CN112026811A - Rail vehicle step ladder assembly, end wall and rail vehicle - Google Patents
Rail vehicle step ladder assembly, end wall and rail vehicle Download PDFInfo
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- CN112026811A CN112026811A CN202010949068.XA CN202010949068A CN112026811A CN 112026811 A CN112026811 A CN 112026811A CN 202010949068 A CN202010949068 A CN 202010949068A CN 112026811 A CN112026811 A CN 112026811A
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- reinforcing
- end wall
- railway vehicle
- plate
- ladder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
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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
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
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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
- B61D17/06—End walls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Life Sciences & Earth Sciences (AREA)
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The embodiment of the invention provides a step ladder assembly of a railway vehicle, an end wall and the railway vehicle, wherein the step ladder comprises the following components: the end wall of the railway vehicle is provided with a plurality of tramcar steps at intervals along the height direction of the end wall of the railway vehicle and reinforcing parts respectively connected with each tramcar step and the end wall; the step ladder comprises a first step part and a second step part, wherein the first step part is positioned on the outer side of the end wall, and the second step part is positioned on the inner side of the end wall and connected with the reinforcing part. According to the step assembly, the end wall and the rail vehicle of the rail vehicle provided by the embodiment of the invention, the independent step and the reinforcing part corresponding to the step are arranged on the end wall, so that each step is reinforced, and the problems of insufficient strength, looseness and aging caused by the fact that the conventional step is integrally welded on the outer part of the end wall after long-time use are solved.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a pedaling ladder assembly of a railway vehicle, an end wall and the railway vehicle.
Background
The outer side of the end wall structure of the railway vehicle is provided with a climbing ladder for people to climb, so that the condition of the roof of the railway vehicle can be conveniently checked. The existing car stepping ladder adopts a scheme of directly welding the outer side of the end wall, has the problems of weaker strength and easy looseness after long-term use, and causes the car stepping ladder to be improved in strength.
The present invention has been made in view of the above.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a pedaling ladder assembly of a railway vehicle, which is used for solving the defect of weaker strength of a scheme for directly welding the pedaling ladder at the outer side in the prior art, and each pedaling ladder is reinforced by arranging the independent pedaling ladder and the reinforcing structure corresponding to the pedaling ladder on the end wall, so that the problems of insufficient strength, looseness and aging caused by the fact that the conventional pedaling ladder is integrally welded at the outer part of the end wall after long-time use are solved.
The invention further provides an end wall of the railway vehicle, which is used for solving the defects that the scheme that the outside direct welding step ladder is weak in strength and the space of the car roof is excessively occupied in the prior art.
The invention further provides a railway vehicle, which is used for solving the defects that the scheme of directly welding the pedaling ladders at the outer side is weaker in strength and the space of the roof is excessively occupied in the prior art, each pedaling ladder is reinforced by arranging the independent pedaling ladder and the reinforcing structure corresponding to the pedaling ladder on the end wall, the problems of insufficient strength and looseness and aging after long-time use caused by the fact that the conventional pedaling ladder is integrally welded at the outer part of the end wall are avoided, and the waste air outlet and the electric appliance interface are arranged on the end wall, so that the space of the roof is released.
According to an embodiment of a first aspect of the invention, a kicking ladder assembly for a railway vehicle comprises:
the end wall of the railway vehicle is provided with a plurality of tramcar steps at intervals along the height direction of the end wall of the railway vehicle and reinforcing parts respectively connected with each tramcar step and the end wall;
the step ladder comprises a first step part and a second step part, wherein the first step part is positioned on the outer side of the end wall, and the second step part is positioned on the inner side of the end wall and connected with the reinforcing part.
According to an embodiment of the present invention, the reinforcement portion includes: an inner stiffening plate and an outer stiffening plate;
the inner side reinforcing plate comprises a first inner side reinforcing surface, a second inner side reinforcing surface and a third inner side reinforcing surface which are sequentially connected;
the first inner side reinforcing surface is in butt welding fit with the inner wall of the end wall;
the two second inner side reinforcing surfaces are symmetrically arranged on two sides of the first inner side reinforcing surface along the height direction and extend towards one side far away from the end wall;
the two third inner side reinforcing surfaces are respectively connected with the corresponding second inner side reinforcing surfaces and extend towards one side back to the back;
and the outer side reinforcing plate is in butt welding fit with the third inner side reinforcing surface.
