CN106004910A - U-shaped structure underframe - Google Patents
U-shaped structure underframe Download PDFInfo
- Publication number
- CN106004910A CN106004910A CN201610359675.4A CN201610359675A CN106004910A CN 106004910 A CN106004910 A CN 106004910A CN 201610359675 A CN201610359675 A CN 201610359675A CN 106004910 A CN106004910 A CN 106004910A
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- CN
- China
- Prior art keywords
- underframe
- concave
- crossbeam
- concave structure
- bottom frame
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- 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.)
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Classifications
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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
-
- 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
Abstract
The invention discloses a U-shaped structure underframe which comprises a middle U-shaped underframe body and end underframe bodies arranged at the two ends of the middle U-shaped underframe body. The middle U-shaped underframe body is formed by installing and welding a center cross beam assembly, cross beam assemblies A, cross beam assemblies B, a lower side beam and vertical end plates. Each end underframe body is formed by installing and welding a traction beam, a sleeper beam, an end beam, an auxiliary side beam, a small cross beam, a longitudinal beam and a floor. The middle U-shaped underframe body is connected with the corresponding end underframe bodies through the vertical end plates at the two ends. According to the U-shaped structure underframe, the length of the middle U-shaped underframe body is fully utilized, the requirements for loading and container allocating of various containers are met, the line gauge is utilized to the maximum extent, a train bottom bearing face is designed to the allowed minimum value, and the U-shaped structure underframe has great potential economic benefits.
Description
Technical field
The invention belongs to railway freight-car technical field, particularly to a kind of concave structure underframe being mainly used in railway Double Stack Container Transport vehicle.
Background technology
The transport of railway double-deck container closed assembly is modern logistics and the important technical of Container Intermodal Transportation and mode, along with socioeconomic development and domestic and foreign trade the most frequently, how to improve the usefulness for Container Transport equipment and can effectively reduce again cost simultaneously and become the important topic of current those skilled in the art research.The special depressed center car of China's principal mode Double Stack Container Transport, is mainly used in lower floor and loads 2 20ft or 1 40ft container, and upper strata loads 2 20ft or 1 40ft-53ft container.Owing to existing depressed center car concave bottom portion length dimension limits, vehicle bottom can not load the container of more than 40ft specification, conevying efficiency is the highest, and existing depressed center car draw beam uses special Yi shape steel beam, pillow pulling structure is the most overlapping double draw beams, double sleeper beam structure, assembles complexity, and bottom side rail uses the B-mode steel of clod wash to add the form of cold-formed C-shape member back cover, crossbeam and bottom side rail welding position are easily generated stress and concentrate and cause the fatigue failure of structure, and underframe manufacturing process is complicated, from great.
Summary of the invention
It is an object of the invention to: for the problem of above-mentioned existence, it is provided that one disclosure satisfy that various container loading and joins case requirement, and structure is simpler simultaneously, reduce the railway freight-car concave structure underframe of car body deadweight.
The technical scheme of the technology of the present invention is achieved in that a kind of concave structure underframe, it is characterized in that: include middle part concave bottom frame and be arranged on the end underframe at concave bottom frame two ends, middle part, described middle part concave bottom frame is made up of centre cross member, crossbeam forms A, crossbeam forms B, bottom side rail and end riser assembly welding form, described end underframe is formed by draw beam, sleeper beam, end carriage, auxiliary curb girder, needle beam, longitudinal beam and floor assembly welding, and described middle part concave bottom frame is connected with corresponding end underframe respectively by the end riser at both ends.
Concave structure underframe of the present invention, its described draw beam uses upper and lower cover plate and web assembly welding to become radial box beam structure.
Concave structure underframe of the present invention, its described centre cross member composition, crossbeam composition A and the closed sectional structure beam that crossbeam composition B is upper cover plate and cold bending tank girder steel assembly welding, be evenly equipped with lightening hole on the corresponding crossbeam of described centre cross member composition, crossbeam composition A and crossbeam composition B respectively.
Concave structure underframe of the present invention, it is provided with on the floor of described end underframe for protecting the crashproof buting iron of brake unit and for depositing the object keeping box of rotation lock in the middle of container, the end of described end underframe is provided with urgent traction seat device.
