CN111976769B - Locomotive underframe structure and locomotive with same - Google Patents
Locomotive underframe structure and locomotive with same Download PDFInfo
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- CN111976769B CN111976769B CN202010841591.0A CN202010841591A CN111976769B CN 111976769 B CN111976769 B CN 111976769B CN 202010841591 A CN202010841591 A CN 202010841591A CN 111976769 B CN111976769 B CN 111976769B
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- locomotive
- underframe structure
- support
- positioning
- bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- 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
Abstract
The invention relates to the technical field of locomotives and provides a locomotive underframe structure and a locomotive with the same. The locomotive underframe structure comprises an edge beam, a longitudinal beam, a positioning part, a fastening part and a bracket, wherein the bracket is connected to the edge beam and the longitudinal beam and is positioned above the edge beam and the longitudinal beam; wherein, one of the side beam and the longitudinal beam is provided with a positioning part, the other is provided with a fastening part, and/or the bracket is provided with the positioning part and the fastening part at intervals. According to the installation requirements of the locomotive equipment, the locomotive equipment can be directly installed on the boundary beam and the longitudinal beam through the positioning portion and the fastening portion, or the locomotive equipment is installed on the support arranged on the boundary beam and the longitudinal beam through the positioning portion and the fastening portion, namely the locomotive equipment is indirectly installed on the boundary beam and the longitudinal beam, namely the installation requirements of different locomotive equipment can be met through the arrangement of the positioning portion, the fastening portion and the support.
Description
Technical Field
The invention relates to the technical field of locomotives, in particular to a locomotive underframe structure and a locomotive with the same.
Background
Based on the structural form of the existing locomotive, the design method of the installation framework of the internal equipment of the locomotive is basically divided into two design ideas:
one is to adapt to the no centre sill chassis structure: the design idea is that independent equipment installation frameworks are welded on the underframe respectively aiming at different equipment installation interfaces, and the installation framework has the advantage of meeting the special requirements of the installation interfaces of different equipment. The defect is that the equipment installation framework has better rigidity and strength and more complex structure.
The other is suitable for a center sill underframe structure (divided into a single center sill type underframe and a double center sill type underframe): the underframe of such locomotives is generally provided with a continuous, or mostly continuous, center sill structure, and the equipment mounting frame is supported by the center sill or a steel floor welded to the center sill, thereby providing the possibility of modular mounting frame design, which is an advantage. The disadvantage is that it must rely on the presence of beams in the underframe, and such modular installation cannot be achieved if the equipment installation surfaces differ in height.
Disclosure of Invention
The invention provides a locomotive underframe structure and a locomotive with the same, so as to meet the installation requirements of different locomotive equipment.
According to a first aspect of the present invention, there is provided a locomotive underframe structure comprising side sills and longitudinal sills, the locomotive underframe structure further comprising:
a positioning part;
a fastening section;
the bracket is connected to the side beam and the longitudinal beam and is positioned above the side beam and the longitudinal beam;
wherein, one of the side beam and the longitudinal beam is provided with a positioning part, the other is provided with a fastening part, and/or the bracket is provided with the positioning part and the fastening part at intervals.
In one embodiment of the present invention, the positioning portion is a positioning pin, and the fastening portion is a nut, a bolt, or a threaded hole.
In one embodiment of the invention, the bracket comprises a first connecting surface and a second connecting surface, and the first connecting surface and the second connecting surface are respectively attached to the side beam and the longitudinal beam;
one of the vertical projections of the positioning part and the fastening part arranged on the bracket is positioned on the first connecting surface, and the other vertical projection of the positioning part and the fastening part is positioned on the second connecting surface.
In one embodiment of the invention, the bracket is a mounting plate, and a through hole is arranged in the middle of the mounting plate.
In one embodiment of the invention, a stent comprises:
the first connecting beams are arranged in pairs, and two ends of each first connecting beam are respectively connected with the side beam and the longitudinal beam;
two ends of the second connecting beam are respectively connected with the two first connecting beams and are connected to one end of each first connecting beam close to the edge beam;
wherein, location portion and fastening portion set up on first tie-beam.
