CN110884516B - Subway car air conditioning unit mounting platform - Google Patents
Subway car air conditioning unit mounting platform Download PDFInfo
- Publication number
- CN110884516B CN110884516B CN201911300794.2A CN201911300794A CN110884516B CN 110884516 B CN110884516 B CN 110884516B CN 201911300794 A CN201911300794 A CN 201911300794A CN 110884516 B CN110884516 B CN 110884516B
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- Prior art keywords
- plates
- flat top
- beams
- air conditioning
- installation seat
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000001502 supplementing effect Effects 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 241000192308 Agrostis hyemalis Species 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims 6
- 238000000429 assembly Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a subway car air conditioning unit mounting platform which characterized in that: the device comprises flat top plates at two sides, vertical plates at two ends, a unit mounting seat fixedly connected with the flat top plates, a sealing frame, four corner supplementing plates and a frame below the flat top plates; the frame contain tip crossbeam, two longerons are constituteed, a plurality of cap type crossbeams, two B-type roof beams and the little curved beam of being connected with roof underbeam, two longerons constitute the structure the same, all are connected through arc welding by longeron and crossbeam, two B-type roof beams symmetry set up, be located between little curved beam and the cap type roof beam, little curved beam is connected on the B-type roof beam, cap type crossbeam both ends are connected with longeron and B-type roof beam respectively, the welding is constituteed with the longeron of both sides to the tip crossbeam, for the unit platform of little opening unit installation, the weight of this kind of unit platform has reduced ten percent, realize best installation and sealed effect and intensity and rigidity requirement with the less weight of unit platform.
Description
Technical Field
The invention belongs to the technical field of urban rail transit vehicle body structures, and particularly relates to a platform structure of a subway vehicle unit.
Background
With the rapid development of rail transit, the demand of the market for rail vehicles is greatly increased, and meanwhile, air conditioning units with various installation forms and various structures are also provided. According to the summary of the previous projects, the sealing structure of the overhead unit type air conditioning unit and the vehicle is divided into air port sealing and integral sealing. According to the air-out return form, the air-out return mode can be divided into a lower air-out lower return mode, an end air-in side return mode and an end air-in lower return mode.
The subway project of the huperzian machine requires that the air inlet at the end part, the air return inlet and the overhauling of the air conditioner are arranged at the lower part of the air conditioner, and the limiting requirement is considered and the overhauling and the replacement of the fresh air filter screen in the vehicle are convenient, so that the design thought of the air conditioning unit is that the air conditioner is inlaid in the vehicle body structure, the unit platform is required to leave the installation space of the air conditioning unit, and the structural design of the unit platform is directly influenced. The large opening and the integral seal have higher requirements on the rigidity of the structure, and the rigidity meets the requirements, so that the sealing performance of the air conditioner can be ensured. The three-point support conditions in vehicle strength also present a significant challenge to the unit platform.
Disclosure of Invention
The invention aims to provide a roof steel structure for meeting the requirement of an air conditioner installation of a metro vehicle, which meets the requirements of a safety standard of a structural design of a heavy rail transit vehicle of an ASME RT-2 2014 and meets the requirement of an installation structure of an air conditioning unit of the metro vehicle.
In order to achieve the above purpose, the invention provides a subway car air conditioning unit mounting platform, which is characterized in that: the device comprises flat top plates at two sides, vertical plates at two ends, a unit mounting seat fixedly connected with the flat top plates, a sealing frame, four corner supplementing plates and a frame below the flat top plates; the frame comprises an end beam, two longitudinal beams, a plurality of cap-shaped beams, two B-shaped beams and a small bent beam connected with a roof lower edge beam, wherein the two longitudinal beams are identical in structure, are formed by connecting the longitudinal beams and the cross beams through arc welding, are symmetrically arranged and are positioned between the small bent beam and the cap-shaped beams, the small bent beam is connected to the B-shaped beams, two ends of the cap-shaped beams are respectively connected with the longitudinal beams and the B-shaped beams, the end beam is welded with the longitudinal beams on two sides, the longitudinal beams and the B-shaped beams form an overlap joint structure close to the end part and are connected with the lower flanging of a riser through arc welding, and one side of the end beam close to the riser is welded with the riser section;
The end beam at one end is connected with the sealing frame at the upper part by arc welding, the end beam at the other end is connected with the two sides of the sealing frame at the upper part by spot welding, and the middle part is connected by arc welding;
the patch boards are positioned at four corners of the joint formed by the end cross beam and the longitudinal beam and are used for solving the problem of stress concentration; the end part of the unit platform is provided with a reinforcing structure which is used for being welded with an adjacent roof beam into an integral structure, so that the requirements of strength and rigidity of three-point support are met.
