CN113120011A - Air conditioner mounting structure of railway vehicle - Google Patents
Air conditioner mounting structure of railway vehicle Download PDFInfo
- Publication number
- CN113120011A CN113120011A CN202110602031.4A CN202110602031A CN113120011A CN 113120011 A CN113120011 A CN 113120011A CN 202110602031 A CN202110602031 A CN 202110602031A CN 113120011 A CN113120011 A CN 113120011A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- air conditioner
- main body
- upper cover
- intermediate layer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an air conditioner mounting structure of a railway vehicle, which is provided with a mounting frame, wherein the mounting frame comprises an upper cover plate, a middle layer and a lower cover plate; the upper cover plate, the middle layer and the lower cover plate all comprise: the roof frame comprises a main body part, an inner end connecting part positioned on the inner side of the main body part and an outer end connecting part positioned on the outer side of the main body part, wherein the inner end connecting parts of the main body part, the inner end connecting part and the outer end connecting part are sequentially connected from top to bottom, and the main body part, the inner end connecting part and the outer end connecting part are; the middle layer comprises a core body and a cladding body cladded outside the core body, and a thread sleeve is pre-buried in the cladding body; the air conditioner is supported on the upper cover plate and is fixedly connected with the threaded sleeve through a connecting bolt; the cladding body, the upper cover plate and the lower cover plate of the middle layer are all made of carbon fiber composite materials. This scheme of adoption can ensure the installation reliability and the installation steadiness of air conditioner, and does benefit to the vehicle lightweight.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to an air conditioner mounting structure of a railway vehicle.
Background
The rail vehicle is usually provided with an air conditioner mounting interface on the roof, and an air conditioner is mounted on the roof, so that the space in the vehicle can be saved. The air conditioner is arranged on the roof, the requirements on the stability and the reliability of the air conditioner installation structure are higher, and the air conditioner cannot fall off from the roof when the vehicle is required to bear large impact.
The conventional mounting structure is: the mounting frame is formed by welding I-beams and the like, then the mounting frame is integrally welded on the roof framework, and the air conditioner is fixed on the mounting frame. The mounting structure is easy to generate stress concentration points, the mounting stability and reliability can not be ensured to meet the design requirements, and the mounting operation is difficult.
In view of this, how to ensure the stability and reliability of the air conditioner installation structure to meet the design requirements and simplify the installation operation as much as possible is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problem, the invention provides an air conditioner mounting structure of a railway vehicle, which is provided with a mounting frame, wherein an air conditioner is supported on the mounting frame and is fixedly connected with the mounting frame; the mounting frame comprises an upper cover plate, a middle layer and a lower cover plate; the upper cover plate, the middle layer and the lower cover plate all comprise: the roof frame comprises a main body part, inner end connecting parts located on the inner side of the main body part and outer end connecting parts located on the outer side of the main body part, wherein the inner end connecting parts of the main body part, the inner end connecting parts of the main body part and the outer end connecting parts of the main body part are sequentially connected from top to bottom, and the main body part, the inner end connecting.
In one embodiment, the outer end connecting portion of the upper cover and the outer end connecting portion of the intermediate layer are connected above the roof frame, and the outer end connecting portion of the lower cover is connected below the roof frame.
In one embodiment, the upper cover plate is bonded to the roof frame and to the intermediate layer by structural adhesive, the intermediate layer is riveted to the roof frame and to the lower cover plate by rivets, and the contact surface is sealed by sealant, and the lower cover plate is riveted to the roof frame by rivets and the contact surface is sealed by sealant.
In one embodiment, a mounting groove is formed at the outer edge of the upper cover plate, a sealing element is mounted in the mounting groove, and the air conditioner tightly presses the upper cover plate and the sealing element.
In one embodiment, the main body portion of the upper cover plate, the main body portion of the lower cover plate, and the main body portion of the intermediate layer are each provided with at least one bend.
In one embodiment, the outer edge of the middle layer is turned downward to form a flange, and the flange is positioned on the outer side of the lower cover plate and extends to the lower part of the lower cover plate.