In one embodiment of the invention, the first connecting beam and the second connecting beam are both bending plates, and two ends of the second connecting beam are respectively inserted into the installation space formed by the two first connecting beams;
wherein, the one end that the second tie-beam is kept away from to first tie-beam is provided with first gusset.
In one embodiment of the present invention, the locomotive underframe structure further comprises:
the floor is connected to one side of the boundary beam and the longitudinal beam far away from the first connecting beam, a bottom plate is arranged on the first connecting beam, and the bottom plate is in contact with the floor.
In one embodiment of the invention, a stent comprises:
the first support is connected to the edge beam;
the second support is connected to the longitudinal beam, and the first support and the second support are independently arranged;
wherein, one of the positioning part and the fastening part is arranged on the first support, and the other is arranged on the second support.
In one embodiment of the present invention, the locomotive underframe structure further comprises:
the two ends of the cross beam are respectively connected with the edge beam and the longitudinal beam, the cross beam is positioned between the edge beam and the longitudinal beam, and the upper surface of the cross beam is flush with the upper surfaces of the edge beam and the longitudinal beam;
wherein, be provided with at least one in location portion and the fastening portion on the crossbeam, and the crossbeam is a plurality of.
According to a second aspect of the present invention, there is provided a locomotive comprising the above-described locomotive underframe structure and locomotive equipment connected with the positioning portion and the fastening portion of the locomotive underframe structure.
The locomotive underframe structure can stably mount locomotive equipment on the locomotive underframe structure through the positioning part and the fastening part. In the specific installation process, according to the installation requirements of the locomotive equipment, the locomotive equipment can be directly installed on the boundary beam and the longitudinal beam through the positioning portion and the fastening portion, or the locomotive equipment is installed on the support arranged on the boundary beam and the longitudinal beam through the positioning portion and the fastening portion, namely the locomotive equipment is indirectly installed on the boundary beam and the longitudinal beam, namely the installation requirements of different locomotive equipment can be adapted through the arrangement of the positioning portion, the fastening portion and the support.
Drawings
Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
fig. 1 is a partial schematic structural view of a locomotive underframe structure according to a first exemplary embodiment;
FIG. 2 is a schematic illustration of a locating portion of a locomotive underframe structure according to an exemplary embodiment;
FIG. 3 is a schematic structural view of a fastening portion of a locomotive underframe structure according to an exemplary embodiment;
FIG. 4 is a schematic structural view of a cross member of a locomotive underframe structure according to an exemplary embodiment;
FIG. 5 is a schematic structural view of a fastening portion of a locomotive underframe structure according to another exemplary embodiment;
FIG. 6 is a partial structural schematic view of a locomotive underframe structure shown in accordance with a second exemplary embodiment;
FIG. 7 is a schematic structural view of a support of a locomotive underframe structure according to an exemplary embodiment;
fig. 8 is a partial structural schematic view of a locomotive underframe structure according to a third exemplary embodiment;
FIG. 9 is a structural schematic diagram illustrating a support of a locomotive underframe structure according to an exemplary embodiment;
FIG. 10 is a first perspective structural illustration of a first attachment beam of a locomotive underframe structure according to an exemplary embodiment;
FIG. 11 is a structural schematic diagram illustrating a second perspective of a first connecting beam of a locomotive underframe structure in accordance with an exemplary embodiment;
fig. 12 is a partial structural schematic view of a locomotive underframe structure according to a fourth exemplary embodiment;
FIG. 13 is a schematic illustration of a first mount of a locomotive underframe structure according to an exemplary embodiment;
fig. 14 is a schematic structural view of a second mount of a locomotive underframe structure according to an exemplary embodiment.
The reference numerals are explained below:
10. a boundary beam; 20. a stringer; 30. a positioning part; 40. a fastening section; 41. a first support frame; 42. a first nut; 43. a second support frame; 44. a second nut; 50. a support; 51. a through hole; 52. a first connecting beam; 53. a second connecting beam; 54. a first rib plate; 55. a base plate; 56. a first support; 57. a second support; 58. a second rib plate; 60. a floor; 70. a cross member.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are accordingly to be regarded as illustrative in nature and not as restrictive.
In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.
