CN115179986A - Straddle type single-rail head end chassis frame structure - Google Patents
Straddle type single-rail head end chassis frame structure Download PDFInfo
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- CN115179986A CN115179986A CN202211019234.1A CN202211019234A CN115179986A CN 115179986 A CN115179986 A CN 115179986A CN 202211019234 A CN202211019234 A CN 202211019234A CN 115179986 A CN115179986 A CN 115179986A
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- 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
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Abstract
The invention discloses a straddle type monorail head end chassis frame structure which comprises a chassis frame structure, wherein a hollow area used for avoiding a tire area is arranged in the chassis frame structure, an anti-creeper connector and a coupler connector are arranged at the front end of the chassis frame structure, a connecting plate boundary beam connector is arranged on the side face of the chassis frame structure, a suspension connector is arranged at the bottom of the chassis frame structure, a wheel cabin frame connector is arranged at the upper part of the chassis frame structure, and the front end of the chassis frame structure is of a herringbone frame structure. The longitudinal loads from the anti-creeper interface and the coupler interface can be smoothly shunted from two sides by the herringbone framework structure form of the underframe and the number and positions of the wing plates and the web plates; the flange plate type connecting plate edge beam interface can properly isolate the transmission of longitudinal force, thereby reducing the influence of the longitudinal force at the head end on the passenger area in the middle of the vehicle body and transmitting the transverse force brought by the suspension interface outwards; the energy-absorbing material can realize smooth load transfer and has better collision energy absorption performance.
Description
Technical Field
The invention relates to the technical field of straddle type monorail, in particular to a head end underframe frame structure of a straddle type monorail.
Background
At present, the underframe of a railway vehicle is a part with the largest stress on the whole vehicle body, plays a role of supporting the whole carriage and is directly connected with a bogie, and the head end and the tail end of the underframe are respectively provided with a car coupler traction device to realize the connection among carriages, so the underframe is the most important component of the whole vehicle body and is a pivot for transferring force between the vehicle body and the bogie as well as an end connecting device, and the design of the underframe is extremely important.
The straddle type monorail underframe is different from a subway underframe and is similar to a low-floor structure, a straddle type monorail underframe tire extends into a vehicle, and the underframe structure needs to be designed according to the structure. Designing a corresponding chassis front end frame structure according to a force flow path generated by each system interface of the straddle type monorail chassis; due to the structural form of the straddle type monorail, the tire extends into a vehicle, so that a gap needs to be formed in the underframe structure to avoid a tire area, and higher requirements are provided for the optimization of the underframe force flow path; the transmission of the longitudinal force of the traditional subway underframe is directly transmitted into a vehicle from a longitudinal beam and released through flexural deformation; stress of the gapped straddle type monorail underframe is more easily concentrated in a gap area, force transmission and release are not facilitated, and crashworthiness and energy absorption performance are poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a straddle type monorail head end underframe structure which can realize smooth load transfer and has better collision energy absorption.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
this straddle type monorail head end chassis frame structure, including chassis skeleton texture, be equipped with in the chassis skeleton texture and be used for dodging the regional cavity region of tire, chassis skeleton texture's front end is equipped with anticreeper interface and coupling interface, and chassis skeleton texture's side is equipped with the connecting plate boundary beam interface, and chassis skeleton texture's bottom is equipped with hangs the interface, and chassis skeleton texture's upper portion is equipped with wheel cabin frame interface, chassis skeleton texture's front end is character form skeleton texture.
Further:
the rear part of the underframe framework structure is a square frame structure, the front part of the underframe framework structure comprises a hollow cross beam and a pair of hollow oblique beams, and the end part of the hollow cross beam is connected with the square frame structure through the corresponding side hollow oblique beam.
The wheel cabin frame interface is an upper frame structure with an opening at the front part, and the upper frame structure is welded above the chassis framework structure.
The bottom welding of chassis skeleton texture hangs the interface backup pad, hangs the limit portion of interface backup pad and stretches out the setting from chassis skeleton texture's bottom, hangs the interface overlap joint on the limit portion of hanging the interface backup pad and hang the inboard and the chassis skeleton texture side welding of interface and link to each other.
The chassis framework structure is characterized by further comprising a traction connecting rod interface, the rear end of the chassis framework structure is provided with a hollow lower beam which extends downwards, a fixing plate is welded on the hollow lower beam, the edge of the fixing plate extends out of the side face of the hollow lower beam, the traction connecting rod interface is welded on the edge of the fixing plate, and the inner side of the traction connecting rod interface is connected with the side face of the hollow lower beam in a welding mode.
The chassis framework structure is internally provided with chassis framework wing plates which are transversely arranged and chassis framework web plates which are longitudinally arranged; the outer end of the bottom frame wing plate extends out of the side face of the bottom frame framework structure to form a connecting plate boundary beam interface.
The anti-creeper interface is arranged on the front side face of the hollow cross beam, the car coupler interface is arranged on the upper surface of the hollow cross beam, and an inner plate is arranged in the hollow cross beam corresponding to the car coupler interface.
The underframe framework structure comprises an upper plate and a bottom plate which are oppositely arranged from top to bottom, the upper plate is connected with the upper edge of the underframe frame wing plate, and the bottom plate is connected with the lower edge of the underframe frame wing plate.
Compared with the prior art, the invention has the following advantages:
the straddle type monorail head end underframe has reasonable structural design, and the herringbone framework structural form of the underframe and the number and the positions of wing plates and web plates can smoothly shunt longitudinal loads from an anti-creeper interface and a coupler interface from two sides; the flange plate type connecting plate edge beam interface can properly isolate the transmission of longitudinal force, thereby reducing the influence of the longitudinal force at the head end on the passenger area in the middle of the vehicle body and transmitting the transverse force brought by the suspension interface outwards; the energy-absorbing material can realize smooth load transfer and has better collision energy absorption performance.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a first frame structure diagram of the present invention.
Fig. 2 is a schematic diagram of a frame structure according to a second embodiment of the present invention.
Fig. 3 is a third schematic view of the frame structure of the present invention.
FIG. 4 is a back view of the frame structure of the present invention.
Fig. 5 is an enlarged schematic view of the position of the suspension interface of the present invention.
FIG. 6 is a first internal view of the frame structure according to the present invention.
FIG. 7 is a second internal view of the frame structure of the present invention.
In the figure:
1. the system comprises an anti-creeper interface, 2. A connecting plate boundary beam interface, 3. A wheel cabin frame interface, 4. A traction connecting rod interface, 5. A coupler interface, 6. A suspension interface, 7. An underframe frame wing plate, 8. An underframe frame web, 9. An underframe framework structure and 10. A suspension interface supporting plate.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the straddle-type single-rail head end chassis frame structure comprises a chassis frame structure 9, a hollow area for avoiding a tire area is arranged in the chassis frame structure, and the chassis frame structure is an integral frame structure formed by enclosing hollow beams.
Chassis skeleton texture's front end is equipped with anticreeper interface 1 and coupling interface 5, and chassis skeleton texture's side is equipped with connecting plate boundary beam interface 2, and chassis skeleton texture's bottom is equipped with hangs interface 6, and chassis skeleton texture's upper portion is equipped with wheel cabin frame interface 3, and chassis skeleton texture's front end is font skeleton texture.
According to the invention, the longitudinal loads from the anti-creeper interface and the coupler interface can be smoothly shunted from two sides by the herringbone framework structure form of the underframe and the number and positions of wing plates and web plates in the framework; the energy-absorbing material can realize smooth load transfer and has better collision energy absorption performance.
The rear part of the underframe framework structure is a square framework structure, the front part of the underframe framework structure comprises a hollow cross beam and a pair of hollow oblique beams, and the end part of the hollow cross beam is connected with the square framework structure through the hollow oblique beams at the corresponding sides; furthermore, the anti-creeper interface 1 is arranged on the front side face of the hollow cross beam, the car coupler interface 5 is arranged on the upper surface of the hollow cross beam, an inner plate is arranged in the hollow cross beam corresponding to the car coupler interface, and the structural strength is reliable.
