CN117465227A - Passenger and cargo permanent magnet suspension transportation system driven by distributed wheel type permanent magnet motor - Google Patents
Passenger and cargo permanent magnet suspension transportation system driven by distributed wheel type permanent magnet motor Download PDFInfo
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- CN117465227A CN117465227A CN202311615416.XA CN202311615416A CN117465227A CN 117465227 A CN117465227 A CN 117465227A CN 202311615416 A CN202311615416 A CN 202311615416A CN 117465227 A CN117465227 A CN 117465227A
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- 239000000725 suspension Substances 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005339 levitation Methods 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 abstract description 14
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- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 230000006698 induction Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
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- 230000001133 acceleration Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a passenger and cargo permanent magnet suspension transportation system driven by a distributed wheel type permanent magnet motor, which comprises: the device comprises a roof beam, a bogie, a wheel motor and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through suspension force generated by the permanent magnet suspension pair; one side of the bogie is provided with a wheel set which is arranged in a penetrating way, and the wheel set only has the rotation freedom degree around a vertical shaft relative to the bogie; the wheel set is always attached to the side wall at one side of the roof beam under the action of the offset force formed by the permanent magnet suspension pair; the wheel motor is arranged at the upper end of the bogie and is used for driving the wheel pair to rotate. The invention uses the side bias force generated by the dislocation of the track magnet and the vehicle-mounted magnet to enable the bogie to incline to one side, and the wheel type motor is arranged on the bogie at the side, the pneumatic tire is wrapped outside the wheel type motor, and under the action of the side bias force, the pneumatic tire and the inner wall of the side roof beam form enough adhesive force to ensure that the bogie is always attached to one side of the inner wall of the roof beam.
Description
Technical Field
The invention relates to the technical field of rail transport vehicles, in particular to a passenger and cargo permanent magnet suspension transport system driven by a distributed wheel type permanent magnet motor.
Background
In the following discussion, "vertical" refers to the direction of gravitational acceleration, "longitudinal" is the direction of advance, "transverse" refers to the horizontal direction perpendicular to both "vertical" and "longitudinal", on-board magnets refer to the magnet sets mounted on the truck, and rail magnets refer to the magnet sets mounted on the roof rail.
The magnetic levitation train overcomes the weight by utilizing the magnetic force to levitate the vehicle, and under the action of magnetic force guidance, the vehicle is driven by a driving system to run, and mainly comprises an superconducting magnetic levitation train, a normally-conductive magnetic attraction type high-speed magnetic levitation train and a normally-conductive magnetic attraction type medium-low-speed magnetic levitation train, all the current magnetic levitation vehicles are driven by adopting linear motors, and related researches and reports of driving the magnetic levitation train by utilizing rotating motors are not needed.
The permanent magnet suspension track system utilizes the guide wheels to limit the movement range of the bogie in the roof beam, and the traction of the permanent magnet suspension track system adopts a short stator linear induction motor for driving, so that the running of the vehicle is realized.
The magnetic levitation train is driven by the linear motor, so that a transmission system can be simplified, but the driving efficiency of the linear motor is far lower than that of the rotary motor, and the manufacturing cost is high, so that the magnetic levitation train driven by the rotary motor has great advantages, but the magnetic levitation train driven by the common rotary motor system is required to be additionally provided with a transmission system, the complexity of the system is increased, and the wheel type motor has the advantages that a large number of transmission parts are omitted, the magnetic levitation train is highly integrated and has higher efficiency, so that the transmission efficiency can be improved by adopting the wheel type rotary motor to drive the magnetic levitation train, the transmission system of the common rotary motor can be omitted, and the driving system of the existing magnetic levitation train is greatly simplified.
At present, all the driving modes of the magnetic levitation train adopt a linear motor driving mode, and fig. 1 is a schematic diagram of a section of an engineering test line-red rail constructed by Jiangxi university, wherein the schematic diagram only shows the structural schematic of levitation, guidance and traction.
The lower part of the bogie is provided with a vehicle-mounted magnet, the bottom of the roof beam is provided with a track magnet, and the vehicle-mounted magnet and the track magnet form a permanent magnet suspension pair to generate suspension force, so that the bogie and a vehicle system carry out zero-power suspension.
A linear motor induction plate is arranged on a supporting wall in the middle of the roof beam, a linear motor coil is arranged on the upper part of the bogie, after electricity is taken, electromagnetic acting force is generated between the linear motor coil and the induction plate, the bogie is driven to move, and under the action of a bogie guide wheel, the bogie moves along the inner wall of the roof beam.