An embodiment of the present invention provides a locomotive underframe structure, referring to fig. 1 to 14, the locomotive underframe structure comprises a side sill 10 and a longitudinal beam 20, and the locomotive underframe structure further comprises: a positioning portion 30; a fastening portion 40; the bracket 50 is connected to the edge beam 10 and the longitudinal beam 20 and is positioned above the edge beam 10 and the longitudinal beam 20; wherein one of the side members 10 and 20 is provided with a positioning portion 30 and the other is provided with a fastening portion 40, and/or the bracket 50 is provided with the positioning portion 30 and the fastening portion 40 at intervals.
The underframe structure of the locomotive according to one embodiment of the invention can stably mount locomotive equipment on the underframe structure of the locomotive through the positioning part 30 and the fastening part 40. In the specific installation process, according to the installation requirements of the locomotive equipment, the locomotive equipment can be directly installed on the side sill 10 and the longitudinal beam 20 through the positioning portion 30 and the fastening portion 40, or the locomotive equipment can be installed on the bracket 50 arranged on the side sill 10 and the longitudinal beam 20 through the positioning portion 30 and the fastening portion 40, that is, the locomotive equipment is indirectly installed on the side sill 10 and the longitudinal beam 20, that is, the installation requirements of different locomotive equipment can be met through the arrangement of the positioning portion 30, the fastening portion 40 and the bracket 50.
It should be noted that the locomotive equipment may be any equipment installed inside the locomotive, and particularly, the locomotive equipment may be a service room equipment, such as an electrical cabinet, and the like, which is not limited herein.
It should be noted that the underframe structure of the locomotive may be a center sill-free underframe structure, i.e., the longitudinal beam 20 is a combination of a plurality of independently disposed longitudinal beams. The locomotive underframe structure may also be a center sill underframe structure, i.e., the side rails 20 are continuous, or a largely continuous center sill structure.
In one embodiment, the bracket 50 may be plural, and each bracket 50 may be provided with a plurality of positioning portions 30 and fastening portions 40, in consideration of the variety of locomotive equipment and the installation requirement. The side member 10 and the side member 20 may be provided with a plurality of positioning portions 30 and fastening portions 40. The positions of the positioning portions 30 and the fastening portions 40 directly disposed on the side members 10 and the side members 20 may be determined according to the installation interface of the locomotive equipment, and are not limited herein. Accordingly, the number and positions of the positioning parts 30 and the fastening parts 40 provided on the bracket 50 are not limited.
In one embodiment, the positioning portion 30 is a positioning pin, and the fastening portion 40 is a nut, a bolt, or a threaded hole. The locating pin can guarantee that locomotive equipment finds the mounted position fast, realizes installing in advance, and nut, bolt or screw hole cooperate with the corresponding structure on the locomotive equipment can realize the fixed to the locomotive equipment.
In one embodiment, as shown in FIG. 1, the locomotive underframe structure further comprises: the two ends of the cross beam 70 are respectively connected with the edge beam 10 and the longitudinal beam 20, the cross beam 70 is positioned between the edge beam 10 and the longitudinal beam 20, and the upper surface of the cross beam 70 is flush with the upper surfaces of the edge beam 10 and the longitudinal beam 20; the cross beam 70 is provided with at least one of the positioning portion 30 and the fastening portion 40, and the number of the cross beams 70 is plural. The cross beam 70 is used for supporting the locomotive equipment, and ensuring a specific and stable base of the locomotive equipment, so that reliable connection of the locomotive equipment is realized.
Specifically, as shown in fig. 1, the edge beam 10 and the longitudinal beam 20 are respectively provided with a positioning portion 30 and a fastening portion 40, the edge beam 10 and the longitudinal beam 20 are connected with a cross beam 70, and the cross beams 70 are arranged in pairs, so that the locomotive can be directly supported on the edge beam 10 and the longitudinal beam 20 through the cross beams 70, the positioning portion 30 and the fastening portion 40, and at this time, the cross beams 70 are selectable members and are selected according to actual requirements. The side members 10 and the longitudinal members 20 may be provided with a plurality of positioning portions 30 and fastening portions 40, the cross member 70 may be provided with the positioning portions 30 and the fastening portions 40 at the same time, or with the positioning portions 30 or the fastening portions 40, and the specific number is not limited.