Particularly, through setting up and end wall complex inboard stiffening plate, with inboard stiffening plate and the outside stiffening plate of pedaling the ladder complex, realized the reinforcement to the ladder structure of pedaling, the ladder of pedaling promptly realizes one side location in end wall part and end wall, inboard stiffening plate cooperation, realizes the location once more in outside stiffening plate department, and the stability of the ladder of pedaling has been guaranteed in two spaced location.
According to an embodiment of the present invention, the inner reinforcing plate further includes a fourth inner reinforcing surface connected to the top side of the first inner reinforcing surface, extending toward one side of the outer reinforcing plate, and abutting or butt-welding-fitting the top side of the outer reinforcing plate.
Specifically, although the boarding ladder and the reinforcing part are separately and correspondingly arranged, the problems of aging and loosening of the boarding ladder may still exist to a greater or lesser extent in long-term use; in order to further guarantee stability and the fastness of the ladder of pedaling, set up a fourth inboard stiffening surface towards outside stiffening plate buckle on first inboard stiffening surface, this fourth inboard stiffening surface at least with the top butt of outside stiffening plate or butt welding cooperation for when first pedal portion received decurrent effort, outside stiffening plate department can provide one and block the effort of second pedal portion rebound.
The fourth inner reinforcing plate may be abutted or butt-welded to the top side of the outer reinforcing plate, and the butt-welding is welding after abutment.
According to one embodiment of the present invention, the outer stiffener includes: a first outer reinforcing surface, a second outer reinforcing surface, and a third outer reinforcing surface;
the first outer side reinforcing surface and the third inner side reinforcing surface are arranged at intervals;
the two second outer side reinforcing surfaces are symmetrically arranged on two sides of the first outer side reinforcing surface along the height direction and extend towards one side of the end wall;
the two third outer side reinforcing surfaces are respectively connected with the corresponding second outer side reinforcing surfaces and extend towards one side back to the back;
and the third outer side reinforcing surface is in butt welding fit with the third inner side reinforcing surface.
Particularly, set the structure of bending many times with the outside stiffening plate, the advantage of this kind of setting is when the outside stiffening plate receives the effort, bending structure can realize the decomposition to the effort, avoid effort direct action structural at the plane setting, for example, the outside stiffening plate receives ascending effort, first outside stiffening surface, second outside stiffening surface and third outside stiffening surface can be decomposed into three not equidirectional with the ascending effort that receives, the effect of different dimensions, the effort intensity that every stiffening surface bore is different, form the reinforcement structure of echelonment, when having guaranteed the reinforcement effect, the structural fatigue who receives the effort and lead to for a long time has been avoided impaired.
According to an embodiment of the present invention, the reinforcement further includes: a reinforcing plate disposed between the inner reinforcing plate and the outer reinforcing plate;
the reinforcing plate comprises a first reinforcing surface, a second reinforcing surface and a third reinforcing surface which are sequentially connected;
the first reinforcing surface is abutted or butt-welded with the outer side reinforcing plate;
the two second reinforcing surfaces are symmetrically arranged on two sides of the first reinforcing surface along the height direction and extend towards one side of the end wall;
the two third reinforcing surfaces are respectively connected with the corresponding second reinforcing surfaces and extend towards one back side;
the third reinforcing surface is in butt welding fit with the first inner side reinforcing surface.
Particularly, because leave the clearance between inboard stiffening plate and the outside stiffening plate, there may be the not enough problem of intensity at this position, set up between inboard stiffening plate and the outside stiffening plate one with inboard stiffening plate and outside stiffening plate complex reinforcing plate, promoted the overall structure intensity of reinforcement portion, the multi-level reinforcement structure setting of face and third reinforced face is strengthened to first reinforcing face, second simultaneously, has also promoted the bearing capacity to the effort.
According to one embodiment of the invention, the first reinforcing surface and the two second reinforcing surfaces form a trapezoidal reinforcing structure.
Specifically, the reinforcing structure that the trapezoidal shape set up can realize more possibilities of decomposing to the effort that receives, and the stability of trapezoidal shape is higher than the structure of right angle simultaneously also.
According to one embodiment of the invention, the boarding ladder is arranged in a U-shaped structure;
the U-shaped end of the U-shaped structure is positioned on the outer side of the end wall to form the first pedal part;
two free ends of the U-shaped structure penetrate through the end wall, and the second pedal part is formed on the inner side of the end wall.
In particular, the U-shaped structure facilitates installation from outside the headwall.
According to an embodiment of the present invention, the second foot support portion passes through the end wall, the first inner side reinforcement surface and the outer side reinforcement plate in this order, and at least partially protrudes from a surface of the outer side reinforcement plate.
