CN111186457B - Rail train bogie side apron board structure and rail train - Google Patents
Rail train bogie side apron board structure and rail train Download PDFInfo
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- CN111186457B CN111186457B CN202010060468.5A CN202010060468A CN111186457B CN 111186457 B CN111186457 B CN 111186457B CN 202010060468 A CN202010060468 A CN 202010060468A CN 111186457 B CN111186457 B CN 111186457B
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- Prior art keywords
- train
- plate
- bogie
- side skirt
- board
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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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
-
- 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
- B61D17/18—Internal lining, e.g. insulating
- B61D17/185—Internal lining, e.g. insulating for sound insulating
Abstract
The invention relates to the field of side skirt boards of rail trains, and provides a side skirt board structure of a bogie of a rail train and the rail train. This railway train bogie side skirtboard structure is used for locating the relative both sides in bogie cabin along train width direction, including the side skirtboard body, the side skirtboard body include the transition connecting plate, with transition connecting plate circular arc transitional coupling's evagination cambered surface board and with evagination cambered surface board transitional coupling and orientation keep away from the interior extension board of evagination direction extension of evagination cambered surface board. According to the side skirt board body, the outward convex cambered panel which is convex outwards is arranged along the width direction of the train, so that the side skirt board is widened transversely along the width direction of the train, and the side skirt board is prevented from resisting a bogie; in addition, the transition connecting plate, the outer convex cambered plate and the inner extending plate are in cambered surface transition connection, the streamline degree is increased, the flow guide effect is favorably enhanced, and the aerodynamic performance is improved.
Description
Technical Field
The invention relates to the technical field of side skirt boards of rail trains, in particular to a side skirt board structure of a bogie of a rail train and the rail train.
Background
The bogie of the rail train and the bogie cabin form a complex concave cavity structure, the interference of the ground effect is obvious, and the airflow flow is extremely complex. The aerodynamic resistance of the area accounts for more than 25% of the resistance of the whole train, and becomes the key problem of aerodynamic drag reduction of the rail train and the key point of aerodynamic optimization design. The side apron board of the existing bogie is narrow at present, and does not have the side surface coating effect on a bogie cabin, so that the side surface of the bogie is exposed outside, and the pneumatic performance is influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the embodiment of the invention provides a side apron plate structure of a railway train bogie, which is used for enhancing the coating effect on the side surface of the bogie and improving the pneumatic performance.
The embodiment of the invention also provides a rail train.
On one hand, the embodiment of the invention provides a side skirt board structure of a railway train bogie, which is arranged on two opposite sides of a bogie cabin along the width direction of a train, and specifically comprises the following components: the side apron board body comprises a transition connecting plate, an outer convex arc panel in arc transition connection with the transition connecting plate and an inner extending plate in arc transition connection with the outer convex arc panel and extending towards the outer convex direction far away from the outer convex arc panel.
According to one embodiment of the invention, the transition connecting plate, the outer cambered surface plate and the inner extending plate are integrally formed.
According to one embodiment of the invention, the side skirt body is made of a honeycomb aluminum structure plate, and the gaps of the honeycomb aluminum structure plate are filled with sound insulation materials.
On the other hand, the embodiment of the invention also provides a rail train, which comprises a train body, a bogie cabin arranged below the underframe of the train body, a bogie arranged in the bogie cabin and train bottom plates positioned at the front end and the rear end of the bogie cabin along the running direction of the train;
still include to locate along train width direction the rail train bogie side skirtboard structure of the relative both sides in bogie cabin, rail train bogie side skirtboard structure includes the side skirtboard body, the side skirtboard body include by automobile body side wall downwardly extending's transition connecting plate, with transition connecting plate circular arc transitional coupling and towards the convex outer camber panel outside the car and with outer camber panel transitional coupling and towards the interior board that extends of automobile body direction, the bottom surface height of interior board with the place height phase-match of vehicle bottom plate.
According to one embodiment of the invention the side skirt body is sized, shaped to match the shape of the side of the bogie cabin.
According to one embodiment of the invention, along the width direction of the train, the convex width of the side apron board bodies on two opposite sides between the convex arc panels is smaller than the limit of the train;
the bogie is avoided from the inner side of the side apron plate body.