In one embodiment, the intermediate layer includes a cladding body having an inner cavity and a core body fixed in the inner cavity of the cladding body, a threaded sleeve is embedded in the core body, the air conditioner is fixedly connected with the mounting frame through a connecting bolt, and the connecting bolt is screwed to the threaded sleeve.
In one embodiment, the inner end of the cladding forms the inner end connection of the intermediate layer and the outer end of the cladding forms the outer end connection of the intermediate layer, the inner cavity of the cladding being located between the inner and outer ends thereof.
In one embodiment, the upper end of the screw sleeve protrudes above the middle layer, and the upper cover plate is provided with a through hole matched with the protruding part of the screw sleeve.
In one embodiment, the upper cover plate, the lower cover plate and the cladding body of the middle layer are made of carbon fiber composite materials.
This scheme, because the upper cover plate of installing frame, intermediate level and the outer end connecting portion of lower cover plate are connected with the roof skeleton separately, like this, are difficult to appear stress concentration point after connecting, so the installation reliability can be ensured. And because the inner end connecting parts of the upper cover plate, the middle layer and the lower cover plate of the mounting frame are sequentially connected together from top to bottom, after the connection is completed, the upper cover plate, the middle layer and the lower cover plate form an integral structure, so that the mounting frame can be ensured to have enough bearing capacity integrally, and the mounting stability can be ensured.
Drawings
FIG. 1 is a schematic view of an air conditioner mounting structure of a railway vehicle according to the present invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
FIG. 3 is a view from the B-B direction of FIG. 1;
fig. 4 is a schematic view of the mounting frame in fig. 2.
The reference numerals are explained below:
10, a mounting frame, 101, an upper cover plate, a mounting groove, 102, an intermediate layer, 1021 a cladding body, 1022 a core body, 1023 flanges, 103, a lower cover plate, a main body part, b inner end connecting parts and c outer end connecting parts;
20 connecting bolts;
30 a seal member;
40, riveting;
50 thread sleeve
60 a roof frame;
70 air conditioning.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, the air conditioner mounting structure for a railway vehicle according to the present invention is provided with a mounting frame 10 and a connecting bolt 20, and an air conditioner 70 is supported on the mounting frame 10 and fixedly connected to the mounting frame 10, specifically, the air conditioner can be connected by the connecting bolt 20, such that the connection is reliable and the assembly and disassembly are convenient, but other fixing forms are also possible, such as press-fitting.
As shown in fig. 2 or 3, the mounting frame 10 includes an upper cover plate 101, an intermediate layer 102, and a lower cover plate 103. As shown in fig. 4, each of the upper cover plate 101, the intermediate layer 102, and the lower cover plate 103 includes: a main body part a, an inner end connecting part b and an outer end connecting part c.
The inner end connecting part b is positioned on the inner side of the main body part a, and the outer end connecting part c is positioned on the outer side of the main body part a. The outer side means a side relatively close to the roof frame 60, and the inner side means a side relatively far from the roof frame 60.
The inner end connecting part b of the upper cover plate 101, the inner end connecting part b of the middle layer 102 and the inner end connecting part b of the lower cover plate 103 are sequentially connected from top to bottom, and the inner end connecting part b can be arranged to be straight in order to facilitate the connection of the three.
The outer end connection portion c of the upper cover 101, the outer end connection portion c of the intermediate layer 102, and the outer end connection portion c of the lower cover 103 are each separately connected to the roof frame 60. The outer-end connecting portion c may be provided in a straight shape for the convenience of connection.
As described in the background art, the conventional air conditioner mounting structure is: the mounting frame is formed by welding I-beams and the like, then the mounting frame is integrally welded on the roof framework, and the air conditioner is fixed on the mounting frame. This mounting structure is prone to stress concentration points, and therefore, mounting stability and reliability are poor.
According to the scheme, the outer end connecting parts c of the upper cover plate 101, the middle layer 102 and the lower cover plate 103 of the mounting frame 10 are respectively and independently connected with the roof framework 60, so that stress concentration points are not easy to occur after connection, and the mounting reliability is guaranteed. Moreover, since the upper cover plate 101, the intermediate layer 102 and the inner end connecting portion b of the lower cover plate 103 of the mounting frame 10 are sequentially connected together from top to bottom, after the connection, the upper cover plate 101, the intermediate layer 102 and the lower cover plate 103 form an integral structure, which can ensure that the mounting frame 10 has sufficient bearing capacity as a whole, and thus, the mounting stability can be ensured.
