CN108556679A - Medium-low speed maglev train, running part and lap joint structure adopting V-shaped combination - Google Patents
Medium-low speed maglev train, running part and lap joint structure adopting V-shaped combination Download PDFInfo
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- CN108556679A CN108556679A CN201810600839.7A CN201810600839A CN108556679A CN 108556679 A CN108556679 A CN 108556679A CN 201810600839 A CN201810600839 A CN 201810600839A CN 108556679 A CN108556679 A CN 108556679A
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- bridging arrangement
- suspension
- limiting mechanism
- displacement limiting
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- 239000000725 suspension Substances 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000011084 recovery Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B60L13/06—Means to sense or control vehicle position or attitude with respect to railway
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a lap joint structure adopting a V-shaped combination, wherein two adjacent suspension frame units are connected through the lap joint structure, and when one suspension frame unit falls into a rail due to suspension failure, the upper ends of two fixed supports are connected through a lap joint telescopic mechanism, so that the transverse displacement of the falling suspension frame unit is limited; when the suspension frame unit falls, the lower end of the fixed support and the pull rod are limited in displacement, so that the suspension frame unit does not fall on the rail, and the train is guaranteed to continue to normally run. Because the fixed support is connected with the telescopic mechanism and the pull rod through the joint bearing, the longitudinal displacement between the two suspension frame units can be ensured; meanwhile, the lapping structure enables a certain transverse displacement to be formed between the two suspension frame units, and the lapping structure and the suspension frame units can ensure the structural decoupling capacity when the train runs on normal straight lines and curves. The invention also discloses a running part and a medium-low speed magnetic suspension train applying the lap joint structure.
Description
Technical field
The present invention relates to magnetic suspension train technical field, more particularly to a kind of middle low speed magnetic suspension train bridging arrangement.
Background technology
Medium-and low-speed maglev train EEF bogie is made of multiple suspension racks, and suspension rack unit is by left and right two independent suspensions
Module and anti-roll decoupling mechanism composition, left suspension module is identical with right suspension modular structure, is arranged symmetrically on the track of left and right, two
A independent suspending module is connected by anti-roll decoupling mechanism again, and suspension rack is the important component of medium-and low-speed maglev train, each
Suspension rack is connect by the air spring on its trailing arm with car body.
The attraction realization that magnetic suspension train generates after being powered by levitating electromagnet with interorbital suspends, every group of suspension electricity
Magnet controls it by corresponding independent levitation controller and suspends and fall.During train operation, when arbitrary in suspending module
Controller, sensor and electromagnet failure, can all influence train stable suspersion, may lead to the corresponding single suspension rack list of train
Member cannot suspend, and directly fall in the collision friction caused on track with track, under the traction of remaining normal suspension rack unit
It is towed by skid, these problems all repeatedly occurred in medium-and low-speed maglev train actual motion, had very to railroad embankment
It is big to influence.
Invention content
In view of this, the present invention provides a kind of bridging arrangement combined using V-type, can be ensured by bridging arrangement
When suspension failure occurs in single suspension rack track circuit can not be influenced under the support of adjacent suspension rack unit with normal operation
Operation.
The present invention also provides a kind of EEF bogies using above-mentioned bridging arrangement and middle low speed magnetic suspension train.
To achieve the above object, the present invention provides the following technical solutions：
A kind of bridging arrangement combined using V-type, including hold-down support, vertical displacement limiting mechanism and lateral displacement limitation
Mechanism；
Two hold-down supports are respectively used on the trailing arm opposing end surface for being fixedly mounted on two neighboring suspension rack unit；
The vertical displacement limiting mechanism is connected between two hold-down supports；
The lateral displacement limiting mechanism is connected between two hold-down supports.
Preferably, the vertical displacement limiting mechanism includes two pull rods, and the first ends of two pull rods is respectively with two
A hold-down support connection, the second end of two pull rods are interconnected to form " V " character form structure.
Preferably, oscillating bearing connection side is used between the first end and the hold-down support of at least one pull rod
Formula.
Preferably, the second end of two pull rods is connected by axis pin.
Preferably, the lateral displacement limiting mechanism includes the variable overlap joint telescoping mechanism of length.
Preferably, the overlap joint telescoping mechanism includes the first extensible member, the second extensible member and elastic recovery part；
The first end of two extensible members is connected to two hold-down supports, and the second of two extensible members
It holds scalable connection, the elastic recovery part to be arranged between the second end of two extensible members, can be to be stretched described in two
Contracting part provides elastic-restoring force that is close to each other and/or being located remotely from each other.
Preferably, first extensible member is telescoping cylinder, and second extensible member is telescopic rod, and the elastic recovery part is
Spring assembly；
The second end of the telescopic rod, which can move along a straight line, to be arranged in the second end of the telescoping cylinder, the spring assembly
Both ends are connected to the baffle of two extensible member second ends.
