CN210083205U

CN210083205U - Sub-vacuum pipeline transportation system

Info

Publication number: CN210083205U
Application number: CN201920693963.2U
Authority: CN
Inventors: 叶哲; 叶成思; 吴震宇; 赵林
Original assignee: AVIC CHANGSHA DESIGN & RESEARCH INSTITUTE Co Ltd
Current assignee: AVIC CHANGSHA DESIGN & RESEARCH INSTITUTE Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-18
Anticipated expiration: 2029-05-15

Abstract

A sub-vacuum pipeline transportation system comprises a pipeline system and a vehicle. The pipeline system comprises a pipeline, a cable, an air release port, a guide rail, a supporting seat and a pipeline door; the vehicle comprises an air inlet, an air compressor, a one-way valve, a motor A, a current collector, an upper air storage tank, a compartment door, a compartment body, a tail injection electric valve, a tail nozzle, a lower air storage tank, wheels, a brake, a motor B and a transmission. The air in front of the vehicle is extracted through the air compressor, so that partial vacuum is formed in a pipeline in front of the vehicle, the attraction is formed on the vehicle, and the air resistance of the vehicle during running is reduced; the extracted air is compressed by the air compressor and then is ejected backwards from the tail of the vehicle to form a driving force for the vehicle. The pipeline is arranged on the supporting seat, the cable is arranged at the upper part of the pipeline, guide rails are arranged at the left side and the right side of the lower part of the pipeline, and an air release port is prefabricated on the side surface of the pipeline of the deceleration section before the vehicle enters the station; and a pipeline door is arranged at a parking position of the station.

Description

Sub-vacuum pipeline transportation system

Technical Field

The utility model belongs to the technical field of rail transit transportation, it is an use compressed air as main power, the novel transportation system of vehicle operation in the pipeline of local sub-vacuum state.

Background

The noise of the existing ground rail transit has great influence on the surrounding environment along the line; the operation is influenced or limited by natural climates such as strong wind, snowstorm, freezing and the like; the magnetic suspension train is high in cost due to the normal-temperature superconducting materials, technology and the like, and is difficult to popularize generally at present.

The vacuum pipeline transportation concept has been proposed for a hundred years, and related patent applications related to a vacuum pipeline transportation system are continuously developed in China in recent years, wherein the system mainly comprises a sealed pipeline, a vacuum system, a magnetic suspension track, a transportation cabin or carriage, a driving system, a station system and the like.

The vacuum pipeline transportation has high requirements on the sealing of the pipeline, once leakage occurs, a transportation system must be stopped for maintenance, the work of searching leakage points is very troublesome, and the maintenance time can be very long. Due to factors in multiple aspects such as geological conditions, environmental temperature, pipeline materials and the like, the difficulty in realizing strict sealing of long-distance pipelines is higher. The vacuum state must be maintained throughout the year during the operation of the transportation system, and the cost of operation and system maintenance is high. Because the pipeline is in a vacuum state, the passenger carriage needs to be strictly sealed and kept at normal pressure like a space capsule, and needs to be provided with a survival system for maintaining life, such as oxygen supply and the like. When passengers and goods pass in and out of a station, the pipeline and the carriage are communicated with the outside atmosphere, in order to maintain the vacuum degree of the pipeline, a station system which is isolated and sealed from the vacuum pipeline needs to be arranged, the station system is isolated and sealed from the pipeline after the vehicles enter the station, the vacuum state is eliminated, the passengers and the goods pass in and out, then the passengers and the goods need to be vacuumized for a certain time, and the passengers and the goods can be communicated with the pipeline system again after the designed vacuum degree is reached, so that the vehicles can continue to run. The vacuum pipeline transportation system is an extremely large and complex system, the technical difficulty is extremely high, the investment amount is extremely high, and the construction difficulty is hard to imagine, so that the long-distance vacuum pipeline transportation system for carrying people and goods has no application example so far.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a realize local vacuum, use compressed air as the novel vehicle of main power in the pipeline.

