322results about "Railway tunnels" patented technology

A method for erecting a portion of a transportation structure including two assemblies of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method including: (a) erecting a substructure including a first plurality of girders forming a first transportation pathway, a second plurality of girders forming a second transportation pathway and a plurality of platforms forming a service pathway, the erecting step including conveying with vehicle(s) the girders and platforms along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway, (b) conveying, with vehicle(s), the tube segments along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

The invention relates to the technical field of high-speed maglev traffic, in particular to an ultrahigh-speed low-vacuum pipeline dust removal device. The technical problem to be solved by the invention is that the resistance is increased and the vacuum degree of the pipeline is reduced due to dust accumulation in the ultra-high-speed low-vacuum pipeline. Comprising a vacuum pipeline and a cleaning mechanism, the cleaning mechanism comprises prefabricated frames, the prefabricated frames are symmetrically and fixedly connected to the inner wall of the vacuum pipeline, sliding boxes are slidably connected into the prefabricated frames, and first compression springs are arranged between the sliding boxes and the inner walls of the prefabricated frames. Through the design of the cleaning mechanism, dust removal is conducted on the vacuum pipeline, the situation that dust exists in the vacuum pipeline, consequently, the dust occupies the space in the pipeline, the flowing resistance of gas or fluid is increased, and the vacuum degree of the vacuum pipeline is prevented from being reduced is avoided; and through the design of a scraping plate, dust falling into the first U-shaped frame is scraped away, the dust is prevented from being accumulated in the first U-shaped frame, and the dust in the sealed space can be purged through a purging pipe.

A control module is provided for driving a vehicle relative to a track with a first and second rail both having a reluctance varying over the length of the track The vehicle comprises a first electromagnetic actuator module arranged to interact with the first rail; and a second electromagnetic actuator module arranged to interact with the second rail. The control module arranged to receive data indicating a distances between the electromagnetic actuator modules and the rails, relative positions of variations of the reluctance in the rails relative to the electromagnetic actuator modules. The control module is arranged to, based on the received data, generate a current signals and provide the generated current signals to the respective electromagnetic actuator modules.

A railway system including at least two railway guide systems interfacing at a system conversion station, at least one railway guide system comprising a magnetic levitation railway track and the other railway guide system comprising one of a wheel railway track and a magnetic levitation railway track, the system conversion station comprising a bogie storage zone for storing one or more bogies adapted for locomotion on the first railway guide system and for storing bogies adapted for locomotion on the second railway guide system.

A method for erecting a portion of a transportation structure including a plurality of piers, a plurality of platforms forming a service pathway, a first plurality of girders forming a first assembly of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, and forming a first rooftop transportation pathway the method including conveying with vehicle(s) the girders and platforms along the first transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

To provide an in-pipe traveling device which can travel in a pipe line with out-of-plane bending, a control method for the in-pipe traveling device, and a control program for the in-pipe traveling device.SOLUTION: An in-pipe traveling device includes: a first link 10; a second link 20 which is connected to the first link 10; an active joint part 60 which connects the first link 10 with the second link 20; and a first spherical wheel 41, a second spherical wheel 42 and a central wheel 43 which rotate to enable movement of the in-pipe traveling device 100. The first spherical wheel 41 can control the angle around a pipe axis Ps of a pipe line P for a rotational axis 41s of the first spherical wheel 41. The second spherical wheel 42 can control the angle around the pipe axis Ps of the pipe line P for a rotational axis 42s of the second spherical wheel 42. The central wheel 43 can move passively along a rotational axis 43s of the central wheel 43.SELECTED DRAWING: Figure 1

A mass transit system 1 comprising a track comprising a tunnel 100 defined by a series of longitudinal pre-formed sections 121, 122, aligned end-to-end to form a continuous bore. The pre-formed sectio

