CN112224032A - Suspension frame structure of electric magnetic suspension rail vehicle and electric magnetic suspension rail vehicle - Google Patents
Suspension frame structure of electric magnetic suspension rail vehicle and electric magnetic suspension rail vehicle Download PDFInfo
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- CN112224032A CN112224032A CN202010928976.0A CN202010928976A CN112224032A CN 112224032 A CN112224032 A CN 112224032A CN 202010928976 A CN202010928976 A CN 202010928976A CN 112224032 A CN112224032 A CN 112224032A
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- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
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Abstract
The embodiment of the invention provides a suspension frame structure of an electric magnetic suspension rail vehicle and the electric magnetic suspension rail vehicle, wherein the suspension frame structure comprises: the suspension frame comprises suspension frame longitudinal beams, suspension frame top-layer cross beams, suspension frame bottom-layer cross beams and suspension modules; wherein the two suspension frame longitudinal beams are arranged at intervals; the top cross beams of the suspension frames are arranged between the two suspension frame longitudinal beams, and the top sides of the top cross beams of the suspension frames are coplanar with the top sides of the suspension frame longitudinal beams; the plurality of suspension frame bottom layer cross beams are arranged between the two suspension frame longitudinal beams and are connected with the two suspension frame longitudinal beams; the suspension module is connected with the bottom layer cross beam of the suspension frame and is arranged on the outer side of the longitudinal beam of the suspension frame along the extending direction of the longitudinal beam of the suspension frame. According to the invention, the suspension system of the suspension frame is rearranged, so that the suspension frame has higher bearing capacity and better vibration damping effect, and a wide development margin is provided for the magnetic suspension system; the defects that the bearing capacity of a suspension frame is large, the stress distribution is unreasonable, the development margin of a magnetic suspension system is small and the like in the prior art are overcome.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a suspension frame structure of an electric magnetic suspension railway vehicle and the electric magnetic suspension railway vehicle.
Background
In recent years, electric magnetic suspension railway vehicles are more and more concerned as a novel magnetic suspension traffic system. Compared with electromagnetic suspension, the electric magnetic suspension rail vehicle has the characteristics of reliable system and high suspension height. The superconducting magnets are arranged on two sides of a bogie of the railway vehicle, a series of splayed normal conducting coils are arranged on two sides of a ground track, and the traction, suspension and guiding functions of the railway vehicle are realized by electromagnetic interaction force between the superconducting magnets and the coils. In the high-temperature superconducting magnetic suspension system, a suspension frame is an important part for connecting a vehicle and a suspension module, bears acting force in each direction, and has the same action as that of a bogie of the traditional rail transit equipment.
Along with the economic development, the application of the magnetic suspension technology is increasingly common, and the requirements on the re-development of the bearing capacity, the stability, the safety, the suspension performance and the like of the magnetic suspension rail vehicle are increased. How to provide a suspension frame structure used by a magnetic suspension rail vehicle to meet increasing market demands; meanwhile, considering that the stress condition of the suspension module is complex, and the distribution research of the high-temperature superconducting magnetic field is shallow, how to provide wide development margin for the magnetic suspension system becomes a problem to be solved urgently.
The present invention has been made in view of the above.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a suspension frame structure of an electric magnetic suspension rail vehicle, which is used for solving the defects of large bearing capacity, unreasonable stress distribution, small development margin and the like of a suspension frame in the prior art; and in the case of emergency braking, the redundancy is better.
The invention also provides an electric magnetic suspension railway vehicle, which is used for solving the defects of large bearing capacity of a suspension frame, unreasonable stress distribution, small development margin of a magnetic suspension system and the like in the prior art, and the suspension frame of the rearranged suspension system is configured to obtain larger passenger capacity; a wide range of re-developments can be made on the basis of rearranging the suspension of the suspension system.
According to an embodiment of the first aspect of the invention, the suspension structure of the electric magnetic suspension railway vehicle comprises: the suspension frame comprises suspension frame longitudinal beams, suspension frame top-layer cross beams, suspension frame bottom-layer cross beams and suspension modules;
the two suspension frame longitudinal beams are arranged at intervals;
the top cross beams of the suspension frame are arranged between the two suspension frame longitudinal beams, and the top sides of the top cross beams of the suspension frame are coplanar with the top sides of the suspension frame longitudinal beams;
the bottom-layer cross beams of the suspension frames are arranged between the two suspension frame longitudinal beams and are connected with the two suspension frame longitudinal beams;
the suspension module is connected with the suspension frame bottom layer cross beam and arranged on the outer side of the suspension frame longitudinal beam along the extending direction of the suspension frame longitudinal beam.
According to one embodiment of the invention, the suspension top level beam comprises: the suspension frame comprises a suspension frame top layer first beam and a suspension frame top layer second beam;
the first top-layer cross beams of the two suspension frames are respectively connected with two end parts of the longitudinal beams of the suspension frames;
the second beam on the top layer of the suspension frame is arranged between the two first beams on the top layer of the suspension frame.
