CN112874555A - Underframe structure at front end of railway vehicle cab - Google Patents
Underframe structure at front end of railway vehicle cab Download PDFInfo
- Publication number
- CN112874555A CN112874555A CN202110378368.1A CN202110378368A CN112874555A CN 112874555 A CN112874555 A CN 112874555A CN 202110378368 A CN202110378368 A CN 202110378368A CN 112874555 A CN112874555 A CN 112874555A
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- beams
- traction
- underframe
- cab
- railway vehicle
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
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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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- 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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/06—Nets, catchers, or the like for catching obstacles or removing them from the track
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an underframe structure at the front end of a railway vehicle cab, which comprises an underframe body, a car coupler mounting seat, an opening and closing mechanism hanging seat and a barrier remover mounting seat, wherein the car coupler mounting seat is arranged on the underframe body; the underframe body comprises two parallel edge beams and two traction beams positioned between the two edge beams, and the two traction beams are arranged in parallel and are parallel to the edge beams; the underframe body also comprises two buffer beams arranged at the front ends of the traction beams, and the two buffer beams are respectively positioned at the outer sides of the two traction beams and are vertical to the traction beams; the coupler mounting base is fixedly connected to the front ends of the two traction beams and is positioned between the two buffer beams; the opening and closing mechanism hanging seat is fixedly arranged at the bottom of the front ends of the two traction beams; the pilot mount is fixedly arranged at the bottom of the draft sill and is positioned behind the opening and closing mechanism hanging seat. The chassis structure can meet the installation requirements of a car coupler, an opening and closing mechanism and a barrier removing device, is compact in structure and low in dead weight, and can meet the light development requirements of railway vehicles.
Description
Technical Field
The invention relates to the technical field of rail vehicle structures, in particular to an underframe structure at the front end of a cab of a rail vehicle.
Background
The light weight is one of the current development trends of rail vehicles, and in order to meet the development requirements of light weight and the objective existence of limited space of a head car, how to design the chassis structure at the front end of the cab to enable the chassis structure to be compact in structure, and the chassis structure can meet the installation requirements of structures such as a car coupler, an opening and closing mechanism, a barrier removing device and the like, and becomes a technical problem to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide an underframe structure at the front end of a cab of a railway vehicle, which can meet the installation requirements of a car coupler, an opening and closing mechanism and a barrier remover, has a compact structure and low self weight, and can meet the development requirement of light weight of the railway vehicle.
In order to solve the technical problem, the invention provides an underframe structure at the front end of a cab of a railway vehicle, which comprises an underframe body, a coupler mounting seat, an opening and closing mechanism hanging seat and a barrier remover mounting seat;
the underframe body comprises two parallel edge beams and two traction beams positioned between the two edge beams, and the two traction beams are arranged in parallel and are parallel to the edge beams; the underframe body also comprises two buffer beams arranged at the front ends of the traction beams, and the two buffer beams are respectively positioned at the outer sides of the two traction beams and are vertical to the traction beams;
the coupler mounting base is fixedly connected to the front ends of the two traction beams and is positioned between the two buffer beams;
the opening and closing mechanism hanging seat is fixedly arranged at the bottom of the front ends of the two traction beams;
the obstacle deflector installation seat is fixedly arranged at the bottom of the traction beam and is positioned behind the opening and closing mechanism hanging seat.
This chassis structure of rail vehicle cab front end installs coupling mount pad, closing mechanism hanger seat and pilot unit mount pad on the draw beam of chassis body and has satisfied the installation demand of coupling, closing mechanism and pilot unit, and compact structure, the dead weight is lower, can satisfy the lightweight development demand of rail vehicle.
The underframe structure at the front end of the railway vehicle cab comprises an underframe body, and is characterized in that the underframe body further comprises a connecting plate and a baffle plate, the connecting plate and the baffle plate are fixedly connected between the two draft beams, the baffle plate is located behind the connecting plate, the connecting plate is located behind the coupler mounting seat, and the top of the connecting plate is provided with a concave avoiding notch so as to avoid that the coupler stroke mounted on the coupler mounting seat is blocked.
