CN210363818U - Device for preventing high-speed train from shaking during meeting - Google Patents
Device for preventing high-speed train from shaking during meeting Download PDFInfo
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- CN210363818U CN210363818U CN201920511745.2U CN201920511745U CN210363818U CN 210363818 U CN210363818 U CN 210363818U CN 201920511745 U CN201920511745 U CN 201920511745U CN 210363818 U CN210363818 U CN 210363818U
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- 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
Abstract
The utility model belongs to the technical field of shock-proof and shake-proof operation of trains, in particular to a device for preventing high-speed trains from shaking during meeting, which comprises a main body structure comprising a first pressure sensor, an air inlet, a carriage, an air outlet, an electromagnetic chuck, a second pressure sensor, a clapboard, a main controller, an air compressor, a reversing valve, an air channel, a panel, a magnet, a base body, an iron core and a coil; the utility model discloses structural automatic control formula of addding at current high-speed train prevents to rock equipment, can weaken or offset the formula vibrations that rocks that two cars meet and produce when high-speed train meeting, very big promotion train stability and passenger's comfort and the security of taking when meeting the car, bring for the better experience of taking of passenger, also can improve train, road bed and rail life simultaneously.
Description
The technical field is as follows:
the utility model belongs to the technical field of the train operation is taken precautions against earthquakes and is prevented shaking, concretely relates to prevent that high-speed train meeting from rocking device adds automatic control formula in current high-speed train structure and prevents to rock equipment, can weaken or offset the formula vibrations that rocks that two cars meet and produce when high-speed train meeting.
Background art:
the high-speed train is fast, comfortable, stable, safe, energy-saving and environment-friendly, is popular with modern people, and countries in the world are greatly supporting to meet the increasing travel demands by using novel high-speed trains. When two high-speed trains traveling in opposite directions meet each other, the relative speed of the trains increases rapidly due to their high speed, and the pressure caused by the air impact between the trains changes drastically, thereby generating and forming a so-called pressure wave. In the paper of "research on dynamic response under working conditions of passing through a tunnel, passing through a tunnel and meeting in a tunnel of a high-speed train" published in the 21 st book of the academic conference of national structure and engineering, the author researches the dynamic response problem of the train under three working conditions of passing through the tunnel and meeting in the tunnel by establishing a dynamic model and compiling a calculation program, and the research result shows that when the high-speed train meets in the tunnel, the tunnel or the open line, the airflow power has obvious influence on the dynamic response of the train, and the pressure fluctuates positively and negatively. In the document of "pressure fluctuation problem of train crossing in tunnel of high-speed train" published in mechanical engineering journal of 20 th vol.48, the authors research shows that the pressure fluctuation of airflow caused by the train crossing in the tunnel is the superposition of inlet effect pressure wave and pressure wave in the train crossing process, i.e. the pressure wave of train crossing in the tunnel can reach several times of that of the open-line train crossing. Along with the rapid development of high-speed railways in China, the speed of the trains is higher and higher, the pneumatic effect of intersection of the two trains is intensified, passengers can feel shaking type vibration during the meeting, the dangers that the passengers fall down, hot water is splashed, carsickness and the like are easily caused, and the shaking and the vibration caused by the air pressure also greatly impact roadbeds and rails, so that the driving stability and the driving safety are seriously influenced.
In the prior art, no technical scheme for preventing shaking vibration when high-speed trains meet is found, such as weakening or offsetting, and no related patent technology is disclosed, and shaking caused by airflow pressure when the trains meet is relatively reduced only by strengthening door and window sealing and the strength of glass and a train body.
The utility model has the following contents:
the utility model aims to overcome the defect that prior art exists, seek to design one kind and prevent that high speed train meeting from rocking device, through the improvement to current high speed train carriage structure with install equipment additional, weaken or offset the rocking and the vibrations that high speed train meeting time air pressure arouses, promote stability and the sense of safety of train when meeting.
In order to achieve the above object, the utility model relates to a device for preventing high-speed train from shaking during meeting, which has a main structure after the basic structure of the existing high-speed train carriage is improved, comprising a first pressure sensor, an air inlet, a carriage, an air outlet, an electromagnetic chuck, a second pressure sensor, a partition plate, a main controller, an air compressor, a reversing valve, an air duct, a panel, a magnet, a base body, an iron core and a coil; the space in the top of the carriage of the existing high-speed train is divided into two areas by adopting the structural design of a partition plate, wherein the upper part is an anti-shaking working area, the lower part is the working area of the existing air conditioner and electric system, and the space in the lower part of the carriage is still a passenger area; the first pressure sensor and the second pressure sensor are respectively arranged at the front end and the rear end of the upper side outside the carriage, the first pressure sensor and the second pressure sensor are symmetrically arranged at the end heads at the two sides of the carriage, four sensors are arranged on each carriage, and the electronic positive pressure sensor and the electronic negative pressure sensor are selected; the air inlet of the oblique air inlet is in a shutter shape and is arranged at one end of the top of the carriage; the air compressor is fixedly arranged on the partition plate below the position of the air inlet, an air inlet channel of the air compressor is communicated with the air inlet, and an air outlet end of the air compressor is communicated with an inlet of the reversing valve; the reversing valve is of a two-position three-way type electromagnetic reversing valve structure and is provided with an inlet and two outlets, the two outlets are respectively communicated with two air channels, and each air channel is communicated with air outlet parallel structures uniformly distributed on two sides of a carriage; the two stations of the reversing valve can respectively communicate the two air channels with the air outlet port of the air compressor, and the station of the reversing valve can be adjusted at the initial station or the terminal station of the train, so that the train can conveniently run in two directions.
The electromagnetic chuck related to the embodiment comprises a panel, a magnetism isolating body, a base body, an iron core and a coil; the electromagnetic chuck comprises a base body, a panel, magnets, a coil, a magnet isolation body, a workpiece and a coil, wherein the base body is arranged in the electromagnetic chuck, the coil is wound on the core, the panel is fixedly arranged on the base body, the magnets are embedded in the panel, the positions of the magnets correspond to the positions of the cores one to one, and the magnets isolate the core part, so that magnetic lines of force can intensively pass through the workpiece after the coil is electrified to tightly suck the workpiece; the panel, the base body and the iron core are all made of magnetic conductive steel materials, and the material of the magnetism isolating body is copper, aluminum or lead.
The main controller related to the embodiment is respectively in electrical information connection with the first pressure sensor, the second pressure sensor, the electromagnetic chuck, the air compressor and the reversing valve; the main controller can receive and process pressure signals of the first pressure sensor and the second pressure sensor, and can control the on-off and the size of current of a coil on the electromagnetic chuck, control air suction and air discharge of the air compressor and control a station of the reversing valve.
The concrete working process that this embodiment prevented that the carriage from rocking does: before the train starts, the reversing valve is adjusted to be communicated with an air channel on the train meeting side, an electromagnetic chuck power supply of the train in any running direction is communicated, and air sucked by the air inlet is pressurized and stored by the air compressor; when train meeting starts, the first pressure sensor and the second pressure sensor on the meeting side firstly sense positive pressure, signals are transmitted to the main controller, after the positive pressure exceeds a critical value, the main controller on the train which is connected with the electromagnetic chuck power supply is connected with the switch of the electromagnetic chuck on the pressure side, the current is adjusted according to the pressure, the electromagnetic chuck which is connected with the power supply and the electromagnetic chuck which does not work on the other train meeting generate attraction force, and air pressure generated by the meeting is counteracted; when the first pressure sensor and the second pressure sensor sense negative pressure, the main controller cuts off a power supply of the electromagnetic chuck, switches on a switch of the air compressor, controls the air compressor to release gas, generates acting force in the opposite direction of the meeting vehicle side after the gas is sprayed out at a high speed at the air outlet, and counteracts the negative pressure generated by the meeting vehicle to keep the stability of two vehicles meeting the vehicle, so as to prevent or reduce the shaking and the vibration of a carriage; the process is repeated until the vehicle meeting is finished, the positive pressure and the negative pressure generated by the vehicle meeting are offset, the train can run stably, and obvious shaking cannot be generated.
Compared with the prior art, the utility model, the reaction force that produces electro-magnet and compressed air is balanced mutually with the pressure that the air current produced when the train meeting, and the structural design of its equipment is reasonable, prevents that the shake principle is reliable, and degree of automation is high, has overcome the problem that the high-speed train shakes and shakes when meeting the car, is applicable to occasions such as open-line meeting, tunnel meeting, can promote stability and the security of train when meeting, improves train, road bed and rail life.
Description of the drawings:
fig. 1 is a schematic view of the principle of the main structure of the device for preventing the high-speed train from shaking during the meeting.
Fig. 2 is a schematic view of the structural principle of the air duct of the modified vehicle according to the present invention.
