CN113753085B - Air supply, air return and roof integral structure of railway vehicle - Google Patents
Air supply, air return and roof integral structure of railway vehicle Download PDFInfo
- Publication number
- CN113753085B CN113753085B CN202111073134.2A CN202111073134A CN113753085B CN 113753085 B CN113753085 B CN 113753085B CN 202111073134 A CN202111073134 A CN 202111073134A CN 113753085 B CN113753085 B CN 113753085B
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- China
- Prior art keywords
- roof
- air
- roof section
- section bar
- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Body Structure For Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an air supply, air return and roof integral structure of a railway vehicle, which comprises a roof section I, a roof section II and a middle roof section, wherein the middle roof section is a plate-shaped section, two sides of the middle roof section are fixedly connected with the roof section I and the roof section II, the upper side of the middle roof section is provided with a roof air inlet connected with an air conditioning unit, and the upper sides of the roof section I and the roof section II on the two sides of the roof air inlet are respectively provided with a roof air return inlet connected with the air conditioning unit; and the lower sides of the roof section bar I and the roof section bar II are respectively provided with a left air return cavity and a right air return cavity which protrude downwards, and the left air return cavity, the right air return cavity and a cavity enclosed by an internally-installed top plate form an air supply cavity. The invention has small occupied space, convenient installation, light weight, high strength and low cost.
Description
Technical Field
The invention belongs to the technical field of rail vehicle manufacturing, and particularly relates to an integral structure of air supply, air return and a roof of a rail vehicle.
Background
The railway vehicle has many roof parts, roof profiles serving as bearing structures, and parts such as a single air duct, a single wire groove, an inner roof, a cross beam thereof, an air supply grille and the like, as well as transition profiles or mounting brackets between the parts and the roof profiles. In the prior railway vehicle project, the parts and the mounting members between the parts and the roof profile are all independent structures, and have the disadvantages of complex structure, large occupied space, heavy weight, complex mounting process and high cost.
Disclosure of Invention
The invention aims to solve the problems of complex roof structure, large occupied space, heavy weight, complex mounting process and high cost of the traditional railway vehicle, and provides an air supply, return air and roof integral structure of the railway vehicle, which has the advantages of simple roof structure, small occupied space, light weight, convenience in mounting and cost saving.
In order to achieve the purpose, the invention provides an air supply, return air and roof integral structure of a railway vehicle, which comprises a roof section bar I, a roof section bar II and a middle roof section bar, wherein the middle roof section bar is a plate-shaped section bar, two sides of the middle roof section bar are fixedly connected with the roof section bar I and the roof section bar II, the upper side of the middle roof section bar is provided with a roof air inlet connected with an air conditioning unit, and the upper sides of the roof section bar I and the roof section bar II on two sides of the roof air inlet are respectively provided with a roof return air inlet connected with the air conditioning unit; the lower sides of the roof section bar I and the roof section bar II are respectively provided with a left air return cavity and a right air return cavity which protrude downwards, and the outer sides of the left air return cavity and the right air return cavity are respectively provided with a side air return opening; the lower sides of the left air return cavity and the right air return cavity are respectively fixedly connected with a left longitudinal section and a right longitudinal section, and an internally installed beam is fixedly connected between the left longitudinal section and the right longitudinal section; the middle part of the lower side of the built-in cross beam is fixedly connected with a built-in top plate, and a left air supply grid and a right air supply grid are respectively and fixedly connected between the built-in top plate and the left longitudinal section bar and between the built-in top plate and the right longitudinal section bar; and the hollow cavity enclosed by the roof section bar I, the roof section bar II, the middle roof section bar, the left air supply grille, the right air supply grille and the built-in roof forms an air supply cavity.
Further, the roof section bar I and the roof section bar II are in bilateral symmetry, the roof section bar I comprises an upper structure, a left structure, a right structure and a lower structure, and the upper structure is a plate-shaped section bar; the left structure is a vertical plate, and three horizontal rib plates used as the bottom surfaces of the wire grooves are arranged on the outer side of the vertical plate; the right part structure is a clapboard with the lower side inclining to the middle part of the vehicle body; the substructure is a horizontal plate, and the horizontal plate downside is equipped with spout I and spout II, the cavity that superstructure, left part structure, right part structure and substructure enclose is left return air chamber.
