CN215553160U - A vehicle body end wall through-channel installation structure and a rail vehicle body - Google Patents
A vehicle body end wall through-channel installation structure and a rail vehicle body Download PDFInfo
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- CN215553160U CN215553160U CN202120612928.0U CN202120612928U CN215553160U CN 215553160 U CN215553160 U CN 215553160U CN 202120612928 U CN202120612928 U CN 202120612928U CN 215553160 U CN215553160 U CN 215553160U
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Abstract
The utility model relates to a through passage mounting structure of a vehicle body end wall and a rail vehicle body, which comprise end wall plates on two sides of a through passage, a windshield arranged between the end wall plates on the two sides, through passage side wall plates arranged on the inner side of the windshield and an internal wall plate arranged at the end part of the vehicle body, wherein a windshield mounting interface, a side wall plate mounting interface and an internal wall plate mounting interface are sequentially arranged on the end wall plates from the outer side to the inner side of the vehicle body, the mounting interfaces are through holes arranged on the end wall plates, and windshield mounting frames, side wall plate mounting seats and internal wall plates on two sides of the windshield are fixedly connected with the corresponding mounting interfaces through fasteners. The utility model has simple structure, is convenient for quick installation, maintenance and replacement, and is beneficial to reducing the weight of the whole vehicle and reducing the production cost.
Description
Technical Field
The utility model relates to a vehicle body end wall through passage mounting structure and a rail vehicle body, and belongs to the technical field of rail vehicle manufacturing.
Background
The vehicle body of the rail vehicle mainly comprises a cab, an underframe, a roof, side walls and end walls, wherein the end walls of the vehicle body are generally arranged between two sections of carriages, two sides of the end walls of the vehicle body are connected with the side walls of the vehicle body, the outer edge of the top of the end walls of the vehicle body is connected with the roof, the bottom of the end walls of the vehicle body is connected with the underframe, and the end walls of the two sections of carriages are connected through a through passage.
The utility model discloses a rail vehicle bellows windshield in patent No. 201210529617.3, wherein it includes cab apron constitution, roof constitution, side wall constitution and windshield constitution isotructure to disclose the through passage of connecting between two sections carriages, and the windshield is constituteed including interior windscreen and outer windscreen, and interior windscreen sets up inside the automobile body, and the installing frame is installed to the both sides that the windscreen is constituteed, and the installing frame rethread screw is in the same place with the automobile body headwall fixed connection of both sides.
In the prior art, the through passage is generally installed in a manner that a plurality of screw seats for installing the through passage are arranged on an end wall of an aluminum alloy vehicle body, the screw seats are fixed on the inner side of the end wall of the vehicle body through welding, and the screw seats are tapped in a vehicle body assembling link. This structure causes the following problems:
1. a plurality of screw seats weld on the automobile body headwall, because of the welding heat influence, lead to easily being heated unevenly with the automobile body headwall that the screw seat is connected, the deformation phenomenon appears in the automobile body headwall after the welding, can cause certain influence to the plane degree of automobile body headwall, has increased the assembly error of automobile body headwall and other cooperation parts of automobile body, when the automobile body headwall main part warp seriously, leads to the automobile body headwall can't assemble to the automobile body on.
2. The plurality of screw seats are arranged on the whole vehicle body end wall, so that the welding amount is greatly increased, the assembly process of the through passage is complicated, the weight of the whole vehicle is increased, and the production and manufacturing cost of the vehicle body end wall is increased.
3. The screw seat is welded on the end wall of the vehicle body, so that later maintenance and replacement are not facilitated, and the subsequent maintainability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems of providing a vehicle body with a through passage at the end wall of the vehicle body, which has a simple structure, is convenient to install, maintain and replace quickly, is favorable for reducing the weight of the whole vehicle and the production cost, and simultaneously provides a rail vehicle body with the through passage at the end wall of the vehicle body.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a car body headwall through passage mounting structure, includes the end wall board of through passage both sides, installs the windscreen between the end wall board of both sides, installs at the inboard through passage side wall board of windscreen and installs the built-in wallboard at automobile body tip the last windscreen installation interface, side wall board installation interface and the built-in wallboard installation interface of having set gradually to the inboard by the automobile body outside of the car body of end wall board, the installation interface is for seting up through-hole on the end wall board, the windscreen installing frame of windscreen both sides, side wall board mount pad and built-in wallboard all through fastener and the installation interface fixed connection who corresponds.
Furthermore, the fastener adopts the bolted connection pair, correspond the through-hole position in the die cavity of end wall board and install the nut, the bolt passes the through-hole on the end wall board and nut fixed connection.