In the prior art, linear motor driving is adopted, the driving efficiency of the linear motor is well known to be far lower than that of a rotating motor, and in the prior art, the primary and the secondary of the linear motor are respectively arranged on a bogie and a roof beam, and in the vertical direction, the gap in the direction is constantly changed due to the influence of light and heavy vehicles, so that the gap between the two is constantly changed, and the driving efficiency is unstable; in the transverse direction, as the bogie moves left and right on the inner wall of the roof beam, the superposition ratio of the primary and secondary of the linear motor in the transverse direction is continuously changed, and further the driving efficiency is reduced.
In the prior art, the roof beam is lower extreme open structure, and the track magnet is installed on roof beam bottom sprag, can prop big opening after the roof beam bottom atress and form "eight" font structure, has further aggravated the offset and the uncertainty of relative position of on-vehicle magnet and track magnet, leads to vertical suspension force unstable, influences vehicle operation stationarity.
Disclosure of Invention
The invention aims to provide a passenger and cargo permanent magnet suspension transportation system driven by a distributed wheel type permanent magnet motor, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a distributed wheeled permanent magnet motor driven passenger and cargo permanent magnet levitation transport system comprising: the device comprises a roof beam, a bogie, a wheel motor and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through a suspension force generated by the permanent magnet suspension pair; one side of the bogie is provided with a wheel set which is arranged in a penetrating way, and the wheel set only has the rotation freedom degree around a vertical shaft relative to the bogie; the wheel set is always attached to the side wall of one side of the roof beam under the action of the offset force generated by the permanent magnet suspension pair; the wheel motor is arranged at the upper end of the bogie and used for driving the wheel pair to rotate.
In some embodiments, the wheel set includes an upper drive wheel, a connecting axle mounted to the truck via an axle housing, and a lower driven wheel, the connecting axle having only rotational freedom about a vertical axis relative to the truck; the wheel type motor and the lower driven wheel are arranged at the upper end and the lower end of the rotating shaft; the upper driving wheel is arranged outside the wheel type motor; the upper driving wheel, the lower driven wheel and the connecting shaft are completely the same in rotation around the vertical shaft relative to the bogie.
In some embodiments, the upper drive wheel and the lower driven wheel are pneumatic tires.
In some embodiments, the permanent magnet levitation pair is formed by a vehicle-mounted magnet and a track magnet, the vehicle-mounted magnet comprises a left vehicle-mounted magnet and a right vehicle-mounted magnet, the track magnet comprises a left vehicle-mounted magnet and a right vehicle-mounted magnet, the left vehicle-mounted magnet and the right vehicle-mounted magnet are arranged on the bogie, the left vehicle-mounted magnet and the right vehicle-mounted magnet are arranged in a staggered manner, and the left vehicle-mounted magnet and the right vehicle-mounted magnet are arranged in a staggered manner, so that the side bias force generated by the left vehicle-mounted magnet and the side bias force generated by the right vehicle-mounted magnet and the right vehicle-mounted magnet are all oriented to one side provided with an upper driving wheel.
In some embodiments, the left and right side walls of the mounting cavity are respectively provided with support tables which are arranged horizontally in opposite directions, wherein the support table on the left side is used for mounting the left side rail magnet, and the support table on the right side is used for mounting the right side rail magnet.
In some embodiments, the bogie has an upper top surface and a lower bottom surface, the upper top surface and the lower bottom surface being disposed on upper and lower sides of the support table, respectively, wherein a left-side on-vehicle magnet is disposed on a left side of a lower portion of the upper top surface, and a right-side on-vehicle magnet is disposed on a right side of the lower portion of the upper top surface.
In some embodiments, the axle housing is mounted on a tie spring, which is secured to the truck.
