CN210363398U - Single-rail suspension type magnetic suspension train system based on flat plate-shaped suspension rail - Google Patents
Single-rail suspension type magnetic suspension train system based on flat plate-shaped suspension rail Download PDFInfo
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- CN210363398U CN210363398U CN201920906518.XU CN201920906518U CN210363398U CN 210363398 U CN210363398 U CN 210363398U CN 201920906518 U CN201920906518 U CN 201920906518U CN 210363398 U CN210363398 U CN 210363398U
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Abstract
The utility model discloses a monorail system suspension type maglev train system based on dull and stereotyped suspension rail, include the monorail formula suspension rail that hangs the support by the support column and the train unit of operation on the rail. The suspension frame is installed in the track case roof beam, provides the restraint in the direction of height by spacing roof beam, and the automobile body is fixed on the suspension frame. The supporting columns and the track box girders are fixed components, and the suspension frame and the vehicle body are moving components. The plate-shaped suspension rail in the rail box girder and the cylindrical suspension electromagnet on the suspension frame interact to provide suspension suction force to realize the suspension function. The whole system has the characteristics of simple structure, small size and low cost, can serve the passenger transport requirements under the low-speed running conditions of scenic spot sightseeing, traffic among buildings and the like, can be used as an effective supplement of modern rail transit standards, and has wide application prospect.
Description
Technical Field
The utility model relates to a track traffic technical field, in particular to single-rail system suspension type maglev train system based on dull and stereotyped suspension rail.
Background
The suspension type maglev train is a new type of rail transportation vehicle, is used as a diversified urban rail transportation system, can serve sightseeing traffic in tourist areas, three-dimensional traffic between urban buildings, supplementary traffic of overhead overpasses and the like, and is expected to have wide development and application prospects in China by virtue of a plurality of advantages of the suspension type maglev train. At present, in order to achieve the purpose of reducing noise, the traveling wheels of the existing suspension type monorail vehicle mostly adopt rubber wheels. The running wheels bear the gravity of the vehicle, and the abrasion of the rubber wheels is serious in the actual operation process, so that the operation and maintenance cost of the system is increased. In view of this, if suspension transportation is implemented in a magnetic suspension manner, it is considered that the problem can be optimized in three ways: firstly, the vehicle is completely free of direct mechanical contact with the rail in a vehicle suspension and non-contact driving mode so as to avoid mechanical impact and abrasion between the rubber wheels and a rail running surface; secondly, the positive pressure between the rubber wheel and the track is reduced by a suspension weight reduction mode, the mechanical impact and the frictional resistance borne by the rubber wheel are reduced, the purpose of prolonging the service life of the rubber wheel is achieved, and the rubber wheel is suitable for low-speed traffic; and thirdly, the non-contact with the rail is realized through the suspension of the vehicle, and the walking is realized through the side contact type driving of the rubber wheels. At present, there are not actual suspension type maglev test vehicles and engineering trucks yet, and suspension type maglev schemes that Israel and domestic southwest transit Dian Wan Mingzhizu teach team proposed all are based on foretell first mode, and the suspension type maglev train of research and development multiple standard is all urgent and profitable to diversified transportation and future traffic mode exploration.
SUMMERY OF THE UTILITY MODEL
Based on foretell third kind thinking, the utility model provides a single-rail system suspension type maglev train system based on dull and stereotyped suspension rail, its characteristics are simple structure compactness, and the construction degree of difficulty is low, and the construction cost is low.
The technical scheme of the utility model as follows: a single-rail suspension type magnetic suspension train system based on a flat plate-shaped suspension rail comprises a single-rail suspension rail suspended and supported by supporting pillars and train units running on the rail. The suspension rail is provided with a rail box girder 2 which is fixedly connected to each supporting column and extends along the running path; the track box girder 2 is provided with a box girder box body 201 and a suspension track 202 arranged on the inner side of the box body; the box girder 201 is provided with a top plate and side plates which are respectively vertical to two sides of the top plate; the flat plate-shaped suspension rail 202 is fixedly connected to the top plate between the side plates; the inner sides of the side plates are respectively and symmetrically provided with a limiting beam; the inboard curb plate of the below of spacing roof beam is provided with the guided way.