The wheel cabin frame interface 3 is an upper frame structure with an opening at the front part, the upper frame structure is welded above the chassis framework structure, and the top of the upper frame structure is provided with an outward flange; compared with the traditional method of directly forming a wheel cabin interface on the framework, the strength is reliable; furthermore, a square nut is fixed at the lower part of the outward flange, a nut fixing plate is welded at the lower part of the outward flange, the end part of the nut fixing plate is welded at the lower part of the outward flange, a positioning groove matched with the square nut is formed in the nut fixing plate, and the square nut is positioned in the positioning groove; avoid the nut beading to warp on the limit of turning up and be unfavorable for later stage assembly.
The invention also comprises a traction connecting rod interface 4, wherein the rear end of the underframe framework structure is provided with a hollow lower beam which extends downwards, a fixed plate is welded on the hollow lower beam, the edge part of the fixed plate extends out of the side surface of the hollow lower beam, the traction connecting rod interface is welded on the edge part of the fixed plate, the inner side of the traction connecting rod interface is welded and connected with the side surface of the hollow lower beam, and the two hollow lower beams are oppositely arranged, so that the structure is reliable.
A hanging interface supporting plate 10 is welded at the bottom of the underframe framework structure, the edge part of the hanging interface supporting plate extends out of the bottom of the underframe framework structure, a hanging interface 6 is lapped on the edge part of the hanging interface supporting plate, and the inner side of the hanging interface is welded with the side surface of the underframe framework structure; furthermore, the suspension interface supporting plate is a part of a bottom plate of the underframe framework structure, the structure is compact, and the suspension interface is fixed reliably.
A transversely arranged chassis frame wing plate 7 and a longitudinally arranged chassis frame web plate 8 are arranged in the chassis framework structure; the outer end of the chassis frame wing plate extends out of the side face of the chassis framework structure to form a connecting plate boundary beam interface; the underframe framework structure comprises an upper plate and a bottom plate which are oppositely arranged from top to bottom, the upper plate is connected with the upper edge of the underframe frame wing plate, and the bottom plate is connected with the lower edge of the underframe frame wing plate.
The connecting plate edge beam interface in the wing plate form can properly isolate the transmission of longitudinal force, thereby reducing the influence of the longitudinal force at the head end on the passenger area in the middle of the vehicle body, and can transmit the transverse force brought by the suspension interface outwards, thereby realizing the smooth transmission of load and having better collision energy absorption performance.
The straddle type monorail head end frame structure is formed by welding S550MC carbon steel plates in a split welding mode, wing plates and web plates are embedded according to CAE analysis, and longitudinal loads from a creeper connector and a car coupler connector can be smoothly distributed from two sides by the aid of the herringbone frame structure form of the underframe and the number and positions of the wing plates and the web plates; the high ductility of the S550MC material and the lattice layout of the wing plates and the web plates can absorb longitudinal energy through plastic deformation. The wheel cabin frame is formed by bending an S550MC carbon steel plate and is welded on the underframe framework, force flow energy caused by shaping change can be absorbed by high plastic toughness of the S550, and the risk of cracking can be generated by aluminum materials or other materials. The head end frame of the straddle type single track is welded with the edge beam of the underframe through the edge beam interface of the connecting plate; the flange plate type connecting plate edge beam interface can properly isolate the transmission of longitudinal force; thereby reducing the influence of the longitudinal force at the head end on the passenger area in the middle of the vehicle body and transmitting the transverse force brought by the secondary suspension interface outwards; the joint plate and the boundary beam joint form is designed skillfully through the characteristics of shearing resistance and bending resistance of the wing plate.
The above-mentioned technical features can be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (8)
1. The utility model provides a straddle type monorail head end chassis frame structure, includes chassis skeleton texture, be equipped with in the chassis skeleton texture and be used for dodging the regional cavity region of tire, its characterized in that: the front end of chassis skeleton texture is equipped with anticreeper interface and coupling interface, and chassis skeleton texture's side is equipped with connecting plate boundary beam interface, and chassis skeleton texture's bottom is equipped with hangs the interface, and chassis skeleton texture's upper portion is equipped with wheel well frame interface, chassis skeleton texture's front end is character-shaped skeleton texture.
2. The straddle-type monorail head-end underframe frame structure of claim 1, which is characterized in that: the rear part of the underframe framework structure is a square frame structure, the front part of the underframe framework structure comprises a hollow cross beam and a pair of hollow oblique beams, and the end part of the hollow cross beam is connected with the square frame structure through the corresponding side hollow oblique beam.
