CN211494031U - Suspension type train of linear drive and electromagnetism direction - Google Patents
Suspension type train of linear drive and electromagnetism direction Download PDFInfo
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- CN211494031U CN211494031U CN201922042813.8U CN201922042813U CN211494031U CN 211494031 U CN211494031 U CN 211494031U CN 201922042813 U CN201922042813 U CN 201922042813U CN 211494031 U CN211494031 U CN 211494031U
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Abstract
The utility model discloses a suspension train with linear driving and electromagnetic guiding, a reaction plate is arranged below a top plate of a track box girder, and the suspension train also comprises a first frame and a second frame which are sleeved inside the track box girder; a front linear motor and a rear linear motor are arranged above the first frame, a front guide electromagnet, a rear guide electromagnet, a guide sensor and a guide wheel set are respectively arranged on the left side and the right side of the first frame; a wheel shaft is further arranged below the first frame, two ends of the wheel shaft are respectively sleeved with vehicle supporting wheels, and the vehicle supporting wheels are placed on a running surface of the lower plate of the track box girder; the second frame has the same structure as the first frame; the lower part of the first frame is also connected to the front part of the vehicle body through a front suspension arm, and the lower part of the second frame is also connected to the rear part of the vehicle body through a rear suspension arm. The utility model discloses a structure is favorable to alleviating the wearing and tearing of current suspension type monorail train leading wheel, increases the anti side direction ability of vehicle, simplifies the vehicle structure and reduces the cost that the operation was maintained.
Description
Technical Field
The utility model relates to a transportation technical field, in particular to suspension type train of linear drive and electromagnetism direction.
Background
The suspension type train is a new type of rail transportation tool, is used as a diversified urban rail transportation system, has the advantages of small floor area, short construction period, low investment cost and the like, can serve sightseeing traffic in tourist areas, three-dimensional traffic among 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 the advantages of the suspension type 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 addition, the control of the running direction of the existing suspension type train is completed by guide wheels, the guide wheels need to contact and rub with the side surfaces of the track box girders to realize the control of the direction of the train, on one hand, the abrasion of the guide wheels can be caused, on the other hand, because the guide wheels have a gap with the side surfaces of the track box girders, the guide process can generate back and forth shaking, and all the side direction resistance of the train is poor.
At present, research on suspension type monorail trains is carried out in Germany, Japan, America and China, and the city of Guizhou Huangguoshu, Sichuan Chengdu, Tianjin coastal new area and the like in China has already been planned and constructed for projects, so that the research on the suspension type trains with optimized standards is urgent and beneficial to diversified traffic and future traffic mode exploration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a suspension type train of linear drive and electromagnetism direction.
The technical scheme of the utility model as follows:
a suspension train driven linearly and guided electromagnetically comprises a track box girder, wherein a reaction plate is arranged below a top plate of the track box girder; the rail box girder type rail car is characterized by further comprising a first car frame sleeved inside the rail box girder, a front linear motor and a rear linear motor are arranged above the first car frame, a left front guide electromagnet, a left rear guide electromagnet, a right front guide electromagnet and a right rear guide electromagnet are respectively arranged on the left side and the right side, and each guide electromagnet is provided with a guide sensor matched with the guide electromagnet; the front linear motor and the rear linear motor are close to the reaction plate, the left front guide electromagnet, the left rear guide electromagnet and the guide sensor thereof are close to the left side plate of the track box girder, and the right front guide electromagnet, the right rear guide electromagnet and the guide sensor thereof are close to the right side plate of the track box girder; the left side and the right side of the first frame are respectively provided with a guide wheel set; a wheel shaft is further arranged below the first frame, two ends of the wheel shaft are respectively sleeved with vehicle supporting wheels, and the vehicle supporting wheels are placed on a running surface of the lower plate of the track box girder; the lower part of the first frame is also connected to the front part of the vehicle body through a front suspension arm, and the lower part of the second frame is also connected to the rear part of the vehicle body through a rear suspension arm.
Furthermore, the middle parts of the upper parts of the first frame and the second frame are respectively provided with a weight-reducing electromagnet; each weight-reducing electromagnet is provided with a weight-reducing sensor matched with the weight-reducing electromagnet; and the weight reduction electromagnet and the weight reduction sensor are close to the top plate of the track box girder.