Particularly, the part of the second pedal part protrudes out of the outer side reinforcing plate, so that fixation is facilitated, and the mode of welding and threaded connection can be selected.
According to an embodiment of the present invention, at least a portion of the second foot stirrup that passes through the outer stiffening plate is provided with a thread.
Particularly, through setting up the screw thread, can fix the ladder of pedaling the car through the nut in outside stiffening plate department, when being convenient for pedal the ladder and take place not hard up, ageing, damage scheduling problem, carry out timely change.
According to a second aspect of the invention, an end wall of a rail vehicle comprises: the pedaling ladder assembly for the railway vehicle is disclosed.
According to one embodiment of the invention, an electrical interface of an electrical connector is provided on the end wall.
Particularly, the electrical appliance interface is arranged at the position of the end wall, so that the problem that the electrical appliance interface is arranged on the roof or arranged inside the carriage originally is solved, the roof space or the carriage inner space is released, and the larger carriage inner space can be obtained.
According to one embodiment of the present invention, a waste air outlet is provided at one side of the top of the end wall.
Particularly, through setting up useless air exit at the top of endwall, avoided useless air exit too much to occupy the problem of roof space for the useless air exit position that originally sets up at the roof obtains the release, provides more spaces for the carriage.
According to an embodiment of the present invention, further comprising: the waste exhaust upper reinforcing beam and the waste exhaust lower reinforcing beam are welded with the inner wall of the end wall in an abutting mode at the waste air exhaust opening;
the waste exhaust upper reinforcing beam is arranged at the top of the waste exhaust outlet and is welded with a bent beam of the car roof in an abutting mode;
and the waste exhaust lower reinforcing beam is arranged at the bottom of the waste exhaust outlet and is butt-welded with the door upper cross beam.
Particularly, waste through setting up the reinforcement roof beam and useless lower reinforcement roof beam of arranging of useless air exit reinforcement, the intensity of useless air exit on the headwall has been promoted, waste is arranged simultaneously and is strengthened roof beam and roof camber beam butt welding, waste is arranged down reinforcement roof beam and door entablature butt welding, further carry out the reinforcement to useless air exit, avoid because the headwall atress that brings on the headwall with useless air exit shifts to the headwall is too big, long-term the problem that causes the headwall to warp, also through the camber beam with the roof, the butt welding of door entablature, the reinforcement has been carried out useless air exit and headwall.
According to an embodiment of the present invention, further comprising: the longitudinal beam is arranged on the inner wall of the end wall along the height direction of the end wall;
the reinforcing part comprises an inner reinforcing plate and an outer reinforcing plate;
one side of the inner side reinforcing plate is in butt welding with the outer side reinforcing plate, and the other side of the inner side reinforcing plate is in butt welding with the longitudinal beam.
Particularly, the one side of the inner side reinforcing plate is abutted and welded with the longitudinal beam, so that the stepping ladder is further reinforced.
According to one embodiment of the invention, a door frame is further arranged on the end wall, and one end of the door frame is butt-welded with the longitudinal beam.
Particularly, one end of the doorway is abutted to the longitudinal beam, so that the door frame is reinforced, and the end wall is reinforced.
A rail vehicle according to an embodiment of a third aspect of the invention includes: the step ladder assembly of a railway vehicle or the end wall of a railway vehicle.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: according to the step assembly, the end wall and the rail vehicle of the rail vehicle provided by the embodiment of the invention, the independent step and the reinforcing part corresponding to the step are arranged on the end wall, so that each step is reinforced, and the problems of insufficient strength, looseness and aging caused by the fact that the conventional step is integrally welded on the outer part of the end wall after long-time use are solved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of the assembled relationship of end walls, electrical connectors and exhaust air outlets provided in the embodiment of the present invention;
FIG. 2 is a first schematic diagram of direction A provided in the embodiment of the invention of FIG. 1;
FIG. 3 is a second schematic diagram of the embodiment of the invention of FIG. 1, shown from direction A;
FIG. 4 is a first schematic view of the assembled relationship of the headwall, the step ladder and the reinforcement part provided by the embodiment of the present invention in an exploded manner;
FIG. 5 is a second schematic illustration of the assembled relationship of the headwall, the step ladder and the reinforcement portion provided by the embodiment of the present invention in an exploded manner;
FIG. 6 is an exploded third illustration of the assembled relationship of the headwall, the step ladder and the reinforcement provided by the embodiment of the present invention;
FIG. 7 is an exploded fourth illustration of the assembled relationship of the headwall, the step ladder, and the reinforcement provided by the embodiment of the present invention;
fig. 8 is a schematic diagram of the direction B provided in the embodiment of the present invention in fig. 1.