Further, the vertical plate of the left part structure extends towards the lower side of the left air return cavity, the horizontal rib plate at the lowest side is arranged at the lower end part, and a sliding groove III used for connecting an internal installation structure is arranged at the lower side of the horizontal rib plate.
Furthermore, the left longitudinal section and the right longitudinal section are bilaterally symmetrical in structure, the section of the left longitudinal section is a right-angled triangle, one right-angled side of the left longitudinal section is horizontally and fixedly connected with the sliding groove I on the lower side of the lower structure, two horizontal rib plates extend from the other right-angled side of the left longitudinal section, and a mounting groove for fixing the built-in beam is formed between the two horizontal rib plates.
Furthermore, a sliding groove IV for fixing the left air supply grille is arranged on the lower side of the lower vertex position of the triangular section of the left longitudinal section, and the sliding groove IV faces the middle of the vehicle body.
The invention has the advantages and positive effects that:
(1) the occupied space is small, because do not have solitary air supply duct, return air duct, but the space between wind channel and the surrounding parts among the full utilization traditional roof structure, under the unchangeable circumstances of assurance wind channel sectional area, roof structure height can reduce 80mm, and net height can be increased 2180mm by original 2100mm in the roof passenger room like this, improves passenger's the riding sensation.
(2) The installation is convenient, and the transition section bar, the wire groove and the roof section bar are extruded and formed by a machine together due to no independent air channel, so that the working hours for installing the air channel, the transition section bar and the wire groove by workers are saved.
(3) The weight is light, the weight of the air duct can be reduced, the reduction of the space also means the weight reduction of each part, the weight of a large number of fasteners used for installing the air duct, the transition section bar and the wire casing can be reduced, and the weight of each trolley can be reduced by more than 250 kg.
(4) The cost is low, the cost of the air duct, the installation air duct and the transition section fastener is reduced, the volume of the related parts is reduced, the raw materials can be saved, the cost is reduced, in addition, the installation is simple, the labor cost can be saved, and the cost of each trolley can be reduced by more than 2 ten thousand yuan.
(5) The roof has high strength and good rigidity, the strength and rigidity of the roof section bar can be improved by extruding and forming the transition section bar and the roof section bar together, and the reliability is higher than that of the transition section bar and the roof which are connected by using a fastening piece.
Drawings
FIG. 1 is a front view of the components of the present invention;
FIG. 2 is a top view and flow organization of various components of the present invention;
FIG. 3 is a schematic view of the assembly of the present invention with a roof member
FIG. 4 is an assembled cross-sectional view of the components of the present invention;
FIG. 5 is an exploded view of the components of the present invention;
fig. 6 is a schematic structural view of the roof profile 5 of the present invention;
FIG. 7 is a B-B cross-sectional view and air flow organization diagram of various components of the present invention;
FIG. 8 is a view of the invention in the direction C;
wherein: 1. an air conditioning unit; 2. a roof air supply outlet; 3. a roof return air inlet; 4. a side air return inlet; 5. a roof section bar I; 6. a roof section II; 7. roof section bars III, 8 and a roof section bar IV; 9. a roof section bar V; 10. a left longitudinal profile; 11. a right longitudinal profile; 12. a left air supply grille; 13. a right air supply grille; 14. a cross beam is arranged in the frame; 15. a top plate is arranged in the inner part; 16. an air supply cavity; 17. a left return air chamber; 18. a right return air chamber; 19. upper structure, 20, left structure, 21, right structure; 22. a lower structure; 23. a chute I; 24. a chute II; 25. a chute III;
→ direction of air flow.
Detailed Description
Referring to fig. 1 to 7, an air conditioning system according to the present invention includes: an air conditioning unit 1; a roof air supply outlet 2; a roof return air inlet 3; a side return air inlet 4; the roof section bar I5, the roof section bar II 6 and the middle roof section bar; the inside is provided with a longitudinal section I10 and a longitudinal section II 11; the left air supply grille I12 and the right air supply grille II 13; an inboard cross member 14 and an inboard roof 15.
