CN214396755U - Vehicle body underframe and straddle type monorail train - Google Patents

Vehicle body underframe and straddle type monorail train Download PDF

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Publication number
CN214396755U
CN214396755U CN202022979213.7U CN202022979213U CN214396755U CN 214396755 U CN214396755 U CN 214396755U CN 202022979213 U CN202022979213 U CN 202022979213U CN 214396755 U CN214396755 U CN 214396755U
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China
Prior art keywords
underframe
floor
chassis
vehicle body
aluminum alloy
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CN202022979213.7U
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Chinese (zh)
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王怀东
张勇
杨川
李华玲
陈俊宏
洪成金
瞿浩
何英杰
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Chongqing CRRC Long Passenger Railway Vehicles Co Ltd
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Chongqing CRRC Long Passenger Railway Vehicles Co Ltd
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Abstract

The utility model discloses a vehicle body chassis and straddle type monorail train, wherein the vehicle body chassis includes aluminium floor and chassis boundary beam, is provided with the floor overlap joint mouth on wherein the aluminium floor, is provided with the boundary beam overlap joint mouth on the chassis boundary beam, and wherein the floor overlap joint mouth links to each other with the welding of boundary beam overlap joint mouth. Compared with the prior art, the welding connection is carried out in a lap joint mode, so that the defects that the whole width adjustment amount is small and even the welding can not be adjusted after the welding of the aluminum floor and the side beam of the bottom frame is finished can be effectively avoided, and the welding quality is effectively improved.