Specifically, as shown in fig. 2 or 3, the outer end connecting portion c of the upper cover 101 and the outer end connecting portion c of the intermediate layer 102 are connected to the upper side of the roof frame 60, and the outer end connecting portion c of the lower cover 103 is connected to the lower side of the roof frame 60. With this arrangement, a plurality of connection points are formed, and therefore, the mounting reliability is higher, and moreover, the roof frame 60 can be supported between the intermediate layer 102 and the lower cover plate 103, and thus, the roof frame 60 functions as a reinforcing structure to reinforce the strength of the mounting frame 10, and therefore, the mounting stability is higher.
Specifically, as shown in fig. 2 or 3, the outer end connection portion c of the intermediate layer 102 is riveted to the upper side of the roof frame 60 by a rivet 40, the outer end connection portion c of the lower cover 103 is riveted to the lower side of the roof frame 60 by a rivet 40, and the inner end connection portion b of the lower cover 103 is riveted to the inner end connection portion b of the intermediate layer 102 by a rivet 40. The rivet 40 connecting the intermediate layer 102 and the roof frame 60 may be selected as a countersunk rivet to prevent the upper end of the rivet 40 from protruding above the intermediate layer 102 to interfere with the upper cover 101. The upper cover plate 101 is bonded to the roof frame 60 by structural adhesive and is also bonded to the middle layer 102 by structural adhesive.
This scheme utilization rivet 40 is glued with the structure and has been fixed roof frame and the three independent part of installing frame 10 together, sets up like this, compares air conditioner mounting structure in the past, has avoided the welding to cause the problem that the installing frame heat altered shape leads to the stress state to worsen, and the installation degree of difficulty is low moreover, and installation quality is easily controlled.
Specifically, as shown in fig. 3, the intermediate layer 102 includes a cover 1021 and a core 1022. The inner end of the cover 1021 forms an inner end connection portion b of the intermediate layer 102, and the outer end of the cover 1021 forms an outer end connection portion c of the intermediate layer 102. The cladding 1021 is provided with an inner cavity. The inner cavity of the envelope 1021 is between its inner and outer ends. The core 1022 is located in the inner cavity of the cover 1021, in intimate contact with the cover 1021. The core 1022 has a threaded sleeve 50 embedded therein, and the connecting bolt 20 is connected to the threaded sleeve 50. The core 1022 has a rigidity greater than that of the cover 1021. With such a design, the mounting stability and reliability can be further improved, and the light weight of the mounting frame 10 is facilitated.
In detail, the core 1022 may be made of a metal material, such as a steel core or an iron core. The cladding 1021 can adopt carbon fiber composite material, and carbon fiber composite material has higher structural strength and light in weight, so more do benefit to the lightweight of installing frame 10. The upper cover plate 101 and the lower cover plate 103 may be made of a carbon fiber composite material.
In detail, as shown in fig. 3, the upper end of the screw insert 50 may protrude above the intermediate layer 102, and a through hole adapted to the protruding portion of the screw insert 50 is provided on the upper cover plate 101, so that the upper cover plate 101 may be preliminarily positioned by means of the through hole and the protruding screw insert 50 when the upper cover plate 101 is mounted, thereby facilitating the mounting operation.
As shown in fig. 2 or fig. 3, an installation groove is formed at the outer edge of the upper cover plate 101, a sealing member 30 is installed in the installation groove, the air conditioner 70 is pressed against the upper cover plate 101 and the sealing member 30 by the fastening force of the connection bolt 20, and the sealing connection is realized by the sealing member 30. The upper end of the sealing member 30 may be provided with a recess so that the sealing function can be better performed under the pressing of the air conditioner 70.
In addition, the contact surfaces of the middle layer 102 and the lower cover plate 103, the middle layer 102 and the roof framework 60, and the lower cover plate 103 and the roof framework 60 are coated with sealant to realize sealing connection. The sealing connection can slow down the erosion of rainwater, sand, dust and the like to the connection position, and is favorable for guaranteeing the installation reliability and the stability of the air conditioner 70 for a long time.