Furthermore, a limiting groove is formed in the cavity of the end wall plate corresponding to the through hole, the nut is limited to be installed in the limiting groove, and the limiting groove and the end wall are integrally formed.
Furthermore, the limiting groove is arranged along the full length of the height direction of the end wall plate, or the position of the through hole is discontinuously arranged.
Furthermore, all the mounting interfaces are key-shaped holes and are composed of a large-diameter part and a small-diameter part which are communicated with each other.
Further, the nut is a T-shaped nut, the diameter of the small end portion of the T-shaped nut is matched with that of the small hole diameter portion, and the large end portion of the T-shaped nut can penetrate through the large hole diameter portion to be placed in the cavity of the end wall plate and enable the small end portion to slide into the small hole diameter portion.
The built-in wallboard is L-shaped and is provided with a folded edge parallel to the end wallboard, and the bolt sequentially penetrates through the built-in wallboard fixing seat and the folded edge to be fixedly connected with the nut in the end wallboard type cavity.
Further, the end wall panel has a thickened portion at an end facing the interior wall panel, the thickened portion transitioning with an adjacent end wall panel through a ramp.
Further, install on the windscreen installing frame be used for with the end wall board between the sealed sealing rubber strip, the sealing rubber strip has installation department and sealing, the sealing has two sealing lip limits, two the sealing lip limit is parallel and all to the setting of bending outside the automobile body.
The other technical scheme of the utility model is as follows:
a rail vehicle body comprises end walls and a through passage located between the end walls on two sides, wherein the through passage is installed by adopting the vehicle body end wall through passage installation structure.
In summary, compared with the prior art, the vehicle body end wall through passage mounting structure and the rail vehicle body provided by the utility model have the following advantages:
(1) the utility model fixedly connects the windshield, the through passage side wall plate and the built-in wall plate by increasing the through holes at the outer side of the end wall plate section bar, and cancels the screw seat and other structures originally used for installing the through passage, thereby not only simplifying the installation structure, but also being beneficial to reducing the weight of the whole vehicle and reducing the production cost.
(2) The end wall plate is fixedly connected with the nut through the bolt, the screw seat is omitted, the welding amount is reduced, the end wall plate is prevented from being deformed due to welding, the flatness of the end wall plate is ensured, the end wall plate is easy to assemble with other structures of a vehicle body, the product quality can be ensured, the operation efficiency can be greatly improved, and the production cycle cost is reduced.
(3) The through passage is fixedly connected through the bolt and the nut, so that the through passage is convenient to install, maintain and replace quickly, and the subsequent maintainability of the through passage is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic illustration of the structure of an end wall panel of a vehicle body in accordance with the present invention;
FIG. 2 is a schematic view of a through passage installation configuration of the present invention;
FIG. 3 is a schematic cross-sectional view of a first end wall panel of the present invention;
fig. 4 is a schematic view of the nut structure of the present invention.
As shown in fig. 1 to 4, an end wall plate 1, a first end wall plate 1a, a second end wall plate 1b, an end wall top plate 1c, a windshield 2, an inner windshield 2a, an outer windshield 2b, an inner wall plate 3, a folded edge 3a, a top plate 4, a windshield mounting frame 5, an aluminum frame 6, a sealing rubber strip 7, a sealing lip 8, a side wall plate mounting seat 9, a windshield mounting interface 10, a side wall plate mounting interface 11, an inner wall plate mounting interface 12, a bolt 13, a large aperture part 14, a small aperture part 15, a nut 16, a small end part 16a, a large end part 16b, a limiting groove 17, an inner wall plate fixing seat 18 and a transition plate 19.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the present invention provides a vehicle body end wall through passage mounting structure, which includes end wall plates 1 on both sides, a windshield 2 mounted between the end wall plates 1 on both sides, a through passage side wall plate (not shown) mounted on the inner side of the windshield 2, an interior wall plate 3 mounted on the end of the vehicle body, a top plate 4 mounted on the top of the through passage side wall plate, and a transition plate 19 mounted on the bottom of the through passage side wall plate.
Windshield 2 includes inner windshield 2a and outer windshield 2b, and inner windshield 2a is mounted on the vehicle inside of outer windshield 2 b. Interior windscreen 2a and outer windscreen 2b all preferably adopt evagination formula wave structure, pliable and tough canopy cloth and wave skeleton fixed connection, the junction of every wave skeleton is through the 6 fixed connection of aluminium frames that the U-shaped was bent, and the stability of windscreen bellows shape is guaranteed to the wave skeleton, and the flexibility ratio of bellows is guaranteed to pliable and tough canopy cloth. The double-layer outward-convex folding shed structure contains more air layers and has better sound and heat insulation effects.
The end wall board 1 is formed by first end wall board 1a, second end wall board 1b and end wall roof 1c splice welding, and first end wall board 1a is installed in second end wall board 1 b's car inboard, and first end wall board 1a, second end wall board 1b and end wall roof 1c are aluminum alloy ex-trusions. The main part of first end wallboard 1a is "one" style of calligraphy, has the part of thickening at the one end towards built-in wall board 3, passes through the inclined plane transition between this thickened part and adjacent first end wallboard 1a for improve first end wallboard 1 a's overall structure intensity.
The both sides of windscreen 2 are respectively through screw fixed mounting have windscreen installing frame 5, and the mounting interface fixed connection that corresponds on the end wall board 1 of windscreen installing frame 5 rethread multiple fastener and both sides, and then with windscreen 2 and the end wall board 1 fixed connection of both sides together. The fastener preferably adopts a bolt connecting pair and consists of a bolt 13 and a nut 16.
And a sealing rubber strip 7 for sealing with the end wall plate 1 is further arranged on the windshield mounting frame 5, and the sealing rubber strip 7 is provided with a mounting part and a sealing part (not marked in the figure), and the mounting part and the sealing part are integrally formed. The windshield mounting frame 5 is provided with a C-shaped mounting groove, and the mounting part is T-shaped and is clamped and fixed in the C-shaped mounting groove. The sealing has two sealing lip edges 8, two sealing lip edges 8 are parallel and all bend the setting to the outside of automobile body, two sealing lip edges 8 and end wall board 1's surface is close to, realize the sealing between 2 and the automobile body end wall board 1 of windscreen, and the setting through two sealing lip edges 8 has realized the double-deck sealing between 2 and the end wall board 1 of windscreen, further promoted sealed effect, simultaneously because two sealing lip edges 8 all bend to the car outside, have the certain distance after the installation between two sealing lip edges 8, still be favorable to further reinforcing sealing rubber strip 7's sealed effect, effectively avoid the dust, rainwater etc. get into inside 2 of windscreen.
The through passage side wall plate is positioned on the inner side of the windshield 2, the windshield 2 is surrounded on the inner side of the through passage side wall plate, side wall plate mounting seats 9 are mounted on two sides of the through passage side wall plate, and the side wall plate mounting seats 9 are fixed on the end wall plate 1 through a plurality of bolts 13.
The installation of built-in wallboard 3 still includes built-in wallboard fixing base 18, and built-in wallboard fixing base 18 leads to long the setting along the automobile body direction of height, and is the same with the height of built-in wallboard 3. Built-in wallboard 3 adopts L shape structure, has the hem 3a parallel with end wall board 1, corresponds on built-in wallboard fixing base 18 and hem 3a and has seted up a plurality of mounting holes (not shown in the figure), and during the installation, the bolt 13 of connecting the usefulness passes mounting hole and the interior nut 16 fixed connection that corresponds in the end wall board 1 die cavity on built-in wallboard fixing base 18 and hem 3a in proper order.
The end wall plate is characterized in that a windshield mounting interface 10, a side wall plate mounting interface 11 and an internal wall plate mounting interface 12 are sequentially arranged on the end wall plate 1 from the outer side of the vehicle body to the inner side, the mounting interfaces are through holes formed in the end wall plate 1 towards a side wall plate of the windshield 2, the windshield mounting interface 10, the side wall plate mounting interface 11 and the internal wall plate mounting interface 12 are respectively arranged in a plurality of positions in the height direction of the vehicle body, and the side wall plate mounting interfaces 11 are arranged in two rows in parallel. The windshield mounting frame 5, the side wall plate mounting seat 9 and the built-in wall plate 3 on two sides of the windshield 2 are respectively fixedly connected with the corresponding windshield mounting interface 10, the corresponding side wall plate mounting interface 11 and the corresponding built-in wall plate mounting interface 12 through a plurality of bolts 13.
In this embodiment, a nut 16 is installed at a position corresponding to each installation interface in a cavity of the end wall plate 1, and the bolt 13 penetrates through a through hole in the end wall plate 1 and is fixedly connected with the nut 16. A limiting groove 17 is further arranged in the cavity of the end wall plate 1, and the nut 16 is limited to be arranged in the limiting groove 17 to play a role in limiting protection. Inside nut 16 and spacing groove 17 all installed the die cavity of end wall board 1, make full use of end wall section bar inner structure sets up spacing groove 17 through the inboard at end wall board 1 section bar, increases the through-hole in the outside of end wall board 1 section bar, provides the fixed point for the installation of link-up. The fixing point is arranged in the cavity of the end wall plate 1 by the structure, the space outside the end wall plate 1 does not need to be occupied, and the overall attractiveness of all the parts after being installed is improved to a certain extent. Wherein, the limiting groove 17 is preferably a C-shaped groove and is integrally formed with the end wall plate 1. The limiting groove 17 is arranged along the height direction of the end wall plate 1, and can also be only arranged at the position of the key-shaped hole in a discontinuous mode.
