CN106627631A - Tramcar body front-end structure - Google Patents
Tramcar body front-end structure Download PDFInfo
- Publication number
- CN106627631A CN106627631A CN201611221754.5A CN201611221754A CN106627631A CN 106627631 A CN106627631 A CN 106627631A CN 201611221754 A CN201611221754 A CN 201611221754A CN 106627631 A CN106627631 A CN 106627631A
- Authority
- CN
- China
- Prior art keywords
- mounting seat
- hitch
- hitch mounting
- support beam
- seat support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
- B61F1/10—End constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
Abstract
The invention discloses a tramcar body front-end structure. A left edge beam and a right edge beam are fixed to the two ends of a front end beam. A car coupler installation base is fixed to the front end beam in a centering mode. One end of a left coupler installation base supporting beam and one end of a right coupler installation base supporting beam are fixed to a car coupler installation base outer vertical plate. The other end of the left car coupler installation base supporting beam and the other end of the right car coupler installation base supporting beam are connected with a transverse beam of a passenger compartment chassis. The left car coupler installation base supporting beam is fixed to the inner side of the car coupler installation base outer vertical plate. The right car coupler installation base supporting beam is fixed to the inner side of the car coupler installation base outer vertical plate. The tramcar body front-end structure has the advantages that due to the structure, installation of a semiautomatic folding car coupler with the automatic centering function is ensured, and the size limit of the installed car coupler is within the car limit; the structural arrangement is uniform, and the stability is enhanced; the structure is simpler, machining is easy, and the bearing capacity is enhanced.
Description
Technical field
The present invention relates to a kind of body construction, more particularly to a kind of tramcar car body front-end architecture.
Background technology
Beijing modern tram western suburb line engineering truck is that 100% low-floor tramcar is researched and developed in my company's design,
Whole design works are completed and have put into production.Modern domestic tramcar front-end architecture design is day by day ripe, with
The requirement more and more higher to hitch such as handling capacity of passengers, overall trip speed of tramcar, the performance of front-end architecture also must be with car
The increase of hook performance and Optimal improvements.
Because rail conditions, handling capacity of passengers, car operation speed etc. have requirements at the higher level, west suburb in Beijing line modern tram
There is some difference with traditional hitch installation for western suburb line engineering truck hitch installation.
Former scheme front-end architecture, mainly installs seat supports by front beam, left side beam, the right beam, hitch mounting seat, left hitch
The part such as beam and right hitch mounting seat support beam constitutes, and primary structure is constituted by multiple bending parts and sheet material are combined and spliced.
Hitch mounting seat and left hitch mounting seat support beam, right hitch mounting seat support beam structure relation, left hitch is installed
Seat supports beam, right hitch mounting seat support beam are welded on the outside of hitch mounting seat outer vertical plate, left hitch mounting seat support beam, the right side
Hitch mounting seat support beam rear side is connected to guest room body transom front-end surface, it is ensured that hitch installing plate is subject to when hitch runs
Longitudinal force can backward be delivered to guest room body transom.
The shortcoming of existing tramcar car body front-end architecture is：
1. the installation requirements of the semi-automatic folding hitch with automatic centering function can not be met：
Beijing modern tram western suburb line engineering truck employs the semi-automatic folding car with automatic centering function
Purchase, the hitch has buffer and automatic centering mechanism, bigger than former draw bar in appearance and size, is limited by vehicle gauge
System, needs the mounting interface of hitch installing plate different from traditional draw bar mounting interface.
2. unreasonable structure：
Existing hitch mounting seat adopts " U " type hitch installing plate, left hitch mounting seat support beam, right hitch mounting seat
Support beam is welded on the outside of hitch mounting seat riser, and oblique is connected to guest room body transom front-end surface.Due to the structure
Hitch installing plate is " U " type structure, and lower openings are excessive, and globality is lacked in structure；Left hitch mounting seat support beam, right car
Hook mounting seat support beam is arranged in hitch mounting seat outside, in drawing, the pressure that hitch mounting seat is subject to hitch transmission, power
Conducting path can occur " turning round ", cause the generation of extra, harmful torque, have a strong impact on the fatigue life of weld seam.
3. difficulty of processing is big：
Because structure needs in prior art, left hitch mounting seat support beam, right hitch mounting seat support beam are variable cross-section
Box-girder, in Qian Hou both sides processing welding technique mouth is required for, and with the connection of part before and after cooperation, manufacturing procedure is more, production stream
Journey is complicated.
4. structural strength is to be optimized：
Due to prior art construction very not rationally, the result of FEM calculation shows, in hitch mounting seat maximum drawing is born
When power or pressure, the maximum stress of front-end architecture has exceeded the yield strength of material.