The technical scheme of the utility model:

a sub-vacuum pipeline transportation system comprises a pipeline system and a vehicle. The pipeline system comprises a pipeline, a cable, an air release port, a guide rail, a supporting seat and a pipeline door; the vehicle comprises an air inlet, an air compressor, a one-way valve, a motor A, a current collector, an upper air storage tank, a compartment door, a compartment body, a tail injection electric valve, a tail nozzle, a lower air storage tank, wheels, a brake, a motor B and a transmission. A cable is arranged in the center of the upper part of the inner wall of the pipeline to provide a power supply for a vehicle; the left side and the right side of the lower part of the inner wall of the pipeline are provided with rails for bearing vehicles and guiding directions; an air release port is arranged at the station-entering deceleration section of the vehicle to release the vacuum state and increase the running resistance to achieve the aim of decelerating the vehicle; the pipeline door is arranged at the position of the station corresponding to the carriage door, so that passengers and goods can get on and off conveniently and safely; the supporting seat is used for bearing the pipeline. The pipeline can be made of reinforced concrete.

The air inlet is arranged at the front part of the vehicle and is of a cone structure, the large end of the cone is advanced, the shape of the large end of the cone is the same as that of the pipeline, so that air at the front end of the vehicle can be extracted to form partial vacuum on the pipeline, and the small end of the cone is connected with the air inlet end of the air compressor; the air compressor is a high-efficiency air compressor with a multi-stage blade rotor structure, the motor A is connected with the blade rotor through a flexible coupling to provide power for the air compressor, the output end of the air compressor is connected with the air inlet end of the one-way valve through a pipeline, and the air exhaust end of the one-way valve is connected with the upper air storage tank and the lower air storage tank; one end of the tail spraying electric valve is connected with the gas storage box, and the other end of the tail spraying electric valve is connected with the tail nozzle which is arranged at the tail part of the vehicle.

After air in front of the vehicle is extracted by the air compressor, a partial vacuum state is formed in the pipeline, the gravity effect is generated on the vehicle, and the air resistance can be reduced during operation; the extracted air is compressed by the multistage blades of the compressor, stored in the air storage tank through the check valve, the tail jet electric valve is opened, and the compressed air is jetted backwards from the tail jet port to generate jet power to push the vehicle to move forwards. The motor B is connected with a transmission through a coupler, the transmission drives wheels through an axle, and when the compressed air cannot provide enough power, the starter motor B adds power to the vehicle.

The vehicle can be operated independently by a single carriage or operated by a plurality of carriages in series. When the single carriage runs independently, the air inlet, the air compressor, the one-way valve, the motor A, the current collector, the upper gas storage tank, the carriage door, the carriage body, the tail jet electric valve, the tail jet nozzle, the lower gas storage tank, the wheels, the brake, the motor B and the transmission are all integrated in one carriage. When a plurality of carriages are connected in series, a tail injection electric valve and a tail nozzle do not need to be installed on the first carriage, an air inlet, a gas compressor, a one-way valve, a motor A, a current collector, a tail injection electric valve, a tail nozzle, a motor B and a transmission do not need to be installed on the middle carriage, and an air inlet, a gas compressor, a one-way valve, a motor A, a current collector, a motor B and a transmission do not need to be installed on the tail carriage; the gas storage tanks of all the carriages are connected through flexible pipelines to jointly supply gas to the tail nozzles.