Referring to fig. 3 and 4, the middle roof profile comprises a roof profile iii 7, a roof profile iv 8 and a roof profile v 9, the roof profile iii 7 and the roof profile v 9 are welded on two sides of the roof profile iv 8, the outer side of the roof profile iii 7 is welded with the roof profile i 5, the outer side of the roof profile v 9 is welded with the roof profile ii 6, and the roof profile iii 7, the roof profile iv 8 and the roof profile v 9 are used as a part of a roof structure and also used as a top structure of an air supply chamber.
Referring to fig. 1 and 2, two air conditioning units 1 are arranged on each roof of the vehicle, two ends of each air conditioning unit are connected with a roof air supply outlet 2 and a roof air return outlet 3, the roof air return outlet 3 is arranged on a roof section I5 and a roof section II 6 which are oppositely arranged on two sides of the roof air supply outlet 2, and four roof air supply outlets 2 and eight roof air return outlets 3 are arranged on each roof of the vehicle.
Referring to fig. 5, the roof section bar i 5 and the roof section bar ii 6 are bilaterally symmetrical in structure, the lower sides of the roof section bar i 5 and the roof section bar ii 6 are respectively provided with a return air cavity 17 and a return air cavity 18 which protrude downwards, and the outer sides of the return air cavity 17 and the return air cavity 18 are respectively provided with a side return air inlet 4. The roof profile i 5 comprises an upper structure 19, a left structure 20, a right structure 21 and a lower structure 22, which enclose a left return air chamber 17. The upper structure 19 is a plate-shaped section with a cavity, and is welded with other roof sections to form a roof, and simultaneously serves as a top structure of the return air cavity. Left part structure 20 is a vertical board, and vertical board extends to left return air chamber 17 downside, and its outside is equipped with the left gusset of three level, and the left gusset of three level is as the bottom surface of wire casing, and the setting of the left gusset of below level is at vertical board lower extreme, and its downside is equipped with spout III, and spout III is used for the installation of built-in part, and left part structure 20 both has played the effect of wire casing as the left surface in return air chamber 17. The right structure 21 is a partition plate inclined downward toward the middle of the vehicle body, and serves as both the right side surface of the return air chamber 17 and the left side surface of the blast chamber 16. The lower structure 22 is a horizontal plate which can be used as the bottom structure of the air return cavity 17 and can be used for hoisting the built-in components, and the lower part of the horizontal plate is provided with a chute I23 and a chute II 24 which are used for installing the built-in components.
The I23 of lower side chute of substructure 22 connects built-in left longitudinal section 10, and left longitudinal section 10 section is whole to be right triangle, and a right-angle side level passes through bolted connection with I23 of lower side chute of substructure 22, and another right-angle side extends two horizontal gusset, constitutes a mounting groove between two horizontal gusset, and the bolt fastening is passed through at built-in crossbeam 14 both ends in the mounting groove of both sides. The underside of the middle of the interior cross member 14 is bolted to an interior ceiling 15, the interior ceiling 15 serving both as an interior trim and as a bottom structure for the plenum chamber 16. A sliding chute IV facing the middle part of the vehicle body is arranged at the lower side of the lower vertex position of the triangular section of the left longitudinal section 10, the position of the sliding chute IV is lower than that of the built-in top plate, and a left air supply grille 12 is connected between the end part of the built-in top plate 15 and the sliding chute IV at the lower part of the left longitudinal section 10.
The roof section bar II 6 is provided with a right return air cavity 18, the lower side of the roof section bar II 6 is connected with the built-in right longitudinal section bar 11, the built-in right longitudinal section bar 11 is structurally symmetrical to the built-in left longitudinal section bar 10, and a right air supply grille 13 is connected between the built-in right longitudinal section bar 11 and the end part of the built-in roof 15.
