CN217294702U

CN217294702U - Transitional connection structure at gooseneck part of carriage bottom plate

Info

Publication number: CN217294702U
Application number: CN202123321054.2U
Authority: CN
Inventors: 徐群峰; 钟毅; 张国强; 邹兵忠; 何俊
Original assignee: Jiangxi Riling Automobile Co ltd
Current assignee: Jiangxi Riling Automobile Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-26
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a transitional connection structure of a gooseneck part of a carriage bottom plate, which comprises a front side beam, a middle side beam, a rear side beam, a front side beam guard plate, a middle side beam guard plate, a rear side beam guard plate and corner connectors; the front edge beam, the middle edge beam and the rear edge beam are respectively provided with a buckling mortise, a first connecting cavity, a first bottom plate connecting part and a second bottom plate connecting part; the front side beam guard plate, the middle side beam guard plate and the rear side beam guard plate are respectively provided with buckling parts, and the buckling parts can be buckled into corresponding buckling mortises. The two sides of the gooseneck part of the carriage bottom plate are mainly formed by combining a front edge beam, a middle edge beam and a rear edge beam, the gooseneck part is split into an upper section, a middle section and a lower section by adopting an aluminum alloy section Z-shaped structure for splicing, a guard plate section is additionally arranged on the outer surface, and the inner cavity of the section is reinforced by using an angle code. Because the gooseneck adopts the aluminum alloy Z type structure can be fine alleviate the stress concentration of vehicle in the driving in-process gooseneck department, extension carriage life.

Description

Transitional connection structure at gooseneck part of carriage bottom plate

Technical Field

The utility model relates to a, especially, relate to a transitional coupling structure at carriage bottom plate gooseneck position

Background

At present traditional boxcar mainly is the steel carriage, and the gooseneck position in its steel carriage mainly forms through steel sheet welding, because of the deformation problem of technology itself during the welding, can make carriage gooseneck department welding unstable, influences the intensity in long-time back carriage of using. And the steel carriage has large mass, consumes more energy in the using process, and is not beneficial to energy conservation and emission reduction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current carriage gooseneck position stress concentration, the technical problem who warp easily provides a transitional coupling structure at carriage bottom plate gooseneck position, can alleviate the vehicle in the stress concentration of the in-process gooseneck department of traveling, extension carriage life.

In order to solve the technical problem, the utility model provides a transitional connection structure of a gooseneck part of a carriage bottom plate, which comprises a front side beam, a middle side beam, a rear side beam, a front side beam guard plate, a middle side beam guard plate, a rear side beam guard plate and corner connectors; the front edge beam, the middle edge beam and the rear edge beam are respectively provided with a buckling mortise, a first connecting cavity, a first bottom plate connecting part and a second bottom plate connecting part; the front side beam guard plate, the middle side beam guard plate and the rear side beam guard plate are respectively provided with a buckling part, and the buckling parts can be buckled into corresponding buckling mortises; the front edge beam is lower than the rear edge beam, and the middle edge beam is longitudinally arranged; the corner connectors are clamped in the first connecting cavities, and the corresponding front edge beam and the middle edge beam or the corresponding rear edge beam and the middle edge beam are connected.

As an improvement of the scheme, a second connecting cavity is formed above the buckling mortise.

As an improvement of the scheme, the connecting ends of the front edge beam, the middle edge beam and the rear edge beam form a 45-degree bevel opening.

As an improvement of the scheme, the corner connector is provided with a connecting plate surface, and a riveting hole is formed in the connecting plate surface.

As an improvement of the scheme, the connecting plate surface is also connected with a reinforcing rib.

As an improvement of the scheme, a guard plate connecting surface is formed on the outer side of the second connecting cavity, and a riveting hole is formed in the guard plate connecting surface.

As an improvement of the scheme, riveting holes are also formed in the connecting surfaces of the front edge beam guard plate, the middle edge beam guard plate and the rear edge beam guard plate corresponding to the guard plates.

As the improvement of the scheme, the first bottom plate connecting part and the second bottom plate connecting part are perpendicular to the front edge beam, the middle edge beam or the rear edge beam where the first bottom plate connecting part and the second bottom plate connecting part are arranged, and riveting holes are formed in the first bottom plate connecting part and the second bottom plate connecting part.