According to the underframe structure at the front end of the railway vehicle cab, the underframe body further comprises two connecting beams, the two connecting beams are fixedly connected to the front ends of the two side beams respectively, and the distance between the two connecting beams is gradually increased from the front end to the rear end of the underframe body; the buffer beam is fixedly connected with the connecting beam on the corresponding side; the top plane of the connecting beam is used for supporting a cab framework, and the bottom plane of the connecting beam is provided with a barrier remover mounting interface.
According to the underframe structure at the front end of the railway vehicle cab, the buffer beam and the connecting beam are both in profile structures, and the profile structures of the buffer beam and the connecting beam are consistent.
According to the underframe structure at the front end of the railway vehicle cab, the underframe body further comprises a plurality of cross beams, the plurality of cross beams are fixedly connected between the edge beam and the traction beam on the same side, and/or at least one cross beam is fixedly connected between the two traction beams;
according to the underframe structure at the front end of the cab of the railway vehicle, the cross beam fixedly connected between the edge beam and the traction beam is provided with the mounting interface for hanging equipment under the train.
According to the underframe structure at the front end of the railway vehicle cab, the coupler mounting seat is of a plate tailor-welded structure.
In the underframe structure for the front end of the railway vehicle cab, the top plane of the coupler mounting seat is provided with the opening and closing mounting hole for mounting the opening and closing mechanism.
According to the underframe structure at the front end of the railway vehicle cab, the coupler mounting seat and the draft sill are fixed through riveting.
According to the underframe structure at the front end of the cab of the railway vehicle, the opening and closing mechanism lifting seat comprises two lifting seat parts which are respectively welded on the two traction beams; the hoisting seat part is of a plate tailor-welded structure and comprises a vertical plate and a plurality of rib plates, the plate surface of the vertical plate is perpendicular to the bottom surface of the traction beam, the rib plates are fixedly connected between the vertical plate and the bottom wall of the traction beam, and the plurality of rib plates are arranged at intervals along the length direction of the traction beam; the two hanging seat parts are oppositely arranged.
According to the underframe structure at the front end of the railway vehicle cab, the buffer beam is provided with the mounting hole of the anti-creeper.
Drawings
FIG. 1 is a schematic structural view of an undercarriage structure in a forward position according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of an undercarriage structure in a reverse mode according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural view of the coupler mount illustrated in FIG. 1;
FIG. 4 is a schematic structural diagram of a front state of an underframe structure with an opening and closing structure, an anti-creeper and a barrier remover installed in the concrete embodiment;
fig. 5 is a schematic structural view of the reverse state of the underframe structure with the opening and closing structure, the anti-creeper and the obstacle deflector installed in the embodiment.
Description of reference numerals:
the anti-creeping device comprises an underframe body 10, an edge beam 11, a traction beam 12, a buffer beam 13, an anti-creeping device mounting hole 131, a connecting beam 14, a connecting plate 15, a baffle 16 and a cross beam 17;
a coupler mounting base 20, an opening and closing mounting hole 21 and a coupler mounting hole 22;
the opening and closing mechanism hanging seat 30, the hanging seat part 31, the vertical plate 311 and the rib plate 312;
a pilot mounting base 40, a bottom plate 41, a vertical plate 42 and a reinforcing plate 43;
an opening and closing mechanism 01, an anti-creeping device 02 and a barrier removing device 03.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The terms front, rear, bottom, top and the like in the directions referred to herein are defined with reference to a rail vehicle, the direction close to the vehicle head is front, correspondingly, the direction away from the vehicle head is rear, the side located above when the vehicle is driving is top, the side located below is bottom, the direction close to the inside of the vehicle is inside, and correspondingly, the direction away from the inside of the vehicle is outside.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram illustrating a forward state of an underframe structure in an embodiment of the invention; FIG. 2 is a schematic structural view of an undercarriage structure in a reverse mode according to an embodiment of the present disclosure; FIG. 3 is a schematic structural view of the coupler mount illustrated in FIG. 1; FIG. 4 is a schematic structural diagram of a front state of an underframe structure with an opening and closing structure, an anti-creeper and a barrier remover installed in the concrete embodiment; fig. 5 is a schematic structural view of the reverse state of the underframe structure with the opening and closing structure, the anti-creeper and the obstacle deflector installed in the embodiment.
