of the vault, the arch structure is provided with a plurality of vault embedded parts 41 and an extension structure connected with steel bars in the second lining of the tunnel side wall, the extension structure is provided with a plurality of side wall embedded parts 42, the track slab mounting frame 1 is fixed on the tunnel vault through the side wall embedded parts 42 and the vault embedded parts 41, the track slab mounting frame 1 and the vault form a whole, and the arch structure of the tunnel vault is utilized to bear and disperse the loads of the track slab and the air train. The embedded parts 4 are multiple and are uniformly arranged on the track plate mounting frame 1, the embedded parts 4 can be embedded bolts or other structures, and a person skilled in the art can flexibly select the types and structures of the embedded parts 4 according to practical application, so long as the track plate mounting frame 1 can be fixed on a tunnel vault. The arch structure of the track slab mounting frame 1 has larger spanning capacity, can save a great amount of steel and cement compared with a steel bridge and a reinforced concrete beam bridge, and has an arch design which can bear larger pressure than a cross beam and is better and more firmly connected with a tunnel vault.
Further, a limit 9 is further arranged on the track board mounting frame, the limit is transversely arranged between the track board groups and is fixed on the track board mounting frame 1, the limit 9 is used for limiting the height dimension of a train to be detected to be required for passing through the bogie, on one hand, the limit 9 plays a role in transverse supporting and reinforcing, on the other hand, a camera (not shown), a laser range finder (not shown), a radar (not shown) detection device and the like can be further arranged on the limit to accurately measure the running of the train, and the running safety of the train is guaranteed.
The track plate 2 is fixedly supported with the track plate mounting frame 1 by a plurality of supporting pieces 6. When a train passes through the track slab, the track slab passes through the track slab mounting frame 1 of the supporting piece 6, the supporting piece 6 serves as a load and force transmission member, and the load on the track slab 2 is dispersed and uniformly transmitted to the tunnel vault through the track slab mounting frame 1 so as to bear the load of a track system and the train and ensure that the train runs stably and safely. The number, structure and connection form of the supporting members 6 can be flexibly designed by those skilled in the art according to the shape of the section of the track plate and the load of the train through scientific calculation and optimization and practical application, so as to realize connection, support and conduction between the track plate 2 and the track plate mounting frame 1, and the adjustment of the number, structure and connection form does not deviate from the principle and scope of the present invention, and should be limited in the protection scope of the present invention.
Specifically, the track slab 2 is a prefabricated member, the structure of which is shown in fig. 6 to 11, and the track slab 2 includes: the bearing plate 21, the guide plate 22 and the rib plate 23, wherein the guide plate 22 is vertically arranged on the bearing plate 21, the bearing plate 21 is divided into a bearing wheel pedal part 21b and a supporting connection part 21a, the bearing wheel pedal part 21b is used as a track structure plate for providing running of the bearing wheel of the train, the supporting connection part 21a is used as a supporting connection end part for transmitting load and force to the supporting piece, it is understood that the bearing wheel pedal part 21b is used for bearing the train, the bearing area is larger than the supporting connection part 21a, the rib plate 23 is used as a longitudinal reinforcing plate and fixedly arranged on the lower surface of the bearing wheel pedal part 21b, and the shape of the rib plate can be a straight structure as shown in fig. 8; the design of the straight rib plate improves the bending rigidity of the track plate 2, or the design of the inverted T-shaped rib plate improves the bending rigidity and the rigidity of the track plate 2, wherein the T-shaped structure is shown in figure 9; or a V-shaped structure as shown in fig. 10, which has an inclined V-shaped structure to improve the bending rigidity and torsional rigidity of the track plate 2. The deflector 22 is perpendicular to the bearing plate 21 as a train guide plate, when the train runs, the bearing tread of the deflector as a train guide wheel is the train guide, in this embodiment, the deflector 22, the bearing plate 21 and the rib plate 23 are integrally formed and processed, and compared with the structure with higher later combined strength and more stable structure, the integrated structure reduces the complexity of on-site assembly of constructors, and improves the construction efficiency. The guide plate 22 may be provided as a separate member not integrally with the track plate, and when the guide plate 22 is provided as a separate member, the reinforcing rib 24 may be provided on the opposite side of the force-receiving surface of the guide plate, as shown in fig. 11. The connection mode or the fixing mode between the track plate mounting frame 1 and the track plate 2 is the same as each support piece 6, the fixing structure drawn by the drawing is only schematic, the specific connection and fixing modes can be set at will by a person skilled in the art according to practical application, the specific connection and fixing modes are specifically determined according to the section shape of the track plate and the load of the train through scientific calculation and optimization, the calculation method of the specific steel structure is not repeated here, however, any change mode obtained through calculation does not deviate from the principle and the scope of the invention, and the method is limited in the protection scope of the invention.