The end cross beam is in a circular arc top shape at the air inlet of the air conditioner, and the other end is in a flat top shape, so that the installation requirement of the air conditioning unit is met.
The unit mounting seat comprises two forms, wherein one form is a mounting seat with a locating pin, and the other form is a mounting seat without a locating pin. The installation seat, the rib plate and the anti-rotation groove in the two installation seat components are all connected by arc welding, the two installation seat components with the locating pin are arranged at the diagonal position of the unit on the flat top plate, and the 6 installation seat components without the locating pin are arranged at two sides of the unit platform for ensuring the positioning of the air conditioning unit on the unit platform and also for ensuring that the rest installation points of the air conditioning unit can be matched with the installation seats.
The sealing frame comprises four sealing plates, wherein the sealing plates on two sides are arranged above the flat top plate and are connected with the flat top plate and the longitudinal beam through spot welding; the sealing plates at the two ends and the flat top plate are of an integrated structure, and the sealing plates at the two ends are connected with the vertical plate through arc welding.
The exposed side of the lap joint part of the sealing frame and the flat top plate is sealed by arc welding, so as to ensure the tightness of the structure.
The reinforcing structure comprises four reinforcing beams, two reinforcing plates and an end bending beam, wherein a sealing plate is arranged at the lower part of the end bending beam to form a closed cavity structure.
Compared with the prior art, the invention has the advantages and improvements that:
1. The invention can meet the limit requirement, is convenient for overhauling in the vehicle and replacing the fresh air filter screen, reduces the weight of the vehicle body and meets the requirement of vertical rigidity.
2. The unit drainage is that a drainage box is arranged on the inner top plate structure, and the unit drainage is not arranged with the air conditioning unit. The air conditioning unit and the unit platform are fixed by only eight mounting seats, and when the air conditioning unit and the unit platform are mounted, only the anti-rotation nut is required to be placed into an anti-rotation groove in the mounting seat assembly, and the bolts are fastened with the anti-rotation nut, so that the air conditioning unit and the unit platform can be quickly dismounted and mounted conveniently.
3. Compared with a unit platform installed by a small-opening unit, the weight of the unit platform is reduced by ten percent, and the best installation and sealing effect and the strength and rigidity requirements are realized by the smaller weight of the unit platform.
Drawings
FIG. 1 is a perspective view of an air conditioning unit platform;
FIG. 2 is a perspective view of the other end of the air conditioning unit platform;
FIG. 3 is a block diagram of the unit platform with the flat roof and its superstructure removed;
FIG. 4 is a block diagram of an air conditioning unit platform with dowel pin mounts;
FIG. 5 is a block diagram of an air conditioning unit platform without locating pin mounts;
FIG. 6 is a seal frame structure;
FIG. 7 is a schematic view of a riser at the end of a flat top structure;
FIG. 8 is a schematic view of a riser at the end of a dome structure;
FIG. 9 is a schematic illustration of a stringer composition;
FIG. 10 is a schematic illustration of a three-point overhead crane reinforcement structure;
FIG. 11 is a schematic view of the inboard side of a three-point overhead reinforcement structure.
Detailed Description
Referring to fig. 1-3 and 6-9, the specific embodiment of the invention comprises flat top plates 1 and 2 at two sides, vertical plates 8 and 9 at two ends, unit installation seats 3 and 4 fixedly connected with the flat top plates, a sealing frame 7, four corner complementary plates 5 and 6 and a frame under the flat top plates; the frame comprises end beams 10 and 15, longitudinal beam components 14 and 16, cap-shaped beams 12, B-shaped beams 13 and 17 and small bent beams 11 connected with roof lower side beams, the longitudinal beam components 14 and 16 are identical in structure, the longitudinal beam components are connected with the cross beams 1602 through arc welding, the B-shaped beams 13 and 17 are symmetrically arranged and are positioned between the small bent beams 11 and the cap-shaped beams 12, the small bent beams are connected with the B-shaped beams 13 and 17, two ends of the cap-shaped beams 12 are respectively connected with the longitudinal beams and the B-shaped beams, the end beams and the longitudinal beams on two sides form welding, and the longitudinal beam components 14 and 16 and the B-shaped beams 13 and 17 are connected with the vertical plates 8 and 9 through arc welding in a mode that lower turned edges close to the end portions are in lap joint structures, and one sides of the end beams 10 and 15 close to the vertical plates are connected with the vertical plates 8 and 9 through arc welding;
The end beam 10 is connected with the upper sealing frame 702 by arc welding, the end beam 15 is connected with the two sides of the upper sealing frame 704 by spot welding, and the middle part is connected by arc welding;
The patch boards 5 and 6 are arranged at the joint formed by the end cross beam and the longitudinal beam and are used for solving the problem of stress concentration; the end part of the unit platform is provided with a reinforcing structure which is used for being welded with an adjacent roof beam into an integral structure, so that the requirements of strength and rigidity of three-point support are met.