The underframe structure provided by the embodiment is an underframe structure at the front end of a cab of a railway vehicle, and comprises an underframe body 10, a coupler mounting seat 20, an opening and closing mechanism hanging seat 30 and a barrier removing device mounting seat 40.
The underframe body 10 comprises two side beams 11 arranged in parallel and two traction beams 12 positioned between the two side beams 11, wherein the two traction beams 12 are arranged in parallel and are parallel to the side beams 11, and it can be understood that the side beams 11 and the traction beams 12 both extend along the length direction of the railway vehicle; the underframe body 10 further comprises two bumper beams 13 arranged at the front ends of the draft sill 12, wherein the two bumper beams 13 are respectively arranged at the outer sides of the two draft sills 12 and are perpendicular to the draft sill 12, that is, the bumper beams 13 extend substantially along the width direction of the railway vehicle.
The coupler mounting base 20 is fixedly connected to the front ends of the two draft beams 12 and located between the two buffer beams 13, the coupler mounting base 20 is used for mounting couplers, and it can be understood that the specific structure of the coupler mounting base 20 is different according to the mounting requirements and the coupler structure of different vehicle types.
The opening and closing mechanism hanging seat 30 is fixedly arranged at the bottom of the front ends of the two traction beams 12 and is used for installing the opening and closing mechanism 01.
The obstacle deflector installation seat 40 is fixedly arranged at the bottom of the towing beam 12 and is positioned behind the opening and closing mechanism hanging seat 30 for installing the obstacle deflector 03.
As described above, in the underframe structure at the front end of the railway vehicle cab, the draft sill 12 of the underframe body 10 is provided with the coupler mounting seat 20, the opening and closing mechanism hanging seat 30 and the obstacle deflector mounting seat 40, and the bumper beam 13 of the underframe body 10 is provided with the anti-creeper mounting hole 131, so that the mounting requirements of the coupler, the opening and closing mechanism 01 and the obstacle deflector 03 are met, the underframe structure is compact in structure, low in self weight and capable of meeting the development requirement of light weight of railway vehicles.
When the concrete setting, set up the anticreeper mounting hole 131 at bumper beam 13 for the structure of the anticreeper 02 that the installation of anticreeper 02, the concrete figure and the positional relationship etc. of anticreeper mounting hole 131 can be installed as required on bumper beam 13 sets up.
Like this, the bumper beam 13 can not only provide the intensity for overall structure and support, can also compromise the installation of anticreeper 02 for chassis structure's overall structure is compacter.
In this embodiment, the underframe body 10 further includes a connecting plate 15 and a baffle 16, the connecting plate 15 and the baffle 16 are both fixedly connected between the two draft beams 12, the baffle 16 is located behind the connecting plate 15, the connecting plate 15 is located behind the coupler mounting seat 20, and a concave avoiding notch is formed in the top of the connecting plate 15 to prevent the coupler stroke mounted on the coupler mounting seat 20 from being blocked.
The connecting plate 15 and the baffle 16 are fixedly connected between the two traction beams 12, so that the overall strength of the traction beams 12 can be improved, wherein an avoidance notch is formed in the top of the connecting plate 15 behind the coupler mounting seat 20, when a vehicle is in linkage braking, the coupler can be compressed and retreated, and the arrangement of the avoidance notch can avoid influencing the stroke of the coupler; the connecting plate 15 can also prevent the coupler from further backing when the mounting bolt of the coupler is sheared to back when the vehicle collides, so that the safety of the vehicle is ensured.
Specifically, the avoidance gap in the connecting plate 15 may be formed in an arc shape or a continuous gentle curve shape.
The connecting plate 15 and the baffle 16 can be fixedly connected with the traction beam 12 in a welding mode, and the device is simple, convenient and reliable.
Specifically, the underframe body 10 further comprises two connecting beams 14, the two connecting beams 14 are respectively and fixedly connected to the front ends of the two side beams 11, and the distance between the two connecting beams 14 is gradually increased from the front end to the rear end of the underframe body 10; the buffer beam 13 is fixedly connected with the connecting beam 14 on the corresponding side; the top plane of 14 of tie-beam is used for supporting cab skeleton, and the bottom plane has the pilot installation interface.