According to one embodiment of the invention, the lower end of the car body side wall is provided with a plurality of connecting seats arranged at intervals on the side surface of the bogie cabin, and the transition connecting plate is fixedly connected with the connecting seats through connecting pieces.
According to one embodiment of the invention, the front end and the rear end of the bogie cabin are respectively provided with an end plate bracket, a supporting seat is fixed on the outer side of the end plate bracket, and two ends of the side skirt plate body in the length direction are fixedly connected with the supporting seat through fasteners.
According to one embodiment of the invention, the side surface of the bogie cabin is further provided with an installation hanging seat, the upper end of the installation hanging seat is fixedly connected to the lower end of the side wall of the vehicle body, the installation hanging seat extends downwards along the height direction of the vehicle body, a connecting lug is arranged on one side, facing the side skirt board body, of the installation hanging seat, a connecting hole is formed in the connecting lug, and the side skirt board body is positioned at the outer convex arc panel and is connected with the connecting hole through a penetrating connecting piece.
According to one embodiment of the invention, a support piece extending downwards is connected to the inner side of the side wall of the vehicle body, a rotating seat is constructed on the inner side of the transition connecting plate of the side apron board body, a rotating end and a connecting end are arranged on the rotating seat, and the support piece is rotatably connected with the rotating end through a telescopic stay bar hinged with the support piece; the upper end of the supporting piece is connected with the connecting end through a hinge.
Compared with the prior art, the embodiment of the invention at least has the following advantages:
according to the rail train provided by the embodiment of the invention, the side skirt board at the position of the bogie cabin extends downwards to the height matched with the bottom board of the train, so that the effect of wrapping the bogie is enhanced, airflow is guided to flow along the surface of the train body, the airflow entering the inside of the bogie cabin is reduced, the resistance reduction effect is achieved, and the pneumatic performance is improved. Meanwhile, the side skirt board blocks the outward transmission of noise in the bogie cabin, and the effect of reducing the far-field noise of the train is also achieved.
According to the side skirt board structure of the railway train bogie, disclosed by the embodiment of the invention, the side skirt board body is transversely widened to the side skirt board in the width direction of the train by arranging the outward convex arc panel which is outward convex in the width direction of the train, so that the side skirt board is prevented from resisting the bogie; in addition, the transition connecting plate, the outer convex cambered plate and the inner extending plate are in cambered surface transition connection, the streamline degree is increased, the flow guide effect is favorably enhanced, and the aerodynamic performance is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a side skirt panel structure of a railway train bogie according to an embodiment of the invention;
FIG. 2 is a schematic view of the installation of a side skirt panel structure of a railway train bogie according to an embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
figure 4 is a schematic cross-sectional view of a railway train bogie side skirt panel configuration according to an embodiment of the present invention;
figure 5 is a schematic view of another installation of a railway train bogie side skirt panel configuration according to an embodiment of the present invention when not open;
figure 6 is a schematic view of another installation of a railway train bogie side skirt panel configuration of an embodiment of the present invention when open;
FIG. 7 is a schematic view of the installation of the pod of an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a pod embodying the present invention.