Common empty rail tracks generally have an outer suspension (empty rail bogie is disposed outside the rail beam) and an inner suspension (empty rail bogie is disposed inside the rail beam).
Currently, internal suspension type air rail traffic system is commonly used for domestic and foreign air irons, and the internal suspension type air rail traffic system is shown in fig. 5. The bearing wheel treading parts 21b of the two track slabs 2 in the track slab group are close to each other as shown in fig. 6, further, the train 5 is arranged between the track slab groups through the bogie 51, at the moment, the bearing wheels of the bogie 51 are arranged on the bearing wheel treading parts 21b, the guide plate 22 is used as the guide wheel tread of the bogie 51 to guide the bogie 51, the bogie 51 is connected with the train 5 through the suspender 52, the bearing wheels roll along the length direction of the track slab 2 to drive the train 5 to move forward, and two track slab groups are symmetrically arranged on one track slab mounting frame 1, so that the air track traffic system can accommodate the train running bidirectionally in a tunnel.
The outer suspension type hollow iron is divided into a single-side outer suspension type and a double-side outer suspension type, and only one C-shaped suspender is arranged between the bogie of the single-side outer suspension type hollow iron and the carriage, and the C-shaped suspender is positioned at one side of the track plate; two suspenders or connectors are arranged between the bogie of the double-side outer suspension type empty iron and the carriage, and are respectively positioned at two sides of the track plate. The arrangement mode of the externally suspended track plates is shown in fig. 7, the bearing wheel treads 21b of the two track plates 2 in the track plate groups are away from each other, at this time, the bogie bearing wheels are arranged on the bearing wheel treads 21b, the guide plates 22 serve as the guide wheel treads of the bogies to guide the bogies, the bogies are connected with the trains through C-shaped suspenders or connectors, the bearing wheels roll along the length direction of the track plates 2 to drive the trains to advance, and the two track plate groups are symmetrically arranged on one track plate mounting frame, so that the externally suspended empty rail traffic system can accommodate the trains running bidirectionally in the tunnel.
With continued reference to fig. 3, the air rail traffic system for tunnels according to the present invention further includes a pipeline corridor 7 and an inspection platform 8, where the pipeline corridor 7 is a hollow structure, and is disposed on the connection beam 3 to provide a bridge for power cables, illumination cables, signal cables, optical cables, communication cables, etc., and a person skilled in the art can flexibly design the number and structure of the pipeline corridor 7 according to practical applications. Furthermore, two adjacent connecting beams positioned between two track plate groups are provided with the overhaul platform 8, and the overhaul platform 8 can bear multiple persons to be used as a roof fire evacuation platform, so that a platform and a channel are provided for opening up fire evacuation in a tunnel. Further, other equipment, such as third party contact rails (not shown), can be installed to provide operating power for the train using the connection beams between the individual track slab mounts; such as a camera (not shown) to provide images for device monitoring; if an air duct (not shown) is arranged, air is exchanged in the tunnel; such as a signal light (not shown) to provide a signal indication for train travel; even the guide plates required by the train bogie can be arranged on the connecting beams, and the connecting beams can be arranged on any one or any combination of the guide plates.
The track slab mounting frame 1 provided at the tunnel portal arch according to the present invention can be connected to the track slab 2 in the tunnel or to the track beam 16 outside the tunnel, specifically referring back to fig. 1, one end of the track slab mounting frame 1 at the tunnel portal is connected to the track slab 2, the other end is connected to the track beam 16 of the empty track system outside the tunnel, and the column 15 is connected, and the train 5 can travel along the extending direction of the track beam 16. The track beam 16 and the upright 15 are conventional air rail system structures, and are described in the previous patent, and are not described herein. The air rail traffic system can realize good connection between the outside and the inside of the tunnel and ensure the normal operation of the train.
The air rail traffic system also comprises a drainage pipeline 12 and a side evacuation platform 13 shown in fig. 5, wherein the drainage pipeline 12 is arranged below the ground of the tunnel, the ground of the tunnel can be combined with a ground sidewalk and a motor vehicle lane to provide other vehicles and pedestrian passing conditions, a drainage ditch is reserved during tunnel construction, water flow can be led to the bottom of the tunnel from all directions by the drainage ditch, the drainage pipeline 12 for longitudinally collecting water is arranged at the bottom of the tunnel, and the arrangement form, the cross section size and the longitudinal gradient of the drainage pipeline 12 are determined according to the water quantity, the line gradient, the tunnel construction requirements and other factors. The air track traffic system fully utilizes the side wall of the tunnel, and is provided with the side evacuation platform 13 which is aligned with the train door and is flush with the floor of the carriage, so that the emergency evacuation efficiency of the tunnel is improved by utilizing limited space, the safety of the traffic system in the tunnel is ensured, and accidents during evacuation are avoided.
