CN103802848B - The hood structure of bullet train headstock and installation method - Google Patents
The hood structure of bullet train headstock and installation method Download PDFInfo
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- CN103802848B CN103802848B CN201210445273.8A CN201210445273A CN103802848B CN 103802848 B CN103802848 B CN 103802848B CN 201210445273 A CN201210445273 A CN 201210445273A CN 103802848 B CN103802848 B CN 103802848B
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- shield
- head
- lower head
- bullet train
- upper head
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The present invention relates to hood structure and the installation method of a kind of bullet train headstock, it is made up of upper head-shield and lower head-shield two parts, it is mutually inserted by connected structure between described upper head-shield and lower head-shield that connection, described upper head-shield and lower head-shield are fixing with car body and/or vehicle body attachment respectively to be connected.Present configuration is simple, head-shield being divided into upper head-shield and lower head-shield is mutually inserted two parts of connection, outward appearance whole structure is good, and total is easily installed and dismantles, after dismounting, upper head-shield and lower head-shield can be to run with car in placing car, it is achieved train is even hung, rescue function.Separately, this head-shield can be installed by outside, solves owing to the vehicle body installing space head-shield that brings of limitation cannot installation question.
Description
Technical field
The present invention relates to the vehicle head structure of a kind of bullet train, particularly to a kind of bullet train headstock hood structure and
Installation method, belongs to high-speed train body manufacturing technology field.
Background technology
Along with improving constantly of train running speed, the aerodynamic drag suffered by train the most quickly increases, and runs for reducing
Aerodynamic drag and improve aerodynamic performance, the headstock monnolithic case of bullet train uses streamlined, streamlined have power-assisted in
Reduce air drag.Having an important parameter in the head dummy parameter of headstock is exactly slenderness ratio, at two bullet trains in phase
Mutually during intersection, during meeting, speed is the highest, and the intensity of Train Crossing Pressure Waves is the biggest, but Train Crossing Pressure Waves amplitude can be along with head length
Carefully than increase and approximately linearly substantially reduce, in order to effectively reduce the intensity of the pressure wave that bullet train meeting causes,
Further reducing air drag, the fairshaped slenderness ratio of train is increasing, and the inside thereby resulting in train head construction is empty
Between more and more less.
At present on bullet train, it is positioned at that the hood structure of train head is commonly used to be divided into along the longitudinally asymmetric face of car body
The structure of left and right two pieces, is provided with two groups of automatic on/off mechanisms in left and right two build covers, convenient in some special situation
Carry out with other vehicle down even hanging.But this hood structure, owing to the fairshaped slenderness ratio of train is increasing, makes vehicle body
Installing space is limited by bigger, it is impossible to is made from inside the car installation, and then brings head-shield installation and removal the most difficult
Problem.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above, it is provided that the hood structure of a kind of bullet train headstock and installation
Method, simple in construction, it is easy to installation and removal, solve train head space narrow and small, it is impossible to asking of automatic shutter head-shield is installed
Topic.
For achieving the above object, technical solutions according to the invention are:
The hood structure of a kind of bullet train headstock, is made up of upper head-shield and lower head-shield two parts, described upper head-shield and under
It is mutually inserted connection, described upper head-shield and lower head-shield by connected structure solid with car body and/or vehicle body attachment respectively between head-shield
Fixed connection.
Further, the cut-off rule light between cut-off rule and car body and the pilot between described upper head-shield and lower head-shield slips over
Cross.
Further, described connected structure be the slot cooperated that is separately positioned on described upper head-shield and lower head-shield and
Inserted block, described inserted block realizes the socket connection between described upper head-shield and lower head-shield in inserting described slot.
Further, described inserted block is the flanging of fold inward bottom described upper head-shield, described slot for protrude from described under
The section at head-shield top is the structure of U-shaped.
Further, between described slot and inserted block, it is provided with rubber blanket.
Further, described upper head-shield is fixing with car body plate-girder to be connected, and described lower head-shield is fixing with pilot to be connected.