As shown in fig. 1 and 2, the front ends of the two connecting beams 14 are inclined towards the inner side of the vehicle, so that the installation angle of the connecting beams 14 can be adjusted according to the contour line of the cab of the actual railway vehicle, the installation of different streamlined cabs is met, and compared with the existing structure which depends on the front end of the bent side beam to adapt to the streamline of the cab, the structure is more flexible in arrangement, wide in adaptability and free from developing matched devices such as bending dies.
Wherein, the top plane of tie-beam 14 provides the support for the cab skeleton, and the bottom plane of tie-beam 14 sets up the pilot breaker installation interface, cooperatees with aforementioned pilot breaker mount pad 40 and can ensures the reliability of pilot breaker 03 installation, can make overall structure compacter simultaneously, satisfies and bears and the installation demand, and the contrast is bent the current mode of boundary beam, need not to set up the cab beam for improving cab skeleton supporting pad and pilot breaker installation interface and additionally again, helps weight reduction.
In a specific scheme, the connecting beam 14 can be in a profile structure, and the connecting beam can be connected with the bumper beam 13 and the edge beam 11 in a welding mode, so that the bearing strength and the connecting strength can be improved.
In a specific scheme, the bumper beam 13 also adopts a profile structure, and the same profile structure can be adopted for the bumper beam and the connecting beam 14, so that the arrangement is convenient.
In a specific scheme, the underframe body 10 further comprises a plurality of cross beams 17, and the plurality of cross beams 17 are fixedly connected between the boundary beam 11 and the traction beam 12 on the same side, so that the overall strength of the underframe body 10 is improved, and the bearing capacity of the underframe body is improved; of course, a cross beam 17 may also be fastened between the two trailing beams 12, this cross beam 17 being located in particular behind the aforementioned apron 16.
In the illustrated scheme, three cross beams 17 are fixedly connected between the edge beam 11 and the draft sill 12 on each side, and the positions of the cross beams 17 on both sides correspond to each other, so that it can be understood that, in actual arrangement, the number and the positions of the cross beams 17 between the edge beam 11 and the draft sill 12 can be properly adjusted according to application requirements.
The beam 17 and the related structure can be fixedly connected by welding.
Specifically, the cross beam 17 fixedly connected between the boundary beam 11 and the traction beam 12 is also provided with a mounting interface for equipment under the sling, so that an additional mounting structure is avoided, and the structure is simplified.
Referring to fig. 1 and 3, in this embodiment, the coupler mounting base 20 is a plate tailor-welded structure, and may be installed on the underframe body 10 after being tailor-welded into a whole in advance, specifically, the coupler mounting base 20 is fixed to the underframe body 10 by riveting with rivets, so that the welding amount of the whole underframe structure may be reduced.
The coupler mounting surface of the coupler mounting base 20 is specifically processed according to the shape of the mounting surface of the coupler, and a coupler mounting hole 22 is formed in the coupler mounting base so as to facilitate mounting of the coupler.
Specifically, the top plane of the coupler mounting base 20 has an opening and closing mounting hole 21 for mounting the opening and closing mechanism 01, and is combined with the opening and closing mechanism hanging base 30 to facilitate the mounting of the opening and closing mechanism 01, and avoid adding other mounting structures, so as to effectively utilize space.
As shown in fig. 2, in this embodiment, the opening and closing mechanism hanging seat 30 includes two hanging seat portions 31, the two hanging seat portions 31 are respectively welded on the two towing beams 12, the hanging seat portion 31 is specifically a plate tailor-welded structure, and includes a vertical plate 311 and a plurality of rib plates 312, a plate surface of the vertical plate 311 is perpendicular to a bottom surface of the towing beam 12, the rib plates 312 are fixedly connected between the vertical plate 311 and a bottom wall of the towing beam 12, and the plurality of rib plates 312 are arranged at intervals along a length direction of the towing beam 12; the two hanger parts 31 are arranged facing each other.
In the illustrated embodiment, each of the hanger parts 31 is specifically provided with three rib plates 312, and it can be understood that, in actual installation, the number of the rib plates 312 can be adjusted according to requirements such as installation strength.