As shown in fig. 2 or fig. 3, the outer edge of the middle layer 102 is turned downward to form a flange 1023, and the flange 1023 is located on the outer side of the lower cover plate 103 and extends below the lower cover plate 103. Due to the design, on one hand, the structural strength of the middle layer 102 is enhanced, and on the other hand, the lower cover plate 103 can be protected.
As shown in fig. 4, the body portion a of the upper cover plate 101, the body portion a of the lower cover plate 103, and the body portion a of the intermediate layer 102 are each provided with at least one bend. With this arrangement, the structural strength of the upper cover plate 101, the lower cover plate 103, and the intermediate layer 102 can be enhanced, so that the mounting reliability and stability can be further improved.
The air conditioner mounting structure of the rail vehicle according to the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The air conditioner mounting structure of the railway vehicle is characterized in that a mounting frame (10) is arranged, and an air conditioner (70) is supported on the mounting frame (10) and fixedly connected with the mounting frame (10); the mounting frame (10) comprises an upper cover plate (101), an intermediate layer (102) and a lower cover plate (103); the upper cover plate (101), the intermediate layer (102) and the lower cover plate (103) each include: the roof frame comprises a main body part (a), an inner end connecting part (b) positioned on the inner side of the main body part (a) and an outer end connecting part (c) positioned on the outer side of the main body part (a), wherein the inner end connecting parts (b) of the main body part (a), the inner end connecting part (b) of the main body part (a), the outer end connecting part (c) of the main body part (a), the inner end connecting part (b) of.
2. The air conditioner mounting structure of a railway vehicle as claimed in claim 1, wherein the outer end connection portion (c) of the upper cover (101) and the outer end connection portion (c) of the intermediate layer (102) are connected above the roof frame (60), and the outer end connection portion (c) of the lower cover (103) is connected below the roof frame (60).
3. The air conditioner mounting structure of a railway vehicle as claimed in claim 2, wherein the upper cover plate (101) is bonded to the roof frame (60) and to the intermediate layer (102) by a structural adhesive, the intermediate layer (102) is riveted to the roof frame (60) and to the lower cover plate (103) by rivets (40) and the contact surface is sealed by a sealant, and the lower cover plate (103) is riveted to the roof frame (60) by rivets (40) and the contact surface is sealed by a sealant.
4. The air conditioner mounting structure of a railway vehicle as claimed in claim 3, wherein a mounting groove is provided at an outer edge of the upper cover plate (101), a sealing member (30) is mounted in the mounting groove, and the air conditioner (70) is pressed against the upper cover plate (101) and the sealing member (30).
5. The air conditioner mounting structure of a railway vehicle as claimed in claim 1, wherein the main body portion (a) of the upper cover plate (101), the main body portion (a) of the lower cover plate (103), and the main body portion (a) of the intermediate layer (102) are each provided with at least one bend.
6. The air conditioner mounting structure of a railway vehicle as claimed in claim 1, wherein the outer edge of the middle layer (102) is turned downward to form a flange (1023), and the flange (1023) is located outside the lower cover plate (103) and extends below the lower cover plate (103).
7. The air conditioner mounting structure of the rail vehicle as claimed in any one of claims 1 to 6, wherein the intermediate layer (102) comprises a cladding body (1021) having an inner cavity and a core body (1022) fixed in the inner cavity of the cladding body (1021), a threaded sleeve (50) is embedded in the core body (1022), the air conditioner (70) is fixedly connected with the mounting frame (10) through a connecting bolt (20), and the connecting bolt (20) is screwed to the threaded sleeve (50).
8. The air conditioner mounting structure of a railway vehicle as claimed in claim 7, wherein an inner end portion of the cladding (1021) forms an inner end connection portion (b) of the intermediate layer (102), an outer end portion of the cladding (1021) forms an outer end connection portion (c) of the intermediate layer (102), and an inner cavity of the cladding (1021) is located between the inner end portion and the outer end portion thereof.
9. The air conditioner mounting structure of a railway vehicle as claimed in claim 7, wherein the upper end of the screw boss (50) protrudes above the intermediate layer (102), and the upper cover plate (101) is provided with a through hole adapted to the protruding portion of the screw boss (50).
