CN112026831A - Force transmission structure of anti-creeper, end underframe and railway vehicle - Google Patents
Force transmission structure of anti-creeper, end underframe and railway vehicle Download PDFInfo
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- CN112026831A CN112026831A CN202010789081.3A CN202010789081A CN112026831A CN 112026831 A CN112026831 A CN 112026831A CN 202010789081 A CN202010789081 A CN 202010789081A CN 112026831 A CN112026831 A CN 112026831A
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- creeper
- beams
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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
- B61F1/00—Underframes
- B61F1/08—Details
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Abstract
The invention relates to the field of railway vehicles, and provides a force transmission structure of an anti-creeper, an end chassis and a railway vehicle. The anti-creeper force transmission structure comprises a buffer beam, wherein anti-creeper mounting seats are respectively arranged at two ends of the front side of the buffer beam, and an end door upright post mounting part is respectively arranged at the upper end of the buffer beam; the pair of side beams are respectively connected to two ends of the buffer beam; the front end traction beam comprises a pair of front end traction beam bodies of which the rear ends are connected to the coupler mounting seat, and the front ends of the front end traction beams are respectively connected to the corresponding end door upright post mounting parts in an inclined manner; the rear ends of the inclined beams are connected to the side beams, and the front ends of the inclined beams are connected to the rear sides of the buffer beams; the pair of front end cross beams are respectively arranged at the two transverse sides of the coupler mounting seat, the rear ends of each front end traction beam body and each inclined beam are connected to the front end cross beams, and the front end traction beam bodies, the inclined beams and the front end cross beams form a triangular force transmission structure. The invention can quickly transmit the compression load of the anti-creeper to the traction beam and the boundary beam, and can not generate local stress concentration at the floor at the rear end of the anti-creeper.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a force transmission structure of an anti-creeper, an end chassis and a railway vehicle.
Background
In the design of the underframe at the end part of the car body, because the underframe at the end part needs to bear larger anti-creep compression load, the method generally adopted is that a small longitudinal beam is arranged at the rear end of an anti-creep device and connected to a front end cross beam, the small longitudinal beam directly transmits the anti-creep compression load to the front end cross beam, and stress concentration is easily caused at the connection part; meanwhile, the end underframe needs to bear a large longitudinal compression load at the coupler, the front end draft sill and the buffer beam joint have large stress, and the thickness of the plate needs to be increased or a plurality of reinforcing structures need to be additionally added. Both of these aspects add weight, manufacturing cost, and manufacturing difficulty to the end chassis.
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 force transmission structure of an anti-creeper, which solves the technical problem that the small longitudinal beam is required to be arranged at the rear end of the anti-creeper and connected to a front end cross beam, the small longitudinal beam directly transmits anti-creeper compression load to the front end cross beam, and stress concentration is easily caused at the connection position.
The invention also provides an end underframe.
The invention further provides the railway vehicle.
According to the embodiment of the first aspect of the invention, the force transmission structure of the anti-creeper comprises a buffer beam, wherein two ends of the front side of the buffer beam are respectively provided with an anti-creeper mounting seat, and one side, close to the central axis of the buffer beam, of the upper end of the buffer beam is respectively provided with an end door upright mounting part for mounting an end door upright;
the pair of edge beams are respectively connected to two ends of the buffer beam;
the front end traction beam comprises a pair of front end traction beam bodies, the rear ends of the front end traction beam bodies are connected to the coupler mounting seat, and the front end traction beam bodies are respectively connected to the rear side of the buffer beam in an inclined mode and correspond to the end door upright mounting part;
the rear end of each oblique beam is connected to the edge beam, and the front end of each oblique beam is connected to the rear side of the buffer beam and corresponds to the mounting seat of the anti-creeper;
the pair of front end cross beams are respectively arranged on the two transverse sides of the coupler mounting seat, the rear end of each front end traction beam body and the rear end of each inclined beam are connected to the front end cross beam on the side where the front end traction beam body and the inclined beams and the front end cross beams form a triangular force transmission structure.
According to one embodiment of the invention, the two ends of the rear side of the bumper beam are respectively configured with an installation groove, the opening of the installation groove faces to the direction of the front end beam, the end door column installation part is positioned on the upper side surface of the installation groove, and the front end of the front end traction beam body is inserted into the installation groove and abuts against the lower side of the end door column installation part.
According to one embodiment of the invention, the anti-creeper mounting seat is formed outside the bottom wall of the mounting groove, and the bottom wall of the mounting groove is configured with a plurality of connecting holes which are communicated with the anti-creeper mounting seat and a guide hole which is positioned between the plurality of connecting holes;
the front end of the oblique beam is inserted in the mounting groove and is positioned on one side of the mounting groove close to the boundary beam.
According to one embodiment of the invention, open grooves with openings facing each other are respectively formed on opposite sides of a pair of the side beams, two ends of the bumper beam are inserted into the open grooves, the height of the installation groove for being inserted into the open grooves is matched with the height of the open grooves and is smaller than the height of other parts of the installation groove, and the rear end of the oblique beam is inserted into the open grooves.
According to one embodiment of the invention, the oblique beam comprises a vertical plate and a transverse plate which is bent and extended from the upper side and the lower side of the vertical plate to the same side, the width of the vertical plate is gradually increased from one end to the other end, and the two ends of the transverse plate on the side far away from the vertical plate are respectively configured into inwards concave arc-shaped surfaces.
According to one embodiment of the invention, a gap is left between the two ends of the cross plate and the vertical plate, at which gap the two ends of the cross plate are adjustable.
According to one embodiment of the invention, one end of the front end cross beam is connected to the rear end side wall of the front end draft sill body, the other end of the front end cross beam is inserted into the open slot, two lateral cross plates of the oblique beam are lapped on the upper surface and the lower surface of the front end cross beam, and two ends of one side of the front end cross beam, which is far away from the oblique beam, are respectively configured as an inwards concave arc-shaped surface.
According to an embodiment of the invention, each front end draft sill body comprises an L-shaped web, a cover plate and a reinforcing rib plate connected between a horizontal section of the L-shaped web and the cover plate, each front end draft sill body is provided with an opening penetrating through a vertical section of the L-shaped web and the reinforcing rib plate, and sealing plates are arranged around the opening.
According to the embodiment of the second aspect of the invention, the end underframe comprises the force transmission structure of the anti-climbing device, an auxiliary cross beam is further arranged between the buffer beam and the front end cross beam and comprises three sections, the auxiliary cross beam on each section of two sides is respectively connected between the oblique beam and the front end traction beam body, and the auxiliary cross beam in the middle section is connected between the pair of front end traction beam bodies.
According to the third aspect of the invention, the rail vehicle comprises a pair of end door columns and the anti-creeper force transmission structure or the end underframe, wherein the pair of end door columns are installed on the end door column installation part of the buffer beam.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
the force transmission structure of the anti-creeper provided by the embodiment of the invention adopts a triangular force transmission structure formed by a front end traction beam body, an oblique beam and a front end cross beam; through forming stable triangle-shaped force transmission structure, can transmit the compressive load of anticreeper to draw beam and boundary beam fast, can not produce local stress concentration in anticreeper rear end floor department.
The end underframe provided by the embodiment of the invention has the force transmission structure of the anti-creeper, so that the strength of the end underframe is enhanced, and the weight of the end underframe is reduced.
According to the railway vehicle, the end door upright post, the front end traction beam and the oblique beam form a stable frame structure to bear compression and tension loads of the coupler together, and the bearing capacity of the end underframe is improved. And because the force transmission structure of the anti-climbing device or the end underframe is arranged, the force transmission structure of the anti-climbing device or the end underframe has all the advantages of the force transmission structure of the anti-climbing device or the end underframe, and the detailed description is omitted.
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 top view of a force transfer structure of an anti-creeper of an embodiment of the invention;
FIG. 2 is a schematic perspective view of an oblique beam in the force transfer structure of the climbing guard according to the embodiment of the present invention;
FIG. 3 is a schematic perspective view of a bumper beam in an anti-creeper force transfer configuration of an embodiment of the present invention, wherein the mounting slots are shown;
FIG. 4 is a schematic perspective view of a front end draft sill body in an anti-creeper force transfer configuration of an embodiment of the invention;
FIG. 5 is a schematic partial structural view of a railway vehicle illustrating an end door pillar according to an embodiment of the invention.
Reference numerals:
10: a bumper beam; 11: mounting grooves; 11-1: connecting holes; 11-2: a guide hole; 12: an anticreeper mount; 13: an end door pillar mounting section; 20: a front end draft sill; 21: a front end trailing beam body; 22: an L-shaped web; 23: reinforcing rib plates; 24: a cover plate; 25: opening a hole; 26: closing the plate; 30: an oblique beam; 31: a vertical plate; 32: a transverse plate; 33: a notch; 40: a front end cross member; 50: an auxiliary cross beam; 60: a coupler mounting seat; 70: a boundary beam; 80: end door columns.