The invention can be simplified into a single-track tunnel, namely, only one track plate group is arranged on the track plate mounting frame for the train to run in a single track. Whether the double-line tunnel or the single-line tunnel belongs to the design idea of the invention, and the design idea is within the protection scope of the invention. The turnout (not shown) in the tunnel does not need to have huge volume like the turnout outside the tunnel, and is more convenient for repairing and maintaining the turnout.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the empty rail traffic system for the tunnel solves the problem of installation of empty rail in the tunnel and the problem that the empty rail cannot be erected in the tunnel to support an empty railway train through the structures of the rail plate installation frame, the rail plate, the connecting beam, the embedded part and the supporting part.
The empty rail traffic system for the tunnel fully utilizes the space between the track slab mounting frames to arrange an overhaul platform which also serves as a roof evacuation platform and provides a platform and a channel for opening up fire evacuation in the tunnel; the side evacuation platform is arranged by reasonably utilizing the space of the side wall of the tunnel, the emergency evacuation efficiency of the tunnel is improved through the roof evacuation platform and the side evacuation platform, the safety of a traffic system in the tunnel is ensured, and accidents during evacuation are avoided.
The empty rail traffic system for the tunnel reasonably plans the inner space of the tunnel by calculating the distance between the vault of the tunnel and the ground at the bottom, and the empty rail traffic system is arranged at the top of the tunnel, so that the tunnel ground sidewalk, the motor vehicle lane and the like are not interfered, other vehicles and pedestrian traffic conditions are provided, and the problem of traffic jam in the peak period is effectively solved.
It should be noted that, in the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (7)
1. An air rail transit system for a tunnel, comprising:
the track slab comprises a track slab mounting frame, a track slab, connecting beams, embedded parts and a train, wherein the track slab mounting frame is fixedly arranged on a tunnel vault through the embedded parts, and any two adjacent track slab mounting frames are connected through the connecting beams;
The track board mounting frame is used for mounting the track board; the train can walk along the extending direction of the track plate;
The track board is prefabricated component, and it includes: bearing plate, deflector, floor, wherein:
The deflector is used as a train guide plate and is vertically arranged on the bearing plate, the bearing plate is divided into a bearing wheel pedal part and a supporting connection part, and the rib plate is used as a longitudinal reinforcing plate and fixedly arranged on the lower surface of the bearing wheel pedal part, wherein:
the bearing wheel pedal part is used as a track structure plate for providing running of a train bearing wheel;
the support connecting part is used as a support connecting end part for transmitting load and force to the support piece;
one end of the track plate mounting frame arranged on the tunnel portal vault is connected with the track plate, the other end of the track plate mounting frame is connected with the upright post through a track beam, and the train can walk along the extending direction of the track beam;
the track board mounting frame is connected with the steel bars in the second lining of the tunnel through the embedded part;
The empty rail road traffic system for the tunnel further comprises a drainage pipeline, wherein the drainage pipeline is arranged below the ground of the tunnel.
2. An air rail transit system for a tunnel as claimed in claim 1, further comprising a support member connected between the track slab mounting frame and the track slab by a plurality of the support members, the support member serving as a load and force transmitting member for transmitting load on the track slab to the tunnel vault.
3. An empty rail transit system for tunnels as claimed in claim 1, wherein two of the track slabs are symmetrically disposed along a central axis of the train to form a track slab group, bearing wheel steps of two of the track slabs in the track slab group are close to or apart from each other, and two of the track slab groups are symmetrically disposed on the one track slab mounting frame.
4. The air rail transit system for a tunnel of claim 1, further comprising a pipeline lane disposed on the connection beam for providing a bridge for power cables, lighting cables, signal cables, fiber optic cables, communication cables.
5. An air rail transit system for a tunnel as claimed in claim 3, further comprising an inspection platform disposed between the two track slab sets through the two connecting beams adjacent thereto, the inspection platform doubling as a fire evacuation platform.
6. The air rail transit system for a tunnel of claim 1, wherein the connection beam is capable of mounting any one or any combination of a camera, a wind tunnel, a signal light, a guide plate, and a third party contact rail.
7. An air rail transit system for a tunnel as claimed in claim 3, wherein two connection beam groups are provided on any adjacent two of the rail plate mounts, each of the two connection beam groups including two connection beams symmetrically provided along both sides of the rail plate group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910772624.8A CN110497924B (en) | 2019-08-21 | 2019-08-21 | Empty rail traffic system for tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910772624.8A CN110497924B (en) | 2019-08-21 | 2019-08-21 | Empty rail traffic system for tunnel |
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| CN110497924B true CN110497924B (en) | 2024-07-23 |
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| CN110497923B (en) * | 2019-08-21 | 2024-07-23 | 中建空列（北京）工程设计研究院有限公司 | Air rail traffic system |
| CN115703487A (en) * | 2021-08-17 | 2023-02-17 | 东莞开道科技有限公司 | Four-wire tunnel traffic system |
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