Preferably, it is cut with scissors using oscillating bearing between at least one end and the hold-down support of the lateral displacement limiting mechanism
It connects.
A kind of EEF bogie, including multiple suspension rack units are connected between at least two adjacent suspension rack units
Above-mentioned bridging arrangement.
A kind of middle low speed magnetic suspension train, including EEF bogie, the EEF bogie are such as above-mentioned EEF bogie.
It can be seen from the above technical scheme that the bridging arrangement provided by the invention combined using V-type, can solve
Single suspension rack unit, which is not pounded when breaking down under the support of adjacent suspension rack unit, to be fallen in orbit, while can ensure to hang
Decoupling when transverse direction when scaffold normally travel, longitudinal movement, to not influence safe operation of the train on railway line road.This
Invention additionally provides a kind of EEF bogie using above-mentioned bridging arrangement and middle low speed magnetic suspension train.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the mounting structure schematic diagram of bridging arrangement provided in an embodiment of the present invention；
Fig. 2 is the mounting structure schematic side view of bridging arrangement provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of bridging arrangement provided in an embodiment of the present invention；
Fig. 4 is bridging arrangement holding state schematic diagram after suspension rack unit provided in an embodiment of the present invention breaks down；
Fig. 5 is the schematic diagram of overlap joint stretching structure provided in an embodiment of the present invention.
Each label indicates in figure：
1- the first suspension rack units；2- hold-down supports；3- overlaps telescoping mechanism, 31- telescoping cylinders, 32- spring assemblies, 33-
Telescopic rod；4- the second suspension rack units；5- pull rods；6- axis pins；7- oscillating bearings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The bridging arrangement provided in an embodiment of the present invention combined using V-type, core improvement is, including hold-down support
2, vertical displacement limiting mechanism and lateral displacement limiting mechanism；
Two hold-down supports 2 are respectively used on the trailing arm opposing end surface for being fixedly mounted on two neighboring suspension rack unit,
Structure is referred to shown in Fig. 1 and Fig. 2, and 1 is the first suspension rack unit, and 4 be the second suspension rack unit；
Vertical displacement limiting mechanism is connected between two hold-down supports 2, can will be vertical between two hold-down supports 2
Displacement limits in a certain range；It is and outstanding it is understood that direction said here is the assembled state based on bridging arrangement
The direction of scaffold unit is identical, and it is longitudinal (i.e. before and after Fig. 1) that This train is bound for XXX, and what is be transversely to the machine direction is as lateral, perpendicular to
Longitudinal is vertically, afterwards together up and down；
Lateral displacement limiting mechanism is connected between two hold-down supports 2, can will between two hold-down supports 2 laterally
Displacement limits in a certain range.
The present invention the course of work be with principle：Adjacent two suspension rack units 1,4 are connected by bridging arrangement, when it
In suspension rack unit when suspension failure occur and falling rail, since two hold-down supports 2 are connected by lateral displacement limiting mechanism,
To limit the whereabouts suspension rack unit transverse displacement；Lateral displacement limiting mechanism can adjust lateral displacement simultaneously, convenient for adjusting
Whole failure suspension rack unit falling head, it is ensured that suspension rack unit is not fallen in orbit；When suspension rack unit falls, hold-down support
There are displacement limitations with vertical displacement limiting mechanism so that the suspension rack unit is not fallen in orbit, ensure the train after
Continuous normally travel.
It can be seen from the above technical scheme that the suspension rack unit provided in an embodiment of the present invention using V-type combination is taken
Binding structure ensures that single suspension rack hangs by the compound action of vertical displacement limiting mechanism and lateral displacement limiting mechanism
It does not pound and falls in orbit under the support of adjacent suspension rack unit when floating failure, to not influence peace of the train on railway line road
Row for the national games；Bridging arrangement makes between two suspension rack units there is certain lateral displacement, the two can ensure the train simultaneously
Structure decoupling ability when normal straight and negotiation of bends.
Preferably, vertical displacement limiting mechanism includes two pull rods 5, the first ends of this two pull rods 5 respectively with two
Hold-down support 2 connects, and the second end of two pull rods 5 is interconnected to form " V " character form structure.Compared with other shapes, this programme
" V " word pull rod 5 be capable of providing reliable and stable vertical displacement limitation.
In the present embodiment, 7 connection side of oscillating bearing is used between the first end and hold-down support 2 of at least one pull rod 5
Formula.It is not always the case design as preferably two pull rods 5.So, between pull rod 5 and hold-down support 2 have it is each to rotation from
By spending, meet the curve negotiation ability of suspension rack unit.