Fig. 3 is a schematic view of the structural principle of the electromagnetic chuck according to the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example 1:
the main structure of the device for preventing the shaking during the meeting of the high-speed train related to the embodiment after the basic structure of the carriage of the existing high-speed train is improved comprises a first pressure sensor 1, an air inlet 2, a carriage 3, an air outlet 4, an electromagnetic chuck 5, a second pressure sensor 6, a partition plate 7, a main controller 8, an air compressor 9, a reversing valve 10, an air duct 11, a panel 12, a magnetism isolating body 13, a base body 14, an iron core 15 and a coil 16; the space in the top end of a carriage 3 of the existing high-speed train is divided into two areas by adopting the structural design of a partition plate 7, the upper part is an anti-shaking working area, the lower part is an existing air-conditioning and electrical system working area, and the space in the lower part of the carriage 3 is still a passenger area; the first pressure sensor 1 and the second pressure sensor 6 are respectively arranged at the front end and the rear end of the upper side outside the carriage 3, the end heads positioned at the two sides of the carriage 3 are symmetrically arranged, four sensors are arranged on each carriage 3, and an electronic positive pressure sensor and an electronic negative pressure sensor are selected; the oblique air inlet 2 is in a shape of a louver and is arranged at one end of the top of the carriage 3; the air compressor 9 is fixedly arranged on the partition plate 7 below the position of the air inlet 2, an air inlet channel of the air compressor 9 is communicated with the air inlet 2, and an air outlet end of the air compressor 9 is communicated with an inlet of the reversing valve 10; the reversing valve 10 is of a two-position three-way type electromagnetic reversing valve structure and is provided with an inlet and two outlets, the two outlets are respectively communicated with two air ducts 11, and each air duct 11 is communicated with air outlets 4 which are uniformly distributed on two sides of the carriage 3 in a parallel structure; the two air channels 11 can be respectively communicated with the air outlet port of the air compressor 9 by the two stations of the reversing valve 10, and the stations of the reversing valve 10 can be adjusted at the initial station or the terminal station of the train, so that the train can conveniently run in two directions.
The electromagnetic chuck 5 related to the embodiment is composed of a panel 12, a magnetism isolating body 13, a base 14, an iron core 15 and a coil 16; the iron cores 15 are uniformly distributed and integrally fixed on a base body 14 in the electromagnetic chuck 5, the coils 16 are wound on the iron cores 15, the panel 12 is fixedly installed on the base body 14, the magnet isolation bodies 13 are embedded in the panel, the positions of the magnet isolation bodies 13 correspond to the iron cores 15 one by one, and the magnet isolation bodies 13 enable the iron cores to be partially isolated, so that magnetic lines of force concentrate to pass through a workpiece after the coils are electrified to tightly suck the workpiece; the panel 12, the base 14 and the iron core 15 are all made of magnetic conductive steel materials, and the material of the magnetism isolating body 13 is copper, aluminum or lead.
The main controller 8 related to the present embodiment is electrically connected to the first pressure sensor 1, the second pressure sensor 6, the electromagnetic chuck 5, the air compressor 9, and the directional valve 10; the main controller 8 can receive and process the pressure signals of the first pressure sensor 1 and the second pressure sensor 6, and can control the on-off and the size of the current of the coil 16 on the electromagnetic chuck 5, control the air suction and the air discharge of the air compressor 9 and control the work position of the reversing valve 10.
The concrete working process that this embodiment prevented that the carriage from rocking does: before the train starts, the reversing valve 10 is adjusted to be communicated with an air channel 11 on the train side, meanwhile, the power supply of the electromagnetic chuck 5 of the train in any running direction is communicated, and the air compressor 9 pressurizes and stores the air sucked by the air inlet 2; when a train meeting starts, the first pressure sensor 1 and the second pressure sensor 6 on the meeting side firstly feel positive pressure, signals are transmitted to the main controller 8, after the positive pressure exceeds a critical value, the main controller 8 on the train which is connected with the power supply of the electromagnetic chuck 5 is connected with the switch of the electromagnetic chuck 5 on the pressure side, the current is adjusted according to the pressure, the electromagnetic chuck 5 which is connected with the power supply and the electromagnetic chuck 5 which does not work on another train meeting generate attraction force, and the air pressure generated by the meeting is counteracted; when the first pressure sensor 1 and the second pressure sensor 6 sense negative pressure, the main controller 8 cuts off the power supply of the electromagnetic chuck 5, switches on the switch of the air compressor 9, controls the air compressor 9 to release air, and the air is sprayed out at the air outlet 4 at a high speed to generate acting force in the opposite direction of the vehicle meeting side, so that the acting force is counteracted with the negative pressure generated by the vehicles meeting to keep the stability of the two vehicles meeting the vehicles, and the shaking and the vibration of the carriage are prevented or reduced; the process is repeated until the vehicle meeting is finished, the positive pressure and the negative pressure generated by the vehicle meeting are offset, the train can run stably, and obvious shaking cannot be generated.