Description

Vehicle body underframe and straddle type monorail train
Technical Field
The utility model relates to a monorail train technical field, in particular to automobile body chassis and straddle type monorail train.
Background
The straddle type monorail train is a typical urban rail transit system, has the advantages of strong terrain adaptability, large climbing capacity, small turning radius, less land resource occupation, low noise, short construction period, low manufacturing cost and the like, has obvious comprehensive advantages of overhead line operation in multi-system urban rail transit, and has wide popularization and application space due to unique advantages.
In the chassis structure of a traditional straddle type monorail train body, an inserting interface is usually adopted between an aluminum floor and a chassis boundary beam, and the aluminum floor and the chassis boundary beam can contract after being welded, so that the inserting interface easily causes the defect that the adjustment amount of the whole width of the chassis is small, and even the chassis cannot be adjusted.
Therefore, how to avoid the defect that the adjustment amount of the whole width is small or even the whole width cannot be adjusted after the welding of the aluminum floor and the side beam of the bottom frame is completed is a technical problem that needs to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a car body chassis, the whole width adjustment volume that appears after can effectively avoiding aluminium floor and chassis boundary beam welding to accomplish is little, the defect of unable adjustment even, effectively promotes welding quality.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a car body chassis, includes aluminium floor and chassis boundary beam, be provided with the floor overlap joint mouth on the aluminium floor, be provided with the boundary beam overlap joint mouth on the chassis boundary beam, the floor overlap joint mouth with the welding of boundary beam overlap joint mouth links to each other.
Preferably, the floor overlap joint mouth with the boundary beam overlap joint mouth all adopts and closes a mouthful aluminum alloy ex-trusions and make, just the section bar inner chamber of floor overlap joint mouth is provided with floor overlap joint mouth triangle muscle, the section bar inner chamber of boundary beam overlap joint mouth is provided with boundary beam overlap joint mouth triangle muscle.
Preferably, the section bar of the aluminum floor is a closed aluminum alloy section bar, and a plurality of floor triangular ribs are arranged in the cavity of the aluminum floor.
Preferably, the aluminum floor is formed by splicing a plurality of aluminum alloy section floors, and two ends of any one aluminum alloy section floor are respectively provided with a splicing port used for being connected with the adjacent aluminum alloy section floors.
Preferably, two adjacent inserting ports are respectively a male inserting port and a female inserting port, an inserting surface of the male inserting port is a plane, and a groove is formed in an inserting surface of the female inserting port.
Preferably, the underframe edge beam is made of aluminum alloy section bars, and edge beam triangular ribs are arranged in a cavity of the underframe edge beam.
Preferably, the vehicle body underframe further comprises an underframe cross beam, an underframe end beam and an underframe sleeper beam, wherein the underframe cross beam, the underframe end beam and the underframe sleeper beam are made of closed aluminum alloy sections, and triangular rib plates are arranged inside the underframe cross beam, the underframe end beam and the underframe sleeper beam.
Preferably, still include the coupler seat, the coupler seat includes the upper cover plate, lower cover plate, and set up in the upper cover plate with be used for installing the coupler mount pad of coupler between the lower cover plate, the upper cover plate, lower cover plate with the coupler mount pad all adopts aluminium alloy ex-trusions to make, the both ends of coupler seat are connected respectively chassis crossbeam and chassis end beam.
A straddle type monorail train comprises a train body underframe, wherein the train body underframe is the train body underframe disclosed by any one of the above items.
Preferably, the vehicle body underframe comprises a head car underframe and a middle car underframe.
According to the technical scheme provided by the utility model, the utility model discloses a car body chassis, including aluminium floor and chassis boundary beam, wherein be provided with the floor overlap joint mouth on the aluminium floor, be provided with the boundary beam overlap joint mouth on the chassis boundary beam, wherein the floor overlap joint mouth links to each other with the welding of boundary beam overlap joint mouth. Compared with the prior art, the welding connection is carried out in a lap joint mode, so that the defects that the whole width adjustment amount is small and even the welding can not be adjusted after the welding of the aluminum floor and the side beam of the bottom frame is finished can be effectively avoided, and the welding quality is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a bottom frame of a vehicle body disclosed in an embodiment of the present invention;
fig. 2 is a schematic view of an overlapping structure of an aluminum floor and a bottom frame boundary beam disclosed in the embodiment of the present invention;
fig. 3 is a schematic diagram of an insertion structure of adjacent aluminum floor sections disclosed in the embodiment of the present invention;
fig. 4 is a schematic structural view of an underframe boundary beam disclosed in the embodiment of the present invention;
fig. 5 is a schematic structural view of a chassis beam according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an end beam of the underframe according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an underframe sleeper beam disclosed in the embodiment of the present invention;
fig. 8 is a schematic structural view of a vehicle head chassis disclosed in an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view taken along A-A of FIG. 8;
fig. 10 is a schematic structural view of an underframe in a vehicle according to an embodiment of the invention;
fig. 11 is a schematic sectional structure view along the direction B-B in fig. 10.
Wherein, each part name is as follows:
100 is an aluminum floor, 101 is a floor lap joint, 1011 is a floor lap joint triangular rib, 102 is a floor triangular rib, 103 is an aluminum alloy section floor, 104 is an inserting male port, and 105 is an inserting female port;
200 is an underframe edge beam, 201 is an edge beam overlapping opening, 2011 is an edge beam overlapping opening triangular rib, and 202 is an edge beam triangular rib;
300 is chassis cross beam, 400 is chassis end beam, 500 is chassis sleeper beam, 600 is coupler seat.
Detailed Description
In view of this, the core of the utility model is to provide a car body chassis, can effectively avoid the whole width adjustment volume that appears after aluminium floor and chassis boundary beam welding accomplish little, the defect of unable adjustment even.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 2, an embodiment of the present invention discloses a vehicle chassis, including an aluminum floor 100 and a chassis boundary beam 200, wherein the aluminum floor 100 is provided with a floor overlapping opening 101, the chassis boundary beam 200 is provided with a boundary beam overlapping opening 201, and the floor overlapping opening 101 is connected to the boundary beam overlapping opening 201 by welding. Compared with the prior art, the welding connection is carried out in a lap joint mode, so that the defects that the whole width adjustment amount is small and even the welding can not be adjusted after the welding of the aluminum floor and the side beam of the bottom frame is finished can be effectively avoided, and the welding quality is effectively improved.