The cavity enclosed by the roof section bar I5, the roof section bar II 6, the roof section bar III 7, the roof section bar IV 8, the roof section bar V9, the left air supply grille 12, the right air supply grille 13 and the inner roof 15 forms an air supply cavity 16.
Referring to fig. 7, five side return air inlets 4 are respectively arranged on the side surfaces of a roof section bar I5 and a roof section bar II 6, and return air in a compartment is sent into a left return air cavity 17 and a right return air cavity 18 and then sent back to an air conditioning unit.
Referring to fig. 1, 2, 3, 6 and 7, the air supply of the air conditioning unit 1 enters the air supply cavity 16 from the roof air supply outlet 2, and then enters the passenger compartment through the left air supply grille 12 and the right air supply grille 13; a part of the air in the passenger compartment enters the left return air cavity 17 and the right return air cavity 18 through the side return air inlets 4 as return air, and then enters the interior of the air conditioning unit 1 through the roof return air inlet 3.
Claims (5)
1. The utility model provides a rail vehicle air supply, return air and roof overall structure which characterized in that: the roof air conditioner comprises a roof section I (5), a roof section II (6) and a middle roof section, wherein the middle roof section is a plate-shaped section, the two sides of the middle roof section are fixedly connected with the roof section I (5) and the roof section II (6), a roof air inlet (2) connected with an air conditioning unit is formed in the upper side of the middle roof section, and a roof air return opening (3) connected with the air conditioning unit is respectively formed in the upper sides of the roof section I (5) and the roof section II (6) on the two sides of the roof air inlet (2); the lower sides of the roof section bar I (5) and the roof section bar II (6) are respectively provided with a left air return cavity (17) and a right air return cavity (18) which protrude downwards, and the outer sides of the left air return cavity (17) and the right air return cavity (18) are respectively provided with a side air return opening (4); the lower sides of the left air return cavity (17) and the right air return cavity (18) are respectively fixedly connected with a left longitudinal section bar (10) and a right longitudinal section bar (11), and an inner installed cross beam (14) is fixedly connected between the left longitudinal section bar (10) and the right longitudinal section bar (11); the middle part of the lower side of the built-in cross beam (14) is fixedly connected with a built-in top plate (15), and a left air supply grille (12) and a right air supply grille (13) are respectively and fixedly connected between the built-in top plate (15) and the left longitudinal sectional material (10) and the right longitudinal sectional material (11); and a cavity enclosed by the roof section bar I (5), the roof section bar II (6), the middle roof section bar, the left air supply grille (12), the right air supply grille (13) and the built-in top plate (15) forms an air supply cavity (16).
2. The rail vehicle supply air, return air and roof integrated structure as claimed in claim 1, wherein: the roof section bar I (5) and the roof section bar II (6) are in bilateral symmetry, the roof section bar I (5) comprises an upper structure (19), a left structure (20), a right structure (21) and a lower structure (22), and the upper structure (19) is a plate-shaped section bar; the left structure (20) is a vertical plate, and three horizontal rib plates used as the bottom surfaces of the wire grooves are arranged on the outer side of the vertical plate; the right structure (21) is a clapboard with the lower side inclined towards the middle part of the vehicle body; substructure (22) is a horizontal plate, and the horizontal plate downside is equipped with spout I (23) and spout II (24), the cavity that superstructure (19), left part structure (20), right part structure (21) and substructure (22) enclose is left return air chamber (17).
3. The integrated air supply, return air and roof structure of the railway vehicle as claimed in claim 2, wherein: the vertical plate of the left part structure (20) extends towards the lower side of the left air return cavity (17), the horizontal rib plate at the lowest side is arranged at the lower end part, and the lower side of the horizontal rib plate is provided with a sliding groove III (25) used for connecting an internal structure.
4. The rail vehicle supply air, return air and roof integrated structure as claimed in claim 1, wherein: the left longitudinal section (10) and the right longitudinal section (11) are in bilateral symmetry, the section of the left longitudinal section (10) is a right triangle, one right-angle side of the right triangle is horizontally and fixedly connected with the lower-side sliding groove I (23) of the lower structure (22), two horizontal rib plates extend from the other right-angle side of the right triangle, and a mounting groove for fixing the built-in cross beam (14) is formed between the two horizontal rib plates.