Reference numerals:
1. an end wall;
2. pedaling the ladder; 201. a first pedal portion; 202. a second step portion;
3. an inner side reinforcing plate; 301. a first inner reinforcing surface; 302. a second inner reinforcing surface; 303. a third inner reinforcing surface; 304. a fourth inner reinforcing surface;
4. an outer stiffening plate; 401. a first outer reinforcing surface; 402. a second outboard reinforcing face; 403. a third outer reinforcing surface;
5. a reinforcing plate; 501. a first reinforcing surface; 502. a second reinforcing surface; 503. a third reinforcing surface;
6. an electrical appliance interface;
7. a waste air outlet;
8. the waste discharge is arranged on the reinforcing beam;
9. waste is discharged to lower the reinforcing beam;
10. a stringer;
11. a door frame;
12. bending the beam;
13. the door upper beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present 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", "height", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of 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 and operated in a specific orientation, 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.
Fig. 1 is a schematic view showing an assembly relationship of a headwall 1, an electrical connector 6 and a waste air outlet 7 according to an embodiment of the present invention. As can be seen from the figure, a plurality of boarding ladders 2 are arranged on the end wall 1 at intervals, and it should be noted that the boarding ladders 2 arranged on the end wall 1 are each independently arranged structure, that is, they are not connected with each other, and the installation and replacement can be completed independently.
Further, still be provided with electrical apparatus interface 6 and useless air exit 7 on the headwall 1, will set up originally on the useless air exit 7 of roof shifts headwall 1, the space of roof has been released, the inside space in carriage has been enlarged, simultaneously will set up originally also to shift to the headwall 1 in electrical apparatus interface 6 in roof or carriage and set up, further release carriage inner space, can make the unchangeable rail vehicle of external dimension obtain bigger carriage inner accommodation space.
Fig. 2 is a first schematic diagram of direction a provided in the embodiment of the present invention in fig. 1. Specifically, fig. 2 shows a schematic view of the structure of a single kicking ladder 2, where the inner side of the headwall 1 refers to a position close to the inner side of the vehicle compartment, and the outer side of the headwall 1 refers to a position outside the vehicle compartment. As can be seen from fig. 2, the inner side of the end wall 1 is provided with an inner side reinforcing plate 3 and an outer side reinforcing plate 4, the part of the boarding ladder 2 outside the end wall 1 is a first step portion 201, and the part penetrating through the inner side of the end wall 1 is a second step portion 202. The second step portion 202 passes through the inner side reinforcing plate 3 and the outer side reinforcing plate 4 in this order.
It should be noted that, inboard stiffening plate 3 and outside stiffening plate 4 have only been intercepted partly in fig. 2, its setting can be with the structure of pedaling ladder 2 one-to-one, also can be the columnar structure that sets up along the direction of height in headwall 1 is inboard, a plurality of 2 intervals of pedaling ladders set up on inboard stiffening plate 3 and the same outside stiffening plate 4 of same piece in same piece promptly, the inboard stiffening plate 3 and the outside stiffening plate 4 of independent setting are convenient for change and maintenance, the intensity has then been guaranteed to inboard stiffening plate 3 and the outside stiffening plate 4 of whole setting, also have the reinforcement of certain degree to headwall 1.
Fig. 3 is a second schematic diagram of the embodiment of the invention in fig. 1. A part of the inner reinforcing plate 3 shown in fig. 3 is butt-welded to the longitudinal beam 10, and the step 2 is further reinforced by being connected to the longitudinal beam 10, so that the problem of looseness caused by long-term use is avoided.
Further, a part of the door frame 11 is also connected to the side member 10, and this arrangement relationship also reinforces the strength of the door frame 11 to some extent.
Fig. 4 and 5 are first and second schematic views of the assembled relationship of the headwall 1, the boarding ladder 2 and the reinforcement provided by the embodiment of the present invention. As can be seen from fig. 4 and 5, the present invention provides two different embodiments, in fig. 5, a fourth inner reinforcing surface 304 is added to the inner reinforcing plate 3, and a height direction acting force can be provided to the outer reinforcing plate 4 by the arrangement of the fourth inner reinforcing surface 304, so as to prevent the outer reinforcing plate 4 from being deformed due to a long-term upward acting force.
Fig. 6 and 7 are third and fourth schematic views showing the assembled relationship of the headwall 1, the boarding ladder 2 and the reinforcement part according to the embodiment of the present invention. As can be seen from fig. 6 and 7, the present invention provides two different embodiments, and the outer side reinforcing plate 4 in fig. 6 is optimized to bear larger longitudinal acting force for the multi-step reinforcing structure. The fourth inner reinforcing surface 304 is added to the inner reinforcing plate 3 in fig. 7, and the fourth inner reinforcing surface 304 can provide an acting force in the height direction to the outer reinforcing plate 4, thereby preventing the outer reinforcing plate 4 from being deformed by the acting force acting upwards for a long time.
Fig. 8 is a schematic diagram of the direction B provided in the embodiment of the present invention in fig. 1. As can be seen from fig. 8, the exhaust air outlet 7 is arranged on one side of the end wall 1 close to the roof, and the exhaust upper reinforcing beam 8 and the exhaust lower reinforcing beam 9 are added, further, the exhaust upper reinforcing beam 8 is butt-welded with the camber beam 12 of the roof, and the exhaust lower reinforcing beam 9 is butt-welded with the door upper cross beam 13, so that the reinforcement of the exhaust air outlet 7 is realized.
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 some embodiments of the present invention, as shown in fig. 1 and 2, the present embodiments provide a kicker ladder assembly of a railway vehicle, comprising: the end wall structure comprises a plurality of pedaling ladders 2 which are arranged on the end wall 1 of the railway vehicle at intervals along the height direction of the end wall 1 of the railway vehicle, and reinforcing parts which are respectively connected with each pedaling ladder 2 and the end wall 1; the boarding ladder 2 comprises a first foot rest 201 on the outside of the headwall 1 and a second foot rest 202 on the inside of the headwall 1 and connected to the reinforcement.
According to the step assembly of the railway vehicle, provided by the embodiment of the invention, the independent step 2 and the reinforcing part corresponding to the step 2 are arranged on the end wall 1, so that each step 2 is reinforced, and the problems of insufficient strength, looseness and aging caused by the fact that the conventional step 2 is integrally welded on the outer part of the end wall 1 after long-time use are solved.
In some embodiments, as shown in fig. 2-7, the reinforcement includes: an inner reinforcing plate 3 and an outer reinforcing plate 4; the inner reinforcing plate 3 includes a first inner reinforcing surface 301, a second inner reinforcing surface 302, and a third inner reinforcing surface 303 connected in this order; the first inner side reinforcing surface 301 is in butt welding fit with the inner wall of the end wall 1; two second inner reinforcing surfaces 302 are arranged on two sides of the first inner reinforcing surface 301 along the height direction and extend towards one side far away from the end wall 1; the two third inner reinforcing surfaces 303 are connected to the corresponding second inner reinforcing surfaces 302, respectively, and extend toward the back side; the outer reinforcing plate 4 is in butt-welding engagement with the third inner reinforcing surface 303.
Particularly, through setting up and inboard stiffening plate 3 of headwall 1 complex, with inboard stiffening plate 3 and the outside stiffening plate 4 of pedaling the ladder 2 complex, realized the reinforcement to the ladder 2 structure of pedaling, pedal the ladder 2 promptly and realize one side location in headwall 1 part and headwall 1, the cooperation of inboard stiffening plate 3, realize the location once more in outside stiffening plate 4 department, two spaced location have guaranteed the stability of the ladder 2 of pedaling.
In some embodiments, as shown in fig. 2 to 7, the inner reinforcing plate 3 further includes a fourth inner reinforcing surface 304 connected to the top side of the first inner reinforcing surface 301, extending toward one side of the outer reinforcing plate 4, and abutting or butt-welding-fitted to the top side of the outer reinforcing plate 4.
Specifically, although the boarding ladder 2 and the reinforcement part are separately and correspondingly arranged, the problem that the boarding ladder 2 is aged or loosened more or less still may exist in long-term use; in order to further ensure the stability and firmness of the boarding ladder 2, a fourth inner reinforcing surface 304 bent towards the outer reinforcing plate 4 is arranged on the first inner reinforcing surface 301, and the fourth inner reinforcing surface 304 is at least abutted against or butt-welded with the top of the outer reinforcing plate 4, so that when the first pedal portion 201 is subjected to a downward acting force, the acting force for blocking the upward movement of the second pedal portion 202 can be provided at the outer reinforcing plate 4.
The fourth inner reinforcing plate 3 and the top side of the outer reinforcing plate 4 may be joined by abutting or butt welding, and butt welding is welding after abutting.
