CN214728795U

CN214728795U - End wall

Info

Publication number: CN214728795U
Application number: CN202120268902.9U
Authority: CN
Inventors: 穆文雄; 苏强; 邢松龄; 商旭东; 李充
Original assignee: Beijing Rail Transit Technology And Equipment Group Co ltd
Current assignee: Beijing Rail Transit Technology And Equipment Group Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-16
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses an end wall, including stand, crossbeam, first end wallboard and second end wallboard, the major structure of end wall is constituteed to stand, crossbeam, first end wallboard and second end wallboard, and the inner frame of constituteing the end wall is connected to stand and crossbeam, and first end wallboard and second end wallboard are connected with crossbeam and stand respectively and enclose the periphery of establishing at the inner frame, and stand and crossbeam adopt the section bar preparation, and first end wallboard and second end wallboard adopt the panel preparation. The end wall disclosed by the scheme is of a structure formed by combining the sectional materials and the plates, and adopts a full-sectional-material structure relative to the end wall, so that the number of the sectional materials used by the end wall is reduced, and the weight of the end wall is lightened to a certain extent.

Description

End wall

Technical Field

The utility model relates to a rail transit technical field, in particular to headwall.

Background

The end wall is one of important components of the vehicle body and plays an important role in installing a windshield and connecting a vehicle.

End walls in the prior art are of full-profile structures, so that the number of profiles required by the end walls is large, and the weight of the end walls is heavy.

Therefore, how to reduce the number of the sections used for the end wall and the weight of the end wall becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an end wall to reduce the number of profiles used by the end wall and reduce the weight of the end wall.

In order to achieve the above object, the utility model provides a following technical scheme:

a headwall, comprising:

the upright columns are sectional material upright columns, and the number of the upright columns is two;

the cross beam is a section bar cross beam, and two ends of the cross beam are respectively connected with the upper ends of the two stand columns;

the first end wall plate is positioned above the cross beam and connected with the cross beam;

and the number of the second end wall plates is two, and the second section of wall plate is respectively connected with one side of the two back to back of the stand column.

Preferably, in the headwall, the cross member is connected to the first headwall by friction stir welding.

Preferably, in the headwall, the stud is connected to the second section of wall panel by friction stir welding.

Preferably, in the end wall, the upright post and the cross beam are connected by arc welding or argon arc welding.

Preferably, in above-mentioned headwall, be provided with first reinforcement roof beam on the first end wallboard, the number of first reinforcement roof beam is a plurality of and a plurality of first reinforcement roof beam along the length direction parallel arrangement of first end wallboard, the length extending direction perpendicular to of first reinforcement roof beam the length extending direction of first end wallboard, first reinforcement roof beam with first end wallboard passes through electric arc welding or argon arc welding and connects.

Preferably, in above-mentioned headwall, be provided with the second reinforcing beam on the second end wall board, the number of second reinforcing beam is a plurality of and a plurality of the second reinforcing beam along the length extending direction parallel arrangement of second end wall board, the length extending direction perpendicular to of second reinforcing beam the length extending direction of second end wall board, the second reinforcing beam with second end wall board passes through electric arc welding or argon arc welding and connects.

Preferably, in the end wall, a connecting position of the upright post and the cross beam is connected with a reinforcing fillet through arc welding or argon arc welding.

Preferably, in the end wall, the upright posts and the cross beams are machined and manufactured by using the same section.

According to the above technical scheme, the utility model provides an end wall, including stand, crossbeam, first end wallboard and second end wallboard, the major structure of end wall is constituteed to stand, crossbeam, first end wallboard and second end wallboard, and the inner frame of constituteing the end wall is connected to stand and crossbeam, and the inner frame is the section bar inner frame, and first end wallboard and second end wallboard enclose the periphery of the inner frame of establishing into with crossbeam and stand respectively and are connected, and first end wallboard and second end wallboard adopt the panel preparation. The end wall disclosed by the scheme is of a structure formed by combining the sectional materials and the plates, and adopts a full-sectional-material structure relative to the end wall, so that the number of the sectional materials used by the end wall is reduced, and the weight of the end wall is lightened to a certain extent.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an end wall according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a column according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a cross beam according to an embodiment of the present invention.