The utility model has the advantages that: the utility model discloses a sub-vacuum pipeline transportation system belongs to one kind of rail transit, is the replenishment of current vehicles such as subway, high-speed railway, magnetism float, has applied the concept of vacuum pipeline simultaneously again on rail transit's basis. When the vehicle runs, air in the front pipeline is sucked, so that partial vacuum is formed in the advancing direction, a pulling force is formed on the vehicle, and the air resistance of the vehicle in running is reduced; the sucked air is compressed by the multistage blades and then is sprayed out from the tail nozzle to the rear of the vehicle through the air storage tank and the tail spraying electric valve to form thrust on the vehicle. The track transportation vehicle is a track transportation vehicle which runs in a partial vacuum environment by taking a pipeline as a support and compressed air as a medium for mainly propelling power. Because the vehicle runs in the pipeline, the noise interference to the outside is small, and the vehicle is not influenced by severe weather; the electric pole and the protective fence do not need to be erected, so that the occupied area and the related investment are reduced; more importantly, the air resistance is reduced by adopting the pipeline partial vacuum which is easy to realize, and the compressed air formed by vacuumizing is used as the running power of the vehicle, so that the energy is saved; the vacuum pipeline transportation system has the advantages that a special vacuum system is not required to be arranged, the vacuum degree of the pipeline is not required to be maintained, the sealing performance of the pipeline is not strictly required, a closed station system is not required to be arranged, and the like, so that the construction cost and the difficulty are far lower than those of a vacuum pipeline transportation system.

Drawings

FIG. 1 is a front view of a sub-vacuum duct vehicle.

Fig. 2 is a left side view.

FIG. 3 is a sectional view taken along line A-A.

Fig. 4 is a partial sectional view.

FIG. 5 is a cross-sectional view taken along line M-M.

In the figure: 1-pipeline, 2-air inlet, 3-air compressor, 4-one-way valve, 5-motor A, 6-cable, 7-current collector, 8-upper air storage tank, 9-compartment door, 10-compartment body, 11-tail spraying electric valve, 12-tail nozzle, 13-air outlet, 14-guide rail, 15-lower air storage tank, 16-support seat, 17-pipeline door, 18-wheel, 19-brake, 20-motor B, 21-speed changer.

Detailed Description

The invention will be further elucidated with reference to the embodiments shown in the drawings.

As shown in the figure: a sub-vacuum pipeline transportation system comprises a pipeline system and a vehicle. The pipeline system comprises a pipeline 1, a cable 6, a vent 13, a guide rail 14, a support seat 16 and a pipeline door 17; the vehicle comprises a 2-air inlet, a 3-air compressor, a 4-one-way valve, a 5-motor A, a 7-current collector, an 8-upper air storage tank, a 9-compartment door, a 10-compartment body, an 11-tail-jet electric valve, a 12-tail nozzle, a 15-lower air storage tank, 18-wheels, a 19-brake, a 20-motor B and a 21-transmission.

The pipeline system has the functions of bearing the vehicle, providing power supply for the vehicle and forming partial vacuum condition, ensuring that the vehicle is not influenced by weather such as wind, snow and the like and operates in a punctual manner, avoiding dangerous factors such as throwing objects in the air and the like and ensuring the safe operation of the vehicle. According to different installation environments, the pipeline system can be laid on the ground or can be overhead or buried underground. The pipeline is of a reinforced concrete structure, the cross section of the pipeline can be circular, square or other shapes, an embedded part for cable installation needs to be arranged on the upper portion of the pipeline, and a plane for installing a guide rail and an embedded steel plate for connection need to be arranged on the lower portion of the pipeline. The cable is a finished bare wire as on an existing high-speed railway line.

13-the air release port is a hole reserved on the pipeline wall of the station-entering deceleration section of the vehicle, and the size, the number and the position of the air release port are determined according to the designed running speed per hour of the vehicle, so as to eliminate vacuum, increase air resistance and decelerate the vehicle; in order to prevent foreign matters from being sucked into the pipeline and ensure the running safety of the vehicle, a firm steel wire mesh enclosure is arranged outside the air release opening.

14-the track not only bears the weight of the vehicle, but also controls the running direction of the vehicle and is also used as a zero line of a power supply line; the rail is made of national railway standard steel rail and is arranged on a pre-buried steel plate in the pipeline.