Description of the drawings:
1: a vehicle body underframe; 2: a vehicle bottom plate; 3: a side skirt board body; 31: a transition connecting plate; 32: an outer convex cambered plate; 33: an inner extension plate; 4: a pod; 41: a first baffle; 42: a second baffle; 43: a transition extension plate; 44: a diversion trench; 45: a mounting seat; 5: a bogie cabin; 6: an end plate bracket; 7: a wheel rail surface; 9: a supporting seat; 10: installing a hanging seat; 11: a support member; 12: a telescopic stay bar; 13: folding; 14: a vehicle body side wall; 15: and (4) bolts.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 1 to 6, in one aspect, an embodiment of the present invention provides a railway train bogie side skirt board structure, configured to be disposed on two opposite sides of a bogie cabin 5 in a train width direction, and specifically includes: the skirt board comprises a side skirt board body 3, wherein the side skirt board body 3 comprises a transition connecting plate 31, an outer arc-shaped panel 32 in arc transition connection with the transition connecting plate 31, and an inner extending plate 33 which is in arc transition connection with the outer arc-shaped panel 32 and extends towards the outer convex direction far away from the outer arc-shaped panel 32; specifically, with reference to the installed orientation of the railway train bogie side skirt structure, the transition connecting plate 31 extends downward from the body side wall 14, the outer convex arc panel 32 protrudes outward, and an inner extension plate 33 extending in the vehicle body direction along the lower end of the outer convex arc panel 32 is provided at the lower end of the outer convex arc panel 32 in order to form a full cladding effect on the bogie. In the embodiment, the side skirt board body 3 is provided with the outward convex cambered panel 32 which is convex outwards along the width direction of the train, so that the side skirt board is widened transversely along the width direction of the train, and the side skirt board is prevented from resisting a bogie; in addition, the transition connecting plate 31, the outer convex cambered plate 32 and the inner extending plate 33 are in cambered surface transition connection, so that the streamline degree is increased, the diversion effect is favorably enhanced, and the aerodynamic performance is improved. The setting of this embodiment side skirtboard body 3 can strengthen the parcel effect to the bogie, and the guide air current flows along the automobile body surface 3 surfaces of side skirtboard body promptly, reduces and gets into 5 inside air currents in bogie cabin, plays the drag reduction effect to pneumatic performance has been improved. Meanwhile, the side skirt board blocks the outward transmission of noise in the bogie cabin 5, and the effect of reducing far-field noise of the train is also achieved.
In order to ensure the strength of the side skirt body 3, according to one embodiment of the present invention, the transition connecting plate 31, the outer convex cambered plate 32 and the inner extending plate 33 are integrally formed.
According to one embodiment of the invention, the side skirt body 3 is made of a honeycomb aluminum structure plate, the weight is light, the strength is high, and the gaps of the honeycomb aluminum structure plate are filled with sound insulation materials, so that the pneumatic noise generated in the bogie cabin 5 can be obstructed and absorbed. Here, the sound insulating material may be a sound insulating material such as glass wool, and is not particularly limited.
On the other hand, as shown in fig. 2 to 4, the embodiment of the invention further provides a rail train, which comprises a train body, a bogie cabin 5 arranged below the underframe 1 of the train body, a bogie arranged in the bogie cabin 5, and train bottom plates 2 arranged at the front end and the rear end of the bogie cabin 5 along the train running direction.
This rail train still includes to be located along train width direction the rail train bogie side skirtboard structure of the relative both sides of bogie cabin 5, rail train bogie side skirtboard structure includes side skirtboard body 3, side skirtboard body 3 include by the transition connecting plate 31 of vehicle body side wall 14 downwardly extending, with transition connecting plate 31 circular arc transitional coupling and towards the convex outer cambered surface board 32 outside the car and with outer cambered surface board 32 transitional coupling and towards the interior board 33 that extends of automobile body direction, the bottom surface height of interior board 33 with the place height phase-match of vehicle bottom board 2. By extending the side skirt board at the position of the bogie cabin 5 downwards to the height matched with the vehicle bottom board 2, the effect of wrapping the bogie is enhanced, air flow is guided to flow along the surface of the vehicle body, the air flow entering the inside of the bogie cabin 5 is reduced, the resistance reduction effect is achieved, and the pneumatic performance is improved. Meanwhile, the side skirt board blocks the outward transmission of noise in the bogie cabin 5, and the effect of reducing far-field noise of the train is also achieved.
Specifically, the lower edge of the side skirt board is flush with the vehicle bottom board 2, namely, the side full-wrapping is realized on the bogie cabin 5. If the lower edge of the side skirt board is slightly higher than the plane of the vehicle bottom board 2, part of the bogie is exposed out of the side surface of the side skirt board, the purposes of resistance reduction and noise reduction can be realized, but the effect is not as good as that of the full-coating skirt board.
According to one embodiment of the invention, the side apron body 3 is sized and shaped to match the shape of the side of the bogie compartment 5, in particular, as shown in fig. 2, the side of the bogie compartment 5 is isosceles trapezoid, so the side apron body 3 is shaped to match the isosceles trapezoid.