The utility model discloses a structure is favorable to alleviating the wearing and tearing of current suspension type monorail train leading wheel, increases the anti side direction ability of vehicle, simplifies the vehicle structure and reduces the cost that the operation was maintained.
Drawings
Fig. 1 is a left side schematic view of the overall system structure.
Fig. 2 is a right-side schematic view of the overall system structure.
Fig. 3 is a cross-sectional view of a linear driving portion in the overall structure of the system.
Fig. 4 is a sectional view of an electromagnetic weight reduction portion in the overall structure of the system.
FIG. 5 is a schematic diagram of two systems combined to form a completed vehicle unit.
Fig. 6 is a schematic diagram of the design of a weight-reducing electromagnet in an embodiment.
Fig. 7 is a schematic diagram of the design of the guidance electromagnet in the embodiment.
Fig. 8 is a schematic design diagram of a short stator asynchronous linear motor in an embodiment.
The reference numbers in the figures denote: a linear driving system 100, a linear driving system reaction plate 101, an asynchronous short stator linear motor 102, an asynchronous short stator linear motor 103, a linear motor controller 104, a linear motor controller 105, a linear motor stator core 106 and a linear motor stator winding 107; electromagnetic guidance system 200, guidance electromagnet 201, guidance electromagnet 202, guidance electromagnet 203, guidance electromagnet 204, guidance controller 205, guidance controller 206, guidance controller 207, guidance controller 208, guidance sensor 209, guidance sensor 210, guidance sensor 211, guidance sensor 212, guidance electromagnet pole 213, and guidance electromagnet coil 214; an electromagnetic weight reduction system 300, a weight reduction electromagnet 301, a weight reduction controller 302, a weight reduction sensor 303, a weight reduction electromagnet magnetic pole 304 and a weight reduction electromagnet coil 305; the track box girder comprises a vehicle guide wheel set 400, vehicle supporting wheels 4, a track box girder 500, a track box girder top surface 501, a track box girder walking surface 502, a frame 1, a vehicle body 2 and a suspension arm 3.
Detailed Description
The linear motor driving mode is adopted to realize the running of the suspension train, so that a mechanical transmission device can be omitted, a driving part borne by wheels in the existing system is omitted, only the supporting function is borne, the simplification of a suspension train wheel shaft system is realized, and the reliability of the suspension train wheel shaft system is improved. Meanwhile, an electromagnetic weight reduction technology is matched, the top surface part inside the suspension type train system track box girder is fully utilized, and electromagnetic attraction is utilized, so that the top surface of the box girder generates an upward acting force on a vehicle, the pressure between a rubber wheel of the vehicle and a box girder walking surface is reduced, and the effect of effectively reducing the abrasion of the rubber wheel is achieved. Meanwhile, an electromagnetic guiding mode is adopted, so that abrasion of the guide wheel can be effectively avoided, the operation and maintenance cost is reduced, sufficient lateral force resistance can be provided, and stable running of the train is guaranteed.
The specific embodiment is as follows:
as shown in fig. 1, 2, 3 and 4, the system includes a linear drive system 100, an electromagnetic guide system 200, an electromagnetic weight reduction system 300, a vehicle guide wheel set 400 and a track box girder 500. The linear driving system consists of a reaction plate 101, an asynchronous short stator linear motor 102, an asynchronous short stator linear motor 103, a linear motor controller 104 and a linear motor controller 105; the electromagnetic guidance system 200 is composed of a guidance electromagnet 201, a guidance electromagnet 202, a guidance electromagnet 203, a guidance electromagnet 204, a guidance controller 205, a guidance controller 206, a guidance controller 207, a guidance controller 208, a guidance sensor 209, a guidance sensor 210, a guidance sensor 211 and a guidance sensor 212; the electromagnetic weight reduction system 300 is composed of a weight reduction electromagnet 301, a weight reduction controller 302, and a weight reduction sensor 303. The reaction plate 101 is fixed in the middle of the upper surface in a track box girder 500 of a suspension type monorail vehicle system, asynchronous short stator linear motors 102 and 103 are installed on the upper portion of a frame of the suspension type monorail vehicle and correspond to the reaction plate 101 in position, and linear motor controllers 104 and 105 are installed on the frame of the suspension type monorail vehicle; the guide electromagnets 201, 202, 203 and 204 are respectively fixed at four corners of the side surface of the frame of the suspension type monorail vehicle and correspond to the left inner side surface and the right inner side surface of the track box girder 500, and a guide controller and a guide sensor of the electromagnetic guide system 200 are both arranged on the frame of the suspension type monorail vehicle; the weight reduction electromagnet 301 is installed on the upper portion of the frame of the suspension type monorail vehicle and corresponds to the upper surface in the track box girder 500, and a weight reduction controller and a weight reduction sensor of the electromagnetic weight reduction system 300 are installed on the frame of the suspension type monorail vehicle. The vehicle guide wheel sets 400 are fixed on both sides of the frame of the suspended monorail vehicle.
