阅读说明：本技术 一种轨道车辆送风、回风及车顶整体结构 (Air supply, air return and roof integral structure of railway vehicle ) 是由 梁士国 崔军胜 李超 樊军 于 2021-09-14 设计创作，主要内容包括：本发明提供一种轨道车辆送风、回风及车顶整体结构,包括车顶型材Ⅰ、车顶型材Ⅱ和中部车顶型材,所述中部车顶型材为板状型材,两侧固定连接车顶型材Ⅰ和车顶型材Ⅱ,中部车顶型材上侧设有连接空调机组的车顶进风口,车顶进风口两侧的车顶型材Ⅰ和车顶型材Ⅱ上侧分别设有连接空调机组的车顶回风口；所述车顶型材Ⅰ和车顶型材Ⅱ下侧分别设有向下突出的左回风腔和右回风腔,左、右回风腔和内装顶板围成的空腔构成送风腔。本发明占用空间小安装方便,重量轻,强度高,成本低。(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 internal top plate form an air supply cavity. The invention has small occupied space, convenient installation, light weight, high strength and low cost.)

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 crossbeam (14) is fixedly connected with a built-in top plate (15), and a left air supply grid (12) and a right air supply grid (13) are respectively and fixedly connected between the built-in top plate (15) and the left longitudinal section (10) and the right longitudinal section (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; the lower structure (22) is a horizontal plate, a sliding groove I (23) and a sliding groove II (24) are arranged on the lower side of the horizontal plate, and a cavity enclosed by the upper structure (19), the left structure (20), the right structure (21) and the lower structure (22) is a left air return cavity (17).

3. The rail vehicle supply air, return air and roof integrated structure 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 bilaterally symmetrical in structure, the section of the left longitudinal section (10) is a right-angled triangle, one right-angled edge of the left longitudinal section is horizontally and fixedly connected with a sliding groove I (23) on the lower side of the lower part structure (22), two horizontal rib plates extend from the other right-angled edge of the left longitudinal section, 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 chute IV for fixing the left air supply grille (12) is arranged at the lower side of the lower vertex position of the triangular section of the left longitudinal section (10), and faces the middle part of the vehicle body.

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 and return and roof integral structure of the railway vehicle, so that the roof has the advantages of simple 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, the 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 the 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 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 a cavity enclosed by the built-in top plate form 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 lower structure is a horizontal plate, a sliding groove I and a sliding groove II are arranged on the lower side of the horizontal plate, and a cavity enclosed by the upper structure, the left structure, the right structure and the lower structure is a left air return cavity.

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 used for fixing the left air supply grid is formed in the lower side of the lower vertex 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 space between the air duct and the surrounding parts in the traditional roof structure can be fully utilized due to the fact that no independent air supply duct or air return duct exists, the height of the roof structure can be reduced by 80mm under the condition that the sectional area of the air duct is not changed, the net height in a passenger room of the car roof can be increased by 2180mm from 2100mm, and the riding feeling of passengers is improved.

(2) The installation is convenient, and the transition section bar, the wire groove and the roof section bar are extruded and formed together by a machine 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 pattern of the 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 opening; 5. a roof section bar I; 6. a roof section bar 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. superstructure, 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 air return opening 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; a left air supply grille I12 and a 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 section comprises a roof section III 7, a roof section IV 8 and a roof section V9, the roof section III 7 and the roof section V9 are welded on two sides of the roof section IV 8, the outer side of the roof section III 7 is welded with the roof section I5, the outer side of the roof section V9 is welded with the roof section II 6, and the roof section III 7, the roof section IV 8 and the roof section V9 are used as a part of a roof structure and are also used as a top structure of an air supply cavity.

Referring to fig. 1 and 2, two air conditioning units 1 are arranged on each roof, two ends of each air conditioning unit are connected with a roof air supply outlet 2 and a roof air return opening 3, the roof air return opening 3 is arranged on a roof section bar I5 and a roof section bar 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 openings 3 are arranged on each roof.

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 together with other roof sections to form a roof, and is used as a top structure of the air return 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 used as the bottom surface of wire casing, and the left gusset setting of below level is equipped with spout III at vertical board lower extreme, and its downside, and spout III is used for the installation of built-in part, and left part structure 20 both had been regarded as the left surface in return air chamber 17, also played the effect of wire casing. 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 blow 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 also be used for hoisting the built-in components, and the lower part of the horizontal plate is provided with a sliding groove I23 and a sliding groove 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 air return 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 and the built-in left longitudinal section bar 10 are structurally symmetrical, 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 top plate 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.