Particularly, the frame of the suspension frame structure is formed between the first cross beam on the top layer of the suspension frame and the longitudinal beam of the suspension frame, and the second cross beam on the top layer of the suspension frame plays a role in connection reinforcement, so that the stability of the suspension frame structure is stronger, and meanwhile, the bearing capacity of the suspension frame structure is also improved.
According to one embodiment of the invention, the top side of the first beam on the top layer of the suspension frame is provided with a traction pull rod.
In particular, the traction force in the longitudinal direction of the suspension structure can be transmitted to the car body of the rail car by the arrangement of the traction pull rod.
According to one embodiment of the invention, each suspension floor beam comprises: the suspension frame bottom cross beam vertical plate, the suspension frame bottom cross beam connecting plate and the suspension frame bottom cross beam seat are arranged on the suspension frame bottom cross beam vertical plate;
the two vertical plates of the bottom layer beam of the suspension frame are arranged at intervals;
the suspension frame bottom cross beam connecting plate is respectively connected with the two suspension frame bottom cross beam vertical plates;
the suspension frame bottom crossbeam seat is respectively connected with the two suspension frame bottom crossbeam vertical plates and the suspension frame bottom crossbeam connecting plate and is arranged corresponding to the suspension frame longitudinal beams.
Particularly, the bottom cross beam of the suspension frame is arranged to be connected with the welding structure formed by the vertical cross beam plate of the bottom cross beam of the suspension frame and the connecting plate of the bottom cross beam of the suspension frame, the bottom cross beam of the suspension frame is promoted, the bottom cross beam seat of the suspension frame corresponding to the longitudinal beam position of the suspension frame is arranged at the same time, the bearing effect on the longitudinal beam of the suspension frame is achieved, the longitudinal beam of the suspension frame can obtain more stable supporting force, and the support for the rail vehicle is met.
According to one embodiment of the invention, the underside of the bottom layer beam seat of the suspension is provided with a skid.
Specifically, the skid support in an emergency is satisfied by the arrangement of the skid.
According to one embodiment of the invention, the suspension stringers comprise: the suspension frame longitudinal beam vertical plate, the suspension frame longitudinal beam first connecting plate and the suspension frame longitudinal beam second connecting plate are arranged on the suspension frame longitudinal beam vertical plate;
the two vertical plates of the longitudinal beam of the suspension frame are arranged at intervals, and a mounting opening for the bottom layer beam of the suspension frame to pass through is formed;
the first connecting plate of the longitudinal beam of the suspension frame and the second connecting plate of the longitudinal beam of the suspension frame are respectively connected with two vertical plates of the longitudinal beam of the suspension frame which are arranged at intervals;
the first connecting plate of the longitudinal beam of the suspension frame is connected with two vertical plates of the longitudinal beam of the suspension frame which are arranged at intervals in the vertical direction in the mounting opening;
the second connecting plate of the longitudinal beam of the suspension frame is arranged corresponding to the bottom-layer beam seat of the suspension frame and is flush with the bottom edge of the vertical plate of the longitudinal beam of the suspension frame.
Particularly, the installation opening matched with the bottom-layer beam of the suspension frame is formed in the vertical plate of the longitudinal beam of the suspension frame, so that the longitudinal beam of the suspension frame and the bottom-layer beam of the suspension frame are restrained in a certain degree of freedom, and the effect of mutual cross support is also formed.
Furthermore, through setting up the first connecting plate of suspension longeron and suspension longeron second connecting plate, for the cooperation formation butt face between suspension longeron and the suspension bottom crossbeam, reduce stress concentration through the face contact, promote the wholeness ability of suspension structure.
According to one embodiment of the invention, a first vibration reduction unit is arranged between the suspension frame bottom layer cross beam vertical plate and the suspension frame longitudinal beam first connecting plate.
Particularly, the suspension structure is longitudinally absorbed along the moving direction by arranging the first vibration reduction unit, and the stability of the suspension structure is ensured.
According to one embodiment of the invention, the first damping unit is a rubber pad.
Particularly, the matching clearance in the moving direction of the suspension frame structure is small, the installation positions are tightly attached, and the elastic space is small between the suspension frame longitudinal beam and the suspension frame bottom layer cross beam, so that the longitudinal force absorption of the suspension frame longitudinal beam and the suspension frame bottom layer cross beam along the moving direction of the suspension frame structure can be realized through the rubber pads.
According to one embodiment of the invention, a second damping unit is arranged between the bottom-layer crossbeam seat of the suspension frame and the second connecting plate of the longitudinal beam of the suspension frame.
Particularly, the second vibration reduction unit is arranged to absorb the vibration force of the suspension frame structure in the vertical direction, and the stability of the suspension frame structure is guaranteed.
According to one embodiment of the invention, the second damping unit is a rubber spring.
Particularly, because large vibration exists between the longitudinal beams of the suspension frame and the bottom-layer cross beams of the suspension frame in the vertical direction of the suspension frame structure, the rubber springs are arranged to effectively absorb the vibration.