In some embodiments, as shown in fig. 2-7, the outboard stiffener 4 includes: a first outer reinforcing surface 401, a second outer reinforcing surface 402, and a third outer reinforcing surface 403; the first outer reinforcing surface 401 and the third inner reinforcing surface 303 are provided at an interval; two second outer reinforcing surfaces 402 are symmetrically arranged on both sides of the first outer reinforcing surface 401 in the height direction and extend toward one side of the headwall 1; the two third outer reinforcing surfaces 403 are connected to the corresponding second outer reinforcing surfaces 402, respectively, and extend toward the opposite side; the third outer reinforcing surface 403 and the third inner reinforcing surface 303 are in butt-welding engagement.
Particularly, set outside stiffening plate 4 to the structure of bending many times, the advantage of this kind of setting is when outside stiffening plate 4 receives the effort, bending structure can realize the decomposition to the effort, avoid the effort direct action structural at the plane setting, for example outside stiffening plate 4 receives ascending effort, first outside stiffening face 401, second outside stiffening face 402 and third outside stiffening face 403 can decompose into three not equidirectional with the ascending effort that receives, the effect of different dimensions, the effort intensity that every stiffening face bore is different, form the reinforcement structure of echelonment, when having guaranteed the reinforcement effect, the structural fatigue damage that has avoided receiving the effort to lead to for a long time has been avoided.
In some embodiments, as shown in fig. 2-7, the reinforcement further comprises: a reinforcing plate 5 provided between the inner reinforcing plate 3 and the outer reinforcing plate 4; the reinforcing plate 5 comprises a first reinforcing surface 501, a second reinforcing surface 502 and a third reinforcing surface 503 which are connected in sequence; the first reinforcing surface 501 is abutted or butt-welded with the outer reinforcing plate 4; two second reinforcing surfaces 502 are symmetrically arranged on two sides of the first reinforcing surface 501 along the height direction and extend towards one side of the end wall 1; the two third reinforcing surfaces 503 are respectively connected with the corresponding second reinforcing surfaces 502 and extend towards one side back; the third reinforcing surface 503 is in butt-welding fit with the first inner reinforcing surface 301.
Particularly, because leave the clearance between inboard stiffening plate 3 and the outside stiffening plate 4, there may be the not enough problem of intensity at this position, set up one between inboard stiffening plate 3 and the outside stiffening plate 4 with inboard stiffening plate 3 and outside stiffening plate 4 complex reinforcing plate 5, promoted the overall structure intensity of reinforcement portion, the multi-level reinforcement structure setting of first reinforcing surface 501, second reinforcing surface 502 and third reinforcing surface 503 has also promoted the bearing capacity to the effort simultaneously.
In some embodiments, the first reinforcing surface 501 and the two second reinforcing surfaces 502 form a trapezoidal reinforcing structure.
Specifically, the reinforcing structure that the trapezoidal shape set up can realize more possibilities of decomposing to the effort that receives, and the stability of trapezoidal shape is higher than the structure of right angle simultaneously also.
In some embodiments, as shown in fig. 2 to 7, the boarding ladder 2 is arranged in a U-shaped configuration; the U-shaped end of the U-shaped structure is arranged on the outer side of the end wall 1 to form a first pedal part 201; the two free ends of the U-shaped structure pass through the headwall 1 and form a second foot portion 202 on the inside of the headwall 1.
Specifically, the first step portion 201 and the second step portion 202 are connected to form the step ladder 2, wherein the first step portion 201 is provided in a U-shaped structure, and the second step portion 202 is provided in a cylindrical structure connected to two free ends of the U-shaped structure. The U-shaped structure facilitates installation from the outside of the headwall 1.
In some embodiments, as shown in fig. 2 and 3, the second foot peg portion 202 passes through the headwall 1, the first inner stiffening surface 301, and the outer stiffening plate 4 in that order, and protrudes at least partially beyond the surface of the outer stiffening plate 4.
Specifically, the part of the second step portion 202 protrudes from the outer side reinforcing plate 4, so that the fixing is facilitated, and welding or a threaded connection mode can be selected.
In some embodiments, at least the portion of second foot stirrup 202 that passes through outer stiffener 4 is threaded.
Particularly, through setting up the screw thread, can fix the ladder of pedaling through the nut in 4 departments of outside reinforcing plate, when the ladder of pedaling 2 of being convenient for takes place not hard up, ageing, damage scheduling problem, carries out timely change.