The content of the invention
Present invention solves the technical problem that being：1. guarantee the collapsible hitch with automatic centering function after installing in vehicle
In gauge, the installation requirement of hitch is met；2. change the structure of hitch mounting seat, make hitch installing plate more adduction in structure
Reason；Change left hitch mounting seat support beam, right hitch mounting seat support beam installation site and arrangement form, it is to avoid longitudinal force is being passed
Extra, harmful torque is produced when passing；3. left hitch mounting seat support beam, the section shape of right hitch mounting seat support beam are changed
Formula so as to be more convenient processing on the premise of proof strength is required；4., for the design feature of front-end architecture, rationally place's arrangement adds
Strong muscle, it is ensured that allowable stress of maximum stress of the structure when hitch mounting seat bears maximum pull or pressure less than material.
This tramcar car body front-end architecture, left side beam and the right beam are fixed on the two ends of front beam, hitch mounting seat
Centering is fixed on front beam, and one end of left hitch mounting seat support beam and right hitch mounting seat support beam is fixed on hitch installation
On seat outer vertical plate, the other end of left hitch mounting seat support beam and right hitch mounting seat support beam is connected with guest room body transom,
Left hitch mounting seat support beam is fixed on the inner side of hitch mounting seat outer vertical plate, and right hitch mounting seat support beam is fixed on hitch peace
The inner side of dress seat outer vertical plate.
Hitch is provided between described hitch mounting seat and left hitch mounting seat support beam and right hitch mounting seat support beam
Installing plate, hitch installing plate is entire plate.
Described hitch installing plate is provided with hitch installing hole.
The section of described left hitch mounting seat support beam is uniform section, and the section of right hitch mounting seat support beam is cut for fixed
Face.
Shown hitch mounting seat is provided with reinforcement with guest room body transom junction.
Shown hitch installing plate is provided with and unloads power hole.
It is an advantage of the current invention that：
1. this programme structure ensure that the installation of the purchase of the semi-automatic folding car with automatic centering function, it is ensured that hitch is installed
Dimensional limitations afterwards are in vehicle gauge.
2. have changed left hitch mounting seat support beam, the position of right hitch mounting seat support beam, be allowed to hitch mounting seat,
Guest room body transom connection, structure arrangement is uniform, and stability strengthens.
3. left hitch mounting seat support beam, the uniform section structure of right hitch mounting seat support beam are more simple, it is easy to process.
4. local strengthening is carried out using reinforcement, it is ensured that maximum stress of the structure when maximum pull or pressure is born is less than
The allowable stress of material, strengthens bearing capacity.
Description of the drawings
Fig. 1 is the schematic diagram of tramcar car body front-end architecture.
Fig. 2 is the A-A views of Fig. 1.
Reference is as follows：The left hitch mounting seat support beams of 1-, the right hitch mounting seat support beams of 2-, 3- hitch mounting seats,
4- front beams, 5- left sides beam, 6- the right beam, 11- hitch installing plates, 111- hitch installing holes, 112- unloads power hole, 31- reinforcements.
Specific embodiment
Tramcar car body front-end architecture is further described below in conjunction with the accompanying drawings.
This tramcar car body front-end architecture, left side beam 5 and the right beam 6 are fixed on the two ends of front beam 4, and hitch is installed
3 centerings of seat are fixed on front beam 4, and one end of left hitch mounting seat support beam 1 and right hitch mounting seat support beam 2 is fixed on car
On hook mounting seat outer vertical plate, the other end of left hitch mounting seat support beam 1 and right hitch mounting seat support beam 2 is horizontal with guest room underframe
Beam connects, and left hitch mounting seat support beam 1 is fixed on the inner side of hitch mounting seat outer vertical plate, and right hitch mounting seat support beam 2 is consolidated
The inner side of hitch mounting seat outer vertical plate is scheduled on, uniform, overall structure is constituted, bearing capacity has the knot of higher stability
Structure.Hitch installing plate 11 is provided between hitch mounting seat 3 and left hitch mounting seat support beam 1 and right hitch mounting seat support beam 2,
Hitch installing plate 11 is entire plate, changes structure, arrangement and the connected mode of hitch installing plate 11, it is ensured that with automatic centering work(
The installation of the folding hitch of energy, and guarantee that installing rear car is hooked in vehicle gauge.Hitch installing plate 11 is provided with hitch installing hole
111, it is attached with hitch for car body, can be according to the gauge of different circuits difference to hitch mounting seat 3 and hitch peace
The hitch installing hole 111 of dress plate 11 is adjusted.The section of left hitch mounting seat support beam 1 be uniform section, right hitch mounting seat
The section of support beam 2 is uniform section, uniform section, that is to say, that for the structure of relatively original variable cross-section, new mechanism due to
Using uniform section, on the premise of design requirement is ensured, it is easier to process.Hitch mounting seat 3 and guest room body transom junction
It is provided with reinforcement 31, it is ensured that maximum stress of the overall structure when hitch mounting seat bears maximum pull or pressure is less than material
Allowable stress.Hitch installing plate 11 is provided with and unloads power hole 112.
Can select whether to use hitch mounting seat support beam, select according to the maximum pull of different vehicle or pressure difference
The version of hitch mounting seat support beam is selected (specifically, when under the maximum pull of vehicle or pressure effect, structure is most
When big allowable stress is less than the yield strength of material, left hitch mounting seat support beam 1, right hitch mounting seat support beam 2 can be selected
Select and disappear or reduce the left hook mounting seat support beam 1 of car, the wall thickness of right hitch mounting seat support beam 2, or left hitch is installed
Seat supports beam 1, right hitch mounting seat support beam 2 carry out appropriate increase and unload power hole or lightening hole：Vice versa).