As an improvement of the scheme, the arc-shaped avoiding plate is arranged on the inner side of the buckling mortise, and the arc-shaped avoiding plate forms the bottom surface of the second connecting cavity.

Implement the utility model discloses, following beneficial effect has:

by adopting the scheme, the two sides of the gooseneck part of the carriage bottom plate are mainly formed by combining the front edge beam, the middle edge beam and the rear edge beam, the gooseneck part is split into an upper section, a middle section and a lower section by adopting an aluminum alloy section Z-shaped structure to be spliced, the outer surface is additionally provided with the guard plate section, and the inner cavity of the section is reinforced by using an angle code. Because the gooseneck adopts the aluminum alloy Z type structure, the stress concentration of the gooseneck of the vehicle in the driving process can be well relieved, and the service life of the carriage is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a carriage provided by the present invention;

FIG. 2 is a schematic cross-sectional view of a transition connection structure of a gooseneck portion of a platform floor according to the present invention;

FIG. 3 is a schematic view of the connection state of the middle side beam and the corner brace of the present invention;

fig. 4 is a structural schematic diagram of a rear side view angle of the transition connection structure of the gooseneck portion of the platform floor according to the present invention;

fig. 5 is a schematic diagram of a right side view angle of a transitional connection structure at a gooseneck portion of a platform floor according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Fig. 1 is a schematic view of an aluminum car according to the present application, in which the portion a is a transition connection structure at a bottom plate gooseneck portion. With reference to fig. 2 and 3, the utility model provides a transitional connection structure of a gooseneck part of a platform floor, which comprises a front side beam 1, a middle side beam 2, a rear side beam 3, a front side beam guard plate 4, a middle side beam guard plate 5, a rear side beam guard plate 6 and corner connectors (7a, 7 b); the front edge beam 1, the middle edge beam 2 and the rear edge beam 3 are respectively provided with a buckling mortise 8, a first connecting cavity 9, a first bottom plate connecting part 10 and a second bottom plate connecting part 11; the front edge beam guard plate 4, the middle edge beam guard plate 5 and the rear edge beam guard plate 6 are all provided with buckling parts 12, and the buckling parts 12 can be buckled into corresponding buckling mortises 8; the front edge beam 1 is lower than the rear edge beam 3, and the middle edge beam 2 is longitudinally arranged; the corner connectors (7a, 7b) are clamped into the first connecting cavities 9, and the corresponding front edge beam 1 and the middle edge beam 2 or the rear edge beam 3 and the middle edge beam 2 are connected.

By adopting the scheme, two sides of the gooseneck part of the carriage bottom plate are mainly formed by combining the front edge beam 1, the middle edge beam 2 and the rear edge beam 3, the gooseneck part is split into an upper section, a middle section and a lower section by adopting an aluminum alloy section Z-shaped structure to be spliced, a guard plate section is additionally arranged on the outer surface, and the inner cavity of the section is reinforced by corner connectors (7a and 7 b). Because the gooseneck adopts the aluminum alloy Z type structure, the stress concentration of the gooseneck of the vehicle in the driving process can be well relieved, and the service life of the carriage is prolonged.

Preferably, the connection positions of all parts of the carriage are coated with structural adhesive, the structural adhesive can be Sikaflex-221, and the structural adhesive can play a role in sealing and shock absorption by coating.

Wherein, the connecting ends of the front edge beam 1, the middle edge beam 2 and the rear edge beam 3 form an inclined opening of 45 degrees. Stress can be further dispersed by the inclined plane splicing mode.

Preferably, a second connecting cavity 13 is formed above the buckling mortise 8. The second connecting cavity 13 can be filled with a second corner brace 7b, and the front edge beam 1, the middle edge beam 2 or the rear edge beam 3 are connected through two corner braces (7a, 7b) which are separated by a certain distance, so that the connection is more stable and the torsion resistance is good. In order to reliably fix the corner connectors (7a, 7b) with the front edge beam 1, the middle edge beam 2 and the rear edge beam 3, the corner connectors (7a, 7b) are provided with connecting plate surfaces 14, riveting holes 15a are formed in the connecting plate surfaces 14, and the corner connectors (7a, 7b) can be fixed with the corresponding front edge beam 1, the middle edge beam 2 and the rear edge beam 3 through rivets and the riveting holes 15 a. In order to strengthen the strength of the corner connectors (7a, 7b) and not influence the arrangement of the riveting holes 15a on the corner connectors (7a, 7b), the connecting plate surface 14 is also connected with a reinforcing rib 16.

