CN210390796U

CN210390796U - Laminated electromagnetic suspension system for suspension type maglev train

Info

Publication number: CN210390796U
Application number: CN201920906914.2U
Authority: CN
Inventors: 皇甫贵田; 李俊叶
Original assignee: Shanxi Zhonghai Weiwei Rail Transit Engineering Co ltd
Current assignee: Shanxi Zhonghai Weiwei Rail Transit Engineering Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-24
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a range upon range of formula electromagnetic suspension system for suspension type maglev train, include the monorail formula suspension rail that hangs the support by the support column and the train unit of operation on the rail, be provided with two suspension rails (211) and lower suspension rail (212) on track case roof beam (2) according to range upon range of mode on the suspension rail that falls U-shaped promptly. The purpose of improving the suspension capacity of the suspension system in unit length is realized by the way of electromagnet stacking arrangement. The suspension type maglev train adopting the suspension system has the characteristics of small size, low cost and strong load-carrying capacity, 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 traffic systems, and has wide application prospect.

Description

Laminated electromagnetic suspension system for suspension type maglev train

Technical Field

The utility model relates to a track traffic technical field, in particular to range upon range of formula electromagnetism suspension system for suspension type maglev train.

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 type traffic is realized by adopting a magnetic suspension mode, direct mechanical contact between the vehicle and the track can be completely avoided by adopting a vehicle suspension and non-contact driving mode, so that mechanical impact and abrasion between the rubber wheels and the track running surface are avoided; in addition, in order to save the floor space, the suspension box girder of the suspension type maglev train is desired to be as narrow as possible, and the single suspension rail can be easier to realize a narrower size than the double suspension rails, but the suspension capacity after the single suspension rail is adopted is reduced. At present, no actual suspension type maglev test vehicle and engineering vehicle exist, and the suspension type maglev train with various standards is researched and developed, so that the suspension type maglev test vehicle is urgent and beneficial to diversified transportation and future transportation mode exploration.

SUMMERY OF THE UTILITY MODEL

In view of the above insufficiency of the prior art, the present invention aims to provide an electromagnetic suspension system with a relatively narrow suspension box girder and a relatively improved suspension capability, and the electromagnetic suspension system has the specific characteristics of simple and compact structure, small size and strong suspension capability.

The technical scheme of the utility model as follows.

A stacked electromagnetic levitation system for a suspended magnetic-levitation train includes a single-track levitation rail suspended and supported by support columns and a train unit running on the rail, the levitation rail having track box beams 2 fixedly attached to the support columns and extending along a running path. Wherein, two inverted U-shaped suspension rails, namely an upper suspension rail 211 and a lower suspension rail 212, are arranged on the track box girder 2 in a stacking manner; the inner side wall of the lower part of the track box girder is provided with a guide wheel guide rail 213; the suspension longitudinal beam 122 with the T-shaped cross section is arranged along the track direction, the lower end of the suspension longitudinal beam is connected with the train unit body 3 in a hanging way through a hanging mechanism, and the upper end of the suspension longitudinal beam is fixedly connected with two suspension electromagnet groups which are arranged front and back along the track direction through a suspension connecting plate 120 on the suspension longitudinal beam; the two groups of suspension electromagnet groups are both of a laminated structure: the upper suspension electromagnet and the lower suspension electromagnet are respectively arranged below the upper suspension rail and the lower suspension rail in an up-down stacking mode, and suspension gaps are reserved between the suspension electromagnets and the suspension rails; two sides of the suspension longitudinal beam 122 are provided with a front group of guide wheels and a rear group of guide wheels which can drive to travel along the guide wheel guide rails 213; each suspension electromagnet is provided with an excitation device and an air gap height sensing device which are powered by batteries.

Furthermore, the suspension electromagnets are all U-shaped suspension electromagnets. And the suspension gap between the suspension electromagnet and the suspension rail is equal.

Adopt the utility model discloses a structure fixes two sets of suspension electro-magnet interact on the suspension connecting plate, can overcome the side roll power along track direction, and the side roll power along track cross section direction is eliminated by the leading wheel of installing on the suspension longeron. The suspension type magnetic suspension vehicle can be used for serving a suspension type magnetic suspension vehicle which is suitable for low-speed operation in application fields of scenic spot sightseeing, traffic between buildings and the like, and has the characteristics of simple structure, small size and strong suspension capacity. 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 sectional view of the entire structure of the system.

Fig. 2 is a side view of the overall structure of the system.

Fig. 3 is a three-dimensional schematic diagram of a stacked electromagnetic levitation structure.

Figure 4 is a schematic cross-sectional view of a U-shaped electromagnet.

FIG. 5 is an isometric view of a stacked electromagnetic levitation structure.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a range upon range of formula electromagnetic suspension system for suspension type maglev train arranges to install in suspension type maglev train system gets track case roof beam 2, and track case roof beam is fixed on support column 4, and support column 4 is fixed on ground, and 41 is the suspension wire rope. The vehicle body 3 is a moving part, and its own weight and load are borne by the levitation force provided by the levitation system. The suspension system is designed to be of a stacked type and consists of an upper layer and a lower layer, wherein the upper layer of suspension rail and the lower layer of suspension rail are both of inverted U-shaped structures and are fixed on the track box girder and are fixed parts. The movable parts driving the vehicle body 3 to realize the suspension function of the vehicle body are an inverted U-shaped suspension rail and a U-shaped suspension electromagnet, and the interaction of the movable parts provides suspension suction to realize the suspension function.

