CN215398193U

CN215398193U - High-speed suspension structure of large-traction inclined widened suspension electromagnet

Info

Publication number: CN215398193U
Application number: CN202122039743.8U
Authority: CN
Inventors: 高黎明; 刘国清; 温建民; 张昆仑; 吴杰; 王滢; 张雷
Original assignee: Southwest Jiaotong University; China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: Southwest Jiaotong University; China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-04
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a high-speed suspension structure of a large-traction inclined widened suspension electromagnet, which comprises a supporting beam; two suspension frames are arranged on the supporting beam in a suspension manner, long linear synchronous motor stators are symmetrically arranged on opposite side surfaces of the top of the supporting beam, and linear motor rotors matched with the long linear synchronous motor stators are symmetrically arranged on the two suspension frames; the long stator of the linear synchronous motor comprises a stator lamination, a plurality of tooth grooves are formed in the stator lamination, and stator windings are contained in the tooth grooves; the linear motor rotor comprises a suspension electromagnet, a plurality of grooves are formed in the suspension electromagnet, and excitation windings are arranged in the grooves. The linear synchronous motor long stator of the side of the top of the supporting beam and the linear motor rotor on the suspension frame are matched, so that the functions of driving, suspending and guiding can be realized simultaneously, the space utilization rate is greatly increased, the dead weight of a vehicle is reduced, and the running cost is reduced.

Description

High-speed suspension structure of large-traction inclined widened suspension electromagnet

Technical Field

The utility model belongs to the technical field of transportation, and particularly relates to a high-speed suspension structure of a large-traction inclined widening suspension electromagnet.

Background

The high-speed magnetic suspension train is praised as an ideal tool for ground traffic in twenty-first century, is suitable for long-distance and large-flow high-speed passenger transportation in large cities, meets the requirements of national conditions and future high-speed passenger transportation traffic development, and has the main advantages that:

1. the speed is high, the speed is the only ground transportation tool which can reach 500km/h at present, and the space for further speed increase is still provided because the train and the track run without contact;

2. the energy consumption is low, and the energy consumption of an average single seat of the high-speed magnetic suspension train is reduced by more than 30 percent compared with that of a high-speed wheel-rail train at the same speed;

3. the climbing capacity is strong, the turning radius is small, the climbing capacity of the high-speed magnetic suspension train can reach 10%, and the turning radius of the high-speed wheel-rail train is 4%, and the turning radius of the high-speed wheel-rail train is smaller at the same speed, so that the line selection is more convenient;

4. the safety is good, the riding is comfortable, the high-speed magnetic suspension train is not easy to derail, the safety is 250 times of that of the common wheel-rail train, the vibration is small, and the comfort is good;

5. the environmental pollution is small, the equivalent carbon dioxide emission of the high-speed maglev train is 80 percent of that of the wheel-rail train, and the noise is small;

6. the maintenance cost is low, the high-speed maglev train runs without abrasion when working, and the maintenance cost of the whole system is 34 percent of that of the wheel-rail train.

In the process of localization, the guiding technology is still a difficult problem to overcome, in the existing high-speed maglev train, a method that a guiding system is separated from a suspension and driving system is mostly adopted, and the independent guiding system not only reduces the space utilization rate, but also increases the weight of the train and the line cost. In a traditional high-speed suspension train, the length of a suspension electromagnet of a driving and suspension system is limited due to the existence of a supporting beam, so that the stability of the train is poor at a high speed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a high-speed suspension structure of a large-traction inclined widening suspension electromagnet, and solves the problem that the stability of the existing train is poor at a high speed.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

the high-speed suspension structure of the large-traction inclined widening suspension electromagnet comprises a supporting beam; two suspension frames are arranged on the supporting beam in a suspension mode, long linear synchronous motor stators are symmetrically arranged on opposite side faces of the top of the supporting beam, and linear motor rotors matched with the long linear synchronous motor stators are symmetrically arranged on the two suspension frames.

The long stator of linear synchronous motor and the linear motor active cell cooperation on the suspension frame of the side at supporting beam top are passed through to this structure, can realize the drive simultaneously, suspend, and the function of direction, very big increase space utilization, reduced the vehicle dead weight to and the running cost.

Furthermore, the long stator of the linear synchronous motor comprises a stator lamination, a plurality of tooth grooves are formed in the stator lamination, and stator windings are contained in the plurality of tooth grooves.

Further, the stator lamination includes a plurality of laminated electrical steel sheets.

Further, the stator winding includes a pre-configured shaped shield cable.

Furthermore, the long stator and the rotor of the linear synchronous motor are both flat.

The flat shape allows for greater guiding force.

Further, a working gap is arranged between the long stator of the linear synchronous motor and the rotor of the linear synchronous motor and is parallel to each other.

Furthermore, the linear motor rotor comprises a suspension electromagnet, a plurality of grooves are formed in the suspension electromagnet, and excitation windings are arranged in the grooves.

The safety jacking protection system of the tower crane provided by the utility model has the following beneficial effects:

1. the structure of the train suspension frame and the supporting beam is improved, flat electromagnets can be arranged, and the utilization space is increased.

2. This structure can acquire bigger guiding force as required, can adapt to the train operation of higher speed, has removed solitary guidance system simultaneously, has reduced the dead weight and the running cost of vehicle.

Drawings

Fig. 1 is an overall scheme front view of a high-speed levitation structure of a large-traction oblique-widening levitation electromagnet.