General principle, primary structure and the advantage of the present invention has been shown and described above.The technical staff of the industry should
Understand, without departing from the spirit and scope of the present invention, the present invention there can also be the changes and improvements in size and direction etc.,
These changes and improvements are both fallen within claimed the scope of the present invention.
Claims (6)
1. a kind of tramcar car body front-end architecture, left side beam and the right beam are fixed on the two ends of front beam, hitch mounting seat pair
In be fixed on front beam, one end of left hitch mounting seat support beam and right hitch mounting seat support beam is fixed on hitch mounting seat
On outer vertical plate, the other end of left hitch mounting seat support beam and right hitch mounting seat support beam is connected with guest room body transom, its
It is characterised by：Left hitch mounting seat support beam is fixed on the inner side of hitch mounting seat outer vertical plate, and right hitch mounting seat support beam is consolidated
It is scheduled on the inner side of hitch mounting seat outer vertical plate.
2. tramcar car body front-end architecture according to claim 1, it is characterised in that：Described hitch mounting seat and a left side
Hitch installing plate is provided between hitch mounting seat support beam and right hitch mounting seat support beam, hitch installing plate is entire plate.
3. tramcar car body front-end architecture according to claim 2, it is characterised in that：Set on described hitch installing plate
There is hitch installing hole.
4. tramcar car body front-end architecture according to claim 1, it is characterised in that：Described left hitch mounting seat
The section of support beam is uniform section, and the section of right hitch mounting seat support beam is uniform section.
5. tramcar car body front-end architecture according to claim 1, it is characterised in that：Shown hitch mounting seat and visitor
Room body transom junction is provided with reinforcement.
6. tramcar car body front-end architecture according to claim 2, it is characterised in that：Set on shown hitch installing plate
Unload power hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221754.5A CN106627631A (en) | 2016-12-27 | 2016-12-27 | Tramcar body front-end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221754.5A CN106627631A (en) | 2016-12-27 | 2016-12-27 | Tramcar body front-end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106627631A true CN106627631A (en) | 2017-05-10 |
Family
ID=58832312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611221754.5A Pending CN106627631A (en) | 2016-12-27 | 2016-12-27 | Tramcar body front-end structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106627631A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085835A (en) * | 2011-10-31 | 2013-05-08 | 南车青岛四方机车车辆股份有限公司 | Coupler box |
| CN203427808U (en) * | 2013-08-29 | 2014-02-12 | 南车南京浦镇车辆有限公司 | Cold riveting type car coupler mounting base |
| CN103802849A (en) * | 2014-03-05 | 2014-05-21 | 南车株洲电力机车有限公司 | B-shaped subway vehicle body structure |
| CN104085417A (en) * | 2014-07-24 | 2014-10-08 | 南车南京浦镇车辆有限公司 | Railway vehicle outside-sleeper structure |
| CN104691566A (en) * | 2015-03-02 | 2015-06-10 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle and traction beam thereof |
| CN204605821U (en) * | 2015-03-27 | 2015-09-02 | 长春轨道客车股份有限公司 | Under-carriage end construction in the middle of EMU |
| CN204750190U (en) * | 2015-06-24 | 2015-11-11 | 南车青岛四方机车车辆股份有限公司 | Backstop roof beam of single track motor car and anti -creep energy -absorbing device thereof |
| CN106004911A (en) * | 2016-06-17 | 2016-10-12 | 中车南京浦镇车辆有限公司 | Subway train body chassis structure without sleeper beam |
-
2016
- 2016-12-27 CN CN201611221754.5A patent/CN106627631A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085835A (en) * | 2011-10-31 | 2013-05-08 | 南车青岛四方机车车辆股份有限公司 | Coupler box |
| CN203427808U (en) * | 2013-08-29 | 2014-02-12 | 南车南京浦镇车辆有限公司 | Cold riveting type car coupler mounting base |
| CN103802849A (en) * | 2014-03-05 | 2014-05-21 | 南车株洲电力机车有限公司 | B-shaped subway vehicle body structure |
| CN104085417A (en) * | 2014-07-24 | 2014-10-08 | 南车南京浦镇车辆有限公司 | Railway vehicle outside-sleeper structure |
| CN104691566A (en) * | 2015-03-02 | 2015-06-10 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle and traction beam thereof |
| CN204605821U (en) * | 2015-03-27 | 2015-09-02 | 长春轨道客车股份有限公司 | Under-carriage end construction in the middle of EMU |
| CN204750190U (en) * | 2015-06-24 | 2015-11-11 | 南车青岛四方机车车辆股份有限公司 | Backstop roof beam of single track motor car and anti -creep energy -absorbing device thereof |
| CN106004911A (en) * | 2016-06-17 | 2016-10-12 | 中车南京浦镇车辆有限公司 | Subway train body chassis structure without sleeper beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |