CN107187335B - A kind of suspension rack trailing arm and levitation train running mechanism - Google Patents
A kind of suspension rack trailing arm and levitation train running mechanism Download PDFInfo
- Publication number
- CN107187335B CN107187335B CN201710517702.0A CN201710517702A CN107187335B CN 107187335 B CN107187335 B CN 107187335B CN 201710517702 A CN201710517702 A CN 201710517702A CN 107187335 B CN107187335 B CN 107187335B
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- Prior art keywords
- trailing arm
- suspension rack
- lower chamber
- upper cavity
- gusset
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Classifications
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- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of suspension rack trailing arms, including the trailing arm upper cavity and trailing arm lower chamber being fixed as one, trailing arm upper cavity is provided with hollow columnar assembly position, and the two sides of hollow columnar assembly position are distributed with multiple upper gussets disposed in parallel, the outer profile edge composition rule plane of upper gusset；Trailing arm upper cavity and trailing arm lower chamber are integrally formed fiber composite thin-wall part.Using the fibrous composite of high-performance light, effectively mitigate the weight of suspension rack, and there are better impact resistant capability and damping characteristics；The surface texture that gusset replaces tradition recess is set, and the outer profile of gusset is designed to regular planar, through the design of gusset under the premise of guaranteeing has sufficient intensity, the technique that avoids complex plane from processing.To sum up, suspension rack trailing arm provided by the invention efficiently solves currently used suspension rack trailing arm, component complicated production equal technical problem at high cost.The invention also discloses a kind of levitation train running mechanisms.
Description
Technical field
The present invention relates to vehicle support traveling equipment technical fields also to relate to more specifically to a kind of suspension rack trailing arm
And a kind of levitation train running mechanism.
Background technique
Suspension rack trailing arm is an important component and its main bearing carrier for aerotrain travelled by vehicle component
One of, it is used to support car body and the weight of passenger.
Suspension rack trailing arm is mainly at present metal casting structure, for metal structure, in order to reduce trailing arm as much as possible
Weight usually digs up the part that side, bottom surface do not carry, and forms cratered surface texture, and molding surface is complicated.
However there is also certain defects for this more mature, design that is commonly used, because of removal bottom surface non-bearing
Position causes component surface shape and structure complicated, and corresponding manufacturing process requires height, and production yield rate is low and at high cost；And it limits
In the self-characteristic of metal, it is difficult to accomplish taking into account for intensity and loss of weight well.
In conclusion currently used suspension rack trailing arm how is efficiently solved, component complicated production equal skill at high cost
Art problem is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of suspension rack trailing arm, the structure of the suspension rack trailing arm
Design can efficiently solve currently used suspension rack trailing arm, the component complicated production technical problem at high cost waited, the present invention
Second purpose be to provide a kind of levitation train running mechanism including above-mentioned suspension rack trailing arm.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of suspension rack trailing arm, including the trailing arm upper cavity and trailing arm lower chamber being fixed as one, the trailing arm upper cavity is set
It is equipped with hollow columnar assembly position, the two sides of hollow columnar assembly position are distributed with multiple upper gussets disposed in parallel, described
The outer profile edge composition rule plane of upper gusset；The trailing arm upper cavity and the trailing arm lower chamber are integrally formed fibre
Tie up THIN COMPOSITE wall pieces.
Preferably, in above-mentioned suspension rack trailing arm, multiple lower chamber pilot holes, institute are evenly distributed on the trailing arm lower chamber
It states and is evenly distributed with multiple lower web plates perpendicular to the trailing arm lower chamber length direction, the lower muscle between lower chamber pilot hole
The end face of the outer profile edge of plate and the lower chamber pilot hole collectively forms plane.
Preferably, in above-mentioned suspension rack trailing arm, the trailing arm upper cavity and the trailing arm lower chamber one moulding by casting connect
It connects.
Preferably, in above-mentioned suspension rack trailing arm, the trailing arm upper cavity is internally provided with one with the trailing arm lower chamber
The fiber composite material liner core model of body formula simultaneously constitutes the fiber composite thin-wall part by the solidification of the laying of outer layer.
Preferably, in above-mentioned suspension rack trailing arm, the outer rim of hollow columnar assembly position is provided with the annular with preset thickness
Thin-wall construction.