Means of transport with pneumatic piston operation for passengers and / or goods, comprising a hollow tube (2) and a vehicle (3) that moves inside said tube (2), wherein said tube (2), which has a cylindrical or oval cross-section and hermetic walls, has a first, closed end (2a) and a second, open end (2b) to the outside, and incorporates, in at least part of the area close to the closed end (2a), one or more air exhaust fans (4) capable of creating a vacuum in the space (a) between said closed end (2a) and the head (3a) of the vehicle (3); wherein said vehicle (3) in turn comprises: a head (3a) made up of a rigid body in the form of a piston (5) with a peripheral pneumatic seal (6) that fits to the shape and size of the inner wall of the tube (2), and at least one compartment (3b) for boarding passengers and / or loading goods; and wherein the vehicle (3) is installed inside the tube (2) with the head (3a) oriented towards the closed end (2a) and the compartment or compartments towards the open end (2b), such that the vehicle (3) moves and travels inside the tube (2) towards the closed end (2a) when the exhaust fans (4) are actuated and a vacuum is created in the space (a) between the head (3a) of the vehicle (3) and said closed end (2a) of the tube (2), the vehicle being pushed by the pressure difference with the atmospheric pressure of the open end (2b).

This in-pipe traveling vehicle 1 comprises: a main body 2; a traveling device 3 that is provided to the main body 2 and moves the main body 2; and a detection device 5 that is provided at one end of the main body 2 in the longitudinal direction of the main body 2 and detects that the in-pipe traveling vehicle 1 comes into contact with an obstacle inside a sewer pipe P. The detection device 5 has: an upper bumper member 61 and a lower bumper member 65 that are displaced by coming into contact with the obstacle; and an upper switch 71 and a lower switch 72 that are pressed by the displaced upper bumper member 61 and lower bumper member 65. The upper bumper member 61 and the lower bumper member 65 are displaced by rotating about an axis 57a.

System for conveying at least one transport capsule comprising: - a pipe (2) comprising first and second trunk (21, 22) that are reciprocally assembled; - a coating (3) whose function is structural and of at least partially waterproofing the pipe (2) and comprising tensioned ribbon-shaped means (31) that wraps and compresses at least one portion of the pipe (2). The ribbon-shaped means (31 ) is made of fibre-resin composite material and comprises said fibres impregnated in said resin.

The invention relates to a channel system for connecting an ultra-high-speed train in a low-vacuum tunnel and an operation method of the channel system, and the system comprises a transversely arranged telescopic channel which is positioned in the low-vacuum tunnel, is connected between a train door of an airtight ultra-high-speed train and a platform door arranged on a tunnel lining, and comprises a plurality of sections of Z-shaped telescopic shells which are sequentially nested, and the vertical outline is gradually increased from inside to outside. The telescopic channel can be hidden in the thickness range of a low-vacuum tunnel lining in a compressed state, can be connected between a train door and a tunnel lining platform door in an extended state, operates by means of a magnetic attraction principle, serves as a telescopic three-dimensional shell structure system, has reliable air tightness measures, and is high in reliability and high in reliability. And meanwhile, the low-vacuum tunnel has certain overall rigidity, toughness and stability after being completely extended, repeated air inflation and air exhaust do not need to be conducted on the low-vacuum tunnel in the operation process, energy consumption is effectively controlled, the operation cost is reduced, and potential safety hazards caused by repeated changes of air pressure in the low-vacuum tunnel are fundamentally avoided.

The invention discloses a short primary linear driving electromagnetic suspension system which comprises a suspension frame and a track beam which are oppositely arranged, and a cavity is defined by the suspension frame and the track beam so as to install a magnetic conductive track, a linear motor primary, a linear motor secondary and an electromagnet. The electromagnets are positioned on two sides of the linear motor primary and are positioned on the vehicle body side; the magnetic conductive track and the linear motor secondary are located on the track side together, laid below the track beam and located above the linear motor primary and the electromagnet. In the short primary linear driving electromagnetic suspension system, the primary winding of the linear motor does not need to provide exciting current and is excited by the permanent magnet, the secondary winding does not have eddy current loss of an induction plate, and the motor efficiency is high. The linear motor can generate suspension force, the linear motor and the electromagnet jointly bear the suspension function of the maglev train, the electromagnet only needs to bear part of suspension load, temperature rise is low, and the suspension capacity of the system is high. The system does not need a water cooling device, and is simple in structure, light in weight and low in cost.