Furthermore, a limiting pull rod for connecting the longitudinal beam of the suspension frame and the bottom layer cross beam of the suspension frame can be arranged in the rubber spring, so that the limiting function of vertical motion is realized.
According to one embodiment of the invention, each suspension floor beam further comprises: the suspension frame bottom beam end plate is connected with the suspension module;
the suspension frame bottom crossbeam end plates are arranged at two ends of the suspension frame bottom crossbeam and are respectively connected with the suspension frame bottom crossbeam vertical plates and the suspension frame bottom crossbeam connecting plates.
Particularly, through being connected suspension module and suspension frame bottom crossbeam, promoted the holistic stability of suspension frame structure, suspension frame bottom crossbeam forms the bottom layer portion of suspension frame structure with suspension module, and is structurally more stable, and is also more convenient during the installation.
According to one embodiment of the invention, the levitation module comprises: the superconducting coil unit comprises a shell connected with the bottom beam end plate of the suspension frame and a superconducting coil unit arranged in the shell.
Specifically, a mounting method of the suspension module is provided.
According to one embodiment of the invention, the suspension frame longitudinal beam is provided with a third damping unit and a fourth damping unit;
the third vibration reduction units are arranged corresponding to the bottom layer cross beams of the suspension frame close to the two end parts of the longitudinal beam of the suspension frame;
the fourth vibration reduction unit is arranged corresponding to the rest of the bottom layer beams of the suspension frame.
Particularly, the third vibration reduction units are arranged at the positions close to the two end parts of the longitudinal beam of the suspension frame and correspond to the bottom layer cross beam of the suspension frame, so that the third vibration reduction units can absorb the acting force of the rail vehicle body on the longitudinal beam of the suspension frame in the vertical direction and are matched with the first vibration reduction units and the second vibration reduction units to achieve the absorption of the vibration in the vertical direction.
It should be noted that the third damping unit can be specifically arranged in the vertical direction of the line connecting position of the two first damping units, and can form symmetrical cooperation with the first damping unit and the second damping unit, so that the problems that the absorption effect caused by offset is different, and the overall service life of the suspension structure is influenced by long-term use are avoided.
Furthermore, the fourth vibration reduction unit corresponds to the bottom-layer beam of the suspension frame arranged in the middle and can also play a role in absorbing vertical vibration, and the arrangement considers that the bearing capacity of the fourth vibration reduction unit is smaller than that of the third vibration reduction unit.
Further, the fourth vibration damping unit may be disposed in a vertical direction to a line connecting position of the two first vibration damping units.
According to one embodiment of the invention, the suspension stringers, the suspension top cross-beams and the suspension bottom cross-beams are made of stainless steel material.
Particularly, the suspension frame longitudinal beams, the suspension frame top-layer cross beams and the suspension frame bottom-layer cross beams are made of stainless steel materials, so that the influence on the operation of a suspension system is avoided.
An electric magnetic levitation railway vehicle according to an embodiment of the second aspect of the present invention comprises: the suspension frame structure of the electric magnetic suspension rail vehicle is provided.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: according to the suspension frame structure of the electric magnetic suspension rail vehicle and the electric magnetic suspension rail vehicle, the suspension frame structure enables the suspension frame to obtain larger bearing capacity through rearranging the suspension system of the suspension frame, the vibration reduction effect is better, meanwhile, wide development margin is provided for the magnetic suspension system, and better redundancy is achieved under the condition of emergency braking; the defects that the bearing capacity of a suspension frame is large, the stress distribution is unreasonable, the development margin of a magnetic suspension system is small and the like in the prior art are overcome.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a first schematic diagram of the overall assembly relationship of a suspension structure of an electric magnetic levitation railway vehicle provided by the embodiment of the invention;
fig. 2 is a second schematic view of the overall assembly relationship of the suspension structure of the electric magnetic levitation railway vehicle provided by the embodiment of the invention;
fig. 3 is a third schematic view of the overall assembly relationship of the suspension structure of the electric magnetic levitation railway vehicle provided by the embodiment of the invention;
fig. 4 is a schematic view of an assembly relationship between a longitudinal beam of a suspension frame and a bottom cross beam of the suspension frame in the suspension frame structure of the electric magnetic suspension railway vehicle provided by the embodiment of the invention;
fig. 5 is a schematic structural relationship diagram of a longitudinal beam of a suspension frame in a suspension frame structure of an electric magnetic suspension railway vehicle provided by an embodiment of the invention;
fig. 6 is a schematic view of an assembly relationship between a bottom beam of a suspension frame and a suspension module in a suspension frame structure of an electric magnetic suspension railway vehicle according to an embodiment of the present invention;
fig. 7 is an exploded schematic view of the assembly relationship of suspension modules in the suspension structure of an electric magnetic suspension railway vehicle according to an embodiment of the present invention;
fig. 8 is a first schematic view of a structural relationship of a bottom beam of a suspension frame in a suspension frame structure of an electric magnetic suspension railway vehicle according to an embodiment of the present invention;
fig. 9 is a second schematic view of a structural relationship of a beam at the bottom layer of a suspension frame in the suspension frame structure of the electric magnetic suspension railway vehicle provided by the embodiment of the invention.