Preferably, in above-mentioned suspension rack trailing arm, the every side in two sides of hollow columnar assembly position be provided with 4 pieces it is described on
Gusset, length direction of the upper gusset each parallel to the trailing arm upper cavity.
Preferably, in above-mentioned suspension rack trailing arm, be evenly distributed on the trailing arm lower chamber 5 pieces be parallel to each other it is described under
Gusset.
Preferably, in above-mentioned suspension rack trailing arm, the outside of the trailing arm lower chamber and trailing arm upper cavity coupling part
It is provided with angled transition joint face.
Suspension rack trailing arm provided by the invention, including the trailing arm upper cavity and trailing arm lower chamber being fixed as one, the trailing arm
Upper cavity is provided with hollow columnar assembly position, and the two sides of hollow columnar assembly position are distributed with multiple upper muscle disposed in parallel
Plate, the outer profile edge composition rule plane of the upper gusset；The trailing arm upper cavity is integrated with the trailing arm lower chamber
Molding fiber composite thin-wall part.This suspension rack trailing arm design, using the fibrous composite of high-performance light, effectively subtracts
The weight of light suspension rack, and there are better impact resistant capability and damping characteristics；Gusset is arranged to replace on conventional metals part
The surface texture for hollowing out recess, and by the outer profile edge designs of gusset at regular planar, the design by gusset is guaranteeing
Under the premise of with enough mechanical strengths, the difficult process of complex plane processing is avoided.In conclusion suspension provided by the invention
Frame torr arm efficiently solves currently used suspension rack trailing arm, component complicated production equal technical problem at high cost.
In order to reach above-mentioned second purpose, the present invention also provides a kind of levitation train running mechanism, the magnetic suspension
Vehicle running mechanism includes any of the above-described kind of suspension rack trailing arm.Since above-mentioned suspension rack trailing arm has above-mentioned technique effect, tool
Corresponding technical effect should also be had by having the levitation train running mechanism of the suspension rack trailing arm.
Detailed description of the invention
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 technical 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
It obtains other drawings based on these drawings.
Fig. 1 is the whole structural schematic diagram of suspension rack trailing arm provided in an embodiment of the present invention；
Fig. 2 is the bottom substance schematic diagram of suspension rack trailing arm provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the section structure of suspension rack trailing arm provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Trailing arm upper cavity 1, trailing arm lower chamber 2, hollow columnar assemble position 3, upper gusset 4, angled transition joint face 5, lower muscle
Plate 6, lower chamber pilot hole 7.
Specific embodiment
The embodiment of the invention discloses a kind of suspension rack trailing arms, and to solve currently used suspension rack trailing arm, component is complicated
The technical issues of production cost height etc..
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 description, 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.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is the whole structural schematic diagram of suspension rack trailing arm provided in an embodiment of the present invention；Fig. 2
For the bottom substance schematic diagram of suspension rack trailing arm provided in an embodiment of the present invention；Fig. 3 is suspension rack provided in an embodiment of the present invention
The schematic diagram of the section structure of trailing arm.
The suspension rack trailing arm that the embodiment of the present invention provides, including the trailing arm upper cavity 1 and trailing arm lower chamber being fixed as one
2, the trailing arm upper cavity 1 is provided with hollow columnar assembly position 3, and the two sides of hollow columnar assembly position 3 are distributed in parallel
The multiple upper gussets 4 being arranged, the outer profile edge composition rule plane of the upper gusset 4；The trailing arm upper cavity 1 and the support
Arm lower chamber 2 is integrally formed fiber composite thin-wall part.
This suspension rack trailing arm design provided in this embodiment, using the fibrous composite of high-performance light, effectively
Mitigate the weight of suspension rack, and there are better impact resistant capability and damping characteristics；Gusset is set and replaces conventional metals part
On the surface texture for hollowing out recess, and by the outer profile edge designs of gusset at regular planar, the design by gusset is being protected
Under the premise of card has enough mechanical strengths, the difficult process of complex plane processing is avoided.In conclusion provided by the invention outstanding
Scaffold trailing arm efficiently solves currently used suspension rack trailing arm, component complicated production equal technical problem at high cost.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
It is evenly distributed with multiple lower chamber pilot holes 7 on the trailing arm lower chamber 2, is evenly distributed between the lower chamber pilot hole 7
Multiple lower web plates 6 perpendicular to 2 length direction of trailing arm lower chamber, the outer profile edge and the cavity of resorption of the lower web plate 6
The end face of body pilot hole 7 collectively forms plane.