Referring to fig. 2, in this embodiment, the obstacle deflector mount 40 has two seat portions, which are respectively mounted on the two towing beams 12, the seat portion of the obstacle deflector mount 40 may also be a tailor-welded structure, and includes a bottom plate 41, a vertical plate 42 and a reinforcing plate 43, where the vertical plate 42 is located on the front side of the bottom plate 41, the reinforcing plate 43 is disposed between the vertical plate 42 and the bottom plate 41, the reinforcing plate 43 has a reinforcing function, and the specific number of the reinforcing plates can be set as required, and in the illustrated embodiment, each seat portion is specifically provided with three reinforcing plates 43.
As shown in fig. 4 and 5, the anti-creeper 02 in this embodiment is mounted on the bumper beam 13, the upper portion of the opening/closing mechanism 01 is mounted on the top plane of the coupler mounting base 20, the lower portion is mounted on the opening/closing mechanism hanger 30 provided below the draft sill 12, and the obstacle deflector 03 is mounted on the connecting beam 14 and the obstacle deflector mounting base 40 provided below the draft sill 12.
The underframe structure at the front end of the cab of the railway vehicle provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (11)
1. The underframe structure at the front end of the railway vehicle cab is characterized by comprising an underframe body, a coupler mounting seat, an opening and closing mechanism hanging seat and a barrier remover mounting seat;
the underframe body comprises two parallel edge beams and two traction beams positioned between the two edge beams, and the two traction beams are arranged in parallel and are parallel to the edge beams; the underframe body also comprises two buffer beams arranged at the front ends of the traction beams, and the two buffer beams are respectively positioned at the outer sides of the two traction beams and are vertical to the traction beams;
the coupler mounting base is fixedly connected to the front ends of the two traction beams and is positioned between the two buffer beams;
the opening and closing mechanism hanging seat is fixedly arranged at the bottom of the front ends of the two traction beams;
the obstacle deflector installation seat is fixedly arranged at the bottom of the traction beam and is positioned behind the opening and closing mechanism hanging seat.
2. The underframe structure for the front end of a cab of a railway vehicle according to claim 1, wherein the underframe body further comprises a connecting plate and a baffle plate, the connecting plate and the baffle plate are fixedly connected between the two draft beams, the baffle plate is located behind the connecting plate, the connecting plate is located behind the coupler mounting seat, and a concave avoidance notch is formed in the top of the connecting plate to prevent the coupler mounted on the coupler mounting seat from being blocked in travel.
3. The underframe structure for the front end of a cab of a railway vehicle according to claim 1, wherein the underframe body further comprises two connecting beams, the two connecting beams are respectively and fixedly connected to the front ends of the two side beams, and the distance between the two connecting beams is gradually increased from the front end to the rear end of the underframe body; the buffer beam is fixedly connected with the connecting beam on the corresponding side; the top plane of the connecting beam is used for supporting a cab framework, and the bottom plane of the connecting beam is provided with a barrier remover mounting interface.
4. The underframe structure for the front end of a railway vehicle cab according to claim 3, wherein the bumper beam and the connecting beam are both of a profile structure, and the profile structures of the bumper beam and the connecting beam are identical.
5. The underframe structure for the front end of a railway vehicle cab according to claim 1, wherein the underframe body further comprises a plurality of cross beams, and a plurality of cross beams are fixedly connected between the side beam and the traction beam on the same side, and/or at least one cross beam is fixedly connected between two traction beams.
6. The underframe structure for the front end of a cab of a railway vehicle according to claim 5, wherein the cross beam fixedly connected between the side beam and the draft sill has a mounting interface for hanging equipment under a vehicle.
7. The underframe structure of the front end of the cab of a railway vehicle according to any one of claims 1 to 6, wherein the coupler mount is a plate tailor welded structure.
8. The underframe structure for front end of cab of railway vehicle according to claim 7, wherein the top plane of the coupler mounting base has an opening/closing mounting hole for mounting an opening/closing mechanism.
9. The underframe structure of the front end of a railway vehicle cab according to claim 7, wherein the coupler mount and the draft sill are fixed by riveting.