One or more embodiments of this specification provide a pipeline gas processing device and method, which is applied to at least one segmented pipeline, including: at least two harmful gas sensing components, evenly arranged on the top of the segmented pipeline; a partition wall, arranged at the connection between the segmented pipelines; a gas processing component, arranged on the outer side of the center of the top of the segmented pipeline, and at least one air intake port is arranged on the side facing the segmented pipeline, and is configured to be able to extend into the segmented pipeline, and after extending into the segmented pipeline, it can open the air intake port in the corresponding direction according to the feedback of the harmful gas sensing component. One or more embodiments of this specification sense the direction of the harmful gas through the harmful gas sensing component, isolate it through the partition wall, and open the air intake port in the corresponding direction through the gas processing component to perform targeted gas processing, so that the harmful gas in the closed pipeline can be quickly processed, and the control and elimination of the harmful gas can be accelerated, thereby ensuring the safety of people or materials.

Disclosed herein is a tube for a transportation system. The tube for a transportation system according to an embodiment may include: an inner tube for providing a travel path of a vehicle that travels under a pressure lower than atmospheric pressure; an outer tube formed outside the inner tube; and a damping member for supporting the inner tube and the outer tube and buffering between the inner tube and the outer tube.

The invention relates to the technical field of low-vacuum aircrafts, and discloses a cabin suitable for a low-vacuum single-suspension-frame aircraft. Wherein the cabin body comprises a sealing cover, a sealing unit and an equipment mounting unit, the sealing cover is connected with the equipment mounting unit through the sealing unit, the sealing cover comprises a metal cover body, a transverse reinforcing unit and a longitudinal reinforcing unit, and the transverse reinforcing unit and the longitudinal reinforcing unit are arranged outside the metal cover body; a groove is formed in the connecting position of the metal cover body and the equipment mounting unit and used for arranging the sealing unit, the equipment mounting unit comprises a metal upper cover plate and a metal framework, the metal framework is of a net-shaped framework structure formed by welding metal cross beams and metal longitudinal beams, and the metal upper cover plate is arranged above the metal framework. Therefore, the cabin for the low-vacuum superconducting vehicle can be provided, the cabin is connected with the equipment mounting unit in a matched mode through the sealing cover, and the cabin has the equipment sealing function while bearing is achieved.

This invention discloses a hot-rolled steel sheet for vacuum train tubes that exhibits excellent yield strength, weldability, low-temperature toughness of the welded portion, vibration damping ratio, and is free from hot cracking. The hot-rolled steel sheet according to this invention is characterized in that its alloy composition, by weight percent, comprises: C: less than 0.06% (more than 0%), Si: 0.5-1.5%, Mn: 1.2-2.2%, Cu: 0.5-1.5%, Ni: more than 0.25%, Ti+Nb+V: less than 0.02% (inclusive of 0%), the balance being Fe and unavoidable impurities.

The present invention relates to a walking robot for making a substrate conveying robot walk in a vacuum chamber, comprising: a lifting part, which is located in the outer lower area of ​​a shell that seals the inside of the vacuum chamber, and the upper end is sealed and connected to the vacuum chamber through hole formed in the lower area of ​​the shell, so that a hollow lifting drive shaft is formed to move up and down in the vacuum chamber through hole; a walking arm platform, which comprises a 1_1 combination hole, a 1_2 combination hole and a 1_3 combination hole; the first walking arm part comprises a 1_1 walking link arm and a 1_2 walking link arm; the second walking arm part comprises a 2_1 walking link arm and a 2_2 walking link arm; a conveying robot coupling part, whose second front end area is rotatably coupled to the 1_2 other front end area of ​​the 1_2 walking link arm, and the second other front end area is rotatably coupled to the 2_2 other front end area of ​​the 2_2 walking link arm, and a hollow rotating drive shaft is formed in the second central area and is sealed and coupled to a rotating drive motor of the substrate conveying robot for conveying substrates.

The invention relates to a method for erecting a portion of a transportation structure comprising a plurality of piers (3), a first plurality of girders (6) forming a first assembly of tube segments and a first rooftop transportation pathway (7), a second plurality of girders forming a second assembly of tube segments and a second rooftop transportation pathway (10), both assemblies being capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method comprising conveying with vehicles the girders along one single rooftop transportation pathway, positioning them and having the vehicles return along the other rooftop transportation pathway. The invention also relates to the portion of transportation structure thereof.

A tube assembly for a transportation system is disclosed. A tube assembly for a transportation system according to an embodiment comprises multiple tubes connected to each other through connection units to provide a traveling space for a traveling body. Each of the multiple tubes may comprise: multiple segmented panels arranged along a circumferential direction to surround the traveling path of the traveling body; and binding units disposed between the multiple segmented panels to bind the segmented panels adjacent to each other in the circumferential direction. The connection units may include restraining rings for restraining the circumferences of longitudinal ends of the tubes in a state in which the segmented panels are bound by the binding units.

An underground logistical system contains at least tunnels (1) located below ground and / or water and connected to intermediate hubs (2) of the system and / or to one another, said tunnels (1) being designed to allow the movement therethrough of at least vehicles and / or cargoes. The tunnels (1) and the walls that delimit the interior space of the intermediate hubs (2) of the system are formed by prefabricated elements (13) which are connected at least to one another and are made of fibre-reinforced concrete.

The invention relates to the technical field of maglev rails, and provides a combined maglev rail suitable for pipeline transportation and an application method thereof.The combined maglev rail suitable for pipeline transportation is characterized in that a driving channel and a horizontal bearing part are arranged in a mounting pipeline, the horizontal bearing part is connected with the inner wall of the mounting pipeline, and the horizontal plane of the horizontal bearing part is parallel to the axis of the mounting pipeline; the traction track mounting seat is connected with the horizontal plane of the horizontal bearing part; the linear motor induction plate is connected with one end, far away from the horizontal bearing part, of the traction track mounting seat; the two suspension rails are arranged on the horizontal plane of the horizontal bearing part and symmetrically distributed on the two sides of the traction rail installation base. Any suspension track comprises a suspension mounting seat and a metal track; the metal track is connected with the horizontal plane of the horizontal bearing part through the suspension mounting seat; the metal rail is a U-shaped rail, and an opening of the U-shaped rail faces downwards. By adopting the compact combination design of the horizontal bearing part in the pipeline and the U-shaped suspension track, the vehicle running space occupation ratio is increased, and intensive utilization of underground space is achieved.

The present invention provides a tube structure comprising: a tube body having therein a movement path along which a traveling body moves; and a reinforcing block that is made of a different material from the tube body and coupled to the tube body along the longitudinal direction of the tube body to reinforce the tube body, wherein the reinforcing block has a contact surface in surface contact with the outer surface of the tube body, and the contact surface extends along the longitudinal direction of the reinforcing block.

Disclosed in the present invention are an operation protection method and system for an ultra-high-speed maglev train in a vacuum environment of a low-vacuum tube tunnel. The method comprises: first, a vacuum tube monitoring system establishing an air diffusion model on the basis of the pressure and the airflow velocity in a vacuum tube; and then, on the basis of the air diffusion model, a central operation control system controlling an on-board operation control system by means of a zoned operation control system to control the operation state of a train. By using the method, safety risks caused by leakage in a low-vacuum tube tunnel are avoided, thereby realizing the safety protection for a train in a vacuum tube, greatly improving the operation reliability of the train in a vacuum environment, and ensuring the operation safety of the train.

