CN214036223U - Built-in centrifugal fan of motor for locomotive - Google Patents
Built-in centrifugal fan of motor for locomotive Download PDFInfo
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- CN214036223U CN214036223U CN202022844470.XU CN202022844470U CN214036223U CN 214036223 U CN214036223 U CN 214036223U CN 202022844470 U CN202022844470 U CN 202022844470U CN 214036223 U CN214036223 U CN 214036223U
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Abstract
The utility model discloses a built-in centrifugal fan of motor for locomotive, including casing, motor support frame, impeller, be equipped with air intake, air outlet on the casing, still include the motor and support the inner tube, the motor supports inner tube both ends opening and fixes in the casing, set up the curb plate opening that is linked together with the motor support inner tube on the casing, the motor stretches into the motor through the curb plate opening and supports the inner tube and support inner tube fixed connection through motor support frame and motor, the output shaft of motor passes the motor and supports the inner tube and be connected with the impeller, the utility model has the advantages of simple structure, the whole size of fan is little, the installation maintenance is convenient, the fan is efficient etc.
Description
Technical Field
The utility model relates to a centrifugal fan technical field, specific built-in centrifugal fan of motor for locomotive that says so.
Background
Centrifugal fan is a common ventilation equipment, and centrifugal fan receives the limitation of locomotive space and overall arrangement when using on the locomotive, and centrifugal fan's structure receives the restriction, requires that the fan size is less, and along with the locomotive requires more to the ventilation cooling system simultaneously, the lifting performance requires that the fan has higher efficiency.
The existing centrifugal fan comprises a casing, an impeller, a motor and a motor support frame, wherein an air inlet and an air outlet are formed in the casing, the motor is arranged outside the casing and is fixedly connected with the casing through the motor support frame, and an output shaft of the motor extends into the casing and is connected with the impeller. The existing structure has the following defects: the motor is arranged outside the casing, the whole axial size of the fan is large, the occupied space is large, and the fan is not suitable for installation in a narrow space environment.
In the prior art, some centrifugal fans with built-in motors also appear, and through search, CN2009200612093 discloses a built-in centrifugal fan, wherein a motor is arranged in a casing and is fixedly connected with the casing through a motor support frame.
Disclosure of Invention
The utility model aims at solving the deficiencies of the prior art, providing a locomotive built-in centrifugal fan that simple structure, the whole size of fan are little, the installation is maintained conveniently, the fan is efficient.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a built-in centrifugal fan of motor for locomotive, includes casing, motor support frame, impeller, be equipped with air intake, air outlet on the casing, its characterized in that: still support the inner tube including the motor, the motor supports inner tube both ends opening and fixes in the casing, set up the curb plate opening that is linked together with the motor support inner tube on the casing, the motor stretches into the motor through the curb plate opening and supports inner tube and support inner tube fixed connection through motor support frame and motor, the output shaft of motor passes the motor and supports the inner tube and be connected with the impeller, supports the inner tube through setting up the motor and embeds the motor, can shorten centrifugal fan axial dimension, satisfies the installation requirement in the narrow space of locomotive, simple to operate and easy maintenance, and the setting of motor inner tube can play the effect of water conservancy diversion simultaneously, improves the fan performance.
The one end that the inner tube is close to the impeller is supported to the motor is equipped with motor flange mounting panel, motor flange mounting panel and motor fixed connection to play the enhancement supporting role to the fixed of motor.
The casing includes curb plate, casing posterior lateral plate, spiral case board before the casing, the spiral case board is established before the casing between curb plate and the casing posterior lateral plate, curb plate fixed connection before the front end of spiral case board and the casing, rear end and casing posterior lateral plate fixed connection, curb plate, spiral case board, casing posterior lateral plate are connected before the casing and are formed the casing cavity, be equipped with the air intake before the casing on the curb plate, the exit end of spiral case board is equipped with the air outlet, the curb plate opening is established on the casing posterior lateral plate, and centrifugal fan is spiral case formula centrifugal fan, and the motor stretches into in the casing from the casing rear side, and centrifugal fan whole size is little.
The casing still includes housing bottom plate, the lower extreme of casing preceding curb plate, casing posterior lateral plate, spiral case board respectively with housing bottom plate fixed connection, through setting up housing bottom plate to centrifugal fan installs with being connected of equipment in the convenient locomotive.
The whole shape of volute board is buckled and is the U-shaped, curb plate, casing posterior lateral plate before the casing are the U-shaped board that matches with the volute board, the lower extreme of curb plate before both ends, the casing about the volute board, casing, the lower extreme of casing posterior lateral plate respectively with casing bottom plate fixed connection, casing bottom plate, casing anterior lateral plate, casing posterior lateral plate, spiral case board are connected and are formed the casing cavity, be equipped with the bottom plate opening on the casing bottom plate, the bottom plate opening is the air outlet, sets the volute board into the U-shaped, makes the lower extreme of casing anterior lateral plate, casing posterior lateral plate, the left end of spiral case board, right-hand member all with casing bottom plate fixed connection, on the basis that does not increase the casing size, has increased the area of contact with the casing bottom plate again, the stability of reinforcing centrifugal fan installation.