In some embodiments, the steering system further comprises a driven wheel system, wherein the driven wheel system is arranged on the right side of the bogie and is arranged symmetrically up and down, the driven wheel system comprises a hydraulic cylinder, a guide rail, a sliding block and a second driven wheel, the hydraulic cylinder is fixed on the bogie, the guide rail is fixed on the bogie, the second driven wheel is installed on the sliding block, the sliding block is connected with a piston rod of the hydraulic cylinder, and the sliding block can slide back and forth on the guide rail under the pushing of the hydraulic cylinder.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the side bias force generated by dislocation of the track magnet and the vehicle-mounted magnet to enable the bogie to deviate to one side, and the wheel motor is arranged on the bogie at the side, the pneumatic tire is wrapped outside the wheel motor, under the action of the side bias force, the pneumatic tire and the inner wall of the side roof beam form enough adhesive force to ensure that the bogie is always attached to one side of the inner wall of the roof beam, and under the condition that the wheel motor provides power, the bogie is driven to move along the inner wall of the roof beam, so that the moving track of the bogie is stabilized, and the running stability of the suspended air rail vehicle is improved.
When the vehicle passes through a curve with the centrifugal force counteracted the adhesive force, the adhesive force is insufficient under extreme weather working conditions, or the vehicle needs emergency braking and the like, the second driven wheel is pushed to be attached to the side wall of the track beam through the hydraulic mechanism so as to increase the pressure, the driving wheel is ensured to have enough adhesive force, and smooth running of the vehicle is realized.
And under the working conditions of normal operation and the like, the second driven wheel is separated from the wall surface of the track beam under the action of the hydraulic cylinder, and the adhesive force is provided by virtue of the side bias force generated by the dislocation and offset of the magnet, so that the rolling resistance is reduced, the traction efficiency is improved, and the abrasion of the tire is reduced.
The invention replaces the linear motor with the wheel motor, and drives the bogie to run along the inner wall of the overhead beam under the condition that the wheel motor provides power, thereby stabilizing the running track of the bogie and improving the running stability of the suspended air rail vehicle. The structure of the suspended type air rail driving system is greatly simplified, and the driving efficiency of the whole system is greatly improved. By arranging a simple hydraulic system, adhesive force is provided according to working condition requirements, and operation safety and stability are guaranteed.
Drawings
FIG. 1 is a schematic view of a prior art truck;
fig. 2 is a schematic forward view of a passenger-cargo permanent magnet levitation transport system driven by a distributed wheel-type permanent magnet motor according to the present application.
Fig. 3 is a schematic side view of a passenger-cargo permanent magnet levitation transport system driven by a distributed wheel-type permanent magnet motor according to the present application.
Fig. 4 is a schematic diagram of a passenger-cargo permanent magnet levitation transportation system driven by a distributed wheel type permanent magnet motor in the present application under an extreme working condition.
Fig. 5 is a schematic diagram of the cargo permanent magnet levitation transportation system driven by the distributed wheel type permanent magnet motor according to embodiment 2.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on the drawings, which are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or display.
A passenger-cargo permanent magnet levitation transportation system driven by a distributed wheel-type permanent magnet motor according to an embodiment of the present application will be described in detail with reference to fig. 2. It is noted that the following examples are merely for explaining the present application and are not to be construed as limiting the present application.
Example 1:
as shown in fig. 2-3, a passenger-cargo permanent magnet levitation transport system driven by a distributed wheel type permanent magnet motor, comprising: the device comprises a roof beam 1, a bogie 2, a wheel motor 8 and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through a suspension force generated by the permanent magnet suspension pair; one side of the bogie is provided with a wheel set which is arranged in a penetrating way, and the wheel set only has the rotation freedom degree around a vertical shaft relative to the bogie; the wheel set is always attached to the side wall of one side of the roof beam under the action of the offset force generated by the permanent magnet suspension pair; the wheel motor is arranged at the upper end of the bogie, and has driving and braking functions and is used for driving the wheel set to rotate and playing a braking role when the vehicle needs to be parked.
The technical scheme of this application realizes "becoming to be good for", utilizes the side bias force that track magnet and on-vehicle magnet misplacement produced, lets the leading wheel only laminate with roof beam inner wall one side all the time. Utilize the side bias force that track magnet and on-vehicle magnet misplacement produced, let the bogie incline to one side, through arranging the wheeled motor on this side bogie, the parcel has pneumatic tire in the wheeled motor outside, under the effect of side bias force, form sufficient adhesive force on pneumatic tire and this side roof beam inner wall, in order to guarantee that the bogie only laminates with roof beam inner wall one side all the time, under the circumstances that wheeled motor provided power, and drive the bogie and follow roof beam inner wall operation, the movement track of bogie has been stabilized, the stability of suspension type empty rail vehicle operation has been improved.