In order to advanced optimize above-mentioned technical solution, the second end of two pull rods 5 is connected by axis pin 6, with Hard link
Structure is compared, and has rotary freedom between pull rod 5.
Preferably, lateral displacement limiting mechanism includes the variable overlap joint telescoping mechanism 3 of length so that two hold-down supports
The distance between 2 can change but limit in a certain range.Stretch mode having the advantages of simple structure and easy realization and safeguarding.
In order to advanced optimize above-mentioned technical solution, overlap joint telescoping mechanism 3 include the first extensible member, the second extensible member and
Elastic recovery part, structure are referred to shown in Fig. 3 and Fig. 4；
Wherein, the first end of two extensible members is connected to two hold-down supports 2, and the second end of two extensible members can stretch
Contracting connection；Elastic recovery part is arranged between the second end of two extensible members, can be provided for two extensible members it is close to each other and/
Or the elastic-restoring force being located remotely from each other, the elliptical gear in suspension rack unit catastrophic failure can be alleviated, can play to slow down and shake
Dynamic effect.
In the embodiment that this programme provides, the first extensible member is telescoping cylinder 31, and the second extensible member is telescopic rod 33, elasticity
Reply part is spring assembly 32, and structure is referred to shown in Fig. 5；
Wherein, the second end of telescopic rod 33, which can move along a straight line, is arranged in the second end of telescoping cylinder 31, the linear motion side
To as along the axial direction of telescoping cylinder 31 and telescopic rod 33；The both ends of spring assembly 32 are connected to two extensible member second ends
Baffle.Here above-mentioned specific component is used, it is simple in structure, it is easy to maintain.
In order to advanced optimize above-mentioned technical solution, at least one end and hold-down support 2 of lateral displacement limiting mechanism it
Between it is hinged using oscillating bearing 7.It is not always the case design as its preferred both ends.So, make lateral displacement limiting mechanism such as
There is rotary freedom between above-mentioned overlap joint telescoping mechanism 3 and hold-down support 2, it is ensured that two suspension rack units 1,4
Between have length travel.
This programme is described further with reference to specific embodiment：
A kind of bridging arrangement of middle low speed magnetic suspension train suspension rack unit, including a pair of of hold-down support 2, a pair of of pull rod 5,
The structure compositions such as oscillating bearing 7 and overlap joint telescoping mechanism 3, hold-down support 2 is symmetrical to be fixedly mounted on two neighboring suspension rack
On the trailing arm opposing end surface of unit 1,4；3 both ends of overlap joint telescoping mechanism are separately mounted to 2 upper mounting holes of hold-down support, and connection is left
Right two hold-down supports 2 are overlapped and are hinged using oscillating bearing 7 between telescoping mechanism 3 and hold-down support 2, make overlap joint telescoping mechanism 3
There is rotary freedom between hold-down support 2；5 one end of a pair of of pull rod is separately mounted to two 2 lower parts of hold-down support in left and right
The other end of mounting hole, pull rod 5 is interconnected to form positive " V " character form structure by axis pin 6, has rotation between pull rod 5 freely
Degree, at the same between pull rod 5 and hold-down support 2 use 7 connection type of oscillating bearing, between pull rod 5 and hold-down support 2 have it is each to
Rotary freedom meets the curve negotiation ability of suspension rack unit.
The overlap joint telescoping mechanism 3 includes that structure compositions, the overlap joints such as telescopic rod 33, spring assembly 32, telescoping cylinder 31 are stretched
3 both ends of contracting mechanism are hinged by oscillating bearing 7 and hold-down support 2 respectively；It can be transported with straight line between telescopic rod 33 and telescoping cylinder 31
It is dynamic, compression displacement is limited by spring assembly 32.
The present invention the course of work be with principle：Adjacent two suspension rack units 1,4 are connected by bridging arrangement, when it
In suspension rack unit when suspension failure occur and falling rail, overlap telescoping mechanism 3 since two hold-down supports, 2 upper end passes through and connect
It connects, to limit the whereabouts suspension rack unit transverse displacement；When suspension rack unit falls, 2 lower end of hold-down support exists with pull rod 5
Displacement limits, so that the suspension rack unit is not fallen in orbit, ensures that the train continues normally travel.Due to hold-down support
It is connected by oscillating bearing 7 between 2 and overlap joint telescoping mechanism 3, pull rod 5, it is ensured that have between two suspension rack units 1,4
Length travel；Bridging arrangement makes between two suspension rack units 1,4 there is certain lateral displacement, the two can ensure this simultaneously
Structure decoupling ability when train normal straight and negotiation of bends.
Fig. 4 is bridging arrangement holding state schematic diagram after suspension rack unit breaks down, and wherein H1 is two suspension rack units
Between difference in height, S1 is the deformation quantity of spring assembly, and G1 and G2 are respectively the amount of exercise of two pull rods 5.