In technical solution provided in this embodiment, the design of trailing arm lower chamber, structure and upper cavity have been advanced optimized
Similar, equally setting gusset, lower web plate connect different lower chamber pilot holes, ensure that the good mechanical performance assembled, and
Similar constitutes plane for lower web plate outer profile and lower chamber assembly hole end surface, simplifies the surface texture of component, further letter
Production technology is changed.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
The trailing arm upper cavity 1 is connect with the integrated moulding by casting of the trailing arm lower chamber 2.
In technical solution provided in this embodiment, trailing arm upper cavity is connect with trailing arm lower chamber one moulding by casting, this sets
Meter ensure that the overall structure of suspension trailing arm is secured, not easy to break or isolate and fall off.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
The fiber composite material liner core model for being internally provided with integral type of the trailing arm upper cavity 1 and the trailing arm lower chamber 2 simultaneously leads to
The laying solidification for crossing outer layer constitutes the fiber composite thin-wall part.
In technical solution provided in this embodiment, the processing technology of suspension rack trailing arm is advanced optimized, liner core model is adopted
Be thin-wall construction with fibrous composite identical with the main body of trailing arm upper cavity, trailing arm lower chamber structure, it is integrally formed after again
It is solidified togather with main structure.On the one hand integrally formed subsequent technique is simplified, another aspect liner core model plays casting
The function of core mould can better ensure that integrally-built dimensional accuracy.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
The outer rim of hollow columnar assembly position 3 is provided with the annular thin wall structure with preset thickness.
In technical solution provided in this embodiment, to guarantee that hollow columnar assembles the intensity near position, it is arranged around it
There is thickness to reach the annular thin wall structure of preset thickness, prevents due to the stress in erection stress and use process near assembly point
Concentrate the damage for causing assembling structure.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
The every side in two sides of hollow columnar assembly position 3 is provided with 4 pieces of upper gussets 4, and the upper gusset 4 is each parallel to the support
The length direction of arm upper cavity 1.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
5 pieces of lower web plates 6 being parallel to each other are evenly distributed on the trailing arm lower chamber 2.
In the technical solution that both examples above provides, the set-up mode of gusset is optimized, assembles position in hollow columnar
Two sides equally distributed 4 pieces upper gussets are respectively set, upper gusset is parallel to the length direction of trailing arm upper cavity, is capable of providing effectively
Ground structure is reinforced；And the principle of trailing arm lower chamber is similar, the same lower web plate that muti-piece is arranged and is parallel to each other, it is up to standard in proof strength
In the case where also optimize structure.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, in above-mentioned suspension rack trailing arm,
Angled transition joint face 5 is provided on the outside of the trailing arm lower chamber 2 and 1 coupling part of trailing arm upper cavity.
In technical solution provided in this embodiment, mainly due to load-bearing and component loss of weight comprehensively consider, due to trailing arm
Substantive weighing demand is not had on the outside of lower chamber and trailing arm upper cavity coupling part, therefore sets transition herein to
The excessive face in inclined-plane mitigates the weight and materials of component to cut down the wall thickness of crossover position.
This rough process of manufacture of suspension rack trailing arm in technical solution of the present invention is as follows:
To guarantee manufacture structural behaviour and dimensional accuracy, metal die and autoclave forming technology are preferentially selected.The first step
It is to be divided into upper and lower two parts from construction angle by entire suspension rack trailing arm, is fabricated to upper and lower two that wall thickness is about 2mm and separates
Liner core model；Second step is to be bonded two parts liner core model opsition dependent requirement, forms lining core in complete suspension rack trailing arm
Mould；Third step is to carry out laying, solidification, until reaching surface thickness and shape requirement in complete liner core model outer surface；The
Four steps carry out contouring to trailing arm again, and are machined out to connecting screw hole.