Referring to fig. 2, the wheel set comprises an upper driving wheel 5, a connecting shaft 9 and a lower driven wheel 10, the connecting shaft being mounted on the bogie via an axle box 7, the axle box being mounted on a tie spring 6, which is fixed on the bogie. Due to the arrangement of the series springs, vibration generated by the contact of the upper driving wheel and the lower driven wheel with the roof beam can be further weakened.
The connecting shaft has only rotational freedom about the vertical axis relative to the bogie; the wheel type motor and the lower driven wheel are arranged at the upper end and the lower end of the rotating shaft; the upper driving wheel is arranged outside the wheel type motor; the upper driving wheel, the lower driven wheel and the connecting shaft are completely the same in rotation around the vertical shaft relative to the bogie. The lower driven wheel is composed of a pneumatic tire, only the wheel motor at the upper end provides power, and the lower driven wheel at the lower end is only used as the driven wheel, so that the upper driving wheel and the lower driven wheel are ensured to have the same speed all the time, and the phenomenon of tire slipping can be prevented.
Wherein, upper driving wheel, lower follow the driving wheel and all be pneumatic tire. Under the action of side bias force, the pneumatic tire can form stable adhesive force on the inner wall of the roof beam, and the bogie is driven to stably run under the driving of the wheel type motor.
In some embodiments, the permanent magnet levitation pair is formed by a vehicle-mounted magnet and a track magnet, the vehicle-mounted magnet comprises a left vehicle-mounted magnet 3 and a right vehicle-mounted magnet 11, the track magnet comprises a left track magnet 4 and a right track magnet 12, the left vehicle-mounted magnet and the right vehicle-mounted magnet are arranged on a bogie, the left track magnet and the right track magnet are arranged on a roof beam, and the left vehicle-mounted magnet and the left track magnet as well as the right vehicle-mounted magnet and the right track magnet are arranged in a staggered manner, so that the side bias force generated by the left vehicle-mounted magnet and the left track magnet and the side bias force generated by the right vehicle-mounted magnet and the right track magnet are all towards the side provided with the upper driving wheel. And the position and the angle are adjustable, and the relative position of the vehicle-mounted magnet and the track magnet can be changed by adjusting.
The vehicle-mounted magnet and the track magnet form a permanent magnet suspension pair, so that a suspension force in the vertical direction can be generated, and the vehicle-mounted magnet has a dislocation quantity leftwards relative to the center of the track magnet, and at the moment, the permanent magnet suspension pair generates a leftwards lateral bias force, so that the bogie is subjected to a leftwards external force, and the bogie has a leftwards offset trend under the action of the lateral bias force.
Support tables which are horizontally arranged in opposite directions are respectively arranged on the left side wall and the right side wall of the mounting cavity, wherein the support table on the left side is used for mounting the left side rail magnet, and the support table on the right side is used for mounting the right side rail magnet. The bogie has an upper top surface and a lower bottom surface, wherein the upper top surface and the lower bottom surface are respectively arranged on the upper side and the lower side of the supporting table, the left-side vehicle-mounted magnet is arranged on the left side of the lower part of the upper top surface, and the right-side vehicle-mounted magnet is arranged on the right side of the lower part of the upper top surface.
In this application, track magnet can install on the roof beam middle part supporting rib plate, has greatly improved the roof beam atress condition.
Under the effect of the lateral offset force, the bogie always moves left along the inner wall of the roof beam, has a stable moving track, and can be prevented from shaking back and forth on the inner wall of the roof beam to generate impact so as to improve the running stability of the vehicle.
The vehicle-mounted magnet and the track magnet form a permanent magnet suspension pair, the former is offset to the left relative to the center of the latter by a certain dislocation amount during installation, according to the permanent magnet suspension characteristic, the suspension pair can generate vertical upward suspension force and leftward side offset force, under the action of the side offset force, the bogie can be integrally attached to the left inner wall of the overhead beam, and an upper driving wheel and a lower driven wheel on the bogie can be always attached to the left inner wall of the overhead beam. The magnitude of the lateral deflection force can be realized by changing the dislocation quantity of the centers of the vehicle-mounted magnet and the track magnetic track, and the magnitude of the lateral deflection force needs to meet the requirements of traction and braking.
The wheel type motor is adopted to replace a linear motor in the original technical scheme as a driving unit, so that the driving efficiency can be greatly improved; the wheel set is provided with only one driving wheel, namely, two wheel motors are arranged on one bogie, and the running number of the motors can be controlled according to the conditions of the line, the load and the speed during running, so that the purposes of energy saving and consumption reduction are achieved.