10. The air conditioner mounting structure of the railway vehicle as claimed in claim 7, wherein the cladding (1021) of the upper cover plate (101), the lower cover plate (103) and the intermediate layer (102) is made of a carbon fiber composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110602031.4A CN113120011B (en) | 2021-05-31 | 2021-05-31 | Air conditioner mounting structure of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110602031.4A CN113120011B (en) | 2021-05-31 | 2021-05-31 | Air conditioner mounting structure of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113120011A true CN113120011A (en) | 2021-07-16 |
| CN113120011B CN113120011B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110602031.4A Active CN113120011B (en) | 2021-05-31 | 2021-05-31 | Air conditioner mounting structure of railway vehicle |
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| Country | Link |
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| CN (1) | CN113120011B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030938A (en) * | 2007-07-30 | 2009-02-12 | Toshiba Carrier Corp | Air conditioning device |
| CN201895561U (en) * | 2010-12-03 | 2011-07-13 | 柳州五菱汽车有限责任公司 | Recreational vehicle ceiling |
| CN103332201A (en) * | 2013-07-24 | 2013-10-02 | 南车株洲电力机车有限公司 | Metro car roof structure without boundary beam |
| CN104709303A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | Roof and air conditioner installation seat of railway vehicle |
| DE102014206462A1 (en) * | 2014-04-03 | 2015-10-08 | Bombardier Transportation Gmbh | Car body for a rail vehicle with specially designed support member for a roof |
| CN204801790U (en) * | 2012-08-09 | 2015-11-25 | 西门子公司 | Rail vehicle of at least one air -tight service duct with in high roof region |
| CN207208078U (en) * | 2017-08-02 | 2018-04-10 | 中车唐山机车车辆有限公司 | A kind of railway car top removable cover and railway car |
| CN209581491U (en) * | 2018-12-04 | 2019-11-05 | 中车青岛四方机车车辆股份有限公司 | A kind of air-conditioning installing frame of rail vehicle |
| CN210101640U (en) * | 2019-05-14 | 2020-02-21 | 长春路通轨道车辆配套装备有限公司 | Air conditioner mounting seat structure with glass fiber reinforced plastic head cover |
| CN112537373A (en) * | 2020-12-04 | 2021-03-23 | 中车南京浦镇车辆有限公司 | Train body and rubber wheel train |
-
2021
- 2021-05-31 CN CN202110602031.4A patent/CN113120011B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030938A (en) * | 2007-07-30 | 2009-02-12 | Toshiba Carrier Corp | Air conditioning device |
| CN201895561U (en) * | 2010-12-03 | 2011-07-13 | 柳州五菱汽车有限责任公司 | Recreational vehicle ceiling |
| CN204801790U (en) * | 2012-08-09 | 2015-11-25 | 西门子公司 | Rail vehicle of at least one air -tight service duct with in high roof region |
| CN103332201A (en) * | 2013-07-24 | 2013-10-02 | 南车株洲电力机车有限公司 | Metro car roof structure without boundary beam |
| DE102014206462A1 (en) * | 2014-04-03 | 2015-10-08 | Bombardier Transportation Gmbh | Car body for a rail vehicle with specially designed support member for a roof |
| CN104709303A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | Roof and air conditioner installation seat of railway vehicle |
| CN207208078U (en) * | 2017-08-02 | 2018-04-10 | 中车唐山机车车辆有限公司 | A kind of railway car top removable cover and railway car |
| CN209581491U (en) * | 2018-12-04 | 2019-11-05 | 中车青岛四方机车车辆股份有限公司 | A kind of air-conditioning installing frame of rail vehicle |
| CN210101640U (en) * | 2019-05-14 | 2020-02-21 | 长春路通轨道车辆配套装备有限公司 | Air conditioner mounting seat structure with glass fiber reinforced plastic head cover |
| CN112537373A (en) * | 2020-12-04 | 2021-03-23 | 中车南京浦镇车辆有限公司 | Train body and rubber wheel train |
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| Publication number | Publication date |
|---|---|
| CN113120011B (en) | 2023-06-06 |
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