According to an embodiment of the present invention, considering the car body boundary, the outer convex arc panel 32 cannot resist the facilities along the railway, so that the side skirt cannot be excessively convex, and there is an outer convex upper limit, so that it is required that the convex width of the side skirt body 3 at the opposite sides between the outer convex arc panels 32 in the width direction of the train is smaller than the boundary of the train. The shape of the side skirt board and the shape of the transition curved surface of the side skirt board and the vehicle body have obvious influence on the aerodynamic resistance performance, and the specific shape of the side skirt board needs to be determined through aerodynamic optimization. Figure 1 shows the final profile of the side skirt after aerodynamic optimisation.
The bogie is avoided from the inner side of the side skirt board body 3, and after the side skirt board extends downwards, the side skirt board is transversely widened in the direction perpendicular to the vehicle body to form an outer convex arc panel 32 in order to prevent the side skirt board from resisting the bogie.
In one embodiment, in order to facilitate the installation and fixation of the side skirt body 3, a plurality of connecting seats arranged at intervals are arranged on the side surface of the bogie cabin 5 at the lower end of the car body side wall 14, the connecting seats can be welded at the lower end of the car body side wall 14 and can also be fixed at the lower end of the car body side wall 14 through fasteners, the transition connecting plate 31 is fixedly connected with the connecting seats through connecting pieces, for example, threaded holes are formed in the connecting seats, connecting holes are formed in the transition connecting plate 31, and bolts 15 penetrate through the connecting holes and are fixedly connected with the threaded holes, so that the side skirt body 3 is fixed at the side surface of the bogie.
In order to fix the two ends of the side skirt board body 3, end plate brackets 6 are respectively arranged at the front end and the rear end of the bogie cabin 5, a supporting seat 9 is fixed on the outer side of each end plate bracket 6, the length direction of each supporting seat 9 extends along the length direction of the bogie, the thickness direction of each supporting seat 9 does not protrude out of the outer side of the bogie cabin 5, the side skirt board body 3 is convenient to mount, the two ends of the side skirt board body 3 in the length direction are fixedly connected with the supporting seats 9 through fasteners such as bolts 15, therefore, the side faces and the two ends of the side skirt board body 3 are fixed through the connecting seats and the supporting seats 9, and the mounting reliability of.
In order to increase the installation firmness, according to an embodiment of the present invention, as shown in fig. 4, the side surface of the bogie cabin 5, which is preferentially located in the middle of the side surface of the bogie cabin 5, is further provided with an installation hanging seat 10, an upper end of the installation hanging seat 10 is fixedly connected to a lower end of the vehicle body side wall 14, for example, fixedly connected to the lower end of the vehicle body side wall 14 by welding, the installation hanging seat 10 extends downward along the height direction of the vehicle body, and a connecting lug is provided on a side of the installation hanging seat 10 facing the side skirt board body 3, the connecting lug is provided with a connecting hole, and the side skirt board body 3 is located at the outer arc panel 32 and is connected with the connecting hole by a penetrating connecting piece, such as a bolt 15. The reliability of the side skirt installation is further improved by installing the hanger 10.
According to another embodiment of the present invention, as shown in fig. 5 and fig. 6, in order to facilitate opening of the side skirt body 3, a downwardly extending supporting member 11 is connected to an inner side of the body side wall 14, the supporting member 11 may be a cylindrical section bar, the side skirt body 3 is configured with a rotating seat on an inner side of the transition connecting plate 31, the rotating seat is provided with a rotating end and a connecting end, and the supporting member 11 is rotatably connected to the rotating end through a telescopic brace 12, such as a pneumatic brace, hinged to the rotating seat; the upper end of the support piece 11 is connected with the connecting end through a hinge 13, the hinge 13 is bent, one end of the hinge is connected with the lower end of the side wall 14 of the vehicle body, and the other end of the hinge is connected with the connecting end of the rotating seat. The pneumatic stay bar mounting mode can realize automatic and upturning type side skirt board opening, labor is saved, but the mode needs to introduce the pneumatic stay bar and an automatic control system, and the reliability is inferior to that of a fixed mounting mode such as a bolt 15.