The suspension system comprises two inverted U-shaped suspension rails (211 and 212) which are fixed on the track box girder 2 and are arranged in a stacking mode, and the upper ends of the suspension longitudinal beams 122 are fixedly connected with two suspension electromagnet groups which are arranged in the front and back direction of the track through suspension connecting plates 120 on the suspension longitudinal beams. Wherein, the front suspension electromagnet group consists of an upper suspension electromagnet 101 and a lower suspension electromagnet 103; the rear suspension electromagnet group is composed of an upper suspension electromagnet 102 and a lower suspension electromagnet 104; the upper suspension electromagnets (101 and 102) are positioned at the upper layer and correspond to the suspension rail 211, and the lower suspension electromagnets (103 and 104) are positioned at the lower layer and correspond to the suspension rail 212. The upper suspension electromagnets (101 and 103) are controlled by a first suspension controller 140; the levitation gap monitoring required by the first levitation controller 140 is provided by the first levitation sensor 150. The lower levitation electromagnets (102 and 104) are controlled by the second levitation controller 141, and the levitation gap required by the second levitation controller 141 is monitored and provided by the second levitation sensor 151.

The levitation gaps between the levitation electromagnets and the levitation rails are substantially equal, and as shown in the embodiment of fig. 5, the installation gap a between the upper electromagnet 101 and the upper levitation rail 211 is equal to the installation gap B between the lower electromagnet 103 and the lower levitation rail 113. The installation clearance between the lower suspension electromagnet and the suspension rail is equal to that between the lower suspension electromagnet and the suspension rail.

Two groups of suspension electromagnets fixed on the suspension connecting plate interact with each other to overcome the side rolling force along the track direction, and the side rolling force along the cross section direction of the track is eliminated by guide wheels arranged on the suspension longitudinal beams.

Fig. 4 shows the position and size relationship between each suspension electromagnet and the suspension rail, the cross-sectional dimensions of the upper and lower layers of inverted U-shaped suspension rails are both 200mm long, 55mm wide and 25mm wide, the cross-sectional dimensions of the corresponding U-shaped electromagnets of the upper and lower layers are both 200mm long, 125mm wide and 25mm wide, the length of a single electromagnet is 1000mm, the materials of the suspension rail and the suspension iron are both Q235, the cross-sectional dimensions of the electromagnet coil (1011 and 1031) filled with copper wire are 100mm 150mm, the filling rate of the copper wire in the electromagnet is 60%, the maximum current passing mode of 1.6A per square millimeter is selected, the suspension air gap is selected to be 8mm, the resultant electromagnetic force between the four suspension electromagnets and the suspension rail is 73124N through simulation analysis, and the resultant electromagnetic force can be converted to 7312 Kg. The weight of the suspension system and the vehicle body is borne by the electromagnetic force provided by the suspension electromagnet, wherein the total weight of the suspension frame is about 2100Kg, 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 weight of the whole suspension is 3800Kg and far less than 7312 Kg.

From the above analysis, it is known that an electromagnetic levitation system using a stacked design can provide sufficient levitation force. 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.

To sum up, the utility model relates to a range upon range of formula electromagnetism suspension system for suspension type maglev train, entire system have simple structure, characteristics of small-size, high suspension ability. The passenger transport demand under the low-speed running conditions of scenic spot sightseeing, traffic between buildings and the like can be served.

Claims

1. A laminated electromagnetic suspension system for a suspension type maglev train comprises a single-rail type suspension rail suspended and supported by support columns and train units running on the rail, wherein the suspension rail is provided with a rail box girder (2) fixedly connected to each support column and extending along a running path, and the laminated electromagnetic suspension system is characterized in that two inverted U-shaped suspension rails, namely an upper suspension rail (211) and a lower suspension rail (212), are arranged on the rail box girder (2) in a laminated manner; a guide wheel guide rail (213) is arranged on the inner side wall of the lower part of the track box girder; the suspension longitudinal beam (122) with a T-shaped cross section is arranged along the track direction, the lower end of the suspension longitudinal beam is connected with the train unit body (3) in a hanging mode through a hanging mechanism, and the upper end of the suspension longitudinal beam fixedly connects two suspension electromagnet groups which are arranged in front of and behind the track direction through a suspension connecting plate (120) on the suspension longitudinal beam; the two groups of suspension electromagnet groups are both of a laminated structure: the upper suspension electromagnet and the lower suspension electromagnet are respectively arranged below the upper suspension rail and the lower suspension rail in an up-down stacking mode, and suspension gaps are reserved between the suspension electromagnets and the suspension rails; two sides of the suspension longitudinal beam (122) are provided with a front group of guide wheels and a rear group of guide wheels which can drive to travel along guide wheel guide rails (213); each suspension electromagnet is provided with an excitation device and an air gap height sensing device which are powered by batteries.

2. The stacked electromagnetic levitation system for a suspended magnetic-levitation train as recited in claim 1, wherein said levitation electromagnets are U-shaped levitation electromagnets.

3. The stacked electromagnetic levitation system for a suspended magnetic-levitation train of claim 1, wherein the levitation gap between each of the levitation electromagnets and the levitation rail is equal.