The embodiment of the present invention additionally provides a kind of EEF bogie, including multiple suspension rack units, core improvement are, until
It is connected with above-mentioned bridging arrangement between few two adjacent suspension rack units.As shown in Figure 1, preferably, bridging arrangement water
Flat to be symmetrically installed and longitudinal close to intermediate position positioned at suspension rack unit, function and effect are even more ideal.
The embodiment of the present invention additionally provides a kind of middle low speed magnetic suspension train, including EEF bogie, and core improvement is,
EEF bogie is above-mentioned EEF bogie.
The present invention uses the advantages of above-mentioned aspect scheme to be：
1, the present invention realizes middle low speed magnetic suspension train suspension rack unit in the case where levitating electromagnet breaks down,
Failure suspension rack unit is not fallen in orbit under the support of adjacent suspension rack unit, ensures the safe operation of train；
2, the configuration of the present invention is simple, easy to maintain, after the failure of suspension rack unit, which can ensure train
Normally travel function (including suspend, be oriented to etc.)；
3, structure of the invention can ensure the movement relation between suspension rack unit, make have cross between suspension rack unit
To, longitudinal mobile decoupling ability, it can be ensured that curve negotiating；
4, telescoping mechanism uses spring assembly in structure of the invention, can alleviate and be moved in suspension rack unit catastrophic failure
Impact, can play the effect of slowing down vibration；Collapsing length can be adjusted by overlapping telescoping mechanism simultaneously, be conveniently adjusted failure suspension
Frame unit falling head, it is ensured that suspension rack unit is not fallen in orbit.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. it is a kind of using V-type combine bridging arrangement, which is characterized in that including hold-down support (2), vertical displacement limiting mechanism and
Lateral displacement limiting mechanism；
Two hold-down supports (2) are respectively used on the trailing arm opposing end surface for being fixedly mounted on two neighboring suspension rack unit；
The vertical displacement limiting mechanism is connected between two hold-down supports (2)；
The lateral displacement limiting mechanism is connected between two hold-down supports (2).
2. bridging arrangement according to claim 1, which is characterized in that the vertical displacement limiting mechanism includes two pull rods
(5), the first end of two pull rods (5) is connect with two hold-down supports (2) respectively, and the of two pull rods (5)
Two ends are interconnected to form " V " character form structure.
3. bridging arrangement according to claim 2, which is characterized in that the first end of at least one pull rod (5) and institute
It states and uses oscillating bearing (7) connection type between hold-down support (2).
4. bridging arrangement according to claim 2, which is characterized in that the second end of two pull rods (5) passes through axis pin
(6) it connects.
5. bridging arrangement according to claim 1, which is characterized in that the lateral displacement limiting mechanism includes that length is variable
Overlap joint telescoping mechanism (3).
6. bridging arrangement according to claim 5, which is characterized in that the overlap joint telescoping mechanism (3) includes first flexible
Part, the second extensible member and elastic recovery part；
The first end of two extensible members is connected to two hold-down supports (2), and the second of two extensible members
It holds scalable connection, the elastic recovery part to be arranged between the second end of two extensible members, can be to be stretched described in two
Contracting part provides elastic-restoring force that is close to each other and/or being located remotely from each other.
7. bridging arrangement according to claim 6, which is characterized in that first extensible member is telescoping cylinder (31), described
Second extensible member is telescopic rod (33), and the elastic recovery part is spring assembly (32)；
The second end of the telescopic rod (33), which can move along a straight line, to be arranged in the second end of the telescoping cylinder (31), the groups of springs
The both ends of part (32) are connected to the baffle of two extensible member second ends.
8. bridging arrangement according to claim 1, which is characterized in that at least one end of the lateral displacement limiting mechanism with
It is hinged using oscillating bearing (7) between the hold-down support (2).
9. a kind of EEF bogie, including multiple suspension rack units, which is characterized in that at least two adjacent suspension rack units it
Between connection just like the bridging arrangement described in claim 1-8 any one.
10. a kind of middle low speed magnetic suspension train, including EEF bogie, which is characterized in that the EEF bogie is as claimed in claim 9
EEF bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600839.7A CN108556679A (en) | 2018-06-12 | 2018-06-12 | Medium-low speed maglev train, running part and lap joint structure adopting V-shaped combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600839.7A CN108556679A (en) | 2018-06-12 | 2018-06-12 | Medium-low speed maglev train, running part and lap joint structure adopting V-shaped combination |
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| CN108556679A true CN108556679A (en) | 2018-09-21 |
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|---|---|---|---|
| CN201810600839.7A Pending CN108556679A (en) | 2018-06-12 | 2018-06-12 | Medium-low speed maglev train, running part and lap joint structure adopting V-shaped combination |
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