CN217335303U - Motor cooling air duct grid structure convenient to weld - Google Patents
Motor cooling air duct grid structure convenient to weld Download PDFInfo
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- CN217335303U CN217335303U CN202221170613.6U CN202221170613U CN217335303U CN 217335303 U CN217335303 U CN 217335303U CN 202221170613 U CN202221170613 U CN 202221170613U CN 217335303 U CN217335303 U CN 217335303U
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- fixing plate
- filter tube
- upper fixing
- air duct
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- 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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Abstract
The application provides a grid structure of a motor cooling air duct convenient to weld, which comprises an inner filter tube, an outer filter tube and a middle filter tube, wherein a grid labyrinth structure is formed; the upper fixing plate and the lower fixing plate of the filter tube both adopt a double-layer structure, and the upper end and the lower end of the middle filter tube are respectively welded on the first upper fixing plate and the first lower fixing plate in the welding process; then the upper and lower ends of the inner and outer filter tubes are respectively welded on the second upper fixing plate and the second lower fixing plate; the staggered installation of the three layers of filter pipes is realized, the requirement on the multilayer arrangement interval of the labyrinth filter pipes of the air duct grating is met, and the reliable welding and the stable structural strength of the air duct grating filter pipes are achieved based on the existing welding technology and processing equipment on the premise of ensuring the ventilation quantity and the waterproof filtering function of the air duct grating, and the reliable welding and the stable structural strength of the air duct grating filter pipes are met.
Description
Technical Field
The application relates to a convenient welded motor cooling air duct grid structure, which is suitable for the technical field of cooling air duct grid structures.
Background
At present, a cooling air duct grid of a traction motor of a high-speed train adopts a labyrinth grid arrangement structure.
For example, 201811503092.X discloses a rail train and a fresh air intake and snow melting device for the train, which are respectively welded on a single-layer bottom plate at two ends of a filter tube. The filter tubes are arranged in multiple layers, and the welding space is insufficient, so that the welding efficiency is low.
The filter tubes are arranged in a multilayer mode, the welding seam intervals are small, the welding seams are dense, welding residual stress is concentrated, the welding seams are prone to cracking, and the filter tubes are led to move on the fixed base plate in a string mode and are separated. The filter tubes are arranged in multiple layers and have small intervals, the weld performance reduction caused by overlapping of weld joints and weld joint heat affected zones cannot meet the problem of fatigue strength, and the filter tubes are moved on the fixed bottom plate in a string mode due to weld joint cracking in the vehicle running process.
In view of this, the present application is specifically made.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides a grid structure of a motor cooling air duct, which is convenient to weld.
According to a first aspect of the embodiments of the present application, a grid structure of a motor cooling air duct is provided, which facilitates welding, and includes an inner filter tube, an outer filter tube and a middle filter tube, forming a grid labyrinth structure; the device is characterized by further comprising a second upper fixed plate, a first lower fixed plate and a second lower fixed plate which are arranged from top to bottom in sequence;
the middle filter tubes extend along the vertical direction and are arranged at intervals; the upper end of the middle filter tube sequentially penetrates through the first upper fixing plate and the second upper fixing plate, and the lower end of the middle filter tube sequentially penetrates through the first lower fixing plate and the second lower fixing plate; the upper end and the lower end of the middle filter tube are respectively welded on the first upper fixing plate and the first lower fixing plate;
the inner filter tube and the outer filter tube extend along the vertical direction respectively and are arranged at intervals; the inner side filter tube and the outer side filter tube respectively penetrate through the lower ends of the first upper fixing plate and the second upper fixing plate in sequence and penetrate through the first lower fixing plate and the second lower fixing plate in sequence; and the upper end and the lower end of the inner filter tube and the outer filter tube are respectively welded on the second upper fixing plate and the second lower fixing plate.
Preferably, the first upper fixing plate and the second upper fixing plate are respectively provided with mounting holes corresponding to the middle filter tube; the first lower fixing plate and the second lower fixing plate are respectively provided with mounting holes corresponding to the middle filter tube;
the upper end face of the middle filter tube is arranged between the upper surface of the second upper fixing plate and the lower surface of the second upper fixing plate.