Concave structure underframe of the present invention, it is provided with connecting angle pieces in the table position of holding of container angle, described connecting angle pieces is forged steel pieces or the steel-casting of L-type knuckle, the vertical of described connecting angle pieces and horizontal plane respectively with side wall and the plane assembly welding of middle part concave bottom frame.
Concave structure underframe of the present invention, its described bottom side rail horizontal plane is the local protrusion edge of a wing L-type beam with certain circular arc, and the end on the described protrusion edge of a wing is docked with corresponding transverse beam assembly welding.
Concave structure underframe of the present invention, it is provided with guide plate on described end riser.
Concave structure underframe of the present invention, a length of 14.8 m～15.2m of its described middle part concave bottom frame, can load a 48ft container or a 48ft special container, described concave structure underframe is all steel Welding Structure, and main beam and plate use high-strength weather resisting steel.
The invention has the beneficial effects as follows:
1, draw beam uses upper and lower cover plate and web assembly welding to become radial box beam, meets the longitudinal loading working condition requirement that vehicle specify, and simple in construction is easy to assembly, effectively reduces car body and conducts oneself with dignity.
2, crossbeam is the closed sectional structure beam of upper cover plate and cold bending tank girder steel assembly welding, uniform lightening hole on clod wash channel-section steel, meets the vertical load working condition requirement that vehicle specifies, had both improve structural strength, and had reached again the purpose of loss of weight.
3, the floor of end underframe is provided with crashproof buting iron, is conducive to protecting Vehicular brake device.
4, the table position of holding of container angle is provided with connecting angle pieces, makes the vertical load of container be dispersed to side wall by connecting angle pieces and jointly carry with underframe, it is achieved effective transmission of stress, it is to avoid stress concentrates the structural fatigue caused to lose efficacy.
5, bottom side rail horizontal plane be local with the protrusion edge of a wing L-type beam of certain circular arc, protrude top flange and dock with transverse beam assembly welding, it is to avoid crossbeam upper cover plate welds with bottom side rail at circular arc root, cause stress concentration and the structural fatigue inefficacy that causes.
6, concave bottom frame in middle part is connected with end underframe by end riser, and connected mode is simple and reliable, is provided with guide plate at end riser correct position, is effectively protected body construction, guides container loading.
7, in the middle part of underframe, concave bottom partial-length can meet and at most can load 1 48ft container or the operating mode of 1 48ft special container.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the top view of the present invention
Fig. 3 is that middle cross beam of the present invention carries cross sectional representation.
Reference in figure: 1 is middle part concave bottom frame, 1a is centre cross member composition, and 1b is that crossbeam forms A, 1c be crossbeam composition B, 1d be bottom side rail, 1e for end riser, 2 is end underframe, and 2a is draw beam, and 2b is sleeper beam, 2c is end carriage, and 2d is auxiliary curb girder, and 2e is needle beam, 2f is longitudinal beam, and 2g is floor, and 3 is crashproof buting iron, 4 is connecting angle pieces, and 5 is side wall, and 6 is guide plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As illustrated in fig. 1 and 2, a kind of concave structure underframe, including middle part concave bottom frame 1 and be arranged on middle part concave bottom frame 1 two ends end underframe 2, described middle part concave bottom frame 1 is formed 1a by centre cross member, crossbeam forms A1b, crossbeam forms B1c, bottom side rail 1d and end riser 1e assembly welding form, described end underframe 2 is formed by draw beam 2a, sleeper beam 2b, end carriage 2c, auxiliary curb girder 2d, needle beam 2e, longitudinal beam 2f and floor 2g assembly welding, and described middle part concave bottom frame 1 is connected with corresponding end underframe 2 respectively by the end riser 1e at both ends.