Further, described car body plate-girder is fixed with for described on head-shield fix the upper mounting seat being connected, in institute
State be fixed with on pilot for fix with described lower head-shield the lower mounting seat being connected, described upper head-shield and lower head-shield respectively with institute
State mounting seat and lower mounting seat to connect by securing member is fixing.
Further, described upper head-shield and described lower head-shield all use inside and outside eyelid covering and the sandwich of middle core, described
Inside and outside eyelid covering uses carbon fibre composite, and middle core is foamed materials.
Further, the inside panel of described lower head-shield is covered with one layer of aramid fiber composite material again.
Another technical scheme of the present invention is:
The installation method of the hood structure of a kind of bullet train headstock, is made up of upper head-shield and lower head-shield two parts, described
It is mutually inserted connection by connected structure between upper head-shield and lower head-shield, first described lower head-shield is passed through with car body or vehicle body attachment
Securing member is fixing to be connected, then is pushed along described lower head-shield by described connected structure by described upper head-shield, when described upper head-shield reaches
It is connected by securing member is fixing with car body or vehicle body attachment behind precalculated position.
To sum up content, the hood structure of bullet train headstock of the present invention and installation method, simple in construction, it is considered to row
Car profile needs and car door size, is divided into head-shield and lower head-shield is mutually inserted two parts of connection, and outward appearance whole structure is good,
And total is easily installed and dismantles, after dismounting, upper head-shield and lower head-shield can be to run with car in placing car, it is achieved train
Even extension, rescue function.Separately, this head-shield can be installed by outside, solves owing to vehicle body installing space limits to the head-shield brought
Cannot installation question.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is head-shield and lower head-shield attachment structure schematic diagram in the present invention；
Fig. 3 is the mounting structure schematic diagram of head-shield in the present invention；
Fig. 4 is the mounting structure schematic diagram of head-shield under the present invention.
As shown in Figures 1 to 4, upper head-shield 1, lower head-shield 2, car body 3, pilot 4, cut-off rule 5, cut-off rule 6, car body plate-girder
7, slot 8, inserted block 9, rubber blanket 10, upper mounting seat 11, bolt 12, lower mounting seat 13, bolt 14, adjust pad 15, cushion
Circle 16, adjusts pad 17.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, the hood structure of bullet train headstock of the present invention, integral cutting becomes upper and lower two parts,
It is respectively upper head-shield 1 and lower head-shield 2.Consider train monnolithic case and car door size, by between upper head-shield 1 and lower head-shield 2
The cut-off rule position that is arranged between car body 3 and pilot 4 of cut-off rule 5, and cut-off rule 6 light between car body 3 and pilot 4
Slip over and cross.
In order to mount and dismount conveniently, it is achieved install outside car body, tied by grafting between upper head-shield 1 and lower head-shield 2
Structure is mutually inserted connection, and upper head-shield 1 is fixing with the car body plate-girder 7 being positioned at both sides, car body leading section to be connected, lower head-shield 2 and pilot
4 fixing connections.
As in figure 2 it is shown, the connected structure between upper head-shield 1 and lower head-shield 2, for being separately positioned on upper head-shield 1 and lower head-shield 2
On the slot 8 cooperated and inserted block 9.In the present embodiment, inserted block 9 is to be arranged on the flanging of fold inward bottom head-shield 1,
Inserted block 9 is arranged on the dual-side bottom head-shield 1, and slot 8 is then the structure that section is U-shaped protruding from lower head-shield 2 top, inserts
Groove 8 is inwardly open, and slot 8 is arranged on the dual-side at lower head-shield 2 top, it is ensured that inserted block 9 can be smoothly inserted in slot 8.In peace
During dress, the inserted block 9 on upper head-shield 1 inserts in slot 8, and is pushed into precalculated position along slot 8, so realize upper head-shield 1 and under
Socket connection between head-shield 2.For avoiding upper head-shield 1 and lower head-shield 2 rigid contact when mounted, in the present embodiment, at inserted block 9
Upper surface paste one layer of rubber blanket 10.Slot 8 and inserted block 9 can also use other connected structure form, as at upper head-shield 1
The inwardly projecting slot arranging an opening downwards in bottom, correspondingly arranges inserted block 9 etc. the top of lower head-shield 2 is protruding upward.