Preferably, the inner filter tube group is distributed in an array along the longitudinal direction; the outer filter tubes are distributed in an array mode along the longitudinal direction to form outer filter tube groups; the middle filter tubes are distributed in an array mode along the longitudinal direction to form middle filter tube groups;
the inner filter tube and the outer filter tube are arranged correspondingly, and the middle filter tube and the outer filter tube are arranged in a staggered mode.
Preferably, the upper end surface of the inner side filter tube is higher than the upper surface of the second upper fixing plate; one side of the inner side filter tube is opened.
Adopt the convenient welded motor cooling air duct grid structure that provides in the embodiment of this application, have following beneficial effect down:
according to the grid structure of the cooling air duct of the motor, which is convenient to weld, the upper fixing plate and the lower fixing plate of the filter tube are of double-layer structures, and the upper end and the lower end of the middle filter tube are respectively welded on the first upper fixing plate and the first lower fixing plate in the welding process; then the upper and lower ends of the inner and outer filter tubes are respectively welded on the second upper fixing plate and the second lower fixing plate; the staggered installation of the three layers of filter pipes is realized, the requirement on the multilayer arrangement interval of the labyrinth filter pipes of the air duct grating is met, and the reliable welding and the stable structural strength of the air duct grating filter pipes are achieved based on the existing welding technology and processing equipment on the premise of ensuring the ventilation quantity and the waterproof filtering function of the air duct grating, and the reliable welding and the stable structural strength of the air duct grating filter pipes are met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a grid of a motor cooling air duct provided by the present application, which facilitates welding;
FIG. 2 is a schematic view of a middle filter tube installation plane structure provided in the present application;
FIG. 3 is a schematic view of the installation plane of the outer filter tube and the inner filter tube.
In the figure:
1. an inner side filter tube; 2. a middle filter tube; 3. an outer filter tube; 4. a first lower fixing plate; 5. a second lower fixing plate; 6. a first upper fixing plate; 7. a second upper fixing plate;
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
FIG. 1 is a schematic structural view of a grid of a motor cooling air duct provided by the present application, which facilitates welding; FIG. 2 is a schematic view of a middle filter tube installation plan provided herein; FIG. 3 is a schematic view of the installation plane of the outer filter tube and the inner filter tube.
As shown in fig. 1-3, the embodiment of the present application provides a grid structure of a motor cooling air duct, which is convenient for welding, and includes an inner filter tube 1, an outer filter tube 3, and a middle filter tube 2, forming a grid labyrinth structure; the device also comprises a second upper fixing plate 7, a first upper fixing plate 6, a first lower fixing plate 4 and a second lower fixing plate 5 which are arranged in sequence from top to bottom;
the middle filter tubes 2 extend along the vertical direction and are arranged at intervals; the upper end of the middle filter tube 2 sequentially passes through the first upper fixing plate 6 and the second upper fixing plate 7, and the lower end sequentially passes through the first lower fixing plate 4 and the second lower fixing plate 5; the upper end and the lower end of the middle filter tube 2 are respectively welded on a first upper fixing plate 6 and a first lower fixing plate 4;
the inner filter tube 1 and the outer filter tube 3 extend along the vertical direction respectively and are arranged at intervals; the inner side filter tube 1 and the outer side filter tube 3 respectively penetrate through the lower ends of a first upper fixing plate 6 and a second upper fixing plate 7 in sequence and penetrate through a first lower fixing plate 4 and a second lower fixing plate 5 in sequence; the upper ends and the lower ends of the inner filter tube 1 and the outer filter tube 3 are respectively welded on the second upper fixing plate 7 and the second lower fixing plate 5.
During the installation process, firstly, the upper end and the lower end of the middle filter tube are respectively welded on the first upper fixing plate 6 and the first lower fixing plate 4; then the inner side and the upper and lower ends of the outgoing filter tube are respectively welded on the first upper fixing plate 6 and the second upper fixing plate 7; the staggered installation of three layers of filter tubes is realized;
the problem of weld cracking caused by dense weld joints and concentrated welding residual stress is solved. Through three-dimensional space staggered welding, the welding deformation is reduced, and the product quality is improved; meanwhile, the problem that the welding seam performance is reduced and the fatigue strength is not met due to the fact that the filter tubes are arranged in a multi-layer mode and the distance between the filter tubes is small, and the filter tubes are moved on the fixed bottom plate due to the fact that welding seams and welding seam heat affected zones are overlapped is solved.