Wherein, described draw beam 2a uses upper and lower cover plate and web assembly welding to become radial box beam structure, meets the longitudinal loading working condition requirement that vehicle specifies, use cast steel or forged steel body center plate, unit-welded rear draft lug, simple in construction, easy to assembly, effectively reduce car body deadweight；Described centre cross member composition 1a, crossbeam composition A1b and the closed sectional structure beam that crossbeam composition B1c is upper cover plate and cold bending tank girder steel assembly welding, the corresponding crossbeam that described centre cross member forms 1a, crossbeam composition A1b and crossbeam composition B1c is evenly equipped with lightening hole respectively, meet the vertical load working condition requirement that vehicle specifies, not only improve structural strength but also reach the purpose of loss of weight.The floor 2g of described end underframe 2 is provided with for protecting the crashproof buting iron 3 of brake unit and for depositing the object keeping box of rotation lock in the middle of container, the end of described end underframe 2 is provided with urgent traction seat device；Described end riser 1e is provided with guide plate 6, is effectively protected body construction, guide container loading.
As shown in Figure 3, table position of holding at container angle is provided with connecting angle pieces 4, described connecting angle pieces 4 is forged steel pieces or the steel-casting of L-type knuckle, the vertical of described connecting angle pieces 4 and horizontal plane respectively with side wall 5 and the plane assembly welding of middle part concave bottom frame 1, the vertical load making container is dispersed to side wall by connecting angle pieces and jointly carries with underframe, realize effective transmission of stress, it is to avoid stress concentrates the structural fatigue caused to lose efficacy；Described bottom side rail 1d horizontal plane is the local protrusion edge of a wing L-type beam with certain circular arc, the end on the described protrusion edge of a wing is docked with corresponding transverse beam assembly welding, avoid crossbeam upper cover plate to weld at circular arc root with bottom side rail, cause stress to concentrate and the structural fatigue that causes lost efficacy.
The concave structure underframe of the present invention is all steel Welding Structure, main beam and plate use high-strength weather resisting steel, a length of 14.8 m～15.2m of described middle part concave bottom frame 1, at most can load a 48ft container or the working condition requirement of a 48ft special container.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (8)
1. a concave structure underframe, it is characterized in that: include middle part concave bottom frame (1) and be arranged on the end underframe (2) at concave bottom frame (1) two ends, middle part, described middle part concave bottom frame (1) is formed (1a) by centre cross member, crossbeam composition A(1b), crossbeam composition B(1c), bottom side rail (1d) and end riser (1e) assembly welding form, described end underframe (2) is by draw beam (2a), sleeper beam (2b), end carriage (2c), auxiliary curb girder (2d), needle beam (2e), longitudinal beam (2f) and floor (2g) assembly welding form, described middle part concave bottom frame (1) is connected with corresponding end underframe (2) respectively by the end riser (1e) at both ends.
Concave structure underframe the most according to claim 1, it is characterised in that: described draw beam (2a) uses upper and lower cover plate and web assembly welding to become radial box beam structure.
Concave structure underframe the most according to claim 1, it is characterized in that: described centre cross member composition (1a), crossbeam composition A(1b) and crossbeam composition B(1c) be the closed sectional structure beam of upper cover plate and cold bending tank girder steel assembly welding, form (1a), crossbeam composition A(1b at described centre cross member) and crossbeam form B(1c) corresponding crossbeam on be evenly equipped with lightening hole respectively.
Concave structure underframe the most according to claim 1; it is characterized in that: be provided with on the floor (2g) of described end underframe (2) for protecting the crashproof buting iron (3) of brake unit and for depositing the object keeping box of rotation lock in the middle of container, the end of described end underframe (2) is provided with urgent traction seat device.
Concave structure underframe the most according to claim 1, it is characterized in that: the table position of holding at container angle is provided with connecting angle pieces (4), described connecting angle pieces (4) is forged steel pieces or the steel-casting of L-type knuckle, the vertical of described connecting angle pieces (4) and horizontal plane respectively with side wall (5) and the plane assembly welding at middle part concave bottom frame (1).
Concave structure underframe the most according to claim 1, it is characterised in that: described bottom side rail (1d) horizontal plane is the local protrusion edge of a wing L-type beam with certain circular arc, and the end on the described protrusion edge of a wing is docked with corresponding transverse beam assembly welding.
Concave structure underframe the most according to claim 1, it is characterised in that: on described end riser (1e), it is provided with guide plate (6).