As shown in fig. 2, the positioning part 30 is a positioning pin. As shown in fig. 3, the fastening portion 40 is a movable nut assembly, the movable nut assembly includes a first support frame 41 and a first nut 42, the first nut 42 is disposed in the first support frame 41, and a protrusion in limit contact with the first support frame 41 is disposed on the first nut 42, so as to prevent the first nut 42 from rotating relative to the first support frame 41, and the first support frame 41 may be connected to at least one of the side sill 10, the side sill 20, the bracket 50, and the cross member 70.
As shown in fig. 4, the cross member 70 is an L-shaped plate, and the cross member 70 is provided with a fastening portion 40. As shown in fig. 5, the fastening portion 40 is a square movable nut group including a second support frame 43 and a second nut 44, the second nut 44 is disposed in the second support frame 43, and the second nut 44 is a square nut, the second nut 44 is not rotatable with respect to the second support frame 43, and the second support frame 43 may be connected to at least one of the side member 10, the longitudinal member 20, the bracket 50, and the cross member 70.
It should be noted that the positioning portion 30, the fastening portion 40 and the cross member 70 shown in fig. 1 can be used for a motorcycle device mounted on a plane of the motorcycle frame structure. Specifically, positioning pins, coupling bolts, nuts, etc. may be disposed on the side members 10, the longitudinal members 20, and the cross members 70 to adapt to the dimensional changes of the locomotive equipment mounting interface in the transverse and longitudinal directions of the locomotive.
Specifically, a movable nut set is provided in the side member 20 to connect the front end of the locomotive equipment, and a positioning pin is provided in the side member 10 to position the rear end of the locomotive equipment. Individual locomotive equipment requires the provision of a cross member 70 to mount a set of locating pins or removable nuts. The cross beam 70 is a bent angle steel, a hole is formed in a proper position of the cross beam 70 for connecting a bolt for mounting equipment, the position of the hole is adjustable, and a movable nut group is welded below the hole to adapt to the size change of the locomotive equipment mounting interface in the transverse direction and the longitudinal direction of the locomotive.
In one embodiment, the bracket 50 includes a first connecting surface and a second connecting surface, which are respectively attached to the side sill 10 and the side member 20; one of the vertical projections of the positioning portion 30 and the fastening portion 40 provided on the bracket 50 is located on the first joint face, and the other is located on the second joint face.
When the positioning portion 30 and the fastening portion 40 are provided on the bracket 50, for example, the positioning portion 30 is located on the side of the bracket 50 close to the side sill 10, and the fastening portion 40 is located on the side of the bracket 50 close to the side member 20, the perpendicular projection of the positioning portion 30 toward the side sill 10 is located on the side sill 10, and the perpendicular projection of the fastening portion 40 toward the side member 20 is located on the side member 20, so that the joint supporting force is provided on the side sill 10 and the side member 20.
In one embodiment, as shown in fig. 6 and 7, the bracket 50 is a mounting plate, and a through hole 51 is provided in the middle of the mounting plate. That is, the mounting surface of the bracket 50 for mounting the locomotive equipment is positioned above the side sill 10 and the side member 20, and the mounting plate is provided with the positioning portion 30 and the fastening portion 40.
As shown in fig. 6, the mounting plate may be used to mount locomotive equipment within 50mm above the upper plane of the locomotive underframe structure. As shown in fig. 7, the mounting plate is a steel plate with a certain thickness, the steel plate is provided with a threaded hole (i.e., the fastening portion 40 is a threaded hole), and a positioning pin (the positioning portion 30 is a positioning pin) is welded, and the thickness of the steel plate, the position of the threaded hole and the position of the positioning pin are determined according to the locomotive equipment mounting interface.
In one embodiment, as shown in fig. 8 and 9, the bracket 50 includes: the first connecting beams 52 are arranged in pairs, and two ends of each first connecting beam 52 are respectively connected with the side beam 10 and the longitudinal beam 20; two ends of the second connecting beam 53 are respectively connected with the two first connecting beams 52, and are connected to one end of the first connecting beam 52 close to the edge beam 10; wherein the positioning part 30 and the fastening part 40 are provided on the first coupling beam 52.
It should be noted that the bracket 50 having the first connection beam 52 and the second connection beam 53 is used for a locomotive equipment whose installation surface is higher than the plane of the locomotive underframe structure by more than 50 mm. The structural strength is better, the great locomotive equipment of mountable quality.