When the train meets the train on the open line at the speed of 200km/h, the force generated by calculating the electromagnetic force and ejecting the compressed gas can offset more than 60% of pressure waves generated by meeting the train, the shaking amplitude of the carriage can be reduced by about 80%, the stability of the train meeting the train and the comfort and safety of the passenger can be greatly improved, the better riding experience of the passenger can be brought, and the service lives of the train, the roadbed and the rail can be prolonged.
Claims (1)
1. The utility model provides a prevent that high speed train meeting from rocking device which characterized in that: the air conditioner comprises a first pressure sensor, an air inlet, a carriage, an air outlet, an electromagnetic chuck, a second pressure sensor, a partition plate, a main controller, an air compressor, a reversing valve and an air duct; the space in the top of the carriage of the train is divided into two areas by adopting the structural design of a partition plate, wherein the upper part is an anti-shaking working area, the lower part is the working area of the existing air conditioner and electric system, and the space in the lower part of the carriage is a passenger area; the first pressure sensor and the second pressure sensor are respectively arranged at the front end and the rear end of the upper side outside the carriage, and are symmetrically arranged at the end heads at the two sides of the carriage, and each carriage is provided with 4 electronic positive and negative pressure sensors; the air inlet of the oblique air inlet is in a shutter shape and is arranged at one end of the top of the carriage; the air compressor is fixedly arranged on the partition plate below the position of the air inlet, an air inlet channel of the air compressor is communicated with the air inlet, and an air outlet end of the air compressor is communicated with an inlet of the reversing valve; the reversing valve is of a two-position three-way type electromagnetic reversing valve structure and is provided with an inlet and two outlets, the two outlets are respectively communicated with two air channels, and each air channel is communicated with air outlet parallel structures uniformly distributed on two sides of a carriage; the two stations of the reversing valve can respectively communicate the two air channels with the air outlet port of the air compressor, and the station of the reversing valve can be adjusted at the initial station or the terminal station of the train, so that the train can conveniently run in two directions; the electromagnetic chuck consists of a panel, a magnetism isolating body, a base body, an iron core and a coil; the electromagnetic chuck comprises a base body, a panel, magnets, a coil, a magnet isolation body, a workpiece and a coil, wherein the base body is arranged in the electromagnetic chuck, the coil is wound on the core, the panel is fixedly arranged on the base body, the magnets are embedded in the panel, the positions of the magnets correspond to the positions of the cores one to one, and the magnets isolate the core part, so that magnetic lines of force can intensively pass through the workpiece after the coil is electrified to tightly suck the workpiece; the main controller is respectively in electrical information connection with the first pressure sensor, the second pressure sensor, the electromagnetic chuck, the air compressor and the reversing valve; the main controller receives and processes pressure signals of the first pressure sensor and the second pressure sensor, controls the current on-off of a coil on the electromagnetic chuck, and controls the air suction and air discharge of the air compressor and the station of the reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920511745.2U CN210363818U (en) | 2019-04-16 | 2019-04-16 | Device for preventing high-speed train from shaking during meeting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920511745.2U CN210363818U (en) | 2019-04-16 | 2019-04-16 | Device for preventing high-speed train from shaking during meeting |
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| Publication Number | Publication Date |
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| CN210363818U true CN210363818U (en) | 2020-04-21 |
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| CN201920511745.2U Active CN210363818U (en) | 2019-04-16 | 2019-04-16 | Device for preventing high-speed train from shaking during meeting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969210A (en) * | 2019-04-16 | 2019-07-05 | 青岛大学 | One kind prevents bullet train meeting from shaking device |
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2019
- 2019-04-16 CN CN201920511745.2U patent/CN210363818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969210A (en) * | 2019-04-16 | 2019-07-05 | 青岛大学 | One kind prevents bullet train meeting from shaking device |
| CN109969210B (en) * | 2019-04-16 | 2024-01-09 | 青岛大学 | Device for preventing high-speed train meeting from shaking |
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