Fig. 2 is a three-dimensional schematic diagram of the overall scheme of the high-speed suspension structure of the large-traction inclined widening suspension electromagnet.

Fig. 3 is a schematic diagram of a synchronous linear motor with a high-speed suspension structure of a large-traction inclined-widening suspension electromagnet.

Fig. 4 is a schematic diagram of the train attracting force of a high-speed suspension structure of a large-traction inclined widening suspension electromagnet.

100, a suspension frame; 200. a linear synchronous motor long stator; 300. a linear synchronous motor mover; 400. A support beam; 201. a stator lamination; 202. a stator winding; 301. a suspension electromagnet; 302. and (4) exciting winding ports.

Detailed Description

While the utility model has been described in terms of specific embodiments for the purpose of facilitating understanding by those skilled in the art, it is to be understood that the utility model is not limited in scope to the specific embodiments, and that various changes in form and detail will become apparent to those skilled in the art upon a reading of the following claims and are intended to be covered by the utility model.

According to the first embodiment of the present application, referring to fig. 1 and fig. 2, the high-speed levitation structure of the large-traction tilted-width-widening levitation electromagnet of the present embodiment includes:

the linear synchronous motor long stator suspension device comprises two suspension frames 100 arranged above a supporting beam 400 in a suspension mode, linear synchronous motor long stators 200 are symmetrically arranged on opposite side faces of the top of the supporting beam 400, linear motor rotors 300 matched with the linear synchronous motor long stators 200 are symmetrically arranged at two bottom ends of the two suspension frames 100, and each linear synchronous motor long stator 200 corresponds to the linear motor rotor 300 in position.

The long stator 200 and the mover 300 of the linear synchronous motor are both flat, so that a greater guiding force can be obtained, and each of the long stator 200 and the mover 300 of the linear synchronous motor is kept parallel and maintains a working gap.

The support beam 400 is a wedge-shaped load-bearing beam, and the suspension 100 is in the shape of an inclined plane.

According to a second embodiment of the present application,

referring to fig. 3, the long stator 200 of the linear synchronous motor includes a stator lamination 201, and a plurality of slots are formed in the stator lamination 201, and a stator winding 202 is disposed in the slots.

The long stator 200 of the linear synchronous motor is fixed on a traveling line of a train, a stator lamination 201 is formed by laminating electrical steel sheets, a stator winding 202 is formed by a protective cable, is preset and formed, and is embedded in stator slots at two sides of a guide rail by a wire laying vehicle.

The linear motor rotor 300 comprises a suspension electromagnet 301, three grooves are formed in the suspension electromagnet 301, and excitation windings 302 are arranged in the three grooves.

After the stator winding 202 is electrified, a travelling wave magnetic field is generated to interact with a suspension electromagnet 301 arranged on a vehicle, so that traction is realized.

The working principle of the first embodiment and the second embodiment is as follows:

after the linear synchronous motor long stator 200 and the linear motor rotor 300 are electrified, air gap magnetic flux is formed between an iron core of the linear synchronous motor long stator 200 and a suspension electromagnet 301 on a vehicle, so that the linear motor rotor 300 is subjected to an oblique upward force, the force can be decomposed into a vertical upward suspension force and a horizontal guide force perpendicular to the line direction, meanwhile, due to the action of a traveling wave magnetic field, the rotor after excitation can also be subjected to a horizontal force in the line direction, the force is a traction force, and the force only can promote the rotor to move, so that a frame is driven to move, and the vehicle is driven.

The utility model is stressed, referring to fig. 4, in order to obtain constant suspension force and guiding force, air gap magnetic flux is formed between the iron core of the long stator 200 of the linear synchronous motor and the suspension electromagnet 301 on the vehicle to generate attraction force, the attraction force can be decomposed into horizontal guiding force vertical to the line direction and suspension force vertical to the line direction, and the suspension, guiding and traction systems are combined into a whole.

The utility model can provide enough and more stable driving force and suspension force, can enhance the guiding force and can effectively improve the guiding performance of the high-speed maglev train.

While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The utility model provides a draw high-speed suspended structure of suspension electro-magnet is widened in slope greatly which characterized in that: comprises a support beam (400); two suspension frames (100) are arranged on the supporting beam (400) in a suspension mode, the opposite side faces of the top of the supporting beam (400) are symmetrically provided with linear synchronous motor long stators (200), and the suspension frames (100) are symmetrically provided with linear synchronous motor rotors (300) matched with the linear synchronous motor long stators (200).

2. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 1, wherein: the long stator (200) of the linear synchronous motor comprises a stator lamination (201), a plurality of tooth grooves are formed in the stator lamination (201), and stator windings (202) are accommodated in the tooth grooves.

3. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 2, wherein: the stator lamination (201) comprises a plurality of electrical steel sheets formed by laminating.

4. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 3, wherein: the stator winding (202) includes a pre-configured shaped shield cable.

5. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 4, wherein: the linear synchronous motor long stator (200) and the linear motor rotor (300) are both flat.

6. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 1, wherein: working gaps are arranged between the long stator (200) of the linear synchronous motor and the rotor (300) of the linear synchronous motor and are parallel to each other.

7. The high-speed levitation structure of large-traction tilted-width-widening levitation electromagnet as recited in claim 1, wherein: the linear motor rotor (300) comprises a suspension electromagnet (301), wherein a plurality of grooves are formed in the suspension electromagnet (301), and excitation windings (302) are arranged in the grooves.