The two first connecting beams 52 and the second connecting beam 53 enclose a U-shaped structure, and the locomotive is arranged and supported on the two first connecting beams 52 and the second connecting beam 53. The first connecting beam 52 and the second connecting beam 53 are divided into a left beam and a right beam, the left beam and the right beam are respectively welded with a positioning pin, the left beam and the right beam are respectively provided with a movable nut group, the left beam and the right beam are the same in height, and the height of the beams, the positioning pins on the beams and the positions of the movable nut groups are determined according to the installation interface of the locomotive equipment.
In one embodiment, as shown in fig. 9 and 10, the first connecting beam 52 and the second connecting beam 53 are both bending plates, and both ends of the second connecting beam 53 are respectively inserted into the installation space formed by the two first connecting beams 52; wherein, the first connecting beam 52 is provided with a first rib plate 54 at the end far away from the second connecting beam 53. The first rib 54 serves to reinforce the structural strength of the first and second connection beams 52 and 53.
In one embodiment, as shown in fig. 8 and 11, the locomotive underframe structure further comprises: the floor 60, the floor 60 is connected to the side of the side sill 10 and the longitudinal beam 20 far away from the first connecting beam 52, the first connecting beam 52 is provided with a bottom plate 55, and the bottom plate 55 is in contact with the floor 60. The base plate 55 is adapted to be supported on the floor 60 by adjusting the size of the base plate 55 to accommodate different heights of the floor 60.
In one embodiment, as shown in fig. 12-14, the bracket 50 includes: a first support 56, wherein the first support 56 is connected to the edge beam 10; the second support 57, the second support 57 is connected to stringer 20, the first support 56 is set up independently with the second support 57; one of the positioning portion 30 and the fastening portion 40 is provided on the first support 56, and the other is provided on the second support 57. The first support 56 and the second support 57 which are independently arranged can reduce the occupied space on the basis of ensuring the installation of locomotive equipment, and can install the locomotive equipment which has smaller mass and has the requirement of installation space below.
It should be noted that the bracket 50 having the first support 56 and the second support 57 is used for locomotive equipment having a mounting surface 50mm or more higher than the upper plane of the locomotive underframe structure. The first support 56 and the second support 57 are independent from each other, and no connecting beam is arranged in the middle, so that support is provided for installation of locomotive equipment, and wiring and piping of the locomotive equipment are not affected in the installation space.
In one embodiment, as shown in fig. 13 and 14, first and second supports 56 and 57 are each L-shaped plates, and bracket 50 further includes: the second rib plates 58 are connected to the first support 56 and the second support 57; the number of the second supports 57 is plural. The arrangement of the second rib plates 58 can ensure the structural strength of the first support 56 and the second support 57, and a plurality of second rib plates 58 can be arranged on the first support 56 and the second support 57.
As shown in fig. 13, the first holder 56 is provided with a positioning pin. As shown in fig. 14, the second support 57 is provided with a movable nut group, and of course, the first support 56 and the second support 57 may be provided with other types of positioning portions 30 and fastening portions 40. The heights of the first support 56 and the second support 57, and the positions of the positioning pins and the movable nut sets arranged on the first support and the second support can be adjusted in the transverse direction and the longitudinal direction of the locomotive to adapt to the installation interface of locomotive equipment.
The locomotive underframe structure of one embodiment of the invention can provide a widely adopted design method and a design structure for reference when carrying out equipment installation framework timing between machines for an electric locomotive with a centre sill type underframe structure and a central corridor arranged between machines, and has greater reference significance especially for locomotive equipment with installation interfaces at the height of an installation surface and various requirements of positioning pins and connecting bolts in the transverse direction and the longitudinal direction.
An embodiment of the present invention also provides a locomotive including the above-mentioned locomotive underframe structure and locomotive equipment connected with the positioning portion 30 and the fastening portion 40 of the locomotive underframe structure.
In one embodiment, the locomotive equipment may be inter-machine equipment, different positioning portions 30 and fastening portions 40 may be selected for different locomotive equipment, and different types of brackets 50 may be selected. Of course, the underframe structure of the locomotive may include a plurality of brackets 50, and the type of the brackets 50 may be selected accordingly according to the actual installation requirements.