The end cross beam is in a circular arc top shape at the air inlet of the air conditioner, and the other end is in a flat top shape, so that the installation requirement of the air conditioning unit is met.
Referring to fig. 4 and 5, the unit mount includes two forms, one is a mount assembly 3 with a positioning pin 301 and the other is a mount assembly 4 without a positioning pin. The mounting seat bodies 302, 401, the rib plates 304, 403 and the anti-rotation grooves 303, 402 in the two mounting seat compositions are all connected by arc welding. Two mount pad components 3 with locating pins are arranged at the diagonal position of the air conditioner unit on the flat top plate, and 6 mount pad components 4 without locating pins are arranged at two sides of the air conditioner unit platform and used for ensuring that other mounting points of the air conditioner unit can be matched with the mount pads.
Referring to fig. 6, the sealing frame 7 includes four sealing plates, and the sealing plates 701 and 703 on both sides are connected to the flat top plates 1 and 2 and the side members 1601 by spot welding; the sealing plates 702 and 704 at two ends and the flat top plate are of an integrated structure, and the sealing plates 702 and 704 at two ends are in arc welding connection with the vertical plates 8 and 9, so that the tightness of the unit platform is guaranteed, and the inner sides and the outer sides of four sealing plates at four corners are welded, so that the tightness of the sealing frame is guaranteed.
The exposed side of the lap joint part of the sealing frame 7 and the flat top plate is sealed by arc welding, so as to ensure the tightness of the structure.
Referring to fig. 10 and 11, the reinforcing structure includes reinforcing beams 18, 20, 21 and 23, two reinforcing beams 22, two reinforcing plates 19 and an end bending beam 24, the reinforcing beams 18 and 20 are symmetrical structures, the reinforcing beams 21 and 23 are symmetrical structures, the reinforcing plates 19 are flat structures, and the reinforcing beams 22 are arc-welded and connected with the end bending beam by a groove-shaped section structure. The lower part of the end bending beam 24 is provided with a sealing plate 25 to form a closed cavity structure.
The structure and the connection mode of the invention meet the requirements of the U.S. standard ASME RT-2 2014 safety Standard of heavy rail transit vehicle structural design, so that the frame structure under the flat roof can ensure the effective bearing and the longitudinal load transmission of the unit platform, also ensure the integral rigidity of the unit and meet the mounting structure requirements of the air conditioning unit of the U.S. metro vehicle.
Claims (7)
1. The utility model provides a subway car air conditioning unit mounting platform which characterized in that: the device comprises flat top plates at two sides, vertical plates at two ends, a unit mounting seat fixedly connected with the flat top plates, a sealing frame, four corner supplementing plates and a frame below the flat top plates; the frame comprises an end beam, two longitudinal beams, a plurality of cap-shaped beams, two B-shaped beams and a small bent beam connected with a roof lower edge beam, wherein the two longitudinal beams are identical in structure, are formed by connecting the longitudinal beams and the cross beams through arc welding, are symmetrically arranged and are positioned between the small bent beam and the cap-shaped beams, the small bent beam is connected to the B-shaped beams, two ends of the cap-shaped beams are respectively connected with the longitudinal beams and the B-shaped beams, the end beam is welded with the longitudinal beams on two sides, the longitudinal beams and the B-shaped beams form an overlap joint structure close to the end part and are connected with the lower flanging of a riser through arc welding, and one side of the end beam close to the riser is welded with the riser section;
The end beam at one end is connected with the sealing frame at the upper part by arc welding, the end beam at the other end is connected with the two sides of the sealing frame at the upper part by spot welding, and the middle part is connected by arc welding;
the patch boards are positioned at four corners of the joint formed by the end cross beam and the longitudinal beam and are used for solving the problem of stress concentration; the end part of the unit platform is provided with a reinforcing structure which is used for being welded with an adjacent roof beam into an integral structure, so that the requirements of strength and rigidity of three-point support are met.