Material preferentially selects prepreg.When carrying out liner core model laying, it is entangled to two layers of (0 °/90 ° and ± 45 °) preimpregnation every time
Material, two layers of origin of fibers winding position are staggered a certain distance, guarantee to intersect laying along wall thickness direction fiber cloth.It is integrally formed
When, alternately laying is carried out in antitorque and tension direction, to guarantee whole structural strength and rigidity.
The suspension rack trailing arm provided in based on the above embodiment, the present invention also provides a kind of levitation train traveling machines
Structure, levitation train running mechanism include any one suspension rack trailing arm in above-described embodiment.Due to the levitation train traveling
Mechanism uses the suspension rack trailing arm in above-described embodiment, so the beneficial effect of the levitation train running mechanism please refers to
State embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
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 readily 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 scope of cause.
Claims (8)
1. a kind of suspension rack trailing arm, which is characterized in that including the trailing arm upper cavity and trailing arm lower chamber being fixed as one, the trailing arm
Upper cavity is provided with hollow columnar assembly position, and the two sides of hollow columnar assembly position are distributed with multiple upper muscle disposed in parallel
Plate, the outer profile edge composition rule plane of the upper gusset；The trailing arm upper cavity is integrated with the trailing arm lower chamber
Molding fiber composite thin-wall part；
It is evenly distributed with multiple lower chamber pilot holes on the trailing arm lower chamber, is evenly distributed between the lower chamber pilot hole
Multiple lower web plates perpendicular to the trailing arm lower chamber length direction, the outer profile edge and the lower chamber of the lower web plate fill
The end face of distribution collectively forms plane.
2. suspension rack trailing arm according to claim 1, which is characterized in that the trailing arm upper cavity and the trailing arm lower chamber
Integrated moulding by casting connection.
3. suspension rack trailing arm according to claim 2, which is characterized in that the trailing arm upper cavity and the trailing arm lower chamber
The fiber composite material liner core model for being internally provided with integral type and the fiber composite is constituted by the solidification of the laying of outer layer
Thin-wall part.
4. suspension rack trailing arm according to claim 3, which is characterized in that the outer rim of hollow columnar assembly position, which is provided with, to be had
The annular thin wall structure of preset thickness.
5. suspension rack trailing arm according to claim 4, which is characterized in that the every side in two sides of hollow columnar assembly position is equal
It is provided with 4 pieces of upper gussets, length direction of the upper gusset each parallel to the trailing arm upper cavity.
6. suspension rack trailing arm according to claim 5, which is characterized in that be evenly distributed with 5 pieces on the trailing arm lower chamber
The lower web plate being parallel to each other.
7. suspension rack trailing arm according to claim 6, which is characterized in that the trailing arm lower chamber and the trailing arm upper cavity
Angled transition joint face is provided on the outside of coupling part.
8. a kind of levitation train running mechanism, which is characterized in that including suspension rack as described in any one of claim 1 to 7
Trailing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710517702.0A CN107187335B (en) | 2017-06-29 | 2017-06-29 | A kind of suspension rack trailing arm and levitation train running mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710517702.0A CN107187335B (en) | 2017-06-29 | 2017-06-29 | A kind of suspension rack trailing arm and levitation train running mechanism |
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| CN107187335A CN107187335A (en) | 2017-09-22 |
| CN107187335B true CN107187335B (en) | 2019-08-20 |
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| CN113022611B (en) * | 2019-12-09 | 2023-01-24 | 中车唐山机车车辆有限公司 | A slip table and magnetic levitation vehicle for magnetic levitation vehicle |
| CN113022609B (en) * | 2019-12-09 | 2023-01-24 | 中车唐山机车车辆有限公司 | Chassis for magnetic levitation vehicle and magnetic levitation vehicle |
| CN113022612B (en) * | 2019-12-09 | 2023-01-24 | 中车唐山机车车辆有限公司 | Chassis for magnetic levitation vehicle and magnetic levitation vehicle |
| CN113752848B (en) * | 2021-09-01 | 2023-07-21 | 中车唐山机车车辆有限公司 | Suspension frame, magnetic levitation train running system and magnetic levitation train |
| CN115320128B (en) * | 2022-09-19 | 2024-08-27 | 株洲电力机车广缘科技有限责任公司 | Integrated forming method for continuous carbon fiber reinforced composite material suspension bracket arm and longitudinal beam |
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