As an embodiment of the present application, the first upper fixing plate 6 and the second upper fixing plate 7 are respectively provided with mounting holes corresponding to the middle filter tube 2; the first lower fixing plate 4 and the second lower fixing plate 5 are respectively provided with mounting holes corresponding to the middle filter tube 2;
the upper end surface of the middle filter tube 2 is arranged between the upper surface of the second upper fixing plate 7 and the lower surface of the second upper fixing plate 7.
As an embodiment of the present application, the inner filter tubes 1 are arranged in an array along the longitudinal direction; the outer filter tubes 3 are distributed in an array along the longitudinal direction to form outer filter tube groups; the middle filter tubes 2 are distributed in an array along the longitudinal direction to form a middle filter tube group;
the inner filter tube 1 and the outer filter tube 3 are arranged correspondingly, and the middle filter tube 2 and the outer filter tube 3 are arranged in a staggered manner.
As an embodiment of the present application, the upper end surface of the inner filter tube 1 is higher than the upper surface of the second upper fixing plate 7; the inner filter tube 1 is open at one side.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (4)
1. A grid structure of a motor cooling air duct convenient to weld comprises an inner filter tube (1), an outer filter tube (3) and a middle filter tube (2) to form a grid labyrinth structure; the device is characterized by further comprising a second upper fixing plate (7), a first upper fixing plate (6), a first lower fixing plate (4) and a second lower fixing plate (5) which are sequentially arranged from top to bottom;
the middle filter tubes (2) extend along the vertical direction and are arranged at intervals; the upper end of the middle filter tube (2) sequentially passes through the first upper fixing plate (6) and the second upper fixing plate (7), and the lower end sequentially passes through the first lower fixing plate (4) and the second lower fixing plate (5); the upper end and the lower end of the middle filter tube (2) are respectively welded on the first upper fixing plate (6) and the first lower fixing plate (4);
the inner filter tube (1) and the outer filter tube (3) extend along the vertical direction respectively and are arranged at intervals; the inner side filter tube (1) and the outer side filter tube (3) respectively penetrate through a first upper fixing plate (6) and the lower end of a second upper fixing plate (7) in sequence and penetrate through a first lower fixing plate (4) and a second lower fixing plate (5) in sequence; the upper end and the lower end of the inner side filter tube (1) and the outer side filter tube (3) are respectively welded on the second upper fixing plate (7) and the second lower fixing plate (5).
2. The grid structure of the motor cooling air duct facilitating welding according to claim 1,
the first upper fixing plate (6) and the second upper fixing plate (7) are respectively provided with mounting holes corresponding to the middle filter tube (2); the first lower fixing plate (4) and the second lower fixing plate (5) are respectively provided with mounting holes corresponding to the middle filter tube (2);
the upper end surface of the middle filter tube (2) is arranged between the upper surface of the second upper fixing plate (7) and the lower surface of the second upper fixing plate (7).
3. The welding-facilitating grid structure of motor cooling air ducts according to claim 1, characterized in that the inner filter tubes (1) are arranged in an array in the longitudinal direction; the outer filter tubes (3) are distributed in an array manner along the longitudinal direction to form outer filter tube groups; the middle filter tubes (2) are distributed in an array manner along the longitudinal direction to form middle filter tube groups;
the inner filter tubes (1) and the outer filter tubes (3) are arranged correspondingly, and the middle filter tubes (2) and the outer filter tubes (3) are arranged in a staggered manner.
4. The grid structure of the motor cooling air duct facilitating welding according to claim 1, wherein the upper end surface of the inner filter tube (1) is higher than the upper surface of the second upper fixing plate (7); one side of the inner side filter tube (1) is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221170613.6U CN217335303U (en) | 2022-05-16 | 2022-05-16 | Motor cooling air duct grid structure convenient to weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221170613.6U CN217335303U (en) | 2022-05-16 | 2022-05-16 | Motor cooling air duct grid structure convenient to weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335303U true CN217335303U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221170613.6U Active CN217335303U (en) | 2022-05-16 | 2022-05-16 | Motor cooling air duct grid structure convenient to weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335303U (en) |
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2022
- 2022-05-16 CN CN202221170613.6U patent/CN217335303U/en active Active
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