As it is shown on figure 3, be welded with mounting seat 11 on multiple on car body plate-girder 7, upper head-shield 1 is tight by bolt 12 grade
Firmware is fixing with upper mounting seat 11 to be connected, thus is fixed together with car body 3 by upper head-shield 1.Upper mounting seat 11 with on
Cushioning spring washer 16 between head-shield 1, it is ensured that fixation, it is ensured that in train longtime running, upper head-shield 1 is connected with car body plate-girder 7
Reliably.Cushioning adjusts pad 17 simultaneously, may be because of the gap manufactured, alignment error produces for regulation.
As shown in Figure 4, pilot 4 is fixed with multiple lower mounting seat 13, lower head-shield 2 by bolt 14 securing member such as grade with
Lower mounting seat 13 is fixing to be connected, thus is fixed together with pilot 4 by lower head-shield 2.Two HARD selected by bolt 14
LOCK nut self-locking is fixed, it is ensured that in train longtime running, lower head-shield 2 is connected reliably with pilot 4.Lower mounting seat 13 with under
Between head-shield 2, cushioning adjusts pad 15, may be because of the gap manufactured, alignment error produces for regulation.
As shown in Figures 2 and 3, upper head-shield 1 uses the sandwich being made up of inside panel, exterior skin and middle core, its
In, middle core uses T90 foam core thick for 20mm, and exterior skin uses the carbon fibre composite that 3mm is thick, and inside panel uses
The carbon fibre composite that 4mm is thick.
As shown in Figure 2 and Figure 4, lower head-shield 2 is also adopted by the sandwich being made up of inside panel, exterior skin and middle core,
Wherein, middle core uses T90 foam core thick for 30mm, and exterior skin uses the carbon fibre composite that 4mm is thick, and inside panel is adopted
With the carbon fibre composite that 2mm is thick, the carbon fibre composite of inside panel re-lays the thick aramid fiber composite wood of one layer of 2mm
Material.
Upper head-shield 1 and lower head-shield 2 use this carbon fibre composite and the sandwich of foam composition, not only can protect
Head-shield 1 and the bulk strength of lower head-shield 2 on card, can reduce the overall weight of upper head-shield 1 and lower head-shield 2 simultaneously as much as possible
Amount, meets the requirement that bullet train is the highest to lightweight.
The installation method of the hood structure of bullet train headstock is described below in detail, specifically includes following steps:
Step A, first lower head-shield 2 is put in place, by bolt 14 and the lower mounting seat 13 being weldingly fixed on pilot 4
It is fixed together.Step B, upper head-shield 1 is pushed along lower head-shield 2 by connected structure.
Step C, after upper head-shield 1 reaches precalculated position, by bolt 12 and the upper peace being weldingly fixed on car body plate-girder 7
Dress seat 11 is fixed together, and forms complete head-shield.
During dismounting, dismantle by above-mentioned contrary order.
This hood structure is simple, and outward appearance whole structure is good, and when special circumstances need to realize with other coupling of vehicles,
Installing/dismounting is the most very convenient, and after dismounting, upper head-shield 1 and lower head-shield 2, because volume is relatively small, also can put into the car of train
Run with car in railway carriage or compartment, it is achieved train is even hung, rescue function, and the transport of head-shield is convenient to.This hood structure can also realize
Installed by outside, solve owing to the vehicle body installing space head-shield that brings of limitation cannot installation question.