The 15-bearer serves to carry the weight of the pipeline, vehicle and impact loads generated by the vehicle operation and is also the basis for pipeline installation and height adjustment. The support seat needs to obtain geological exploration data before design as a design basis.

17-the pipeline door belongs to the safety facility, installs outside the pipeline, and the switching of pipeline door must link with vehicle operating system, and the pipeline door can only open after the vehicle arrives the station and stops steadily, and the pipeline door only can start the operation after closing to ensure passenger's and goods safety.

The vehicle takes compressed air as main power. Before the vehicle runs, a 5-motor A is started to drive a 3-compressor, air in a pipeline 1-in front of the vehicle is sent into an 8-upper air storage tank and a 15-lower air storage tank through a 2-air inlet-3-compressor-4-one-way valve, the air pressure is increased to a designed value, and at the moment, partial vacuum is formed in the front of the vehicle. When the vehicle is started, the 11-tail injection electric valve is opened, and compressed air is injected from the 8-upper air storage tank and the 15-lower air storage tank to the rear part of the vehicle through the 11-tail injection electric valve-12-tail nozzle to generate thrust. The vehicle travels forward under the influence of the forward vacuum suction and the thrust of the tail jet. The air inlet is arranged at the front part of the vehicle and is of a cone structure, the big end of the cone faces forwards, the shape of the cone is the same as that of the pipeline, the size of the cone is slightly smaller than that of the pipeline (2-the clearance between the air inlet and the pipeline is slightly larger than the vibration and swing value of the vehicle during operation), the vehicle and the pipeline are ensured not to be rubbed, and the small end of the cone is connected with the air inlet end of the 3. The gas compressor is of a multi-stage blade rotor structure, has the characteristics of small volume, light weight and high efficiency, and achieves the purposes of reducing the dead weight and improving the vehicle efficiency; the 3-compressor is connected with the 5-motor A through a flexible coupling, so that vibration is reduced, noise is reduced, and transmission efficiency is improved. The motor A adopts an alternating current variable frequency motor, and the rotating speed is automatically adjusted according to the working condition requirement. The 4-one-way valve enables the air flow to enter the air storage box in one way only and does not flow in the reverse direction. The gas storage tank is used for adjusting gas load, and the gas storage tank with large capacity has large adjustment margin, the utility model adopts an 8-upper gas storage tank and a 15-lower gas storage tank, so as to fully utilize space and increase gas storage capacity; the gas storage tank belongs to a pressure container, and the pipeline connected with the gas storage tank belongs to a pressure pipeline, and the gas storage tank and the pipeline all need to meet the national standard requirements on the pressure container and the pressure pipeline.

The self weight of the vehicle not only influences the important link of the operation power, but also influences the pipeline strength, the bearing capacity of the supporting seat and the like, so the light weight design of the vehicle is one of the energy-saving measures. The structural members of the vehicle such as beams, columns, frames and the like are all made of non-uniform section profiles and light alloy profiles, and the vehicle box body skin, foot boards and the like are made of aluminum alloy plates.

The 20-motor B is used as auxiliary power, if the power of the vehicle is insufficient during the forward process, the 20-motor B can be started to drive the 21-speed changer, the power is transmitted to the 18-wheel, and the vehicle is accelerated.

When the vehicle enters the station and decelerates, firstly cutting off the power supply of the 20-motor B, closing the 11-tail injection electric valve, and enabling the vehicle to advance by means of inertia; as the 13-air release port is arranged on the 1-pipeline of the deceleration section close to the station, the air resistance enables the vehicle to continue to decelerate after the vacuum in front of the vehicle disappears, and finally the 19-brake is started to accurately position and stop the vehicle.