2. The subway car air conditioning unit mounting platform according to claim 1, wherein: the end cross beam is in a circular arc top shape at the air inlet of the air conditioner, and the other end is in a flat top shape, so that the installation requirement of the air conditioning unit is met.
3. The subway car air conditioning unit mounting platform according to claim 1, wherein: the unit installation seat comprises two forms, wherein one form is an installation seat assembly with a locating pin, the other form is an installation seat assembly without the locating pin, the installation seat, the rib plate and the anti-rotation groove in the two installation seat assemblies are all connected by arc welding, the two installation seat assemblies with the locating pin are arranged at the diagonal position of the unit on the flat top plate, and the six installation seat assemblies without the locating pin are arranged at two sides of the unit platform.
4. The subway car air conditioning unit mounting platform according to claim 1, wherein: the sealing frame comprises four sealing plates, wherein the sealing plates on two sides are arranged above the flat top plate and are connected with the flat top plate and the longitudinal beam through spot welding; the sealing plates at the two ends and the flat top plate are of an integrated structure, and the sealing plates at the two ends are connected with the vertical plate through arc welding.
5. The subway car air conditioning unit mounting platform according to claim 1, wherein: the exposed side of the lap joint part of the sealing frame and the flat top plate is sealed by arc welding, so as to ensure the tightness of the structure.
6. The subway car air conditioning unit mounting platform according to claim 1, wherein: the unit installation seat comprises two forms, wherein one is an installation seat assembly with a locating pin, the other is an installation seat assembly without the locating pin, the installation seats, the rib plates and the anti-rotation grooves in the two installation seat assemblies are all connected by arc welding, and the two installation seat assemblies with the locating pin and the two installation seat assemblies without the locating pin are respectively installed at the diagonal positions of the unit on the flat top plate.
7. The subway car air conditioning unit mounting platform according to claim 1, wherein: the reinforcing structure comprises four reinforcing beams, two reinforcing plates and an end bending beam, wherein a sealing plate is arranged at the lower part of the end bending beam to form a closed cavity structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911300794.2A CN110884516B (en) | 2019-12-17 | 2019-12-17 | Subway car air conditioning unit mounting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911300794.2A CN110884516B (en) | 2019-12-17 | 2019-12-17 | Subway car air conditioning unit mounting platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110884516A CN110884516A (en) | 2020-03-17 |
| CN110884516B true CN110884516B (en) | 2024-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911300794.2A Active CN110884516B (en) | 2019-12-17 | 2019-12-17 | Subway car air conditioning unit mounting platform |
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| Country | Link |
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| CN (1) | CN110884516B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364510A (en) * | 2020-03-26 | 2020-07-03 | 成都鑫都建设工程有限公司 | Backfill structure for upper cover of subway and construction method |
| CN111688740A (en) * | 2020-06-30 | 2020-09-22 | 中车长春轨道客车股份有限公司 | Urban rail vehicle air conditioner and ventilation system of single air conditioning unit |
| CN111994104A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Novel aluminum alloy roof for railway vehicle |
| CN114906181B (en) * | 2022-06-30 | 2024-01-30 | 中车浦镇阿尔斯通运输系统有限公司 | Rail vehicle air conditioner well frame construction |
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| WO2019127202A1 (en) * | 2017-12-27 | 2019-07-04 | 中车长春轨道客车股份有限公司 | Rail train and unitary air conditioning unit complete equipment thereof |
| CN211335985U (en) * | 2019-12-17 | 2020-08-25 | 中车长春轨道客车股份有限公司 | Subway vehicle air conditioning unit mounting platform |
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2019
- 2019-12-17 CN CN201911300794.2A patent/CN110884516B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006273099A (en) * | 2005-03-29 | 2006-10-12 | Mitsubishi Electric Corp | External duct structure for vehicular air-conditioner |
| CN2889817Y (en) * | 2006-03-13 | 2007-04-18 | 石家庄国祥运输设备有限公司 | Top-placed type air conditioner set mounting structure for underground train |
| CN201626413U (en) * | 2009-12-23 | 2010-11-10 | 长春轨道客车股份有限公司 | Top structure of carbon steel vehicle |
| CN202593527U (en) * | 2012-05-18 | 2012-12-12 | 南车株洲电力机车有限公司 | Sunken air conditioner installation structure of railway vehicle |
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| CN110884516A (en) | 2020-03-17 |
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