In this embodiment, preferably, all the mounting interfaces are key-shaped holes, and are composed of a large-diameter portion 14 and a small-diameter portion 15 which are communicated with each other, the large-diameter portion 14 may be circular or square, the transverse size of the large-diameter portion 14 is slightly larger than the diameter of the nut 16, it is ensured that the nut 16 can smoothly pass through the large-diameter portion 14 to enter the cavity, and the small-diameter portion 15 is a long circular hole.
As shown in fig. 4, the nut 16 is a T-shaped nut, and is composed of a small end portion 16a and a large end portion 16b, and the centers of the small end portion 16a and the large end portion 16b have screw holes therethrough. The diameter of the small end part 16a of the T-shaped nut 16 is matched with the diameter of the small hole part 15 of the key-shaped hole, the large end part 16b of the T-shaped nut 16 penetrates through the large hole part 14 of the key-shaped hole and is arranged in the cavity of the end wall plate 1, the insertion depth of the nut 16 is limited by the limiting groove 17, after the nut 16 penetrates through the large hole part 14, the small end part 16a is just embedded in the hole part 15, the small end part 16a of the nut 16 slides downwards to the small hole part 15, and the bolt 13 penetrates through the small hole part 15 of the key-shaped hole and is fixedly connected with the threaded hole of the nut 16 in a threaded mode.
After the end wall of the vehicle body is assembled and welded, a key-shaped hole serving as an installation interface is formed in the outer side of the section bar of the end wall plate 1 through integral processing according to the sliding chute reference of the section bar of the end wall plate 1, and the end wall plate 1 and all parts of the through passage can be fixedly connected with each other directly through a plurality of bolts 13.
The utility model also provides a railway vehicle body which comprises end walls and the through passage positioned between the end walls on two sides, wherein the through passage is installed by adopting the installation structure of the through passage on the end walls of the vehicle body.
The utility model has the following advantages:
the utility model can fixedly connect the windshield 2, the through passage side wall plate and the built-in wall plate 3 with the end wall plate 1 by additionally arranging the through holes on the outer side of the section bar of the end wall plate 1 and fasteners such as bolt connection pairs, and the like, thereby eliminating the screw seats (about 60 screw seats are required to be arranged on each end wall plate) and other structures used for arranging the through passage in the prior art, not only leading the installation structure to be simpler, but also being beneficial to reducing the weight of the whole vehicle and reducing the production cost.
In addition, because the screw seat used for installing the through passage in the prior art is eliminated, the welding amount is greatly reduced, and each screw seat is used for installing the through passage
The welding length of screw seat is about 60mm, has avoided the end wall board that causes because the welding to warp, has guaranteed the plane degree of end wall board, makes the manufacturability of end wall board obtain very big promotion, easily assembles with other structures of automobile body, has improved the assembly precision of end wall board and other cooperation parts of automobile body, not only can guarantee product quality, also can promote the operating efficiency by a wide margin simultaneously, reduces production cycle cost.
The end wall plate 1 is fixedly connected with each part of the through passage through the connecting pair of the bolt and the nut, so that the through passage can be conveniently detached and installed, the through passage can be conveniently and quickly installed, maintained and replaced, and the maintainability of the through passage during subsequent vehicle maintenance is greatly improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612928.0U CN215553160U (en) | 2021-03-26 | 2021-03-26 | A vehicle body end wall through-channel installation structure and a rail vehicle body |
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| CN202120612928.0U CN215553160U (en) | 2021-03-26 | 2021-03-26 | A vehicle body end wall through-channel installation structure and a rail vehicle body |
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| CN215553160U true CN215553160U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767292A (en) * | 2023-05-30 | 2023-09-19 | 中车青岛四方机车车辆股份有限公司 | End wall structure, automobile body and rail vehicle |
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2021
- 2021-03-26 CN CN202120612928.0U patent/CN215553160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767292A (en) * | 2023-05-30 | 2023-09-19 | 中车青岛四方机车车辆股份有限公司 | End wall structure, automobile body and rail vehicle |
| CN116767292B (en) * | 2023-05-30 | 2025-11-21 | 中车青岛四方机车车辆股份有限公司 | End wall structure, automobile body and rail vehicle |
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