In view of the light weight of the car body structure, the modularization of the installation mode of locomotive equipment has become the mainstream trend of the current locomotive design, and the characteristics of the locomotive are as follows: the double-centre-beam type underframe structure and the arrangement mode of the central corridor have various requirements on the height of an equipment installation surface. The locomotive underframe structure of the locomotive comprises a locomotive equipment installation framework structure which can be designed in a modularized mode, modularization of the equipment installation framework in the design structure is achieved, and efficiency of locomotives with similar structures in equipment installation framework timing is greatly improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (8)
1. The utility model provides a locomotive underframe structure, includes boundary beam (10) and longeron (20), its characterized in that, locomotive underframe structure still includes:
a positioning part (30);
a fastening section (40);
the bracket (50) is connected to the side beam (10) and the longitudinal beam (20) and is positioned above the side beam (10) and the longitudinal beam (20);
wherein the positioning part (30) and the fastening part (40) are arranged on the bracket (50) at intervals;
the bracket (50) comprises a first connecting surface and a second connecting surface, and the first connecting surface and the second connecting surface are respectively attached to the side beam (10) and the longitudinal beam (20);
wherein one of the perpendicular projections of the positioning portion (30) and the fastening portion (40) provided on the bracket (50) is located on the first joint face, and the other is located on the second joint face;
the bracket (50) comprises:
the first connecting beams (52) are arranged in pairs, and two ends of each first connecting beam (52) are respectively connected with the edge beam (10) and the longitudinal beam (20);
the two ends of the second connecting beam (53) are respectively connected with the two first connecting beams (52), and the second connecting beam (53) is connected to one end, close to the boundary beam (10), of the first connecting beam (52);
wherein the positioning portion (30) and the fastening portion (40) are provided on the first connecting beam (52).
2. The locomotive underframe structure according to claim 1, wherein the positioning portion (30) is a positioning pin, and the fastening portion (40) is a nut, a bolt or a threaded hole.
3. Locomotive underframe structure according to claim 1 or 2, characterized in that the support (50) is a mounting plate provided with a through hole (51) in its middle.
4. The locomotive underframe structure according to claim 1, wherein the first connecting beam (52) and the second connecting beam (53) are both bending plates, and both ends of the second connecting beam (53) are respectively inserted into the installation spaces formed by the two first connecting beams (52);
wherein, one end of the first connecting beam (52) far away from the second connecting beam (53) is provided with a first rib plate (54).
5. The locomotive underframe structure of claim 1, further comprising:
the floor (60) is connected to one side, far away from the first connecting beam (52), of the side beam (10) and the longitudinal beam (20), a bottom plate (55) is arranged on the first connecting beam (52), and the bottom plate (55) is in contact with the floor (60).
6. Locomotive underframe structure according to claim 1 or 2, characterized in that the bracket (50) comprises:
a first support (56), wherein the first support (56) is connected to the side beam (10);
a second support (57), wherein the second support (57) is connected to the longitudinal beam (20), and the first support (56) and the second support (57) are arranged independently;
wherein one of the positioning portion (30) and the fastening portion (40) is provided on the first pedestal (56), and the other is provided on the second pedestal (57).
7. The locomotive underframe structure of claim 1, further comprising:
the two ends of the cross beam (70) are respectively connected with the edge beam (10) and the longitudinal beam (20), the cross beam (70) is positioned between the edge beam (10) and the longitudinal beam (20), and the upper surface of the cross beam (70) is flush with the upper surfaces of the edge beam (10) and the longitudinal beam (20);
wherein the cross beam (70) is provided with at least one of the positioning part (30) and the fastening part (40), and the cross beam (70) is provided in plurality.
8. A locomotive, characterized by comprising the locomotive underframe structure of any one of claims 1 to 7 and locomotive equipment connected with the positioning portion (30) and the fastening portion (40) of the locomotive underframe structure.
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| CN202010841591.0A CN111976769B (en) | 2020-08-20 | 2020-08-20 | Locomotive underframe structure and locomotive with same |
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| CN202010841591.0A CN111976769B (en) | 2020-08-20 | 2020-08-20 | Locomotive underframe structure and locomotive with same |
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| CN111976769B true CN111976769B (en) | 2021-11-26 |
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