5. The rail vehicle supply air, return air and roof integrated structure of claim 4, wherein: and a sliding groove IV for fixing the left air supply grille (12) is arranged at the lower side of the lower peak position of the triangular section of the left longitudinal section (10), and faces the middle part of the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073134.2A CN113753085B (en) | 2021-09-14 | 2021-09-14 | Air supply, air return and roof integral structure of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073134.2A CN113753085B (en) | 2021-09-14 | 2021-09-14 | Air supply, air return and roof integral structure of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113753085A CN113753085A (en) | 2021-12-07 |
| CN113753085B true CN113753085B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111073134.2A Active CN113753085B (en) | 2021-09-14 | 2021-09-14 | Air supply, air return and roof integral structure of railway vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN113753085B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0660571U (en) * | 1993-02-02 | 1994-08-23 | 日立化成工業株式会社 | Structure of ceiling air-conditioning duct for railway vehicles |
| JP2001163217A (en) * | 1999-12-06 | 2001-06-19 | Nippon Sharyo Seizo Kaisha Ltd | Body structure for rolling stock |
| JP2012106589A (en) * | 2010-11-17 | 2012-06-07 | Higashi Nippon Transportec Kk | Air conditioner for railroad vehicle |
| CN103921802A (en) * | 2014-05-06 | 2014-07-16 | 唐山轨道客车有限责任公司 | Car roof device and low floor tramcar |
| CN104118441A (en) * | 2014-07-21 | 2014-10-29 | 长春轨道客车股份有限公司 | Platform-free aluminum alloy roof structure of urban subway vehicle |
| CN104554314A (en) * | 2015-01-12 | 2015-04-29 | 南车青岛四方机车车辆股份有限公司 | Urban rail vehicle air conditioning and ventilation system and urban rail vehicle |
| CN210062982U (en) * | 2019-04-29 | 2020-02-14 | 中车青岛四方机车车辆股份有限公司 | Vehicle air supply and return structure and railway vehicle with same |
| CN112066306A (en) * | 2020-08-27 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Integral top plate structure integrating large-scale special-shaped lamp and air supply grille |
| CN113183997A (en) * | 2021-06-09 | 2021-07-30 | 中车株洲电力机车有限公司 | Railway vehicle roof structure |
-
2021
- 2021-09-14 CN CN202111073134.2A patent/CN113753085B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0660571U (en) * | 1993-02-02 | 1994-08-23 | 日立化成工業株式会社 | Structure of ceiling air-conditioning duct for railway vehicles |
| JP2001163217A (en) * | 1999-12-06 | 2001-06-19 | Nippon Sharyo Seizo Kaisha Ltd | Body structure for rolling stock |
| JP2012106589A (en) * | 2010-11-17 | 2012-06-07 | Higashi Nippon Transportec Kk | Air conditioner for railroad vehicle |
| CN103921802A (en) * | 2014-05-06 | 2014-07-16 | 唐山轨道客车有限责任公司 | Car roof device and low floor tramcar |
| CN104118441A (en) * | 2014-07-21 | 2014-10-29 | 长春轨道客车股份有限公司 | Platform-free aluminum alloy roof structure of urban subway vehicle |
| CN104554314A (en) * | 2015-01-12 | 2015-04-29 | 南车青岛四方机车车辆股份有限公司 | Urban rail vehicle air conditioning and ventilation system and urban rail vehicle |
| CN210062982U (en) * | 2019-04-29 | 2020-02-14 | 中车青岛四方机车车辆股份有限公司 | Vehicle air supply and return structure and railway vehicle with same |
| CN112066306A (en) * | 2020-08-27 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Integral top plate structure integrating large-scale special-shaped lamp and air supply grille |
| CN113183997A (en) * | 2021-06-09 | 2021-07-30 | 中车株洲电力机车有限公司 | Railway vehicle roof structure |
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| Publication number | Publication date |
|---|---|
| CN113753085A (en) | 2021-12-07 |
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