Concave structure underframe the most as claimed in any of claims 1 to 7, it is characterized in that: a length of 14.8 m～15.2m of described middle part concave bottom frame (1), a 48ft container or a 48ft special container can be loaded, described concave structure underframe is all steel Welding Structure, and main beam and plate use high-strength weather resisting steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359675.4A CN106004910A (en) | 2016-05-27 | 2016-05-27 | U-shaped structure underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359675.4A CN106004910A (en) | 2016-05-27 | 2016-05-27 | U-shaped structure underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106004910A true CN106004910A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610359675.4A Pending CN106004910A (en) | 2016-05-27 | 2016-05-27 | U-shaped structure underframe |
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| CN (1) | CN106004910A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109131407A (en) * | 2018-09-10 | 2019-01-04 | 中车长江车辆有限公司 | A kind of concave bottom frame and multimodal transport vehicle |
| CN109229121A (en) * | 2018-11-16 | 2019-01-18 | 中车齐齐哈尔车辆有限公司 | A kind of car body of railway container flatcar |
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| US20070261593A1 (en) * | 2006-05-09 | 2007-11-15 | Gunderson, Llc | Container support casting for corner of container-carrying well car |
| CN101927770A (en) * | 2010-09-15 | 2010-12-29 | 南车眉山车辆有限公司 | Double-deck container flat car |
| US20110226153A1 (en) * | 2010-03-17 | 2011-09-22 | Gunderson Llc | Railcar with lengthened container well |
| CN202243446U (en) * | 2011-08-29 | 2012-05-30 | 南车南京浦镇车辆有限公司 | Mounting structure for pipeline of underframe |
| CN202243475U (en) * | 2011-07-06 | 2012-05-30 | 哈尔滨轨道交通装备有限责任公司 | Accelerated railway wagon with load capacity of 50 tons |
| CN102501866A (en) * | 2011-12-23 | 2012-06-20 | 南车二七车辆有限公司 | Heavy-load double-layer-loaded container rail wagon |
| CN104149799A (en) * | 2014-08-15 | 2014-11-19 | 南车眉山车辆有限公司 | Freight car special for multi-mode combined loading containers |
| CN205632506U (en) * | 2016-05-27 | 2016-10-12 | 中车眉山车辆有限公司 | Concave structures chassis |
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2016
- 2016-05-27 CN CN201610359675.4A patent/CN106004910A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070261593A1 (en) * | 2006-05-09 | 2007-11-15 | Gunderson, Llc | Container support casting for corner of container-carrying well car |
| US20110226153A1 (en) * | 2010-03-17 | 2011-09-22 | Gunderson Llc | Railcar with lengthened container well |
| CN101927770A (en) * | 2010-09-15 | 2010-12-29 | 南车眉山车辆有限公司 | Double-deck container flat car |
| CN202243475U (en) * | 2011-07-06 | 2012-05-30 | 哈尔滨轨道交通装备有限责任公司 | Accelerated railway wagon with load capacity of 50 tons |
| CN202243446U (en) * | 2011-08-29 | 2012-05-30 | 南车南京浦镇车辆有限公司 | Mounting structure for pipeline of underframe |
| CN102501866A (en) * | 2011-12-23 | 2012-06-20 | 南车二七车辆有限公司 | Heavy-load double-layer-loaded container rail wagon |
| CN104149799A (en) * | 2014-08-15 | 2014-11-19 | 南车眉山车辆有限公司 | Freight car special for multi-mode combined loading containers |
| CN205632506U (en) * | 2016-05-27 | 2016-10-12 | 中车眉山车辆有限公司 | Concave structures chassis |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108313084B (en) * | 2018-04-11 | 2019-07-02 | 中车长春轨道客车股份有限公司 | Meet the underframe of subway structure of the requirement of Unite States Standard ASME RT-2 2014 |
| CN109131407A (en) * | 2018-09-10 | 2019-01-04 | 中车长江车辆有限公司 | A kind of concave bottom frame and multimodal transport vehicle |
| CN109131407B (en) * | 2018-09-10 | 2020-04-03 | 中车长江车辆有限公司 | Concave underframe and multi-type combined transport vehicle |
| CN109229121A (en) * | 2018-11-16 | 2019-01-18 | 中车齐齐哈尔车辆有限公司 | A kind of car body of railway container flatcar |
| WO2020098298A1 (en) * | 2018-11-16 | 2020-05-22 | 中车齐齐哈尔车辆有限公司 | Vehicle body of flatcar used for railway container |
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Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |