End stand column, vehicle body and rail vehicle
阅读说明：本技术 端立柱、车体及轨道车辆 (End stand column, vehicle body and rail vehicle ) 是由 李现远 尚克明 田洪雷 蒋欣 董晓 于 2019-09-24 设计创作，主要内容包括：本发明涉及列车结构领域,特别涉及端立柱、车体及轨道车辆。该端立柱包括端立柱本体,端立柱本体的断面结构包括依次连接的第一长方形、梯形以及第二长方形,第一长方形的宽度小于第二长方形的宽度,第一长方形的长度大于第二长方形的长度；第一长方形的一对第一短边侧板、梯形的一对底边侧板以及第二长方形的一对第二短边侧板均由立筋形成；第一长方形内还设有将第一长方形的内部空腔分隔为至少两个型腔的至少一个立筋；至少一个型腔内设有滑槽。本发明构成大断面型材,而且内部设置多个立筋,通过立筋分隔成不同的型腔,立筋可有效提升整个型材的刚度,且针对应力集中的位置进行局部补强,同样提高型材的刚度；通过滑槽方便连接其他部件。(The invention relates to the field of train structures, in particular to an end upright post, a train body and a rail vehicle. The end upright column comprises an end upright column body, the section structure of the end upright column body comprises a first rectangle, a trapezoid and a second rectangle which are sequentially connected, the width of the first rectangle is smaller than that of the second rectangle, and the length of the first rectangle is larger than that of the second rectangle; the pair of first short side plates of the first rectangle, the pair of bottom side plates of the trapezoid and the pair of second short side plates of the second rectangle are all formed by studs; at least one stud for dividing the inner cavity of the first rectangle into at least two cavities is also arranged in the first rectangle; at least one cavity is internally provided with a chute. The large-section profile is formed, the plurality of vertical ribs are arranged in the large-section profile and are separated into different cavities through the vertical ribs, the vertical ribs can effectively improve the rigidity of the whole profile, local reinforcement is performed on the position where stress is concentrated, and the rigidity of the profile is also improved; other components are conveniently connected through the sliding groove.)
1. An end stand column comprises an end stand column body and is characterized in that the section structure of the end stand column body comprises a first rectangle, a trapezoid and a second rectangle which are sequentially connected, the width of the first rectangle is smaller than that of the second rectangle, and the length of the first rectangle is larger than that of the second rectangle;
one of the first long side plates of the first rectangle, one of the waist side plates of the trapezoid and one of the second long side plates of the second rectangle are positioned on the same plane;
the other first long side plate of the first rectangle is in transition connection with the other second long side edge of the second rectangle through the other waist side plate of the trapezoid;
the pair of first short side plates of the first rectangle, the pair of bottom side plates of the trapezoid and the pair of second short side plates of the second rectangle are all formed by studs;
at least one stud for dividing the inner cavity of the first rectangle into at least two cavities is further arranged in the first rectangle;
at least one of the cavities is provided with a chute.
2. An end post according to claim 1, wherein the trapezoidal internal cavity is provided with at least one said runner.
3. The end post according to claim 1, wherein the sliding groove comprises an inner rib, the height of the inner rib is smaller than that of the stud, a bent portion is provided at an end portion of the inner rib, a stop portion extending opposite to the bent portion is provided on a sidewall of the stud near the inner rib, and the stud provided with the stop portion and the inner rib provided with the bent portion enclose the sliding groove.
4. The end post according to claim 1, wherein the sliding groove comprises a pair of inner ribs, the height of the inner ribs is smaller than that of the stud, the ends of the pair of inner ribs are respectively provided with a bending portion which is bent oppositely, and the sliding groove is enclosed between the pair of inner ribs provided with the bending portion.
5. An end post according to claim 1, wherein the side walls of at least one pair of adjacent studs are provided with oppositely extending stops, respectively, and the runner is defined between a pair of studs provided with said stops.
6. The end post of claim 5 wherein the stop comprises: baffles, bars, or protrusions.
7. The end stud of claim 1, wherein an end of the first rectangle distal from the trapezoid is provided with a friction stir weld standard joint.
8. An end post according to claim 1,
the thickness of a pair of second long side edges of the second rectangle increases in a stepped manner towards the direction far away from the first rectangle;
the thickness of the outer end stud of the second rectangle is larger than that of other studs;
the thickness range of the stud is 3-6 mm.
9. A vehicle body, characterized by comprising: end walls, side walls and end pillars according to any one of claims 1 to 8, the end walls and the side walls being connected by the end pillars.
10. A rail vehicle, characterized by comprising a body according to claim 9.
Technical Field
The invention relates to the field of vehicle body structures, in particular to an end upright post, a vehicle body and a rail vehicle.
Background
With the rapid development of rail transit, the existing train has the unique advantages of high speed, low noise, short construction period, low cost and the like, and is widely popularized. The train comprises a roof, an underframe, side walls, end columns and other structures. The end columns are used for connecting end walls and side walls.
In the traditional technology, the section of an end upright post of a traditional train is small, and each interface module of an end wall cannot be integrated; need thicken in the joint for guaranteeing section bar welding strength, connect more weight big more, be not conform to lightweight design theory. In addition, the arc welding head is adopted at the joint, the welding quantity of the arc welding head is large, the welding deformation caused by the arc welding head is large, and the flatness of the end wall is difficult to effectively control. And when faults such as slide wires occur in the mounting seat arranged in the section cavity, the mounting seat cannot be replaced.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an end upright post, a vehicle body and a rail vehicle, and aims to solve the technical problems of small section and poor interface integration of the conventional end upright post.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides an end pillar, including an end pillar body, where a cross-sectional structure of the end pillar body includes a first rectangle, a trapezoid, and a second rectangle that are sequentially connected, a width of the first rectangle is smaller than a width of the second rectangle, and a length of the first rectangle is greater than a length of the second rectangle;
one of the first long side plates of the first rectangle, one of the waist side plates of the trapezoid and one of the second long side plates of the second rectangle are positioned on the same plane;
the other first long side plate of the first rectangle is in transition connection with the other second long side edge of the second rectangle through the other waist side plate of the trapezoid;
the pair of first short side plates of the first rectangle, the pair of bottom side plates of the trapezoid and the pair of second short side plates of the second rectangle are all formed by studs;
at least one stud for dividing the inner cavity of the first rectangle into at least two cavities is further arranged in the first rectangle;
at least one of the cavities is provided with a chute.
In an embodiment of the present invention, the trapezoidal inner cavity is provided with at least one sliding groove.
In a specific embodiment of the present invention, the sliding groove includes an inner rib, the height of the inner rib is smaller than the height of the stud, a bending portion is disposed at an end of the inner rib, a stop portion extending relative to the bending portion is disposed on a sidewall of the stud near the inner rib, and the stud provided with the stop portion and the inner rib provided with the bending portion form the sliding groove in a surrounding manner.
In a specific embodiment of the present invention, the sliding groove includes a pair of inner ribs, the height of the inner ribs is smaller than the height of the stud, the ends of the pair of inner ribs are respectively provided with bending portions which are bent oppositely, and the sliding groove is defined by the pair of inner ribs provided with the bending portions.
In one embodiment of the invention, the side walls of at least one pair of adjacent studs are respectively provided with a stop part extending oppositely, and the chute is enclosed between the pair of studs provided with the stop parts.
In one embodiment of the present invention, the stopper comprises: baffles, bars, or protrusions.
According to a specific embodiment of the invention, one end of the first rectangle far away from the trapezoid is provided with a friction stir welding standard joint.
In a specific embodiment of the present invention, the thickness of the pair of second long side edges of the second rectangle increases in a stepwise manner in a direction away from the first rectangle;
the thickness of the outer end stud of the second rectangle is larger than that of other studs;
the thickness range of the stud is 3-6 mm.
An embodiment of the present invention further provides a vehicle body, including: the end wall is connected with the side wall through the end stand column.
The embodiment of the invention also provides a railway vehicle which comprises the vehicle body.
(III) advantageous effects
Compared with the prior art, the technical scheme of the embodiment of the invention has the following advantages:
the end column provided by the embodiment of the invention comprises an end column body, wherein the section structure of the end column body comprises a first rectangle, a trapezoid and a second rectangle which are sequentially connected, the width of the first rectangle is smaller than that of the second rectangle, and the length of the first rectangle is larger than that of the second rectangle. First rectangle, trapezoidal and second rectangle constitute big section bar, and inside sets up a plurality of studs moreover, separates different die cavities through the stud, and the stud can effectively promote the rigidity of whole section bar, and carries out the local reinforcement to stress concentration's position, has improved the rigidity of section bar simultaneously. And a sliding groove is arranged in at least one cavity, so that other parts can be conveniently connected.
Drawings
FIG. 1 is a schematic view of an end stud structure according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of the wall thickness of the cavity of FIG. 1 according to the present invention.
Reference numerals: 1. a first rectangle; 2. a trapezoid shape; 3. a second rectangle; 4. friction stir welding a standard joint; 5. the outer end of the second rectangle; 6. erecting ribs; 7. a stopper; 8. an inner rib; 9. a bending part.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying 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 present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "first", "second", "third" and "fourth" do not denote any sequence relationship, but are merely used for convenience of description. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. "Current" is the time at which an action is performed, multiple occurrences of which are recorded in real time over time.
Products, methods, and the like will be described in detail below with reference to basic designs, extended designs, and alternative designs.
As shown in fig. 1, an embodiment of the present invention provides an end pillar, which is used for being installed between an end wall and a side wall, and includes an end pillar body, a cross-sectional structure of the end pillar body includes a first rectangle 1, a
As shown in fig. 1, one of the first long side plates of the first rectangle 1, one of the waist side plates of the
The other first long side plate of the first rectangle 1 is in transition connection with the other second long side edge of the
A pair of first short side plates of the first rectangle 1, a pair of bottom side plates (parallel upper and lower bottoms) of the
For the sake of simplification of the structure, the first rectangle 1 and the
In order to enhance the overall strength and the vertical rigidity of the first rectangle 1, at least one stud 6 for dividing the inner cavity of the first rectangle 1 into at least two cavities is further arranged in the first rectangle 1; the overall structural strength and rigidity of the end upright are enhanced through the arrangement of the vertical ribs 6, so that the section area of the end upright can be properly increased; by adopting the large-section sectional material, the number of the end wall plate sectional materials can be reduced from three to two, so that one welding position is reduced, and the weight of the end wall can be effectively reduced.
At least one sliding groove is arranged in at least one die cavity, and a key hole is arranged at the sliding groove, so that the installation and replacement of connecting pieces such as equipment bolts and the like are facilitated.
The end upright post adopts double-layer aluminum alloy and meets EN12663 standard. The modular design concept is adopted, and the large-section end upright post is designed, so that the effects of simple structure and reliability are achieved.
The end stand column achieves the effect of integrating multiple interfaces by arranging the sliding grooves, is used for installing various connecting pieces, simplifies the external structure of the end stand column, and enables the end stand column to be more reasonable and reliable in application. The sliding groove is preferably provided with a key hole, so that the installation and replacement of connecting pieces such as installation bolts of other equipment are facilitated. The die cavity is internally provided with the sliding chute so as to achieve the purpose of integrating and optimizing each interface of the end wall, reduce the development types of the sectional materials and save the cost.
In an embodiment of the present invention, the inner cavity of the
In the embodiment of the invention, three sliding groove structural forms are adopted:
firstly, in a specific embodiment of the present invention, the chute includes an inner rib 8, the height of the inner rib 8 is smaller than the height of the stud 6, that is, the inner rib 8 is located in the cavity and has a distance from the top of the cavity, a bending portion 9 is disposed at an end of the inner rib 8, a stop portion 7 extending relative to the bending portion 9 is disposed on a side wall of the stud 6 close to the inner rib 8, the stud 6 provided with the stop portion 7 and the inner rib 8 provided with the bending portion 9 enclose the chute, and an opening width of the chute is smaller than a bottom width of the chute, so that a head of a connecting member such as a bolt can be limited in the chute.
Specifically, because the inside mount pad of die cavity of prior art middle-end stand often appears trouble such as smooth silk, and inconvenient unable change even, in order to avoid the unexpected roll-off spout of connecting piece, set up in the notch department of spout stop member 7, stop member 7 sets up in the direction of connecting piece roll-off promptly, exerts the power of blockking to the connecting piece, and this stop member 7 can be baffle, blend stop or arch etc. reach and block the effect, and does not restrict any structural component of connecting piece installation and all can be used as this stop member 7.
Secondly, in an embodiment of the present invention, the sliding groove includes a pair of inner ribs 8, the height of the inner ribs 8 is smaller than the height of the stud 6, the ends of the pair of inner ribs 8 are respectively provided with a bending portion 9 which is bent oppositely, the sliding groove is defined between the pair of inner ribs 8 provided with the bending portion 9, and similarly, the opening width of the sliding groove is smaller than the groove bottom width of the sliding groove, so that the head of a connecting member such as a bolt can be limited in the sliding groove.
Thirdly, in an embodiment of the present invention, the side walls of at least one pair of adjacent studs 6 are respectively provided with a stop member 7 extending oppositely, provided that the distance between the pair of adjacent studs 6 matches the width distance of the sliding groove; the sliding groove is enclosed between a pair of vertical ribs 6 provided with the stop part 7. Likewise, the opening width of the chute is smaller than the groove bottom width of the chute, so that the head of the connecting piece such as a bolt can be limited in the chute.
Moreover, the end upright post also adopts a local reinforcing design, and the inner side walls of the first rectangle 1 and the
Meanwhile, an arc welding head is usually adopted for the end wall stand column in the prior art, so that the welding amount is too large, the welding deformation is large, the flatness of the end wall is difficult to control effectively, and aiming at the problem, the end stand column is far away from the
In a specific embodiment of the invention, the thickness of the studs 6 at the outer end 5 of the second rectangle is greater than the thickness of the studs 6 at the other ends, and the width of the
the thickness of a pair of second long side plates of the
The thickness of all the studs 6 ranges from 3 to 6 mm.
First rectangle 1,
In order that the invention may be more fully understood, two specific examples are set forth below.
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