The invention provides an energy consumption method for consuming airflow and noise of a high-speed vehicle, and the method comprises the steps: a box chamber is arranged in the driving direction; the multiple enclosure structures are arranged in the box chamber at intervals in the extending direction of the box chamber; the outer wall of the enclosure structure and the inner wall of the box chamber jointly form an energy dissipation chamber, when a high-speed vehicle passes through the enclosure structure, airflow and noise generated by the high-speed vehicle form inflow and backflow in the energy dissipation chamber to interfere with each other and collide with each other, so that the airflow and the noise of the high-speed vehicle are consumed, and the energy dissipation effect of the high-speed vehicle is improved. According to the energy consumption method for consuming the airflow and the noise of the high-speed vehicle, the air resistance in the box chamber can be reduced, the phenomena of gas explosion and sound explosion are effectively prevented, and the running stability of the vehicle is guaranteed.

The underground magnetic suspension ultra-high-speed train vacuum tunnel is located at the position 50-100 m underground and comprises a plurality of sections of vacuum pipelines and station channels which are arranged at intervals, and rails are laid in the vacuum pipelines and the station pipelines; a cabin door group is arranged in the station channel and comprises four cabin doors which are arranged in sequence and can be opened and closed, namely a cabin door I, a cabin door II, a cabin door III and a cabin door IV, a waiting cabin I is arranged between the cabin door I and the cabin door II, a waiting cabin II is arranged between the cabin door III and the cabin door IV, a passenger getting-on and getting-off cabin is arranged between the cabin door II and the cabin door III, and an in-out elevator is arranged between the passenger getting-on and getting-off cabin and the ground; a plurality of vacuumizing openings and air supply openings are formed in the vacuum pipeline, the waiting bin I and the waiting bin II, air supply openings are formed in the getting-on and getting-off bin, each vacuumizing opening is provided with an evacuator, and each air supply opening is provided with an air feeder; and during normal passing, the air pressure in the vacuum pipeline is 10% of one standard atmospheric pressure. The technical scheme does not occupy the ground surface area and prevents noise from disturbing residents.

The present invention relates to a vacuum system (100) comprising an non-permeable tube (1) made of metal, an load bearing tube (2) made of concrete, a plurality of shear studs (3) arranged on outer circumference of the non-permeable tube (1) to increase bonding between the non-permeable tube (1) and the load bearing tube (2), a set of connection flanges (4) for allowing connection of multiple vacuum systems, and one or more clamping members (5) disposed at ends of outer circumference of the load bearing tube (2) for lifting and transportation of the vacuum system (100).

The invention relates to a method for erecting a portion (1) of a transportation structure comprising two assemblies (12, 13) of tube segments (14), capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method comprising: (a) erecting a substructure (2) comprising a first plurality of girders (6) forming a first transportation pathway (7), a second plurality of girders forming a second transportation pathway and a plurality of platforms forming a service pathway (10), the erecting step comprising conveying with vehicle(s) the girders and platforms along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway, (b) conveying, with vehicle(s), the tube segments along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway. The invention also relates to the portion of transportation structure thereof.

The invention discloses a cold and hot load dredging method and device for a low-vacuum-pipeline high-speed train and a medium, and the method comprises the steps: S1, constructing a geometric configuration of a low-vacuum-pipeline high-speed train transportation system, and obtaining vehicle body model parameters of the train; s2, acquiring system low vacuum environment data and operation speed data based on the current geometric configuration; s3, calculating a spatial wave system structure and heat flow distribution, identifying and obtaining spatial choking features, and judging the applicability of the periodic cold and hot load dredging design; s4, according to heat flow distribution in the train body bus direction of the train, the periodic cold and hot load acting position is determined; and S5, a micro-channel dredging unit is designed and established according to the thermal load position, and periodic cold and hot load dredging is achieved. According to the invention, the heat of the high-speed train transportation system based on the low-vacuum pipeline is directionally transported from a local high-heat load area to a local low-heat load area, and cold and hot load dredging in a skin cycle is realized.