The utility model discloses still include the lubricated oil pipe, the lubricated oil pipe is connected with the motor to it is lubricated to make things convenient for to refuel built-in motor.
Be provided with the casing lug on volute casing board and/or casing preceding curb plate and/or the casing posterior lateral plate to make things convenient for centrifugal fan's transportation.
The utility model has the advantages that: the motor is arranged in the motor support inner cylinder, so that the axial size of the centrifugal fan can be shortened, the installation requirement of a narrow space of a locomotive is met, and meanwhile, the arrangement of the motor inner cylinder can play a role in guiding flow, so that the performance of the fan is improved; through setting up the casing bottom plate to make things convenient for the installation of being connected of centrifugal fan and equipment in the locomotive.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure in another direction of the present invention.
Fig. 3 is a schematic view of the structure of the housing of the present invention.
Fig. 4 is a cross-sectional view of fig. 1.
Reference numerals: the device comprises a machine shell-1, a machine shell bottom plate-101, a machine shell front side plate-102, a volute casing plate-103, a machine shell rear side plate-104, a motor support inner cylinder-105, a motor flange mounting plate-106, a motor base mounting plate-107, a motor base support plate-108, a machine shell reinforcing rib-109, a machine shell lifting lug-110, an impeller-2, an air inlet-3, a motor-4 and a lubricating oil pipe-5.
Detailed Description
The present invention will be described with reference to the accompanying drawings and examples.
As shown in the attached drawing, the motor built-in centrifugal fan for the locomotive comprises a shell 1, a motor 4, a motor supporting frame and an impeller 2, the machine shell 1 is provided with an air inlet 3 and an air outlet, and also comprises a motor supporting inner cylinder 105, two ends of the motor supporting inner cylinder 105 are opened and fixed in the machine shell 1, the shell 1 is provided with a side plate opening communicated with the motor supporting inner cylinder 105, the motor extends into the motor supporting inner cylinder 105 through the side plate opening and is fixedly connected with the motor supporting inner cylinder 105 through a motor supporting frame, the output shaft of the motor penetrates through the motor supporting inner cylinder 105 to be connected with the impeller 2, the motor is arranged in the motor supporting inner cylinder, can shorten centrifugal fan axial dimensions, satisfy the installation requirement in the narrow space of locomotive, simple to operate and easy maintenance, the setting of motor inner tube can play the effect of water conservancy diversion simultaneously, improves the fan performance.
The motor supports that one end that inner tube 105 is close to the impeller is equipped with motor flange mounting panel 106, motor flange mounting panel 106 and motor fixed connection to play the enhancement supporting role to the fixed of motor, use the flange mounting panel of motor and the flange of motor front end fixed in this embodiment, guarantee the stability of motor.
The casing 1 comprises a casing front side plate 102, a casing rear side plate 104 and a volute plate 103, the volute plate 103 is arranged between the casing front side plate 102 and the casing rear side plate 104, the front end of the volute plate 103 is fixedly connected with the casing front side plate 102, the rear end of the volute plate is fixedly connected with the casing rear side plate 104, the casing front side plate 102, the volute plate 103 and the casing rear side plate 104 are connected to form a casing cavity, an air inlet 3 is arranged on the casing front side plate, an air outlet is arranged at the outlet end of the volute plate 103, an opening of the side plate is arranged on the casing rear side plate 104, the centrifugal fan is a volute type centrifugal fan, the motor extends into the casing from the casing rear side, and the centrifugal fan is small in overall size. In the embodiment, the motor supporting inner cylinder is fixedly connected with the rear side plate of the machine shell, and the opening of the motor supporting inner cylinder is communicated with the opening of the side plate on the rear side plate of the machine shell.
The machine shell 1 further comprises a machine shell bottom plate 101, the lower ends of the machine shell front side plate 102, the machine shell rear side plate 104 and the volute plate 103 are respectively fixedly connected with the machine shell bottom plate 101, and the connection and installation of the centrifugal fan and equipment in the locomotive are facilitated by the arrangement of the machine shell bottom plate.
The integral shape of the volute plate 103 is bent into a U shape, the casing front side plate 102 and the casing rear side plate 104 are both U-shaped plates matched with the volute plate 103, the left end and the right end of the volute plate 103, the lower end of the casing front side plate 102 and the lower end of the casing rear side plate 104 are fixedly connected with the casing bottom plate 101 respectively, the casing bottom plate 101, the casing front side plate 102, the casing rear side plate 104 and the volute plate 103 are connected to form a casing cavity, a bottom plate opening is formed in the casing bottom plate, the bottom plate opening is an air outlet, the volute plate is arranged into a U shape, the lower ends of the casing front side plate and the casing rear side plate and the left end and the right end of the volute plate are fixedly connected with the casing bottom plate, on the basis that the size of the casing is not increased, the contact area with the casing bottom plate is increased, and the installation stability of the centrifugal fan is enhanced. The angle of the air outlet of the centrifugal fan in the embodiment is 270 degrees on the right.