Reference numerals:
100. a suspension frame longitudinal beam; 110. a suspension frame longitudinal beam vertical plate; 120. an installation port; 130. the suspension frame longitudinal beam first connecting plate; 140. a suspension frame longitudinal beam second connecting plate; 150. a third vibration reduction unit; 160. a fourth damping unit;
200. a top beam of the suspension frame; 210. a first beam on the top layer of the suspension frame; 220. a second beam on the top layer of the suspension frame; 230. a traction pull rod;
300. a bottom layer beam of the suspension frame; 310. a vertical beam plate of a bottom layer of the suspension frame; 320. a suspension frame bottom layer beam connecting plate 330 and a suspension frame bottom layer beam seat; 340. a skid; 350. a first vibration damping unit; 360. a second vibration reduction unit; 370. a bottom beam end plate of the suspension frame;
400. a suspension module; 410. a housing; 420. a superconducting coil unit; 430. positioning pins; 440. a support portion;
500. running the track; 510. a flux guide module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1 to 3 are first, second and third schematic diagrams of the overall assembly relationship of a suspension structure of an electric magnetic levitation railway vehicle provided by the embodiment of the invention. As can be seen from fig. 1 to 3, a suspension structure is provided in the travel track 500, and only one suspension structure is shown in fig. 1 for convenience of illustration. Wherein, the both sides of orbit 500 are provided with magnetic conductance module 510, and suspension module 400 of suspension frame structure also sets up in the lateral part, through magnetic conductance module 510 and suspension module 400's cooperation, realize the magnetism guide to the suspension frame structure.
It should be noted that, the suspension module 400 and the magnetic conductance module 510 are both disposed at the side portions, that is, the arrangement of the magnetic guidance is generated laterally, so as to release the development margin of the suspension frame structure in the vertical direction, after a sufficient bearing capacity is provided by the suspension frame structure, the structural improvement and the corresponding later development of the rail vehicle can be performed in the vertical direction and at both sides above the operation track 500, that is, the requirement of the subsequent development can be satisfied as much as possible on the formed suspension frame structure, and it is not necessary to perform excessive improvement on the suspension frame structure. Moreover, the suspension module 400 and the magnetic conductance module 510 arranged at the side part also provide enough width support for the suspension frame structure, so that the rail vehicle with the suspension frame structure can obtain larger passenger capacity and corresponding bearing capacity, the running track 500 matched with the suspension frame structure can also be stably used, the suspension frame structure and the running track 500 do not need to be changed and modified for the improvement of a suspension system, and the cost is reduced.
It should also be noted that the lateral arrangement of the suspension module 400 and the magnetic conductance module 510 also provides a guarantee for the safety of the suspension frame structure, and avoids the occurrence of problems such as damage to the suspension module 400 arranged at the bottom due to suspension failure.
Fig. 4 and fig. 5 are a schematic diagram of an assembly relationship between the suspension longitudinal beam 100 and the suspension floor cross beam 300 in the suspension structure of the electric magnetic levitation railway vehicle according to the embodiment of the present invention, and a schematic diagram of a structural relationship between the suspension longitudinal beam 100. As can be seen from fig. 4 and 5, the suspension frame longitudinal beam 100 is provided with a mounting opening 120, and the mounting opening 120 is matched with the suspension frame bottom layer cross beam 300. The arrangement enables the suspension frame longitudinal beam 100 and the suspension frame bottom layer cross beam 300 to form freedom degree constraint, and improves the overall stability of the suspension frame structure.
It should be noted that a first suspension longitudinal beam connecting plate 130 and a second suspension longitudinal beam connecting plate 140 are further disposed at the mounting opening 120, and the suspension bottom cross beam 300 includes a suspension bottom cross beam vertical plate 310, a suspension bottom cross beam connecting plate 320, and a suspension bottom cross beam seat 330. A first vibration reduction unit 350 is arranged between the first connecting plate 130 of the longitudinal beam of the suspension frame and the vertical plate 310 of the bottom cross beam of the suspension frame, and a second vibration reduction unit 360 is arranged between the second connecting plate 140 of the longitudinal beam of the suspension frame and the bottom cross beam seat 330 of the suspension frame. The first vibration reduction unit 350 is arranged to absorb longitudinal force of the suspension frame structure along the moving direction, so that the stability of the suspension frame structure is ensured; the second vibration reduction unit 360 is arranged to absorb the vibration force of the suspension frame structure in the vertical direction, and the stability of the suspension frame structure is guaranteed.
Fig. 6 and 7 are schematic diagrams illustrating an assembly relationship between the suspension frame bottom beam 300 and the suspension module 400 and an exploded schematic diagram illustrating an assembly relationship between the suspension module 400 in the suspension frame structure of the electric magnetic suspension railway vehicle according to the embodiment of the present invention. As can be seen in fig. 6 and 7, the present invention rearranges the connection between the suspension floor beams 300 and the suspension modules 400. Through being connected suspension module 400 and suspension frame bottom crossbeam 300, promoted the holistic stability of suspension frame structure, suspension frame bottom crossbeam 300 forms the bottom layer portion of suspension frame structure with suspension module 400, and is structurally more stable, and is also more convenient during the installation.