Wherein the content of the first and second substances,

1. stand, 2, crossbeam, 3, first end wallboard, 4, second end wallboard, 5, first reinforcement roof beam, 6, second reinforcement roof beam 7, reinforcement fillet.

Detailed Description

The utility model discloses an end wall to reduce the section bar quantity that the end wall used, alleviate the weight of end wall.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3.

The utility model discloses an end wall, including stand 1, crossbeam 2, first end wall board 3 and second end wall board 4.

The headwall has two stands 1, and stand 1 is the section bar stand, and stand 1 is through section bar processing preparation promptly.

The end wall has a cross beam 2, and the cross beam 2 is a profile cross beam, that is, the cross beam 2 is manufactured by profile processing. The both ends of the length direction of crossbeam 2 are connected with the upper end of two stands 1 respectively, and crossbeam 2 forms the inner frame of headwall with two stand 1 combinations.

The first end wall plate 3 is a plate-shaped structure, and the first end wall plate 3 is located above the cross beam 2 and connected with the cross beam 2.

Second end wallboard 4 is platelike structure, and the number of second end wallboard 4 is two, and two second end wallboard 4 are connected with one side that two stands 1 carried on the back mutually respectively.

The end wall disclosed by the scheme comprises a stand column 1, a cross beam 2, a first end wall plate 3 and a second end wall plate 4, wherein the stand column 1, the cross beam 2, the first end wall plate 3 and the second end wall plate 4 form a main body structure of the end wall. The inner frame of constituteing the headwall is connected to stand 1 and crossbeam 2, and the inner frame adopts the section bar preparation, and first end wallboard 3 and second end wallboard 4 enclose the periphery that establishes the inner frame with crossbeam 2 and stand 1 respectively and are connected, and first end wallboard 3 and second end wallboard 4 adopt the panel preparation. The end wall disclosed by the scheme is of a structure formed by combining the sectional materials and the plates, and adopts a full-sectional-material structure relative to the end wall, so that the number of the sectional materials used by the end wall is reduced, and the weight of the end wall is lightened to a certain extent.

First end wallboard 3 and crossbeam 2 be connected and adopt friction stir welding technique to be connected, and is preferred, and first end wallboard 3 and crossbeam 2 be connected and adopt double shaft shoulder friction stir welding technique to be connected. Friction stir welding is welded for argon arc, can reduce welding deformation, guarantees the intensity and the roughness of first end wallboard 3.

The second end wall plate 4 is connected with the upright post 1 by friction stir welding technology, preferably, the second end wall plate 4 is connected with the upright post 1 by double-shaft-shoulder friction stir welding technology. Friction stir welding can reduce welding deformation for argon arc welding, guarantees the intensity and the roughness of second end wallboard 4.

Preferably, the cross beam 2 and the upright post 1 are both provided with friction welding joints.

In addition, the double-shaft-shoulder friction stir welding technology not only improves the welding quality between the upright post 1 and the second end wall plate 4 and between the cross beam 2 and the first end wall plate 3, but also reduces the welding deformation.

In one embodiment of the present solution, the upright 1 and the cross beam 2 are connected by arc welding or argon arc welding.

For the intensity of reinforcing first end panel 3, this scheme is provided with first reinforcement roof beam 5 on first end panel 3.

As shown in fig. 1, the number of the first reinforcing beams 5 is plural, and the plural first reinforcing beams 5 are arranged in parallel along the length direction of the first end wall plate 3. The length extension direction of the first reinforcing beam 5 is perpendicular to the length extension direction of the first end wall plate 3, and is used for enhancing the strength and rigidity of the first end wall plate 3 along the length direction thereof.

In one embodiment of the present solution, the first reinforcing beam 5 and the first end wall plate 3 are connected by arc welding or argon arc welding.

In order to enhance the strength of the second reinforcing beam 6, this solution is provided with a second reinforcing beam 6 on the second end wall plate 4.

As shown in fig. 1, the number of the second reinforcing beams 6 is plural, and the plural second reinforcing beams 6 are arranged in parallel along the length direction of the second end wall plate 4. The length extension direction of the second reinforcing beam 6 is perpendicular to the length extension direction of the second end wall plate 4, and is used for enhancing the strength and rigidity of the second end wall plate 4 along the length direction thereof.

In one embodiment of the present solution, the second reinforcing beam 6 and the second end wall plate 4 are connected by arc welding or argon arc welding.

As shown in fig. 1, the first reinforcing beam 5 and the second reinforcing beam 6 have a square cross-sectional shape.

It should be noted here that the first and second reinforcing beams 5, 6 are both arranged at the back of the first and second end wall panels 3, 4.

In order to further enhance the strength of the end wall, the connecting position of the upright post 1 and the cross beam 2 is provided with a reinforcing fillet 7 connected by arc welding or argon arc welding, so that the overall strength and rigidity of the end wall can be effectively enhanced.

The weight of the end wall disclosed by the scheme is reduced by about 25% compared with that of the end wall with the full-profile structure.

In order to reduce the types of the sectional materials used by the end wall, the middle upright post 1 and the cross beam 2 are processed and manufactured by the same sectional material. As shown in fig. 2, the section of the upright column 1 is shown, as shown in fig. 3, the section of the cross beam 2 is shown, and the cross beam 2 is obtained by cutting on the basis of the section used by the upright column 1, so that only the section required by the upright column 1 needs to be purchased when the section is purchased, and the purchase cost and the processing cost of the end wall are reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A headwall, comprising:

the upright posts (1) are sectional material upright posts, and the number of the upright posts (1) is two;

the cross beam (2) is a section bar cross beam, and two ends of the cross beam (2) are respectively connected with the upper ends of the two upright columns (1);

the first end wall plate (3) is positioned above the cross beam (2), and the first end wall plate (3) is connected with the cross beam (2);

the number of the second end wall plates (4) is two, and the two second end wall plates are respectively connected with one sides of the two back to back of the upright posts (1).

2. End wall according to claim 1, characterized in that the cross beam (2) and the first end wall panel (3) are connected by friction stir welding.

3. End wall according to claim 1, characterized in that the stud (1) and the second end panel (4) are joined by friction stir welding.

4. End wall according to claim 1, characterized in that the uprights (1) are connected to the cross-beams (2) by arc welding or argon arc welding.

5. An end wall according to claim 1, wherein the first end wall plate (3) is provided with a first reinforcing beam (5), the number of the first reinforcing beams (5) is multiple and a plurality of the first reinforcing beams (5) are arranged in parallel along the length direction of the first end wall plate (3), the length extension direction of the first reinforcing beams (5) is perpendicular to the length extension direction of the first end wall plate (3), and the first reinforcing beams (5) and the first end wall plate (3) are connected by arc welding or argon arc welding.

6. An end wall according to claim 1, wherein a second reinforcing beam (6) is arranged on the second end wall plate (4), the number of the second reinforcing beams (6) is plural and plural, the second reinforcing beams (6) are arranged in parallel along the length extension direction of the second end wall plate (4), the length extension direction of the second reinforcing beams (6) is perpendicular to the length extension direction of the second end wall plate (4), and the second reinforcing beams (6) are connected with the second end wall plate (4) by arc welding or argon arc welding.

7. End wall according to claim 1, characterized in that the connection points of the uprights (1) and the cross-beams (2) are connected by arc welding or argon arc welding with a reinforcing fillet (7).

8. End wall according to claim 1, characterized in that the uprights (1) and the cross-beams (2) are made of the same aluminium profile.