The embodiment also comprises a lubricating oil pipe 5, and the lubricating oil pipe 5 is connected with the motor 4 so as to conveniently lubricate the built-in motor.
The volute plate 103 and/or the front casing side plate 102 and/or the rear casing side plate 104 are/is provided with a casing lifting lug 110 to facilitate the transportation of the centrifugal fan. In this embodiment, the casing lifting lugs are arranged on the casing rear side plate and the volute casing plate.
The motor support frame includes motor base backup pad 108, motor base mounting panel 107, motor base backup pad 108 supports inner tube 105 fixed connection with the motor, motor base mounting panel 107 establish on motor base backup pad 108 and with motor base backup pad 108 fixed connection, motor base mounting panel 107 and motor fixed connection to play better supporting role to the fixed of motor.
In this embodiment, the chassis is further provided with chassis reinforcing ribs 109, and the chassis reinforcing ribs 109 are fixedly connected with the bottom chassis base plate 101, so as to increase the strength and rigidity of the chassis.
The utility model discloses when the installation, stretch into motor support inner tube 105 with motor 4 from the curb plate opening in to fix motor 4 through motor base mounting panel 107, motor flange mounting panel 106, the output shaft of motor is connected with impeller 2, fixes the fan on the locomotive through housing bottom plate 101, when needing to maintain the maintenance, gives the motor oiling through lubricating-oil pipe 5.
Claims (7)
1. The utility model provides a built-in centrifugal fan of motor for locomotive, includes casing, motor support frame, impeller, be equipped with air intake, air outlet on the casing, its characterized in that: the motor support inner cylinder is further included, two ends of the motor support inner cylinder are opened and fixed in the shell, a side plate opening communicated with the motor support inner cylinder is formed in the shell, the motor extends into the motor support inner cylinder through the side plate opening and is fixedly connected with the motor support inner cylinder through the motor support frame, and an output shaft of the motor penetrates through the motor support inner cylinder and is connected with the impeller.
2. The built-in centrifugal fan of the motor for the locomotive according to claim 1, characterized in that: the motor supports the one end that the inner tube is close to the impeller and is equipped with motor flange mounting panel, motor flange mounting panel and motor fixed connection.
3. The built-in centrifugal fan of the motor for the locomotive according to claim 1 or 2, characterized in that: the shell comprises a shell front side plate, a shell rear side plate and a volute plate, wherein the volute plate is arranged between the shell front side plate and the shell rear side plate, the front end of the volute plate is fixedly connected with the shell front side plate, the rear end of the volute plate is fixedly connected with the shell rear side plate, the shell front side plate, the volute plate and the shell rear side plate are connected to form a shell cavity, an air inlet is formed in the shell front side plate, an air outlet is formed in the outlet end of the volute plate, and an opening of the side plate is formed in the shell rear side plate.
4. The built-in centrifugal fan of motor for locomotive according to claim 3, characterized in that: the casing also comprises a casing bottom plate, and the lower ends of the casing front side plate, the casing rear side plate and the volute casing plate are respectively fixedly connected with the casing bottom plate.
5. The built-in centrifugal fan of motor for locomotive according to claim 4, characterized in that: the integral shape of the volute plate is bent to be U-shaped, the front side plate and the rear side plate of the casing are both U-shaped plates matched with the volute plate, the left end and the right end of the volute plate, the lower end of the front side plate of the casing and the lower end of the rear side plate of the casing are fixedly connected with the bottom plate of the casing respectively, the bottom plate of the casing, the front side plate of the casing, the rear side plate of the casing and the volute plate are connected to form a cavity of the casing, a bottom plate opening is arranged on the bottom plate of the casing, and the bottom plate opening is an air outlet.
6. The built-in centrifugal fan of the motor for the locomotive according to claim 1, 2, 4 or 5, wherein: the motor is characterized by further comprising a lubricating oil pipe, and the lubricating oil pipe is connected with the motor.
7. The built-in centrifugal fan of the motor for the locomotive according to claim 4 or 5, characterized in that: and a casing lifting lug is arranged on the volute casing plate and/or the casing front side plate and/or the casing rear side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844470.XU CN214036223U (en) | 2020-12-02 | 2020-12-02 | Built-in centrifugal fan of motor for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844470.XU CN214036223U (en) | 2020-12-02 | 2020-12-02 | Built-in centrifugal fan of motor for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036223U true CN214036223U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022844470.XU Active CN214036223U (en) | 2020-12-02 | 2020-12-02 | Built-in centrifugal fan of motor for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036223U (en) |
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2020
- 2020-12-02 CN CN202022844470.XU patent/CN214036223U/en active Active
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