It should be noted that the levitation module 400 includes a housing 410 and a superconducting coil unit 420 disposed in the housing 410, and the supporting and fixing of the superconducting coil unit 420 is realized by a supporting portion 440 and a positioning pin 430 engaged with the housing 410.
It should be further noted that, as can be seen from fig. 6 and 7, in the installation process, the suspension frame bottom cross beam 300 and the suspension module 400 are fixedly connected to form an integrated modular structure, and the installation position of the suspension module 400 is installed through the inside of the suspension frame bottom cross beam 300 to the outside, so that the installation convenience is improved, and the gap between the suspension module 400 and the magnetic conductance module 510 can be adjusted in the installation process.
Further, after the suspension frame bottom layer beam 300 and the suspension module 400 form modularization, transportation and subsequent installation operation are facilitated, so that the suspension frame structure forms multi-modularization, the scientificity of operation is increased, and the efficiency is improved. The suspension frame longitudinal beams 100 and the suspension frame top-layer cross beams 200 can also form an independent modular structure, and through connection in modes such as welding in advance, advance preparation of installation is realized, and meanwhile, transportation and the like are facilitated.
Fig. 8 and 9 are first and second schematic diagrams of the structural relationship of the bottom beam of the suspension frame in the suspension frame structure of the electric magnetic suspension railway vehicle provided by the embodiment of the invention. As can be seen from fig. 8 and 9, the bottom cross beam 300 of the suspension is shown in multiple angles, and as a main bearing component of the suspension structure, the bottom cross beam 300 of the suspension is rearranged in the invention.
Specifically, the suspension frame bottom beam 300 comprises a suspension frame bottom beam vertical plate 310, a suspension frame bottom beam connecting plate 320 and a suspension frame bottom beam seat 330; wherein, the two suspension frame bottom layer beam vertical plates 310 are arranged at intervals; the suspension frame bottom beam connecting plate 320 is respectively connected with the two suspension frame bottom beam vertical plates 310; the suspension frame bottom cross beam seat 330 is respectively connected with the two suspension frame bottom cross beam vertical plates 310 and the suspension frame bottom cross beam connecting plate 320 and is arranged corresponding to the suspension frame longitudinal beam 100.
It should be noted that, the bottom cross beam 300 of the suspension frame is set to be a welded structure formed by connecting the vertical cross beam plate 310 of the bottom cross beam of the suspension frame and the connecting plate 320 of the bottom cross beam of the suspension frame, so that the bottom cross beam 300 of the suspension frame is lifted, and meanwhile, the bottom cross beam seat 330 of the suspension frame corresponding to the position of the longitudinal beam 100 of the suspension frame is arranged, so that the bearing effect on the longitudinal beam 100 of the suspension frame is achieved, the longitudinal beam 100 of the suspension frame can obtain more stable supporting force, and the support on the rail vehicle is satisfied.
Further, set up first damping unit 350 and second damping unit 360 on suspension frame bottom crossbeam riser 310 and suspension frame bottom crossbeam seat 330 for suspension frame bottom crossbeam seat 330 can fully absorb the effort of suspension frame structure on the vertical direction and the moving direction, promotes the overall stability of suspension frame structure, and it is big to have solved suspension frame bearing capacity among the prior art, and the distribution of atress is unreasonable, and magnetic levitation system can develop defects such as margin is little.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In some embodiments of the present invention, as shown in fig. 1 to 9, the present embodiment provides a suspension structure of an electric magnetic levitation railway vehicle, comprising: the suspension frame comprises suspension frame longitudinal beams 100, suspension frame top-layer cross beams 200, suspension frame bottom-layer cross beams 300 and suspension modules 400; wherein, the two suspension frame longitudinal beams 100 are arranged at intervals; the plurality of suspension frame top-layer cross beams 200 are arranged between the two suspension frame longitudinal beams 100, and the top sides of the suspension frame top-layer cross beams 200 are coplanar with the top sides of the suspension frame longitudinal beams 100; the plurality of suspension frame bottom layer cross beams 300 are arranged between the two suspension frame longitudinal beams 100 and are connected with the two suspension frame longitudinal beams 100; the suspension module 400 is connected with the suspension frame bottom beam 300 and is arranged outside the suspension frame longitudinal beam 100 along the extending direction of the suspension frame longitudinal beam 100.
Particularly, the suspension frame structure of the electric magnetic suspension rail vehicle is used for overcoming the defects that the suspension frame in the prior art is large in bearing capacity, unreasonable in stress distribution, small in development margin and the like of a magnetic suspension system, the suspension frame is enabled to obtain larger bearing capacity by rearranging the suspension system of the suspension frame, the vibration damping effect is better, and meanwhile, wide development margin is provided for the magnetic suspension system; and in the case of emergency braking, the redundancy is better.