The train unit is provided with a train body 4 and a suspension frame 3, wherein the train body 4 is connected to the suspension frame 3 through a secondary suspension system 402 on the train body; the suspension frame 3 is provided with a suspension longitudinal beam 303, the cross section of the suspension longitudinal beam is T-shaped and comprises a transverse plate and a vertical plate; the transverse plate is positioned above the limit beam of the box girder box body 201 and the width of the transverse plate is larger than the width of a middle gap of the limit beam; a front group of guide wheels and a rear group of guide wheels are respectively arranged along the length direction of the suspension longitudinal beam 303 on the two sides of the vertical plate, and the guide wheels of each group of guide wheels are connected to the suspension longitudinal beam 303 through a guide wheel support shaft; the rotating motor 321 is placed on the vertical plate; at least one of the two sets of guide wheels is a driving wheel driven by a rotating motor 321; two suspension electromagnets (301 and 302) are respectively arranged above the transverse plate of the suspension longitudinal beam 303 along the length direction of the suspension longitudinal beam 303 and opposite to the flat plate-shaped suspension rail 202, each suspension electromagnet is connected with a suspension controller for controlling the current of the suspension electromagnet, and each suspension controller receives a relative height signal of the suspension frame and the suspension rail 202 sensed by the suspension sensor.
The further technical scheme is that the first suspension electromagnet and the second suspension electromagnet are both cylindrical suspension electromagnets.
Adopt the utility model discloses a structure can realize one kind and be applicable to the sight spot sightseeing, the vehicle of the low-speed operation of application fields such as traffic between building, has simple structure, and the size is little, characteristics that the cost is low. Meanwhile, the track beam pier occupies a small area and has an independent system right of way, so that the cost of engineering construction can be effectively reduced.
Drawings
Fig. 1 is a three-dimensional schematic diagram of the overall structure of the system.
Fig. 2 is a sectional view of the entire structure of the system.
Fig. 3 is a side view of the overall structure of the system.
Fig. 4 is a three-dimensional schematic view of the suspended components within the box girder.
Fig. 5 is a schematic cross-sectional view of a cylindrical electromagnet.
Detailed Description
The utility model relates to a single-track system suspension type maglev train system based on flat suspension rail, mainly used scenic spot sightseeing, fields such as traffic between building belong to little miniature maglev train.
Referring to fig. 1, a single-track suspension type maglev train system based on a flat suspension track is composed of four parts, namely a support column 1, a track box girder 2, a suspension frame 3 and a train body 4. The support column is fixed on ground, and the track case roof beam is fixed on the support column, and the suspension is installed in the track case roof beam, provides the restraint in the direction of height by spacing roof beam. The vehicle body is fixed on the suspension frame. In the system, the supporting columns and the track box girders are fixed components, and the suspension frame and the vehicle body are moving components. The plate-shaped suspension rail in the rail box girder and the cylindrical suspension electromagnet on the suspension frame interact to provide suspension suction force to realize the suspension function.
As shown in fig. 2, 3 and 4, the supporting column is composed of a vertical column 101, a stay cable 102 and a foundation 103, and the supporting column is elevated to carry the whole system.
The track box girder consists of a box girder box body 201, a suspension rail 202, a limiting beam 203 and a guide rail 204. The box girder box body 201 is fixed on the support column, the plate-shaped suspension rail 202 with good magnetic conductivity is fixed on the upper top surface inside the box body to provide a magnetic circuit for the cylindrical suspension electromagnets (301 and 302), the limiting beams are arranged at the lower positions of the two sides of the rail box girder, when the suspension frame is not floated, the limiting beams provide support, and the guide rails 204 are arranged at the middle positions of the two sides of the rail box girder and are in contact with the guide wheels 320 of the suspension frame to provide anti-side rolling force and driving friction force.