The utility model discloses a main energy-conserving measure: the 3-compressor is utilized to quickly extract air in front of the vehicle, a local vacuum area is formed in the 1-pipeline, air resistance during vehicle running is reduced, and meanwhile, the extracted air is converted into driving power, and energy consumption is further reduced. Efficient energy-saving equipment such as a multistage blade rotor compressor, an alternating current variable frequency motor and the like is adopted, and a vehicle lightweight design scheme is adopted, so that the running power consumption is reduced.

The vehicle can be operated independently by a single carriage or operated by a plurality of carriages in series. When a single carriage runs independently, a 2-air inlet, a 3-air compressor, a 4-one-way valve, a 5-motor A, a 7-current collector, an 8-upper gas storage tank, a 9-carriage door, a 10-carriage body, an 11-tail-jet electric valve, a 12-tail nozzle, a 15-lower gas storage tank, 18-wheels, a 19-brake, a 20-motor B and a 21-transmission are all integrated in one carriage. When a plurality of carriages are operated in series, the first carriage does not need to be provided with an 11-tail injection electric valve and a 12-tail nozzle, the middle carriage does not need to be provided with a 2-air inlet, a 3-air compressor, a 4-one-way valve, a 5-motor A, a 7-current collector, an 11-tail injection electric valve, a 12-tail nozzle, a 20-motor B and a 21-speed changer, and the tail carriage does not need to be provided with a 2-air inlet, a 3-air compressor, a 4-one-way valve, a 5-motor A, a 7-current collector, a 20-motor B and a 21-speed changer; the air storage boxes of all the carriages are connected through flexible pipelines to supply air to the tail nozzles together.

Claims

1. A sub-vacuum pipeline transportation system is characterized in that: the vehicle comprises an air inlet, an air compressor, a one-way valve, a motor A, a current collector, an upper air storage tank, a carriage door, a carriage body, a tail spraying electric valve, a tail nozzle, a lower air storage tank, wheels, a brake, a motor B and a transmission; the upper part of the inner wall of the pipeline is provided with a cable for providing power supply for the vehicle; the left side and the right side of the lower part of the inner wall of the pipeline are provided with a track for bearing a vehicle; arranging an air release port at the station-entering deceleration section of the vehicle; the pipeline door is arranged at the position of the station corresponding to the carriage door, so that passengers and goods can get on and off conveniently; the pipeline is of a reinforced concrete structure.

2. The sub-vacuum pipeline transportation system of claim 1, wherein: the air inlet is of a cone structure and is arranged at the front part of the vehicle, the shape of the large end of the cone is the same as that of the pipeline, and the small end of the cone is connected with the air inlet end of the air compressor; the air compressor is of a multi-stage blade rotor structure, the blade rotor is connected with a motor A through a flexible coupling, the motor A provides power for the air compressor, the output end of the air compressor is connected with the air inlet end of a one-way valve through a pipeline, and the air outlet end of the one-way valve is connected with an upper air storage tank and a lower air storage tank; one end of the tail spraying electric valve is connected with the gas storage box, and the other end of the tail spraying electric valve is connected with the tail nozzle which is arranged at the tail part of the vehicle.

3. The sub-vacuum pipeline transportation system of claim 1, wherein: the vehicle runs independently in a single compartment, and an air inlet, an air compressor, a one-way valve, an electric motor A, a current collector, an upper air storage tank, a compartment door, a compartment body, a tail injection electric valve, a tail nozzle, a lower air storage tank, wheels, a brake, an electric motor B and a transmission are all integrated in the compartment.

4. The sub-vacuum pipeline transportation system of claim 1, wherein: the vehicle runs in series in a plurality of carriages, the front carriage is not provided with a tail injection electric valve and a tail nozzle, the middle carriage is not provided with an air inlet, a gas compressor, a one-way valve, a motor A, a current collector, a tail injection electric valve, a tail nozzle, a motor B and a transmission, and the tail carriage is not provided with an air inlet, a gas compressor, a one-way valve, a motor A, a current collector, a motor B and a transmission; the air storage boxes of all the carriages are connected through flexible pipelines to supply air to the tail nozzles together.