The invention provides the tire adhesive force by utilizing the side bias force generated by the dislocation of the track magnet and the vehicle-mounted magnet, has simple structure, the size of the adhesive force only needs to meet the basic requirements of traction and braking, the abrasion of the tire can be greatly reduced, the force only needs to be controlled by the dislocation amount of the magnet, and the adjustment mode is simple and reliable.
As shown in fig. 4, in order to push the driven wheel to be attached to the side wall of the track beam by the hydraulic mechanism to increase the pressure when the vehicle passes through a curve where the centrifugal force counteracts the adhesive force, when the adhesive force is insufficient under extreme weather conditions, or when emergency braking is required, the vehicle can run smoothly by ensuring that the driving wheel has sufficient adhesive force. The embodiment further comprises a driven wheel system, wherein the driven wheel system is arranged on the right side of the bogie and is vertically symmetrically arranged, the driven wheel system comprises a hydraulic cylinder 13, a guide rail 14, a sliding block 15 and a second driven wheel 16, the second driven wheels can be identical or different in size from the driven wheel 10, the hydraulic cylinder is fixed on the bogie, the guide rail is fixed on the bogie, the second driven wheel is mounted on the sliding block, the sliding block is connected with a piston rod of the hydraulic cylinder, and the sliding block can slide back and forth on the guide rail under the pushing of the hydraulic cylinder.
The driven wheel system is arranged symmetrically up and down on the bogie, and the upper hydraulic cylinder and the lower hydraulic cylinder are in linkage synchronous operation, so that the upper hydraulic cylinder and the lower hydraulic cylinder can be ensured to be contacted with or separated from the roof beam rail simultaneously, and the pressure is the same.
The roughness of the running surface of the tire in the inner cavity of the celestial beam 1 can be increased by adopting the surface shot blasting treatment or surface plastic coating treatment and the like, so that the friction coefficient is improved, and the driving effect is ensured.
The invention replaces the linear motor with the wheel motor, greatly simplifies the structure of the suspension type air rail driving system and greatly improves the driving efficiency of the whole system.
Example 2:
as shown in fig. 5, a passenger-cargo permanent magnet levitation transportation system driven by a distributed wheel type permanent magnet motor includes: the device comprises a roof beam 1, a bogie 2, a wheel motor 8 and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through a suspension force generated by the permanent magnet suspension pair; the wheel motor 8 is installed at the upper and bottom of the left side of the bogie, respectively, and is rotatable about a motor central axis, and the pneumatic tire is installed outside the wheel motor.
Compared with the embodiment 1, the main difference of the embodiment is that wheel type motors, namely, driving wheels, are arranged on the upper side and the lower side of the bogie.
The wheel motor has driving and braking functions and is used for driving the wheel set to rotate, and braking is performed when the wheel set needs to be parked.
Under the action of the control system, the upper wheel type motor and the lower wheel type motor of the bogie can realize synchronous same speed, thereby ensuring that the upper pneumatic tire and the lower pneumatic tire have the same speed all the time and preventing the phenomenon of tire slipping.
The running number of the motors can be controlled according to the conditions of the circuit, the load and the speed during running, so that the purposes of energy saving and consumption reduction are achieved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. A distributed wheeled permanent magnet motor driven passenger and cargo permanent magnet levitation transport system, comprising: the device comprises a roof beam, a bogie, a wheel motor and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through a suspension force generated by the permanent magnet suspension pair; one side of the bogie is provided with a wheel set which is arranged in a penetrating way, and the wheel set only has the rotation freedom degree around a vertical shaft relative to the bogie; the wheel set is always attached to the side wall of one side of the roof beam under the action of the offset force generated by the permanent magnet suspension pair; the wheel motor is arranged at the upper end of the bogie and used for driving the wheel pair to rotate.
2. A distributed wheel-type permanent magnet motor-driven passenger-cargo permanent magnet levitation transport system according to claim 1, wherein the wheel set comprises an upper driving wheel, a connecting shaft and a lower driven wheel, the connecting shaft is mounted on the bogie through an axle box, and the connecting shaft has only rotational freedom about a vertical axis relative to the bogie; the wheel type motor and the lower driven wheel are arranged at the upper end and the lower end of the rotating shaft; the upper driving wheel is arranged outside the wheel type motor; the upper driving wheel, the lower driven wheel and the connecting shaft are completely the same in rotation around the vertical shaft relative to the bogie.
