CN210390798U - Single-rail suspension type magnetic suspension train system based on inverted U-shaped suspension rail - Google Patents
Single-rail suspension type magnetic suspension train system based on inverted U-shaped suspension rail Download PDFInfo
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- CN210390798U CN210390798U CN201920909762.1U CN201920909762U CN210390798U CN 210390798 U CN210390798 U CN 210390798U CN 201920909762 U CN201920909762 U CN 201920909762U CN 210390798 U CN210390798 U CN 210390798U
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Abstract
The utility model discloses a monorail system suspension type maglev train system based on suspension rail of falling U-shaped, 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. 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 suspension function is realized by providing suspension suction through the interaction of the inverted U-shaped suspension rail in the rail box girder and the U-shaped suspension electromagnet on the suspension frame. 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 track system suspension type maglev train system based on suspension rail of falling U-shaped.
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, the problem can be considered to be optimized through three approaches: firstly, the vehicle is completely free of direct mechanical contact with the rail in a suspension and non-contact driving mode of the vehicle, so that mechanical impact and abrasion of rubber wheels and a rail running surface are avoided; 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 friction 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 mode, the utility model provides a single track system suspension type maglev train system based on suspended rail of falling U-shaped, its characteristics are simple structure is compact, 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 electromagnetic suspension train system based on an inverted U-shaped suspension rail comprises a single-rail suspension rail suspended and supported by support 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 box body is provided with a top plate and side plates which are respectively vertical to two sides of the top plate; the inverted U-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 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 are connected to the suspension longitudinal beam 303 through guide wheel support shafts; 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 U-shaped suspension electromagnets (301 and 302) are respectively arranged above the transverse plate of the suspension longitudinal beam 303 and opposite to the inverted U-shaped suspension rail 202 along the length direction of the suspension longitudinal beam 303, each U-shaped suspension electromagnet is connected with a suspension controller for controlling the current of the U-shaped 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.
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.
Figure 5 is a schematic cross-sectional view of a U-shaped electromagnet.
Detailed Description
The utility model discloses single-track system suspension type maglev train system based on suspension rail of falling U-shaped, mainly used scenic spot sightseeing, fields such as traffic between building belong to little miniature maglev train.
Referring to fig. 1, the single-track suspension type maglev train system based on the inverted U-shaped 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 suspension function is realized by the interaction of the flat suspension rail in the rail box girder and the U-shaped suspension electromagnet on the suspension frame.
As shown in fig. 2, 3 and 4, the support column is composed of a vertical column 101, a stay cable 102 and a foundation 103), and the support column is elevated to carry the whole system.
The track box girder consists of a box girder box body 201, an inverted U-shaped suspension rail 202, a limiting beam 203 and a guide rail 204. The box girder box 201 is fixed on the support column, the inverted U-shaped suspension rail 202 is fixed on the upper top surface in the box, the magnetic conductivity is good, a magnetic circuit is provided for the U-shaped suspension electromagnet (301 and 302), the limiting beam 203 is arranged at the lower positions of the two sides of the rail box girder, when the suspension frame is not floated, the supporting is provided by the limiting beam, the guide rail 204 is arranged at the middle positions of the two sides of the rail box girder and is in contact with the guide wheel 320 of the suspension frame, and the anti-side-rolling force and the driving friction force are provided.
The suspension frame is composed of U-shaped suspension electromagnets (301 and 302), suspension longitudinal beams 303, a guide wheel support shaft 304, a battery 305, suspension sensors (311 and 312), suspension controllers (313 and 314), a guide wheel 320 and a rotating motor 321. U-shaped suspension electromagnets (301 and 302) are fixed at two ends of a suspension longitudinal beam 303, wherein control current accessed by the U-shaped suspension electromagnet 301 is provided by a suspension controller 313, control current accessed by the U-shaped suspension electromagnet 302 is provided by a suspension controller 314, the two suspension controllers are fixed on the suspension longitudinal beam 303, a suspension sensor 311 provides a suspension height value for the suspension controller 313, a suspension sensor 312 provides a suspension height value for the suspension controller 314, the two suspension sensors are fixed on the corresponding suspension electromagnets, four guide wheel supporting shafts 304 are fixed on the suspension longitudinal beam 303, a hydraulic component and a spring component are included, a guide wheel 320 fixed on the guide rail 204 is pushed to press on the guide rail 204, two driving wheels in the four guide wheels are driven by a rotating motor 321, the four driving wheels have the functions of resisting transverse side rolling of a suspension frame and driving the vehicle body to run, and the suspension controllers (313 and 314) are used for driving the vehicle body to run according to the received suspension, the input current of the electromagnet is controlled to realize the suspension function of the suspension bracket. 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. U-shaped suspension electromagnets (301 and 302) are fixed at two ends of a 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. The single-rail system means that only one suspension rail of the whole suspension system is provided, namely a single inverted U-shaped suspension rail 202 arranged at the central position of the upper top surface in the track box girder 2.
As shown in fig. 5, a schematic cross-sectional view and an actual size diagram of an embodiment of a U-shaped suspension electromagnet, a U-shaped iron core 331, a suspension air gap 332, a coil 333, a reversed U-shaped suspension rail 202 having a cross-sectional size of 200mm in length, 55mm in width, and 25mm in magnetic pole width, a corresponding U-shaped suspension electromagnet having a cross-sectional size of 200mm in length, 125mm in width, and 25mm in magnetic pole width, a single electromagnet having a length of 1000mm, the suspension rail and the suspension iron being made of Q235, the cross-sectional size of a copper wire filled in the electromagnet coil being 100mm x 150mm, the filling rate of the copper wire in the electromagnet being 60%, the maximum current passing 1.6A per square millimeter being selected, the suspension air gap 332 being selected to be 8mm, the resultant electromagnetic force between the two suspension electromagnets and the suspension rail being 36562N and convertible to 3656Kg by 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 1200Kg, the total weight of the vehicle body is about 1100Kg, the vehicle body 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 2900Kg and less than 3656 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 suspension rail of falling U-shaped, entire system has 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 (2)
1. A single-rail suspension type magnetic suspension train system based on an inverted U-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; the inverted U-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 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 U-shaped suspension electromagnets (301 and 302) are respectively arranged above a transverse plate of the suspension longitudinal beam (303) and opposite to the inverted U-shaped suspension rail (202) in the length direction of the suspension longitudinal beam (303), each U-shaped 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 inverted U-shaped levitation rail as claimed in claim 1, wherein the U-shaped levitation electromagnet and the inverted U-shaped levitation rail (202) form a suspended magnetic levitation coupling, and two U-shaped levitation electromagnets are provided for one train unit.
Priority Applications (1)
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CN201920909762.1U CN210390798U (en) | 2019-06-17 | 2019-06-17 | Single-rail suspension type magnetic suspension train system based on inverted U-shaped suspension rail |
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CN201920909762.1U CN210390798U (en) | 2019-06-17 | 2019-06-17 | Single-rail suspension type magnetic suspension train system based on inverted U-shaped suspension rail |
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