In some embodiments of the present invention, as shown in fig. 1 to 8, the present embodiment provides a headwall of a railway vehicle, including: the pedaling ladder assembly for the railway vehicle is disclosed.
In some embodiments, as shown in fig. 1, the headwall 1 is provided with an electrical interface 6 for an electrical connector.
Particularly, the electric appliance interface 6 is arranged at the position of the end wall 1, so that the problem that the electric appliance interface 6 is arranged on the roof or the electric appliance interface 6 is arranged inside the carriage originally is solved, the roof space or the carriage inner space is released, and the larger carriage inner space can be obtained.
In some embodiments, as shown in fig. 1 and 8, the top side of the headwall 1 is provided with a waste air outlet 7.
Particularly, through setting up useless air exit 7 at the top of headwall 1, avoided useless air exit 7 too much to occupy the problem of roof space for originally setting up and obtaining the release in the useless air exit 7 position of roof, provide more spaces for the carriage.
In some embodiments, as shown in fig. 1 and 8, further comprising: a waste exhaust upper reinforcing beam 8 and a waste exhaust lower reinforcing beam 9 which are butt-welded with the inner wall of the end wall 1 are arranged at the inner side of the end wall 1 at the waste exhaust outlet 7; the waste exhaust upper reinforcing beam 8 is arranged at the top of the waste exhaust outlet 7 and is butt-welded with a camber beam 12 of the car roof; the waste exhaust lower reinforcing beam 9 is arranged at the bottom of the waste exhaust outlet 7 and is butt-welded with the door upper cross beam 13.
Particularly, through setting up reinforcing beam 8 and useless lower reinforcing beam 9 of arranging of useless exhaust outlet 7 reinforcement useless, the intensity of useless exhaust outlet 7 on headwall 1 has been promoted, simultaneously will useless arrange reinforcing beam 8 and the camber beam 12 butt welding of roof on, arrange useless lower reinforcing beam 9 and the butt welding of door entablature 13, further carry out the reinforcement to useless exhaust outlet 7, avoid because the headwall 1 atress that brings on shifting useless exhaust outlet 7 to headwall 1 is too big, long-term the problem that causes headwall 1 to warp, also through the camber beam 12 with the roof, the butt welding of door entablature 13, the reinforcement has been carried out useless exhaust outlet 7 and headwall 1.
In some embodiments, as shown in fig. 1 and 8, further comprising: a longitudinal beam 10 arranged on the inner wall of the end wall 1 along the height direction of the end wall 1; the reinforcing part comprises an inner reinforcing plate 3 and an outer reinforcing plate 4; one surface of the inner reinforcing plate 3 is butt-welded to the outer reinforcing plate 4, and the other surface is butt-welded to the longitudinal beam 10.
Specifically, the step ladder 2 is further reinforced by welding one surface of the inner reinforcing plate 3 to the side member 10.
In some embodiments, as shown in fig. 3, the end wall 1 is further provided with a door frame 11, and one end of the door frame 11 is welded to the longitudinal beam 10.
Specifically, the reinforcement of the door frame 11 and the reinforcement of the headwall 1 are realized by butt-welding one end of the doorway to the longitudinal beam 10.
In some embodiments of the invention, the present embodiments provide a rail vehicle comprising: the step ladder assembly of a railway vehicle or the end wall of a railway vehicle.
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.
Finally, it should be noted that: 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 (14)
1. A step ladder assembly for a railway vehicle, comprising:
the end wall of the railway vehicle is provided with a plurality of tramcar steps at intervals along the height direction of the end wall of the railway vehicle and reinforcing parts respectively connected with each tramcar step and the end wall;
the step ladder comprises a first step part and a second step part, wherein the first step part is positioned on the outer side of the end wall, and the second step part is positioned on the inner side of the end wall and connected with the reinforcing part.
2. The kicker ladder assembly of a railway vehicle of claim 1, wherein the reinforcement portion comprises: an inner stiffening plate and an outer stiffening plate;
the inner side reinforcing plate comprises a first inner side reinforcing surface, a second inner side reinforcing surface and a third inner side reinforcing surface which are sequentially connected;
the first inner side reinforcing surface is in butt welding fit with the inner wall of the end wall;
the two second inner side reinforcing surfaces are symmetrically arranged on two sides of the first inner side reinforcing surface along the height direction and extend towards one side far away from the end wall;
the two third inner side reinforcing surfaces are respectively connected with the corresponding second inner side reinforcing surfaces and extend towards one side back to the back;
and the outer side reinforcing plate is in butt welding fit with the third inner side reinforcing surface.
3. The kicker ladder assembly of a railway vehicle of claim 2, wherein the inboard stiffener further includes a fourth inboard stiffener surface connected to, extending toward one side of the outboard stiffener and abutting or butt-welded to the top side of the outboard stiffener.
4. The kicker ladder assembly of a railway vehicle of claim 2, wherein the outboard stiffening plate includes: a first outer reinforcing surface, a second outer reinforcing surface, and a third outer reinforcing surface;
the first outer side reinforcing surface and the third inner side reinforcing surface are arranged at intervals;
the two second outer side reinforcing surfaces are symmetrically arranged on two sides of the first outer side reinforcing surface along the height direction and extend towards one side of the end wall;
the two third outer side reinforcing surfaces are respectively connected with the corresponding second outer side reinforcing surfaces and extend towards one side back to the back;
and the third outer side reinforcing surface is in butt welding fit with the third inner side reinforcing surface.
5. The kicker ladder assembly of a railway vehicle of claim 2, wherein the reinforcement further comprises: a reinforcing plate disposed between the inner reinforcing plate and the outer reinforcing plate;
the reinforcing plate comprises a first reinforcing surface, a second reinforcing surface and a third reinforcing surface which are sequentially connected;
the first reinforcing surface is abutted or butt-welded with the outer side reinforcing plate;
the two second reinforcing surfaces are symmetrically arranged on two sides of the first reinforcing surface along the height direction and extend towards one side of the end wall;
the two third reinforcing surfaces are respectively connected with the corresponding second reinforcing surfaces and extend towards one back side;
the third reinforcing surface is in butt welding fit with the first inner side reinforcing surface.
6. The kicker ladder assembly of a railway vehicle of claim 5, wherein the first reinforcing face and the two second reinforcing faces form a trapezoidal reinforcing structure.
7. The steps ladder assembly of a railway vehicle as claimed in any one of claims 2 to 6, wherein the steps ladder is arranged in a U-shaped configuration;
the U-shaped end of the U-shaped structure is positioned on the outer side of the end wall to form the first pedal part;
two free ends of the U-shaped structure penetrate through the end wall, and the second pedal part is formed on the inner side of the end wall.
8. The stair step assembly of claim 7, wherein the second foot step portion extends through the endwall, the first inboard stiffener surface, and the outboard stiffener, and at least partially protrudes from a surface of the outboard stiffener.
9. The stair step assembly of a railway vehicle as claimed in claim 8, wherein at least a portion of the second foot stirrup that passes through the outer stiffener is threaded.
10. A railway vehicle headwall comprising a kicker ladder assembly of a railway vehicle as claimed in any one of claims 1 to 9.
11. A railway vehicle headwall as claimed in claim 10 wherein the headwall is provided with an electrical interface for an electrical connector;
and a waste air outlet is formed in one side of the top of the end wall.
12. A rail vehicle headwall as defined in claim 11, further comprising: the waste exhaust upper reinforcing beam and the waste exhaust lower reinforcing beam are welded with the inner wall of the end wall in an abutting mode at the waste air exhaust opening;
the waste exhaust upper reinforcing beam is arranged at the top of the waste exhaust outlet and is welded with a bent beam of the car roof in an abutting mode;
and the waste exhaust lower reinforcing beam is arranged at the bottom of the waste exhaust outlet and is butt-welded with the door upper cross beam.
13. A rail vehicle headwall as claimed in any one of claims 10 to 12, further comprising: the longitudinal beam is arranged on the inner wall of the end wall along the height direction of the end wall;
the reinforcing part comprises an inner reinforcing plate and an outer reinforcing plate;
one surface of the inner side reinforcing plate is welded with the outer side reinforcing plate in an abutting mode, and the other surface of the inner side reinforcing plate is welded with the longitudinal beam in an abutting mode;
and a door frame is further arranged on the end wall, and one end of the door frame is butt-welded with the longitudinal beam.
14. A rail vehicle, comprising: a railway vehicle step assembly as claimed in any one of claims 1 to 9 or a railway vehicle headwall as claimed in any one of claims 10 to 13.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949068.XA CN112026811B (en) | 2020-09-10 | 2020-09-10 | Rail vehicle step ladder assembly, end wall and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949068.XA CN112026811B (en) | 2020-09-10 | 2020-09-10 | Rail vehicle step ladder assembly, end wall and rail vehicle |
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| CN112026811B CN112026811B (en) | 2021-11-09 |
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