The suspension frame is composed of cylindrical suspension electromagnets (301 and 302), a suspension longitudinal beam 303, a guide wheel support shaft 304, a battery 305, two suspension sensors (311 and 312), two suspension controllers (313 and 314), four guide wheels and a rotating motor 321. Cylindrical suspension electromagnets (301 and 302) are fixed at two ends of the suspension longitudinal beam 303, wherein control current connected to the electromagnet 301 is provided by a suspension controller 313, control current connected to the electromagnet 302 is provided by a suspension controller 314, and the two suspension controllers are fixed on the suspension longitudinal beam 303. The suspension sensor 311 provides a suspension height value for the suspension controller 313, the suspension sensor 312 provides a suspension height value for the suspension controller 314, the two suspension sensors are fixed on corresponding suspension electromagnets, the guide wheel support shaft 304 is fixed on a suspension longitudinal beam and comprises a hydraulic component and a spring component which pushes the guide wheel 320 fixed on the hydraulic component to press on the guide rail 204, two driving wheels of the four guide wheels are driven by a rotating motor 321, the suspension controller (313, 314) controls input current accessed to the electromagnets according to the received suspension height, and the suspension function of the suspension frame is realized. Batteries 305 are mounted on the levitation stringers to provide power for levitation and actuation of the system.
The train unit is composed of a secondary suspension system 402 and a train body 401, and provides a passenger space. Cylindrical suspension electromagnets (301 and 302) are fixed at two ends of the suspension longitudinal beam 303, are controlled by respective suspension controllers to realize suspension, and are coupled with each other through the suspension longitudinal beam 303 to realize the function of anti-rolling along the track direction.
As shown in the cross-sectional schematic and actual size diagram of the cylindrical electromagnet 301 in fig. 5, the cross-sectional dimension of the intermediate iron core 331, the outer cylinder 332, the coil 333, the flat plate-shaped suspension rail is 300mm x 30mm, the diameter of the intermediate iron core of the cylindrical suspension electromagnet is 40mm, the material is Q235, the cross-sectional dimension of the electromagnet filled copper wire is 110mm x 160mm, the wall thickness of the outer cylinder of the electromagnet is 20, and the material is Q235.
The filling rate of copper wires in the electromagnets is selected to be 60%, the mode that the maximum current of 3A passes through each square millimeter is selected, and the electromagnetic resultant force between the two suspension electromagnets and the suspension rail is 34650N which can be converted into 3465Kg through finite element simulation analysis. The weight of the suspension and the vehicle body is borne by the electromagnetic force provided by the suspension electromagnet, wherein the total weight of the suspension is about 900Kg, the total weight of the vehicle body is about 1100Kg, the vehicle body of the embodiment is designed with a space for a driver and four passengers, and the load is set to be 600Kg, so that the total suspended weight is 2600Kg and less than 3465 Kg.
From the above analysis, it is known that the electromagnet can provide a levitation force that meets the requirements. When the suspension controller provides current with proper magnitude, the suspension suction force generated by the electromagnet is equal to the dead weight of the suspension frame and the vehicle body, and the suspension function can be realized, and the basis of the current magnitude controlled by the suspension controller comes from the measured value of the suspension sensor. When the suspension device is used, a ground remote control mode provides an instruction or a driver in the vehicle body provides an operation instruction through operation, and the suspension controller controls the current on the suspension electromagnet coil, so that the suction force between the electromagnet and the suspension rail is changed, the attraction force is balanced with the self weight of the whole suspension frame and the vehicle body, and the suspension function is realized. The rotary motor drives the two driving guide wheels to rotate, and the driving function of the system is realized by utilizing the friction force generated between the driving guide wheels and the guide rails. Compared with a traditional suspension type train system, the rubber wheel under the structure has small burden, is beneficial to prolonging the service life and reducing the maintenance cost.
To sum up, the utility model relates to a single track system suspension type maglev train system based on dull and stereotyped suspension rail, entire system have simple structure, small-size, low-cost characteristics. The passenger transport demand under the low-speed running conditions of scenic spot sightseeing, traffic between buildings and the like can be served.