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", "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 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.
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.
As shown in fig. 1 to 4, in a first aspect, an anti-creeper force transmission structure according to an embodiment of the present invention mainly includes a bumper beam 10, a pair of side beams 70, a pair of oblique beams 30, a pair of front end cross beams 40, and a front end draft beam 20.
It should be noted that the direction from front to back (i.e., from the vehicle head to the back) of the rail vehicle is the "front" and "back" directions described in the force transmission structure of the crawler according to the present embodiment, the longitudinal direction of the rail vehicle is the "longitudinal direction", and the width direction of the rail vehicle is the "lateral direction".
As shown in fig. 1, in particular, two ends of the front side of the bumper beam 10 are respectively provided with an anti-creeper mounting seat 12, the anti-creeper is mounted on the anti-creeper mounting seat 12, and the upper end of the bumper beam 10 is respectively provided with an end door pillar mounting part 13 at one side of the anti-creeper mounting seat 12 close to the central axis of the bumper beam 10, for mounting an end door pillar 80 (shown in fig. 5).
A pair of side members 70 are respectively coupled to both ends of the bumper beam 10, in other words, the bumper beam 10 is installed between the pair of side members 70 to form a frame structure.
The front end draft sill 20 includes a pair of front end draft sill bodies 21, and the rear end of a pair of front end draft sill bodies 21 all is connected to the coupling mount pad 60, and the coupling mount pad 60 is used for installing the coupler, and the coupling is located between a pair of front end draft sill bodies 21, and a pair of front end draft sill bodies 21 inclines respectively to extend, is the angle setting between a pair of front end draft sill bodies 21 promptly, and both incline respectively and are connected to the rear side of bumper beam 10 and correspond end door column installation portion 13 department.
The rear end of each of the pair of oblique members 30 is connected to the side member 70, and the front end of each oblique member 30 is connected to the rear side of the bumper beam 10 and corresponds to the anticreeper attachment 12.
The pair of front end cross beams 40 are respectively arranged at the two transverse sides of the coupler mounting seat 60, the rear end of each front end draft sill body 21 and the rear end of each inclined beam 30 are connected to the front end cross beam 40 at the side where the front end draft sill body 21, the inclined beams 30 and the front end cross beam 40 form a triangular force transmission structure. By using the mounting seat 12 of the anti-creeper as the vertex of the triangular force transmission structure and forming a stable triangular force transmission structure, the compressive load of the anti-creeper can be quickly transmitted to the traction beam and the boundary beam 70, and local stress concentration at the floor at the rear end of the anti-creeper cannot be generated.
In order to facilitate the quick and stable connection of the front end draft sill body 21 and the cant beam 30 to the draft sill 10, referring to fig. 3, in conjunction with fig. 1, according to one embodiment of the present invention, the rear both ends of the bumper beam 10 are respectively configured with mounting grooves 11, the openings of the mounting grooves 11 are directed toward the front end beam 40, the end door pillar mounting part 13 is located on the upper side of the mounting groove 11, the front end of the front end draft sill body 21 is inserted into the mounting groove 11 and abuts against the lower side of the end door pillar mounting part 13, the height of the front end draft sill body 21 matches the height of the mounting groove 11, so that after the front end draft sill body 21 is inserted into the mounting groove 11, the upper and lower side surfaces of the front end draft sill body 21 are respectively attached to the upper and lower side walls in the mounting groove 11, the front end of the front end drag beam body 21 may be fixedly coupled to the bumper beam 10 by welding the upper and lower sides of the front end drag beam body 21 to the upper and lower sidewalls in the installation groove 11.
In the embodiment, the front end draft sill body 21 is connected to the end door pillar mounting part 13, so that the end door pillar 80, the front end draft sill 20 and the inclined beam 30 form a stable frame structure to jointly bear the compression and tension loads of the coupler, and the bearing capacity of the end underframe is improved.
Specifically, the end door pillar mounting part 13 may be formed by thickening a side wall for the upper side wall of the installation groove 11, or may be a reinforcing plate additionally provided on the upper side wall of the installation groove 11.