In some embodiments, the suspension top beam 200 includes: a suspension top first beam 210 and a suspension top second beam 220; the two suspension frame top layer first cross beams 210 are respectively connected with two end parts of the suspension frame longitudinal beams 100; the suspension top second beam 220 is disposed between the two suspension top first beams 210.
Particularly, a frame of the suspension structure is formed between the first suspension frame top beam 210 and the suspension frame longitudinal beam 100, and the second suspension frame top beam 220 plays a role in connection reinforcement, so that the stability of the suspension structure is stronger, and meanwhile, the bearing capacity of the suspension structure is improved.
In some embodiments, the top side of the first cross member 210 on the top of the suspension is provided with a tow bar 230.
Specifically, the traction force in the longitudinal direction of the suspension structure can be transmitted to the car body of the rail car by the arrangement of the traction link 230.
In some embodiments, each suspension floor beam 300 includes: a suspension frame bottom beam vertical plate 310, a suspension frame bottom beam connecting plate 320 and a suspension frame bottom beam seat 330; the two suspension frame bottom layer beam vertical plates 310 are arranged at intervals; the suspension frame bottom beam connecting plate 320 is respectively connected with the two suspension frame bottom beam vertical plates 310; the suspension frame bottom cross beam seat 330 is respectively connected with the two suspension frame bottom cross beam vertical plates 310 and the suspension frame bottom cross beam connecting plate 320 and is arranged corresponding to the suspension frame longitudinal beam 100.
Particularly, the bottom cross beam 300 of the suspension frame is arranged to be connected with the welding structure formed by the vertical cross beam plate 310 of the bottom cross beam of the suspension frame and the connecting plate 320 of the bottom cross beam of the suspension frame, so that the bottom cross beam 300 of the suspension frame is improved, and meanwhile, the bottom cross beam seat 330 of the suspension frame corresponding to the position of the longitudinal beam 100 of the suspension frame is arranged, so that the bearing effect on the longitudinal beam 100 of the suspension frame is achieved, the longitudinal beam 100 of the suspension frame can obtain more stable supporting force, and the support for the rail vehicle is met.
In some embodiments, the underside of the suspension base transom mount 330 is provided with a skid 340.
Specifically, the provision of the skid 340 satisfies the sliding support in an emergency.
In some embodiments, the suspension stringers 100 include: the suspension frame longitudinal beam vertical plate 110, the suspension frame longitudinal beam first connecting plate 130 and the suspension frame longitudinal beam second connecting plate 140; the two vertical suspension frame beam plates 110 are arranged at intervals, and a mounting opening 120 for the bottom layer beam 300 of the suspension frame to pass through is formed; the first connecting plate 130 of the longitudinal beam of the suspension frame and the second connecting plate 140 of the longitudinal beam of the suspension frame are respectively connected with two vertical plates 110 of the longitudinal beam of the suspension frame which are arranged at intervals; the suspension frame longitudinal beam first connecting plate 130 is connected with two suspension frame longitudinal beam vertical plates 110 which are arranged at intervals in the vertical direction in the mounting opening 120; the suspension frame longitudinal beam second connecting plate 140 is arranged corresponding to the suspension frame bottom layer cross beam seat 330 and is flush with the bottom edge of the suspension frame longitudinal beam vertical plate 110.
Specifically, the mounting openings 120 matched with the suspension frame bottom cross beam 300 are formed in the suspension frame longitudinal beam vertical plates 110, so that the suspension frame longitudinal beam 100 and the suspension frame bottom cross beam 300 are restrained at a certain degree of freedom, and a mutual cross supporting effect is also formed.
Further, by arranging the first connecting plate 130 of the suspension longitudinal beam and the second connecting plate 140 of the suspension longitudinal beam, a butt joint surface is formed for the matching between the suspension longitudinal beam 100 and the suspension bottom layer cross beam 300, stress concentration is reduced through surface contact, and the overall performance of the suspension structure is improved.
In some embodiments, a first damping unit 350 is disposed between the suspension base cross beam riser 310 and the suspension longitudinal beam first connection plate 130.
Particularly, the first vibration reduction unit 350 is arranged to absorb longitudinal force of the suspension structure along the moving direction, so that the stability of the suspension structure is ensured.
In some embodiments, the first vibration reduction unit 350 is a rubber pad.
Specifically, the matching gap between the suspension frame longitudinal beam 100 and the suspension frame bottom-layer cross beam 300 in the moving direction of the suspension frame structure is small, the installation positions are tightly attached, and the elastic space is small, so that the longitudinal force absorption of the suspension frame longitudinal beam 100 and the suspension frame bottom-layer cross beam 300 along the moving direction of the suspension frame structure can be realized through the rubber pads.
In some embodiments, a second damping unit 360 is disposed between the suspension base transom mount 330 and the suspension stringer second web 140.
Particularly, the second vibration damping unit 360 is arranged to absorb the vibration force of the suspension frame structure in the vertical direction, and the stability of the suspension frame structure is guaranteed.
In some embodiments, the second damping unit 360 is a rubber spring.