In order to further promote the joint strength between aluminium floor 100 and the chassis boundary beam 200 in the automobile body chassis, the embodiment of the utility model discloses in the automobile body chassis disclosed, floor overlap joint mouth 101 and boundary beam overlap joint mouth 201 all adopt and close a mouthful aluminum alloy ex-trusions and make, and the section bar inner chamber of floor overlap joint mouth 101 is provided with floor overlap joint mouth triangle muscle 1011, and the section bar inner chamber of boundary beam overlap joint mouth 201 all is provided with boundary beam overlap joint mouth triangle muscle 2011.
The embodiment of the utility model provides a material to aluminum floor 100 does not specifically inject, as long as can satisfy the utility model discloses operation requirement's structure is all in the utility model discloses an within the protection scope, for further optimizing above-mentioned embodiment, the embodiment of the utility model discloses in the disclosed automobile body chassis, aluminum floor 100's section bar is preferred to be adopted and is closed a mouthful aluminum alloy section bar, so sets up, can effectively guarantee aluminum floor's lightweight, for further aluminum floor 100's joint strength, still is provided with a plurality of floor triangle muscle 102 in aluminum floor 100's die cavity.
Wherein, aluminum floor 100 is pegged graft by polylith aluminum alloy ex-trusions 103 and constitutes, to the specific quantity of aluminum alloy ex-trusions 103 the embodiment of the utility model provides an in do not specifically inject, as long as can satisfy the utility model discloses operation requirement's structure is all in the utility model discloses a within range, the embodiment of the utility model discloses an aluminum floor 100 is preferred to adopt 5 aluminum alloy ex-trusions floor 103 to peg graft and constitutes, and arbitrary aluminum alloy ex-trusions floor 103's both ends are provided with respectively and are used for the interface that links to each other with adjacent aluminum alloy ex-trusions floor 103, pegs graft through the interface with polylith aluminum alloy ex-trusions floor 103 and constitute holistic aluminum floor 100.
Please refer to fig. 3, in the embodiment of the present invention, two adjacent sockets are the male socket 104 and the female socket 105, in order to enhance the connection strength between the male socket 104 and the female socket 105, the plugging surface of the male socket 104 can be set to be a plane, the plugging surface of the female socket 105 can be set to be a groove, of course, the plugging surface of the male socket 104 can also be set to be a groove, the plugging surface of the female socket 105 is set to be a plane, and thus, the male socket 104 and the female socket 105 can be connected to each other to plug the floors of two adjacent aluminum alloy sections together.
Wherein, the section bar thickness at each position of aluminum floor 100 can be the same, can be different, the embodiment of the utility model provides an in the disclosed section bar thickness of aluminum floor 100 can adjust according to actual conditions, for example, set up the section bar wall thickness to between 3mm-4mm, set up the section bar thickness of interface to 4mm-5mm, so set up, can further promote the joint strength on two aluminum alloy section bar floors 103.
Referring to fig. 4, in order to further improve the connection strength of the bottom frame boundary beam 200, in the vehicle body bottom frame disclosed in the embodiment of the present invention, the bottom frame boundary beam 200 is preferably made of an aluminum alloy profile, and the bottom frame boundary beam 200 is provided with a boundary beam triangular rib 202 inside.
Referring to fig. 5 to 7, in order to further optimize the technical solution of the above embodiment, the embodiment of the present invention discloses a vehicle chassis further including a chassis cross member 300, a chassis end beam 400 and a chassis bolster 500, wherein the chassis cross member 300, the chassis end beam 400 and the chassis bolster 500 are made of specific sectional materials, the embodiment of the present invention is not limited specifically, the embodiment of the present invention discloses a chassis cross member 400, a chassis end beam 400 and a chassis bolster 500 are preferably made of closed aluminum alloy sections, and more preferably, the closed aluminum alloy sections are preferably made of a rectangular structure.
In order to further promote the bulk strength of automobile body chassis, the embodiment of the utility model discloses in the disclosed automobile body chassis, preferably at chassis crossbeam 300, chassis end beam 400 and chassis sleeper beam 500's inside all is provided with the triangle gusset.
More preferably, chassis crossbeam 300, chassis end beam 400 and chassis sleeper beam 500 adopt the project organization of non-uniform wall thickness, require differently according to specific joint strength, in the disclosed automobile body chassis of the embodiment of the utility model, set up chassis crossbeam 300, chassis end beam 400 and chassis sleeper beam 500's different positions into different wall thicknesses.
Please refer to fig. 8-11, the embodiment of the present invention discloses an automobile chassis, further comprising a coupler seat 600, wherein the coupler seat 600 comprises an upper cover plate, a lower cover plate, and a coupler mounting seat arranged between the upper cover plate and the lower cover plate for mounting a coupler, wherein the upper cover plate, the lower cover plate and the coupler mounting seat are made of aluminum alloy sections, so as to reduce the weight of the coupler seat 600, and improve the light weight of the coupler seat 600, and the two ends of the coupler seat 600 are welded with the chassis beam 300 and the chassis end beam 400 respectively, so as to improve the connection strength between the coupler seat 600 and the automobile chassis, and further improve the strength of the whole automobile chassis.
The embodiment of the utility model provides a straddle type monorail train is still disclosed, including the automobile body chassis, wherein the automobile body chassis is the automobile body chassis that the above-mentioned arbitrary embodiment disclosed.
Because the above-mentioned straddle type monorail train has adopted the disclosed automobile body chassis of above-mentioned embodiment, consequently, this straddle type monorail train has the technical advantage of above-mentioned automobile body chassis concurrently, the embodiment of the utility model provides a no longer describe to this repeatedly.
The embodiment of the utility model provides an among the disclosed straddle type monorail train, the automobile body chassis includes head car chassis and middle vehicle chassis, no matter head car chassis still middle vehicle chassis all has the technical advantage of above-mentioned automobile body chassis.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
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 (10)

1. The utility model provides a car body chassis, includes aluminum floor (100) and chassis boundary beam (200), its characterized in that, be provided with floor overlap joint mouth (101) on aluminum floor (100), be provided with boundary beam overlap joint mouth (201) on chassis boundary beam (200), floor overlap joint mouth (101) with boundary beam overlap joint mouth (201) welding links to each other.
2. The vehicle body underframe according to claim 1, characterized in that the floor lap joint (101) and the side beam lap joint (201) are both made of closed aluminum alloy section, and the section cavity of the floor lap joint (101) is provided with a floor lap joint triangular rib (1011), and the section cavity of the side beam lap joint (201) is provided with a side beam lap joint triangular rib (2011).
3. The vehicle body underframe according to claim 1, characterized in that the profile of the aluminum floor (100) is a closed aluminum alloy profile, and a plurality of floor triangular ribs (102) are arranged in the cavity of the aluminum floor (100).
4. The vehicle body underframe according to claim 1, wherein the aluminum floor (100) is formed by splicing a plurality of aluminum alloy section floor boards (103), and both ends of any one aluminum alloy section floor board (103) are respectively provided with a splicing port for connecting with the adjacent aluminum alloy section floor boards (103).
5. The vehicle body chassis as claimed in claim 4, wherein two adjacent plug ports are a male plug port (104) and a female plug port (105), respectively, the plug surface of the male plug port (104) is a plane, and a groove is formed on the plug surface of the female plug port (105).
6. The vehicle body underframe according to claim 1, characterized in that the underframe edge beam (200) is made of aluminum alloy section, and edge beam triangular ribs (202) are arranged in the cavity of the underframe edge beam (200).
7. The vehicle body underframe according to claim 1, further comprising underframe cross beams (300), underframe end beams (400) and underframe sleeper beams (500), wherein the underframe cross beams (300), the underframe end beams (400) and the underframe sleeper beams (500) are made of closed aluminum alloy sections, and triangular rib plates are arranged inside the underframe cross beams (300), the underframe end beams (400) and the underframe sleeper beams (500).
8. The car body underframe of claim 7, further comprising a car hook base (600), wherein the car hook base (600) comprises an upper cover plate, a lower cover plate and a car hook mounting base arranged between the upper cover plate and the lower cover plate and used for mounting a car hook, the upper cover plate, the lower cover plate and the car hook mounting base are all made of aluminum alloy sections, and two ends of the car hook base (600) are respectively connected with the underframe cross beam (300) and the underframe end beam (400).
9. A straddle monorail train comprising a vehicle body underframe according to any one of claims 1-8.
10. A straddle monorail train according to claim 9, wherein the vehicle body underframe comprises a head car underframe and a middle car underframe.
CN202022979213.7U 2020-12-11 2020-12-11 Vehicle body underframe and straddle type monorail train Active CN214396755U (en)

Priority Applications (1)

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CN202022979213.7U CN214396755U (en) 2020-12-11 2020-12-11 Vehicle body underframe and straddle type monorail train

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CN202022979213.7U CN214396755U (en) 2020-12-11 2020-12-11 Vehicle body underframe and straddle type monorail train

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CN214396755U true CN214396755U (en) 2021-10-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115782944A (en) * 2022-11-25 2023-03-14 中车长春轨道客车股份有限公司 Floor inspection door biography power beam structure and monorail vehicle chassis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115782944A (en) * 2022-11-25 2023-03-14 中车长春轨道客车股份有限公司 Floor inspection door biography power beam structure and monorail vehicle chassis
WO2024108630A1 (en) * 2022-11-25 2024-05-30 中车长春轨道客车股份有限公司 Floor plate inspection gate force transfer beam structure and monorail vehicle underframe

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