The reaction plate 101 installed on the inner upper surface of the track box girder 500 is made of diamagnetic conductive material, and the track box girder 500 is made of magnetic conductive material.
The linear driving system 100 provides walking and conventional braking power for the suspended monorail vehicle, the running posture of the vehicle is controlled by the electromagnetic guiding system 200, the pressure on the tires of the vehicle can be reduced through the electromagnetic weight reduction system 300, the vehicle guiding wheel set 400 can play a role in protection, and the suspended monorail vehicle can be used for emergency guiding under the condition that the electromagnetic guiding system 200 breaks down.
The asynchronous short stator linear motors 102 and 103 generate driving force through electromagnetic action with the reaction plate 101 to drive the suspended monorail vehicle to run, and the driving force is realized by controlling the input current, frequency and phase sequence through linear motor controllers 104 and 105.
The four guiding electromagnets 201, 202, 203 and 204 can generate attraction with the inner side surface of the track box girder 500 through electromagnetic action, the guiding controller can control the size of the attraction between the guiding electromagnets and the track box girder according to the distance value collected by the guiding sensor, when the distance value collected by a certain guiding sensor is larger than the rated distance range, the electromagnetic attraction of the corresponding guiding electromagnet is increased, when the distance value collected by a certain guiding sensor is smaller than the rated distance range, the electromagnetic attraction of the corresponding guiding electromagnet is reduced, the four guiding electromagnets act together, and the function of adjusting the running posture of the vehicle frame can be realized.
The weight-reducing electromagnet 301 generates electromagnetic attraction force through electromagnetic action with the surface of the track box girder 500, and the weight-reducing controller 302 can control the magnitude of the attraction force between the weight-reducing electromagnet 301 and the track box girder 500 according to the distance value collected by the weight-reducing sensor 303. In consideration of factors of irregularity of an actual line, installation errors of a track box girder and line settlement, in the actual operation process, the distance value between a weight reducing electromagnet and the inner upper surface of the track box girder is not fixed and unchanged, when the distance value acquired by a weight reducing sensor is larger than a rated distance value, the suction force between the weight reducing electromagnet and the track box girder is increased, when the distance value acquired by the weight reducing sensor is smaller than the rated distance value, the suction force between the weight reducing electromagnet and the track box girder is reduced, and the acting force between wheels of a suspension type monorail vehicle system and the track box girder can be reduced through the suction force generated by the weight reducing electromagnet, so that the weight reducing purpose is achieved.
As shown in fig. 5, by combining two suspended vehicles and two linear driving and electromagnetic guiding systems for the suspended vehicles, adding a suspension arm at the lower part of each vehicle, and then fixing the carriage through the suspension arm, a complete suspended train unit capable of being used for marshalling can be realized for passenger carrying operation.
As shown in fig. 6, 7 and 8, the cross-sectional dimension of the rail box girder is 780mm 1100mm, the plate thickness is 15mm (except for the thickness of the top plate of 25 mm), the length is 30m, and the material is Q235; the cross section of the reaction plate is 400mm 4mm, the length is 30m, and the materials are all aluminum; the weight-reducing electromagnet is of a mountain shape, the cross section size is 650mm x 200mm, the thicknesses of two side electrode plates are 25mm, the thickness of a middle electrode plate is 50mm, the length is 1m, the material is Q235, the coil material is copper, the filling rate is 0.6, and the working air gap is 8 mm; the asynchronous short-stator linear motor has the advantages that the width of an iron core is 240mm, the pole pitch is 216mm, the number of poles of the motor is 8, the length of the motor is 1900mm, the number of slots of each pole is 3, the total number of slots is 80, the air gap flux density is 0.18T, the equivalent air gap is 19mm, the winding material is copper, and the iron core is made of silicon steel sheets; the cross-sectional dimension of the guide electromagnet is 150mm x 150mm, the plate thickness is 15mm, the length is 300mm, the material is Q235, the coil material is copper, the filling rate is 0.6, and the working air gap is 6 mm.