According to an embodiment of the present invention, the anticreeper mounting seat 12 is formed outside the bottom wall of the mounting groove 11, and it should be noted that the side wall opposite to the opening of the open groove is the bottom wall. As shown in fig. 3, the bottom wall of the installation groove 11 is configured with a plurality of connection holes 11-1 penetrating the anticreeper mount 12 and guide holes 11-2 located between the plurality of connection holes 11-1, the anticreeper mount 12 may be a mount plate integrally formed at the outside of the bottom wall of the installation groove 11, and the anticreeper is mounted on the anticreeper mount 12, that is, the bumper beam 10, through the connection holes 11-1 by the connecting member.
As shown in fig. 3, the guide hole 11-2 of the present embodiment may be in an i-shape, and when the anti-creeper is pressed to be collapsed backwards, the guide mechanism of the anti-creeper is retracted into the installation groove 11 along the guide hole 11-2.
Specifically, the front end of the oblique beam 30 is inserted into the installation groove 11 and located on one side of the installation groove 11 close to the boundary beam 70, and the height of the front end of the oblique beam 30 is matched with the height in the installation groove 11, so that after the oblique beam 30 is inserted into the installation groove 11, the upper and lower side surfaces of the oblique beam 30 are both attached to the upper and lower side walls in the installation groove 11, and the front end of the oblique beam 30 can be fixedly connected with the bumper beam 10 by welding the upper and lower side surfaces of the oblique beam 30 to the upper and lower side walls in the installation groove 11.
According to an embodiment of the present invention, one side of the pair of side beams 70 opposite to each other is respectively configured with an open slot with an opening facing each other, that is, the open slot faces the center line direction of the bumper beam 10, two ends of the bumper beam 10 are inserted into the open slot, specifically, the height of the installation slot 11 for being inserted into the open slot is matched with the height of the open slot and is smaller than the height of other parts of the installation slot 11, it can be understood that the installation slot 11 comprises two sections of slot bodies, one section of slot body is used for installing the front end traction beam body 21 and the oblique beam 30, the height of the slot body is relatively higher, the slot body at the other end is used for being inserted into the open slot, due to the height limitation of the side beam 70, the height of the open slot is relatively lower, the slot bodies matched and connected with the open slot are.
Specifically, the rear end of the oblique beam 30 is inserted into the open slot, and in order to facilitate the connection between the rear end of the oblique beam 30 and the front end cross beam 40, the rear end of the oblique beam 30 may be partially located in the open slot, and a part of the rear end is exposed out of the open slot, so as to facilitate the connection with the front end cross beam 40.
As shown in fig. 2, in a specific embodiment, the inclined beam 30 includes a vertical plate 31 and a horizontal plate 32 bent and extended from the upper side and the lower side of the vertical plate 31 to the same side, and a structure with a U-shaped cross section is formed, where the vertical plate 31 gradually increases in width from one end to the other end, so as to adapt to that two ends of the inclined beam 30 are respectively installed in the open slots of the boundary beams 70 with different heights and the installation slots 11 of the bumper beam 10, in this embodiment, the height of the installation slot 11 is greater than that of the open slots, adaptively, the large end of the vertical plate 31 of this embodiment is installed in the installation slot 11, and the upper side and the lower side of the large end abut against the upper side wall and the lower side wall of the installation slot 11, the small end of the vertical plate 31 is installed in the open slot, and the upper. The two ends of the transverse plate 32 on the side away from the vertical plate 31 are respectively configured as an inward concave arc-shaped surface, in other words, a side contour line of the transverse plate 32 on the side away from the vertical plate 31 has a straight line segment and an arc line segment located at the two ends of the straight line segment and connected with the straight line segment in a smooth transition manner. The concave arc surfaces are respectively arranged at the two ends of the transverse plate 32, so that the joint of the inclined plate and the front end cross beam 40 avoids stress concentration.
According to one embodiment of the invention, gaps are reserved between two ends of the transverse plate 32 and the vertical plate 31, so that notches 33 are formed at two ends of the transverse plate 32 and the vertical plate 31, the two ends of the transverse plate 32 can be adjusted at the gaps, and in order to enable the two ends of the transverse plate 32 to be better attached to the upper side wall and the lower side wall of the mounting groove 11 and the open groove, the end portions of the transverse beam are formed into free ends through the notches 33, and can be bent up and down to form cambered surfaces so as to adapt to the surface shapes in the mounting groove 11 and the open groove.