As it has been described above, plan content given in conjunction with the accompanying drawings and embodiments, similar technical scheme can be derived.But
Every content without departing from technical solution of the present invention, according to the technical spirit of the present invention above example is made any simply
Amendment, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (8)
1. the hood structure of a bullet train headstock, it is characterised in that: be made up of upper head-shield and lower head-shield two parts, described on
Between head-shield and lower head-shield by connected structure be mutually inserted connection, described upper head-shield and lower head-shield respectively with car body and/or car
Body adnexa is fixing to be connected, described connected structure be the slot cooperated being separately positioned on described upper head-shield and lower head-shield and
Inserted block, described inserted block realizes the socket connection between described upper head-shield and lower head-shield in inserting described slot, and described inserted block is institute
Stating the flanging of fold inward bottom head-shield, described slot is the structure that section is U-shaped protruding from described lower head-shield top.
The hood structure of bullet train headstock the most according to claim 1, it is characterised in that: described upper head-shield and lower head-shield
Between cut-off rule and car body and pilot between cut-off rule smoothly transit.
The hood structure of bullet train headstock the most according to claim 1, it is characterised in that: described slot and inserted block it
Between be provided with rubber blanket.
The hood structure of bullet train headstock the most according to claim 1, it is characterised in that: described upper head-shield and body panels
Beam is fixing to be connected, and described lower head-shield is fixing with pilot to be connected.
The hood structure of bullet train headstock the most according to claim 4, it is characterised in that: solid on described car body plate-girder
Surely have for fixing, with described upper head-shield, the upper mounting seat being connected, described pilot is fixed with for solid with described lower head-shield
The fixed lower mounting seat connected, described upper head-shield and lower head-shield are fixed by securing member with described upper mounting seat and lower mounting seat respectively
Connect.
6. according to the hood structure of the bullet train headstock described in any one of claim 1 to 5, it is characterised in that: described top
Cover and described lower head-shield all use inside and outside eyelid covering and the sandwich of middle core, and described inside and outside eyelid covering uses carbon fiber to be combined
Material, middle core is foamed materials.
The hood structure of bullet train headstock the most according to claim 6, it is characterised in that: in the Inner Mongol of described lower head-shield
One layer of aramid fiber composite material it is covered with again on skin.
8. the installation method of the hood structure of a bullet train headstock, it is characterised in that: by upper head-shield and lower head-shield two parts
Composition, is mutually inserted connection by connected structure between described upper head-shield and lower head-shield, first by described lower head-shield and car body or car
Body adnexa connects by securing member is fixing, then is pushed along described lower head-shield by described connected structure by described upper head-shield, works as institute
State and be connected by securing member is fixing with car body or vehicle body attachment after head-shield reaches precalculated position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210445273.8A CN103802848B (en) | 2012-11-08 | 2012-11-08 | The hood structure of bullet train headstock and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210445273.8A CN103802848B (en) | 2012-11-08 | 2012-11-08 | The hood structure of bullet train headstock and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802848A CN103802848A (en) | 2014-05-21 |
| CN103802848B true CN103802848B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210445273.8A Active CN103802848B (en) | 2012-11-08 | 2012-11-08 | The hood structure of bullet train headstock and installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620500B (en) * | 2014-10-28 | 2020-01-14 | 上海略帷汽车设计有限公司 | Balance pressure type high-speed train head |
| CN105128876B (en) * | 2015-09-14 | 2018-09-25 | 西南交通大学 | A kind of carbon fibre composite car body and its manufacturing method |
| CN105523052B (en) * | 2015-12-20 | 2018-02-16 | 沈阳市沈飞专用设备厂 | A kind of carbon fiber skin structure |
| CN106314460B (en) * | 2016-08-26 | 2018-04-03 | 中车株洲电力机车有限公司 | A kind of mounting structure and installation method of drivers' cab head-shield |
| CN113085939B (en) * | 2021-05-06 | 2023-03-24 | 中车青岛四方机车车辆股份有限公司 | Obstacle removing device and rail vehicle |
| CN113306581B (en) * | 2021-06-11 | 2022-11-22 | 中车青岛四方机车车辆股份有限公司 | Fixed cover, hood and rail vehicle |
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| CN103802848A (en) | 2014-05-21 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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