10. The underframe structure for the front end of a cab of a railway vehicle according to any one of claims 1 to 6, wherein the opening and closing mechanism mount comprises two mount portions welded to the two traction beams, respectively; the hoisting seat part is of a plate tailor-welded structure and comprises a vertical plate and a plurality of rib plates, the plate surface of the vertical plate is perpendicular to the bottom surface of the traction beam, the rib plates are fixedly connected between the vertical plate and the bottom wall of the traction beam, and the plurality of rib plates are arranged at intervals along the length direction of the traction beam; the two hanging seat parts are oppositely arranged.
11. The underframe structure for the front end of a cab of a railway vehicle according to any one of claims 1 to 6, wherein the bumper beam is provided with an anti-creeper mounting hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110378368.1A CN112874555B (en) | 2021-04-08 | 2021-04-08 | Underframe structure at front end of railway vehicle cab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110378368.1A CN112874555B (en) | 2021-04-08 | 2021-04-08 | Underframe structure at front end of railway vehicle cab |
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| CN112874555B CN112874555B (en) | 2022-07-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815666A (en) * | 2021-09-17 | 2021-12-21 | 中车长春轨道客车股份有限公司 | Traction beam structure meeting operating requirement of urban vehicle obstacle deflector at speed of 160km/h |
| CN114148363A (en) * | 2021-12-29 | 2022-03-08 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle and end underframe thereof |
| CN115009315A (en) * | 2022-06-30 | 2022-09-06 | 中车青岛四方机车车辆股份有限公司 | Front end underframe structure, underframe and rail vehicle |
| CN115107815A (en) * | 2022-07-25 | 2022-09-27 | 中车青岛四方机车车辆股份有限公司 | Underframe structure and railway vehicle |
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| CN202147694U (en) * | 2010-12-10 | 2012-02-22 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle traction beam |
| CN104097654A (en) * | 2014-07-28 | 2014-10-15 | 南车四方车辆有限公司 | Locomotive front-end constructing structure supporting mounting of opening and closing mechanism and 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 |
| CN108928358A (en) * | 2018-07-09 | 2018-12-04 | 中车青岛四方机车车辆股份有限公司 | Undercarriage structure and train with it |
| CN109367560A (en) * | 2018-09-06 | 2019-02-22 | 中车青岛四方机车车辆股份有限公司 | A kind of collision energy-absorbing structure and the rail vehicle with it |
| CN210618140U (en) * | 2019-09-03 | 2020-05-26 | 青岛四方庞巴迪铁路运输设备有限公司 | Railway vehicle coupler mounting base |
| CN111746583A (en) * | 2020-07-14 | 2020-10-09 | 中车大连机车车辆有限公司 | Train collision-resistant energy-absorbing structure |
| CN112026820A (en) * | 2020-09-10 | 2020-12-04 | 中车青岛四方机车车辆股份有限公司 | Middle part chassis structure, automobile body chassis and rail vehicle |
| CN112298257A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Head front end collision energy-absorbing structure and rail vehicle |
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| CN113815666A (en) * | 2021-09-17 | 2021-12-21 | 中车长春轨道客车股份有限公司 | Traction beam structure meeting operating requirement of urban vehicle obstacle deflector at speed of 160km/h |
| CN114148363A (en) * | 2021-12-29 | 2022-03-08 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle and end underframe thereof |
| CN114148363B (en) * | 2021-12-29 | 2023-09-19 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and end underframe thereof |
| CN115009315A (en) * | 2022-06-30 | 2022-09-06 | 中车青岛四方机车车辆股份有限公司 | Front end underframe structure, underframe and rail vehicle |
| CN115009315B (en) * | 2022-06-30 | 2023-12-26 | 中车青岛四方机车车辆股份有限公司 | Front end underframe structure, car underframe and rail vehicle |
| CN115107815A (en) * | 2022-07-25 | 2022-09-27 | 中车青岛四方机车车辆股份有限公司 | Underframe structure and railway vehicle |
| CN115107815B (en) * | 2022-07-25 | 2024-02-23 | 中车青岛四方机车车辆股份有限公司 | Chassis structure and rail vehicle |
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