As shown in fig. 1, according to an embodiment of the present invention, one end of the front end beam 40 is connected to the rear end side wall of the front end draft sill body 21, the other end of the front end beam 40 is inserted into the open slot, the two lateral plates 32 of the inclined beam 30 are overlapped on the upper and lower surfaces of the front end beam 40 and welded at the overlapped portion, so that the two lateral plates 32 of the inclined beam 30 are fixedly connected with the upper and lower surfaces of the front end beam 40, and further the inclined beam 30 is fixedly connected with the front end beam 40.
Referring to fig. 1 again, in addition, two ends of one side of the front end cross beam 40, which faces away from the oblique beam 30, are respectively configured as concave arc surfaces, so that stress concentration at the connection part of the front end cross beam 40 and the front end draft sill body 21 and the connection part of the front end cross beam 40 and the edge beam 70 is avoided.
As shown in fig. 4, according to an embodiment of the present invention, the front end draft sill body 21 is shaped like a fish belly, that is, the cross section of the front end draft sill body 21 is a variable cross section, the height of one section of the front end draft sill body 21 is greater than that of the other section, and the connection between the two sections is a fish belly-shaped transition arc surface, which is also called as a handle of the front end draft sill 20. In addition, the upper surface of the front end draft sill body 21 is a flat surface, and the lower surface thereof is a fish belly shape.
As shown in fig. 4, each front end draft sill body 21 includes an L-shaped web 22, a cover plate 24 and a reinforcing rib plate 23 connected between a horizontal section of the L-shaped web 22 and the cover plate 24, the L-shaped web 22 includes a vertical section and a horizontal section connected perpendicularly to the vertical section, and the vertical section and the horizontal section are integrally formed by bending, and a transition arc surface is formed at the bending part, so as to avoid stress concentration, the cover plate 24 covers the side of the L-shaped web 22 far away from the horizontal section, and the cover plate 24 and the horizontal section are arranged relatively, the reinforcing rib plate 23 and the vertical section are arranged in parallel, and the reinforcing rib plate 23 is supported between the cover plate 24 and the horizontal section. During actual installation, the reinforcing rib plate 23 is fixed on the horizontal section of the L-shaped web plate 22, so that the reinforcing rib plate 23 is parallel to the vertical section, and then the cover plate 24 is fixed on the reinforcing rib plate 23 and the vertical section to form the front end draft sill body 21.
Referring to fig. 4 again, the cover plate 24 of the present embodiment may include multiple segments, for example, three segments, one segment is covered on the large segment of the L-shaped web 22, the other segment is covered on the small segment of the L-shaped web 22, the third segment is covered on the fish belly segment of the L-shaped web 22, and the shape of the third segment adapts to the shape change of the fish belly segment, because the end chassis bears a larger longitudinal compression load from the coupler, the stress at the handle (i.e., the fish belly segment) of the front end towing beam 20 is too high, the thickness of the third segment cover plate 24 covered on the fish belly segment may be individually thickened in the present embodiment, so as to enhance the strength at the handle, avoid thickening the overall thickness of the front end towing beam 20, and achieve weight reduction.
Referring to fig. 4 again, further, each front end draft sill body 21 is provided with an opening 25 penetrating through the vertical section of the L-shaped web 22 and the reinforcing rib plate 23, and sealing plates 26 are arranged around the opening 25, the sealing plates 26 can be welded at the opening 25, buckling of the draft sill web under stress can be prevented by the arrangement of the opening 25, weight reduction is achieved, and the requirement for under-vehicle routing is met.
In a second aspect, an embodiment of the present invention further provides an end underframe, which includes an anti-creeper force transmission structure, in order to enhance the strength of the end underframe, an auxiliary cross beam 50 is further disposed between the bumper beam 10 and the front end cross beam 40, in order to facilitate the arrangement of the auxiliary cross beam 50, the auxiliary cross beam 50 may include three sections, each of the two sections of the auxiliary cross beam 50 is respectively connected between the oblique beam 30 and the front end draft sill body 21, and the middle section of the auxiliary cross beam 50 is connected between the pair of front end draft sill bodies 21. The end underframe of the embodiment has all the advantages of the force transmission structure of the anti-creeper due to the arrangement of the force transmission structure of the anti-creeper, and the description is omitted.
In a third aspect, as shown in fig. 5 and in combination with fig. 1, the embodiment of the present invention further provides a rail vehicle, which includes a pair of end door pillars 80 and a force transmission structure or an end underframe of an anti-creeper, where the pair of end door pillars 80 are mounted on the end door pillar mounting portion 13 of the bumper beam 10, and the end door pillars 80, the front end draft sill 20 and the oblique beam 30 form a stable frame structure to jointly bear the compression and tension loads of the coupler, so as to improve the bearing capacity of the end underframe. The rail vehicle of this embodiment has all the advantages of the force-transmitting structure of the anti-creeper or the end chassis and will not be described in detail herein.