In addition, as shown in fig. 7 and 8, in order to enhance the diversion effect of the bogie cabin 5, the fairings 4 located at the front end and the rear end of the bogie cabin 5 are respectively arranged along the running direction of the train, the fairings 4 are configured with a first spoiler 41 and a second spoiler 42 connected with the first spoiler 41 at an angle, the free end of the first spoiler 41 is connected with the train bottom plate 2, a diversion trench 44 with an opening facing downwards and recessing upwards the train bottom plate 2 is formed between the first spoiler 41 and the second spoiler 42, and the diversion trench 44 is used for guiding the air flow blown to the protection equipment downwards.
Here, in the "front and rear ends of the protection cabin 5," front "means a forward direction of the train, and" rear "means a reverse direction of the forward direction of the train.
Further, "the free end of the first baffle 41" refers to the end of the first baffle 41 away from the second baffle 42.
Of course, the angle between the first air deflector 41 and the second air deflector 42 can be set to different angles according to different installation requirements, and the angle is not fixed.
This embodiment is through constructing the guiding gutter 44 towards the indent of vehicle bottom board 2 top on kuppe 4, because this kuppe 4 does not have protrusion vehicle bottom board 2, this embodiment kuppe 4 caves in vehicle bottom board 2 to do not increase the windward area, on the other hand will blow to the air current of protection cabin 5 to the ground direction drainage through guiding gutter 44, reduce the air current in the direct inflow protection cabin 5, thereby reduce the direct impact of air current to protective apparatus, the drag reduction is effectual, the aerodynamic drag performance of whole car has been improved. And the air guide sleeve 4 has simple structure and is convenient to install and maintain.
Further, to enhance the diversion effect, the diversion trench 44 should be installed as close to the protection cabin 5 as possible.
As shown in fig. 7, the floor 2 is provided below the vehicle body underframe 1 at an interval with respect to the vehicle body underframe 1, and the floor 2 is positioned above the wheel rail surface 7.
The air guide covers 4 are arranged on the bottom plates of the equipment cabins close to the front end and the rear end of the bogie, so that front and rear air flows of the bogie are guided to flow towards the ground direction, the air flow which directly flows into the bogie cabin 5 is reduced, the pressure difference resistance caused by direct impact of the air flow on a bogie frame body is reduced, and the pneumatic resistance performance of the whole vehicle is improved. In addition, the air flow entering the bogie cabin 5 is reduced by the flow guide device, so that the snow entering amount of the bogie cabin 5 can be reduced in windy and snowy weather, and the function of preventing the bogie from being snowed and iced is achieved.
In order to facilitate the installation of the pod 4, according to an embodiment of the present invention, the pod 4 further includes a transition extension plate 43 connected to the first spoiler 41 at an angle, and the pod 4 is connected to the chassis 2 through the transition extension plate 43.
Further, first guide plate 41, second guide plate 42 and transition extension plate 43 can be through the shaping of bending in an organic whole, and the shaping is effectual, and the shaping is efficient, and intensity is good.
According to an embodiment of the present invention, the transition extension plate 43 extends horizontally, so as to be connected to the vehicle bottom plate 2 disposed horizontally, an obtuse angle is formed between the transition extension plate 43 and the first spoiler 41, and the diversion trench 44 is recessed towards the upper side of the vehicle bottom plate 2, so that the first spoiler 41 is disposed obliquely upward along the transition extension plate 43, that is, an obtuse angle included angle between the first spoiler 41 and the transition extension plate 43 is located on one side of the transition extension plate 43 and the first spoiler 41 facing the vehicle body, that is, an obtuse angle included angle between the first spoiler 41 and the transition extension plate 43 is located on the upper side of the transition extension plate 43 and the first spoiler 41.
Further, the transition extending plate 43 is in fillet transition connection with the connection position of the first guide plate 41, and the first guide plate 41 is in fillet transition connection with the second guide plate 42, so as to improve the streamline degree of the section of the guide groove 44 and enhance the flow guiding effect.
Further, the transition extension plate 43 with the vehicle bottom plate 2 passes through fastener such as bolt fixed connection, for the convenience of transition extension plate 43 and vehicle bottom plate 2 reliable connection, will pass through on the extension plate 43 is connected to the crossbeam of vehicle bottom plate 2, and transition extension plate 43 sets up on the horizontal muscle of crossbeam and screws up through the bolt, connects conveniently, reliably. The outer side of the second baffle 42 is configured with a mounting seat 45 for facilitating connection with the end plate bracket 6.