Specifically, because there is large vibration between the suspension longitudinal beam 100 and the suspension bottom cross beam 300 in the vertical direction of the suspension structure, the effective absorption of vibration is realized by arranging the rubber springs.
Furthermore, a limit pull rod for connecting the suspension frame longitudinal beam 100 and the suspension frame bottom layer cross beam 300 can be arranged in the rubber spring, so that the function of limiting vertical movement is realized.
In some embodiments, each suspension floor beam 300 further comprises: a suspension frame bottom beam end plate 370 connected to the suspension module 400; the suspension bottom beam end plates 370 are disposed at two ends of the suspension bottom beam 300 and are respectively connected to the suspension bottom beam vertical plates 310 and the suspension bottom beam connecting plates 320.
Particularly, through being connected suspension module 400 and suspension frame bottom crossbeam 300, promoted the holistic stability of suspension frame structure, suspension frame bottom crossbeam 300 forms the bottom layer portion of suspension frame structure with suspension module 400, and is structurally more stable, and is also more convenient during the installation.
In some embodiments, the suspension module 400 includes: a housing 410 connected to the suspension floor beam end plate 370, and a superconducting coil unit 420 disposed within the housing 410.
Specifically, one way of mounting the suspension module 400 is presented.
In some embodiments, the suspension stringers 100 are provided with a third damping unit 150 and a fourth damping unit 160; the third vibration reduction units 150 are arranged corresponding to the suspension frame bottom layer cross beams 300 close to the two ends of the suspension frame longitudinal beams 100; the fourth vibration reduction unit 160 is disposed corresponding to the rest of the suspension bottom beams 300.
Specifically, the third vibration damping units 150 are disposed at two end positions close to the suspension frame longitudinal beam 100 and correspond to the suspension frame bottom layer cross beam 300, so that the third vibration damping units 150 can absorb the acting force of the rail vehicle body on the suspension frame longitudinal beam 100 in the vertical direction, and are matched with the first vibration damping units 350 and the second vibration damping units 360 to achieve the absorption of the vertical vibration.
It should be noted that the third vibration damping unit 150 may be specifically disposed in a vertical direction at a connection position of the two first vibration damping units 350, and may form a symmetrical fit with the first vibration damping unit 350 and the second vibration damping unit 360, so as to avoid a problem that the absorption effect caused by the offset is different, and the overall life of the suspension structure is affected by long-term use.
Further, the fourth damping unit 160 corresponds to the suspension base beam 300 disposed at the middle portion, and also has the function of absorbing vertical vibration, and this arrangement takes into consideration that the bearing capacity of the fourth damping unit 160 is smaller than that of the third damping unit 150.
Further, the fourth vibration damping unit 160 may be disposed in a vertical direction to a line connecting position of the two first vibration damping units 350.
In some embodiments, third damping unit 150 is an air spring and fourth damping unit 160 is a vertical damper.
In some embodiments, the suspension stringers 100, suspension top cross-beams 200, and suspension bottom cross-beams 300 are made of stainless steel material.
Specifically, the suspension longitudinal beams 100, the suspension top cross beams 200 and the suspension bottom cross beams 300 are made of stainless steel materials, so that the influence on the operation of the suspension system is avoided.
In some embodiments of the present invention, the present embodiments provide an electric magnetic levitation railway vehicle comprising: the suspension frame structure of the electric magnetic suspension rail vehicle is provided.
Specifically, the electric magnetic suspension railway vehicle is used for overcoming the defects that a suspension frame in the prior art is large in bearing capacity, unreasonable in stress distribution, small in development margin of a magnetic suspension system and the like, and is provided with a suspension frame with a rearranged suspension system, so that larger passenger capacity is obtained, meanwhile, the later development margin of the railway vehicle is large, and the electric magnetic suspension railway vehicle has better redundancy under the condition of emergency braking; a wide range of re-developments can be made on the basis of rearranging the suspension of the suspension system.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (15)
1. A suspension frame structure of an electric magnetic suspension rail vehicle is characterized by comprising: the suspension frame comprises suspension frame longitudinal beams, suspension frame top-layer cross beams, suspension frame bottom-layer cross beams and suspension modules;
the two suspension frame longitudinal beams are arranged at intervals;
the top cross beams of the suspension frame are arranged between the two suspension frame longitudinal beams, and the top sides of the top cross beams of the suspension frame are coplanar with the top sides of the suspension frame longitudinal beams;
the bottom-layer cross beams of the suspension frames are arranged between the two suspension frame longitudinal beams and are connected with the two suspension frame longitudinal beams;
the suspension module is connected with the suspension frame bottom layer cross beam and arranged on the outer side of the suspension frame longitudinal beam along the extending direction of the suspension frame longitudinal beam.
2. A suspension structure for an electrically powered magnetic levitation railway vehicle as claimed in claim 1, wherein the suspension top cross beam comprises: the suspension frame comprises a suspension frame top layer first beam and a suspension frame top layer second beam;
the first top-layer cross beams of the two suspension frames are respectively connected with two end parts of the longitudinal beams of the suspension frames;
the second beam on the top layer of the suspension frame is arranged between the two first beams on the top layer of the suspension frame.