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 (10)
1. An anti-creeper force transfer structure, comprising:
the door structure comprises a bumper beam, wherein two ends of the front side of the bumper beam are respectively provided with an anti-creeper mounting seat, and the upper end of the bumper beam is respectively provided with an end door upright mounting part at one side of the anti-creeper mounting seat, which is close to the central axis of the bumper beam, and is used for mounting an end door upright;
the pair of edge beams are respectively connected to two ends of the buffer beam;
the front end traction beam comprises a pair of front end traction beam bodies, the rear ends of the front end traction beam bodies are connected to the coupler mounting seat, and the front end traction beam bodies are respectively connected to the rear side of the buffer beam in an inclined mode and correspond to the end door upright mounting part;
the rear end of each oblique beam is connected to the edge beam, and the front end of each oblique beam is connected to the rear side of the buffer beam and corresponds to the mounting seat of the anti-creeper;
the pair of front end cross beams are respectively arranged on the two transverse sides of the coupler mounting seat, the rear end of each front end traction beam body and the rear end of each inclined beam are connected to the front end cross beam on the side where the front end traction beam body and the inclined beams and the front end cross beams form a triangular force transmission structure.
2. The structure of claim 1, where mounting grooves are formed at each of the two ends of the rear side of the bumper beam, the mounting grooves open toward the front end cross beam, the end door column mounting part is located on the upper side of the mounting groove, and the front end of the front end draft sill body is inserted into the mounting groove and attached to the lower side of the end door column mounting part.
3. The structure of claim 2, wherein the mounting seat is formed outside the bottom wall of the mounting groove, the bottom wall of the mounting groove being configured with a plurality of connecting holes that pass through the mounting seat and a guide hole between the plurality of connecting holes;
the front end of the oblique beam is inserted in the mounting groove and is positioned on one side of the mounting groove close to the boundary beam.
4. The structure of claim 2, wherein an open slot with an opening facing each other is formed at each of opposite sides of the pair of side beams, two ends of the bumper beam are inserted into the open slots, the height of the installation slot for insertion in the open slot is matched with the height of the open slot and is smaller than the height of other parts of the installation slot, and the rear end of the oblique beam is inserted in the open slot.
5. The force transmission structure of the climbing preventer according to claim 4, wherein the oblique beam comprises a vertical plate and a transverse plate extending from the upper side and the lower side of the vertical plate to the same side in a bending manner, the width of the vertical plate is gradually increased from one end to the other end, and the two ends of the transverse plate at one side far away from the vertical plate are respectively constructed into an inwards concave arc-shaped surface.
6. The climbing arrester force transmission structure of claim 5, wherein a gap is left between the ends of the cross plate and the riser, the ends of the cross plate being adjustable at the gap.
7. The structure of claim 5 where one end of the front cross member is connected to the rear side wall of the front draft sill body and the other end of the front cross member is inserted into the opening slot, two side cross plates of the cant beam overlap the upper and lower surfaces of the front cross member, and two ends of one side of the front cross member away from the cant beam are respectively configured as an inwardly concave arc.
8. The anti-creeper force transmission structure according to any one of claims 1 to 7, wherein each front end draft sill body comprises an L-shaped web, a cover plate and a reinforcing rib plate connected between a horizontal section of the L-shaped web and the cover plate, each front end draft sill body is provided with an opening penetrating through a vertical section of the L-shaped web and the reinforcing rib plate, and sealing plates are arranged around the opening.
9. An end underframe, comprising the force transmission structure of the climbing preventer according to any one of claims 1 to 8, wherein an auxiliary cross beam is further arranged between the bumper beam and the front end cross beam, the auxiliary cross beam comprises three sections, each section of the auxiliary cross beam on two sides is respectively connected between the oblique beam and the front end traction beam body, and the auxiliary cross beam in the middle section is connected between a pair of the front end traction beam bodies.
10. A rail vehicle comprising a pair of end door uprights, further comprising an anti-creeper force transmission structure according to any one of claims 1 to 8 or an end chassis according to claim 9, a pair of the end door uprights being mounted on the end door upright mounting portions of the bumper beam.
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| CN112026831B (en) | 2022-02-15 |
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