The results of thrust, gravity reduction and guiding force of the system under the condition of the above design parameters are obtained through finite element simulation analysis and are shown in the following table.
| Type of component | Output force (Unit N) | Remarks for note |
| Asynchronous short stator linear motor | 5460 | Thrust force |
| Weight-reducing electromagnet | 52399 | Gravity reduction |
| Guiding electromagnet | 7672 | Guiding force |
From the above table, for the single suspended vehicle linear driving and electromagnetic guiding system, the two linear motors can provide 10920N thrust, one weight-reducing electromagnet thereof can provide 52399N gravity-reducing force, and the single guiding electromagnet thereof can provide 7672N guiding force.
Referring to fig. 5, the linear driving and electromagnetic guiding systems of two suspended vehicles can be combined into a suspended train unit, the total thrust can reach 21840N, which is approximately equivalent to 2184Kg, and the total weight-reducing force can reach 104798N, which is approximately equivalent to 10480 Kg.
According to the analysis, the method of linear driving, electromagnetic weight reduction and electromagnetic guiding is adopted, the pressure of the rubber wheel can be effectively relieved, the service life of the rubber wheel is prolonged, meanwhile, the mechanical structure of the vehicle can be simplified, and by adding the electromagnetic guiding, the guide wheel in the existing vehicle is changed into the safety protection wheel, almost no contact friction exists, and the operation and maintenance cost is effectively reduced.
In conclusion, the linear driving and electromagnetic guiding system for the suspension type vehicle has the characteristics of simple structure and low operation and maintenance cost, and can well meet the requirements of urban auxiliary traffic, tourist areas and inter-building traffic.
Claims (2)
1. A suspension type train driven linearly and guided electromagnetically is characterized by comprising a track box girder (500), wherein a reaction plate (101) is arranged below a top plate of the track box girder (500); the track box girder type rail car is characterized by further comprising a first car frame sleeved inside the track box girder (500), a front linear motor (102) and a rear linear motor (103) are arranged above the first car frame, a left front guide electromagnet (203), a left rear guide electromagnet (204), a right front guide electromagnet (202) and a right rear guide electromagnet (201) are respectively arranged on the left side and the right side of the first car frame, and each guide electromagnet is provided with a guide sensor matched with the guide electromagnet; the front linear motor (102) and the rear linear motor (103) are close to the reaction plate (101), the left front guide electromagnet (203), the left rear guide electromagnet (204) and a guide sensor thereof are close to a left side plate of the track box beam (500), and the right front guide electromagnet (202), the right rear guide electromagnet (201) and a guide sensor thereof are close to a right side plate of the track box beam (500); the left side and the right side of the first frame are respectively provided with a guide wheel set (400); a wheel shaft is further arranged below the first frame, two ends of the wheel shaft are respectively sleeved with vehicle supporting wheels, and the vehicle supporting wheels are placed on a running surface of a lower plate of the track box beam (500);
the lower part of the first frame is also connected to the front part of the vehicle body through a front suspension arm, and the lower part of the second frame is also connected to the rear part of the vehicle body through a rear suspension arm.
2. A linearly driven and electromagnetically guided suspended train as claimed in claim 1, wherein said first frame and said second frame are further provided with weight-reducing electromagnets (301) respectively in upper middle portions thereof; each weight-reducing electromagnet (301) is provided with a weight-reducing sensor (303) matched with the weight-reducing electromagnet; the weight-reducing electromagnet (301) and the weight-reducing sensor (303) are close to the top plate of the track box girder (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042813.8U CN211494031U (en) | 2019-11-24 | 2019-11-24 | Suspension type train of linear drive and electromagnetism direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042813.8U CN211494031U (en) | 2019-11-24 | 2019-11-24 | Suspension type train of linear drive and electromagnetism direction |
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| Publication Number | Publication Date |
|---|---|
| CN211494031U true CN211494031U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922042813.8U Active CN211494031U (en) | 2019-11-24 | 2019-11-24 | Suspension type train of linear drive and electromagnetism direction |
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| Country | Link |
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| CN (1) | CN211494031U (en) |
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- 2019-11-24 CN CN201922042813.8U patent/CN211494031U/en active Active
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