Preferably, a guard plate connecting surface 17 is formed outside the second connecting cavity 13, and a riveting hole 15b is formed in the guard plate connecting surface 17. Riveting holes are also formed in the positions, corresponding to the guard plate connecting surface 17, of the front edge beam guard plate 4, the middle edge beam guard plate 5 and the rear edge beam guard plate 6. After the front edge beam guard plate 4, the middle edge beam guard plate 5 or the rear edge beam guard plate 6 are connected with the corresponding front edge beam 1, the middle edge beam 2 or the rear edge beam 3 through the buckling parts 12, the inner walls of the front edge beam guard plate, the middle edge beam or the rear edge beam are abutted against the corresponding guard plate connecting surfaces 17 and then are fixed through the rivet matched riveting holes 15b, the assembling difficulty is reduced, and the assembling precision is improved.

Referring to fig. 4, in order to ensure that the front side frame 1, the middle side frame 2, and the rear side frame 3 are quickly and firmly connected to the corresponding bottom plates, the first bottom plate connection part 10 and the second bottom plate connection part 11 are perpendicular to the front side frame 1, the middle side frame 2, or the rear side frame 3, and the first bottom plate connection part 10 and the second bottom plate connection part 11 are provided with riveting holes 15 c. Both sides of the base plate are fitted with the first base plate connection part 10 or the second base plate connection part 11 and then fixed by rivets.

Referring to fig. 5, enough space must be reserved inside the fastening tongue-and-groove 8 to directly mount the corresponding guard plate on the front surface, and therefore, an arc-shaped avoiding plate surface 18 is arranged inside the fastening tongue-and-groove 8. The bottom surface of the second connecting cavity 13 can be formed by utilizing the concave radian formed by the arc-shaped avoiding plate surface 18 and matching with the connecting plate above the concave radian.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims

1. A transitional connection structure at a gooseneck part of a carriage bottom plate is characterized by comprising a front edge beam, a middle edge beam, a rear edge beam, a front edge beam guard plate, a middle edge beam guard plate, a rear edge beam guard plate and corner connectors; the front edge beam, the middle edge beam and the rear edge beam are respectively provided with a buckling mortise, a first connecting cavity, a first bottom plate connecting part and a second bottom plate connecting part; the front side beam guard plate, the middle side beam guard plate and the rear side beam guard plate are respectively provided with a buckling part, and the buckling parts can be buckled into corresponding buckling mortises; the front edge beam is lower than the rear edge beam, and the middle edge beam is longitudinally arranged; the corner connectors are clamped in the first connecting cavities, and the corresponding front edge beam and the middle edge beam or the corresponding rear edge beam and the middle edge beam are connected.

2. The gooseneck portion transition of a subfloor according to claim 1, wherein a second connection cavity is formed above the buckle groove.

3. The gooseneck transition connection of claim 1, wherein the connection ends of the front, center and rear side rails define a 45 degree miter.

4. The transition connection structure for a gooseneck portion of a floor of a vehicle compartment of claim 1, wherein the corner bracket has a connection plate surface, and wherein the connection plate surface is provided with a riveting hole.

5. The gooseneck transition joint of a bed of claim 4, wherein the joint plate is further provided with ribs.

6. The transitional coupling structure of the gooseneck portion of the floor of a vehicle compartment of claim 2, wherein the second connection chamber is formed with a fender attachment surface on an outer side thereof, and wherein the fender attachment surface is provided with a rivet hole.

7. The gooseneck junction of a subfloor according to claim 6, wherein the front, middle and rear side rail fenders have a riveting hole at the junction surface thereof.

8. The gooseneck transition connection of a subfloor of claim 1, wherein the first floor connection and the second floor connection are perpendicular to the front, center, or rear side rails, and wherein the first floor connection and the second floor connection are provided with staking holes.

9. The gooseneck portion transitional coupling of a bed floor of claim 2, wherein an arcuate escape panel is provided inside the tongue-and-groove, the arcuate escape panel forming a bottom surface of the second connection cavity.