It is verified that the longer the width of the diversion trench 44 in the vehicle width direction, the better the drag reduction effect, and the design is needed according to the actual vehicle condition.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (9)
1. A rail train comprises a train body, a bogie cabin arranged below a train body underframe, a bogie arranged in the bogie cabin, train bottom plates arranged at the front end and the rear end of the bogie cabin along the train running direction, and a rail train bogie side apron plate structure arranged at the two opposite sides of the bogie cabin along the train width direction, wherein the rail train bogie side apron plate structure comprises a side apron plate body, the side apron plate body comprises a transition connecting plate extending downwards from a train body side wall, an outer convex arc panel in arc transition connection with the transition connecting plate and protruding out of the train, and an inner extension plate in arc transition connection with the outer convex arc panel and extending towards the train body direction, and the bottom surface height of the inner extension plate is matched with the height of the train bottom plates;
along the direction of travel of train, be equipped with respectively and be located the kuppe at bogie cabin front and back both ends, the kuppe structure have first guide plate and with first guide plate is the second guide plate of angle connection, the free end of first guide plate with the vehicle bottom plate is connected, first guide plate with form the opening between the second guide plate towards under the car and to the guiding gutter of vehicle bottom plate top indent.
2. The rail train of claim 1, wherein the transition connection plate, the outer arcuate panel, and the inner extension plate are integrally formed.
3. The rail train of claim 1, wherein the side skirt body is a honeycomb aluminum structural plate, and a gap of the honeycomb aluminum structural plate is filled with a sound insulation material.
4. The rail train of claim 1, wherein the side skirt body is sized and shaped to match a side shape of the truck bed.
5. The rail train of claim 1, wherein the convex width of the side skirt body between the convex arc panels on opposite sides in the train width direction is less than the train limit;
the bogie is avoided from the inner side of the side apron plate body.
6. The rail train according to claim 1, wherein the lower end of the side wall of the train body is provided with a plurality of connecting seats arranged at intervals on the side surface of the bogie cabin, and the transition connecting plate is fixedly connected with the connecting seats through connecting pieces.
7. The rail train according to claim 1, wherein end plate brackets are respectively provided at front and rear ends of the bogie cabin, a support seat is fixed to an outer side of each end plate bracket, and both ends of the side skirt body in the longitudinal direction are fixedly connected to the support seats by fasteners.
8. The rail train as claimed in claim 1, wherein the side of the truck cabin is further provided with a mounting hanger, the upper end of the mounting hanger is fixedly connected to the lower end of the side wall of the train body, the mounting hanger extends downwards along the height direction of the train body, a connecting lug is arranged on one side of the mounting hanger facing the side skirt board body, a connecting hole is arranged on the connecting lug, and the side skirt board body is connected with the connecting hole at the outer convex arc panel through a penetrating connecting piece.
9. The rail train as claimed in claim 1, wherein a downwardly extending supporting member is connected to the inner side of the side wall of the train body, a rotating seat is configured on the inner side of the transition connecting plate of the side skirt body, a rotating end and a connecting end are arranged on the rotating seat, and the supporting member is rotatably connected with the rotating end through a telescopic stay bar hinged with the supporting member; the upper end of the supporting piece is connected with the connecting end through a hinge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010060468.5A CN111186457B (en) | 2020-01-19 | 2020-01-19 | Rail train bogie side apron board structure and rail train |
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| CN202010060468.5A CN111186457B (en) | 2020-01-19 | 2020-01-19 | Rail train bogie side apron board structure and rail train |
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| CN111186457A CN111186457A (en) | 2020-05-22 |
| CN111186457B true CN111186457B (en) | 2021-06-22 |
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| CN113447231B (en) * | 2021-05-19 | 2022-05-17 | 中南大学 | Simulation automobile body that bogie snow icing wind tunnel test used |
| CN113696928B (en) * | 2021-09-26 | 2023-04-28 | 中车唐山机车车辆有限公司 | Bogie cabin |
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