3. The suspension structure of an electric magnetic levitation railway vehicle as recited in claim 2, wherein the top side of the first top cross beam of the suspension is provided with a traction tie.
4. A suspension structure for an electrically powered magnetic levitation railway vehicle as claimed in claim 1, wherein each suspension sub-beam comprises: the suspension frame bottom cross beam vertical plate, the suspension frame bottom cross beam connecting plate and the suspension frame bottom cross beam seat are arranged on the suspension frame bottom cross beam vertical plate;
the two vertical plates of the bottom layer beam of the suspension frame are arranged at intervals;
the suspension frame bottom cross beam connecting plate is respectively connected with the two suspension frame bottom cross beam vertical plates;
the suspension frame bottom crossbeam seat is respectively connected with the two suspension frame bottom crossbeam vertical plates and the suspension frame bottom crossbeam connecting plate and is arranged corresponding to the suspension frame longitudinal beams.
5. A suspension structure of an electric magnetic levitation railway vehicle as recited in claim 4, wherein the underside of the suspension base transom base is provided with a skid.
6. A suspension structure for an electric magnetic levitation railway vehicle as claimed in claim 4, wherein the suspension stringers comprise: the suspension frame longitudinal beam vertical plate, the suspension frame longitudinal beam first connecting plate and the suspension frame longitudinal beam second connecting plate are arranged on the suspension frame longitudinal beam vertical plate;
the two vertical plates of the longitudinal beam of the suspension frame are arranged at intervals, and a mounting opening for the bottom layer beam of the suspension frame to pass through is formed;
the first connecting plate of the longitudinal beam of the suspension frame and the second connecting plate of the longitudinal beam of the suspension frame are respectively connected with two vertical plates of the longitudinal beam of the suspension frame which are arranged at intervals;
the first connecting plate of the longitudinal beam of the suspension frame is connected with two vertical plates of the longitudinal beam of the suspension frame which are arranged at intervals in the vertical direction in the mounting opening;
the second connecting plate of the longitudinal beam of the suspension frame is arranged corresponding to the bottom-layer beam seat of the suspension frame and is flush with the bottom edge of the vertical plate of the longitudinal beam of the suspension frame.
7. The suspension structure of an electric magnetic suspension railway vehicle as claimed in claim 6, wherein a first damping unit is disposed between the suspension bottom cross beam vertical plate and the suspension longitudinal beam first connecting plate.
8. The suspension structure of an electric magnetic levitation railway vehicle as recited in claim 7, wherein the first vibration damping unit is a rubber pad.
9. The suspension structure of an electric magnetic levitation railway vehicle as recited in claim 6, wherein a second damping unit is disposed between the suspension base beam seat and the suspension longitudinal beam second connecting plate.
10. The suspension structure of an electric magnetic levitation railway vehicle as recited in claim 9, wherein the second damping unit is a rubber spring.
11. A suspension structure for an electrically powered magnetic levitation railway vehicle as claimed in claim 4, wherein each suspension sub-beam further comprises: the suspension frame bottom beam end plate is connected with the suspension module;
the suspension frame bottom crossbeam end plates are arranged at two ends of the suspension frame bottom crossbeam and are respectively connected with the suspension frame bottom crossbeam vertical plates and the suspension frame bottom crossbeam connecting plates.
12. Suspension frame structure of an electrically powered magnetic levitation railway vehicle according to claim 11, wherein the levitation module comprises: the superconducting coil unit comprises a shell connected with the bottom beam end plate of the suspension frame and a superconducting coil unit arranged in the shell.
13. Suspension structure of an electric magnetic levitation railway vehicle according to any of claims 1 to 12, wherein the suspension stringers are provided with a third damping unit and a fourth damping unit;
the third vibration reduction units are arranged corresponding to the bottom layer cross beams of the suspension frame close to the two end parts of the longitudinal beam of the suspension frame;
the fourth vibration reduction unit is arranged corresponding to the rest of the bottom layer beams of the suspension frame.
14. The suspension structure of an electric magnetic levitation railway vehicle as claimed in any one of claims 1 to 12, wherein the suspension stringers, the suspension top cross-beam and the suspension bottom cross-beam are made of stainless steel material.
15. An electrically powered magnetic levitation railway vehicle, comprising: suspension structure of an electrically powered magnetic levitation railway vehicle as claimed in any of the preceding claims 1 to 14.
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| CN202010928976.0A CN112224032B (en) | 2020-09-07 | 2020-09-07 | Suspension frame structure of electric magnetic suspension rail vehicle and electric magnetic suspension rail vehicle |
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| CN110304092A (en) * | 2018-03-27 | 2019-10-08 | 中车唐山机车车辆有限公司 | A kind of magnetic suspension bogie and train |
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| KR100675314B1 (en) * | 2005-12-30 | 2007-01-29 | 한국기계연구원 | Moving apparatus of switch and crossing for magnetically levitated vehicle |
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| CN112224032B (en) | 2022-04-26 |
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