3. The straddle-type monorail head-end underframe frame structure of claim 1, which is characterized in that: the wheel cabin frame interface is an upper frame structure with an opening at the front part, and the upper frame structure is welded above the chassis framework structure.
4. The straddle-type monorail head-end underframe frame structure of claim 1, which is characterized in that: the bottom welding of chassis skeleton texture hangs the interface backup pad, hangs the limit portion of interface backup pad and stretches out the setting from chassis skeleton texture's bottom, hangs the interface overlap joint on the limit portion of hanging the interface backup pad and hang the inboard and the chassis skeleton texture side welding of interface and link to each other.
5. The straddle-type monorail head-end underframe frame structure of claim 1, which is characterized in that: the chassis framework structure is characterized by further comprising a traction connecting rod interface, the rear end of the chassis framework structure is provided with a hollow lower beam which extends downwards, a fixing plate is welded on the hollow lower beam, the edge of the fixing plate extends out of the side face of the hollow lower beam, the traction connecting rod interface is welded on the edge of the fixing plate, and the inner side of the traction connecting rod interface is connected with the side face of the hollow lower beam in a welding mode.
6. The straddle-type monorail head-end underframe frame structure of claim 1, which is characterized in that: the chassis framework structure is provided with chassis framework wing plates which are transversely arranged and chassis framework web plates which are longitudinally arranged; the outer end of the chassis frame wing plate extends out of the side face of the chassis framework structure to form a connecting plate boundary beam interface.
7. The straddle-type monorail head-end underframe frame structure of claim 2, wherein: the anti-creeper interface is arranged on the front side face of the hollow cross beam, the car coupler interface is arranged on the upper surface of the hollow cross beam, and an inner plate is arranged in the hollow cross beam corresponding to the car coupler interface.
8. The straddle-type monorail head-end underframe frame structure of claim 6, wherein: the underframe framework structure comprises an upper plate and a bottom plate which are oppositely arranged from top to bottom, the upper plate is connected with the upper edge of the underframe frame wing plate, and the bottom plate is connected with the lower edge of the underframe frame wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211019234.1A CN115179986A (en) | 2022-08-24 | 2022-08-24 | Straddle type single-rail head end chassis frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211019234.1A CN115179986A (en) | 2022-08-24 | 2022-08-24 | Straddle type single-rail head end chassis frame structure |
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| Publication Number | Publication Date |
|---|---|
| CN115179986A true CN115179986A (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211019234.1A Pending CN115179986A (en) | 2022-08-24 | 2022-08-24 | Straddle type single-rail head end chassis frame structure |
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| CN (1) | CN115179986A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347405A (en) * | 2016-10-18 | 2017-01-25 | 中车青岛四方机车车辆股份有限公司 | Anticreeper mounting base for low-floor rail vehicle |
| CN108313084A (en) * | 2018-04-11 | 2018-07-24 | 中车长春轨道客车股份有限公司 | A kind of underframe of subway structure meeting Unite States Standard requirement |
| CN110667618A (en) * | 2019-10-28 | 2020-01-10 | 中铁轨道交通装备有限公司 | Locomotive structure and tramcar with same |
| CN110920650A (en) * | 2019-09-18 | 2020-03-27 | 中车南京浦镇车辆有限公司 | Front-end anti-collision structure of underframe of railway vehicle |
-
2022
- 2022-08-24 CN CN202211019234.1A patent/CN115179986A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347405A (en) * | 2016-10-18 | 2017-01-25 | 中车青岛四方机车车辆股份有限公司 | Anticreeper mounting base for low-floor rail vehicle |
| CN108313084A (en) * | 2018-04-11 | 2018-07-24 | 中车长春轨道客车股份有限公司 | A kind of underframe of subway structure meeting Unite States Standard requirement |
| CN110920650A (en) * | 2019-09-18 | 2020-03-27 | 中车南京浦镇车辆有限公司 | Front-end anti-collision structure of underframe of railway vehicle |
| CN110667618A (en) * | 2019-10-28 | 2020-01-10 | 中铁轨道交通装备有限公司 | Locomotive structure and tramcar with same |
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