3. The distributed wheel permanent magnet motor-driven passenger and cargo permanent magnet levitation transport system according to claim 2, wherein the upper driving wheel and the lower driven wheel are pneumatic tires.
4. The distributed wheel-type permanent magnet motor-driven passenger-cargo permanent magnet levitation transportation system according to claim 1, wherein the permanent magnet levitation pair is composed of a vehicle-mounted magnet and a track magnet, the vehicle-mounted magnet comprises a left-side vehicle-mounted magnet and a right-side vehicle-mounted magnet, the track magnet comprises a left-side track magnet and a right-side track magnet, the left-side vehicle-mounted magnet and the right-side vehicle-mounted magnet are arranged on a bogie, the left-side track magnet and the right-side track magnet are arranged on a roof beam, and the left-side vehicle-mounted magnet and the left-side track magnet as well as the right-side vehicle-mounted magnet and the right-side track magnet are offset, so that the side offset force generated by the left-side vehicle-mounted magnet and the left-side track magnet and the side offset force generated by the right-side vehicle-mounted magnet are all oriented to the side where the upper driving wheel is arranged.
5. The distributed wheel type permanent magnet motor-driven passenger and cargo permanent magnet levitation transportation system according to claim 4, wherein supporting tables are arranged on the left side wall and the right side wall of the installation cavity in opposite directions and horizontally respectively, wherein the supporting table on the left side is used for installing a left side rail magnet, and the supporting table on the right side is used for installing a right side rail magnet.
6. The distributed wheel permanent magnet motor-driven passenger and cargo permanent magnet levitation transport system of claim 5, wherein the bogie has an upper top surface and a lower bottom surface, the upper top surface and the lower bottom surface being disposed on upper and lower sides of the support table, respectively, wherein the left vehicle magnet is disposed on a left side of a lower portion of the upper top surface, and the right vehicle magnet is disposed on a right side of a lower portion of the upper top surface.
7. A distributed wheel permanent magnet motor-driven passenger and cargo permanent magnet levitation transport system according to claim 2, wherein the axle housing is mounted on a tie spring, and a tie spring is secured to the bogie.
8. The distributed wheel type permanent magnet motor-driven passenger and cargo permanent magnet suspension transportation system according to claim 1, further comprising a driven wheel system, wherein the driven wheel system is arranged on the right side of the bogie and is arranged symmetrically up and down, the driven wheel system comprises a hydraulic cylinder, a guide rail, a sliding block and a second driven wheel, the hydraulic cylinder is fixed on the bogie, the guide rail is fixed on the bogie, the second driven wheel is mounted on the sliding block, the sliding block is connected with a piston rod of the hydraulic cylinder, and the sliding block can slide back and forth on the guide rail under the pushing of the hydraulic cylinder.
9. A distributed wheeled permanent magnet motor driven passenger and cargo permanent magnet levitation transport system, comprising: the device comprises a roof beam, a bogie, a wheel motor and a permanent magnet suspension pair, wherein an installation cavity is formed in the roof beam, and the bogie is vertically suspended in the installation cavity through a suspension force generated by the permanent magnet suspension pair; the wheel motor is installed in the upper portion and the bottom of the left side of bogie respectively, and can rotate around the motor central axis, and pneumatic tire installs in the wheel motor outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311615416.XA CN117465227A (en) | 2023-11-29 | 2023-11-29 | Passenger and cargo permanent magnet suspension transportation system driven by distributed wheel type permanent magnet motor |
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| US20230278434A1 (en) * | 2020-11-12 | 2023-09-07 | Terence Alan Tamutus | Capture arm system for magnetic levitation / road vehicle |
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| CN108382405A (en) * | 2018-04-04 | 2018-08-10 | 中唐空铁集团有限公司 | Empty iron running gear with damping property |
| CN116034071A (en) * | 2020-05-06 | 2023-04-28 | 赛峰起落架系统公司 | Passive lateral stability of magnetically levitated vehicles |
| CN112078376A (en) * | 2020-08-10 | 2020-12-15 | 江西理工大学 | Permanent magnetic-levitation train bending-passing guide control method and system |
| US20230278434A1 (en) * | 2020-11-12 | 2023-09-07 | Terence Alan Tamutus | Capture arm system for magnetic levitation / road vehicle |
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