Claims (4)
1. A single-rail suspension type magnetic suspension train system based on a flat plate-shaped suspension rail comprises a single-rail suspension rail suspended and supported by support pillars and train units running on the rail, and is characterized in that the suspension rail is provided with a rail box girder (2) fixedly connected to each support pillar and extending along a running path; the track box girder (2) is provided with a box girder box body (201) and a suspension rail (202) arranged on the inner side of the box body; the box girder box body is provided with a top plate and side plates which are respectively vertical to two sides of the top plate; a flat plate-shaped suspension rail (202) is fixedly connected to the top plate between the side plates; the inner sides of the side plates are respectively and symmetrically provided with a limiting beam; a guide rail is arranged on the inner side of the side plate below the limiting beam;
the train unit is provided with a train body (4) and a suspension frame (3), wherein the train body (4) is connected to the suspension frame (3) through a secondary suspension system (402) on the train body; the suspension frame (3) is provided with a suspension longitudinal beam (303), the cross section of the suspension longitudinal beam (303) is T-shaped and comprises a transverse plate and a vertical plate; the transverse plate is positioned above the limit beam of the box beam box body (201) and the width of the transverse plate is greater than the width of a middle gap of the limit beam; a front group of guide wheels and a rear group of guide wheels are respectively arranged along the two sides of the vertical plate in the length direction of the suspension longitudinal beam (303), and the guide wheels of each group of guide wheels are connected to the suspension longitudinal beam (303) through guide wheel support shafts; the rotating motor (321) is arranged on the vertical plate; at least one of the two groups of guide wheels is a driving wheel driven by a rotating motor (321); two suspension electromagnets are respectively arranged above the transverse plate of the suspension longitudinal beam (303) and opposite to the flat plate-shaped suspension rail (202) in the length direction of the suspension longitudinal beam (303), each suspension electromagnet is connected with a suspension controller for controlling the current of the suspension electromagnet, and each suspension controller receives a relative height signal of the suspension frame and the suspension rail (202) sensed by the suspension sensor.
2. The monorail system suspended magnetic levitation train system based on the flat levitation rail as claimed in claim 1, wherein said two levitation electromagnets are cylindrical levitation electromagnets.
3. The monorail-based suspended magnetic levitation train system as claimed in claim 1, wherein the guide wheel supporting shaft is provided with a hydraulic unit or a spring unit for attaching the guide wheel to the surface of the guide rail.
4. The single-track suspended magnetic levitation train system based on the plate-shaped levitation rail as claimed in claim 2, wherein the cylindrical levitation electromagnet and the plate-shaped levitation rail are coupled for suspended magnetic levitation, and one train unit is provided with two cylindrical levitation electromagnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906518.XU CN210363398U (en) | 2019-06-17 | 2019-06-17 | Single-rail suspension type magnetic suspension train system based on flat plate-shaped suspension rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906518.XU CN210363398U (en) | 2019-06-17 | 2019-06-17 | Single-rail suspension type magnetic suspension train system based on flat plate-shaped suspension rail |
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| CN210363398U true CN210363398U (en) | 2020-04-21 |
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| CN201920906518.XU Active CN210363398U (en) | 2019-06-17 | 2019-06-17 | Single-rail suspension type magnetic suspension train system based on flat plate-shaped suspension rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182061A (en) * | 2019-06-17 | 2019-08-30 | 山西中海威轨道交通工程有限公司 | A kind of monorail suspension type maglev train system based on plate shaped suspension rail |
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2019
- 2019-06-17 CN CN201920906518.XU patent/CN210363398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182061A (en) * | 2019-06-17 | 2019-08-30 | 山西中海威轨道交通工程有限公司 | A kind of monorail suspension type maglev train system based on plate shaped suspension rail |
| CN110182061B (en) * | 2019-06-17 | 2024-01-26 | 山西中海威轨道交通工程有限公司 | Single-rail suspension type maglev train system based on flat-plate-shaped suspension rail |
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