CN211230919U - Cooling ventilator for traction motor of diesel locomotive - Google Patents
Cooling ventilator for traction motor of diesel locomotive Download PDFInfo
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- CN211230919U CN211230919U CN201922356921.2U CN201922356921U CN211230919U CN 211230919 U CN211230919 U CN 211230919U CN 201922356921 U CN201922356921 U CN 201922356921U CN 211230919 U CN211230919 U CN 211230919U
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Abstract
The utility model relates to a diesel locomotive traction motor cooling ventilation blower, including motor, the casing of connecting the motor and install the impeller on the motor, casing one side has the outside of air intake through bolted connection, the casing connects the motor through the posterior lateral plate that is equipped with, the hub connection of motor drives the impeller, the axle sleeve that the impeller was equipped with is impressed the axle of motor and is fixed at the tip through the fastener, the axle sleeve periphery evenly is connected with the blade, the blade both sides are fixed with rim plate and wheel cap respectively, the wheel cap side is fixed with the sealing washer, is used for connecting the sealed inside port of air intake; the utility model relates to a simple structure, stable operation, high efficiency, small pressure loss and convenient maintenance; under the condition that the installation space of the fan and the airflow direction of the air outlet are limited, the structure of the fan impeller and the shell is optimized, the performance requirement of the fan is met, meanwhile, airflow is prevented from vertically entering an air duct, and the pressure loss is reduced.
Description
Technical Field
The utility model relates to a ventilation blower technical field, concretely relates to diesel locomotive traction motor cooling ventilation blower.
Background
At present, the fan is installed in an electric room of a diesel locomotive to provide cooling air for a traction motor. According to the ventilation requirement of the traction motor, the operation working condition point of the fan is as follows: the static pressure at a flow rate of 4.5m3/s was not less than 4600 Pa. According to traditional fan design, the installation space and the air outlet air current direction of fan are limited, and the fan overall height can not be greater than 580mm during the design, and fan air outlet air current direction can not directly down, and the structure, pressure, the air current direction of current fan are difficult to satisfy above-mentioned requirement, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a for solving the problem among the prior art and proposing, its aim at provides a diesel locomotive traction motor cooling ventilation blower, has solved the problem that the air current got into the wind channel perpendicularly, and simple structure, operation are stable, efficient, loss of pressure is little and be convenient for maintain.
The utility model provides a diesel locomotive traction motor cooling ventilation blower, includes the motor, connects the casing of motor and installs the impeller on the motor, there is the outside of air intake casing one side through bolted connection, the motor is connected through the posterior lateral plate that is equipped with to the casing, the hub connection of motor drives the impeller, the axle sleeve that the impeller was equipped with is impressed the axle of motor and is fixed at the tip through the fastener, the axle sleeve periphery evenly is connected with the blade, the blade both sides are fixed with rim plate and wheel cap respectively, the wheel cap side is fixed with the sealing washer for it is sealed to connect the inside port of air intake.
Preferably, the casing further comprises a volute plate, an air outlet flange fixed at the lower part of the casing, lifting lugs arranged at two sides of the upper part of the casing, a front side plate for fixing the air inlet and a reinforcing plate connected to the outer side of the rear side plate, wherein an electronic tag mounting seat is arranged on the outer side of the reinforcing plate.
Preferably, the inclination angle of the volute plate and the air outlet flange is 56.2 degrees.
Preferably, the rear side plate is connected to a flange of the motor through a reinforcing plate.
Preferably, the wheel cover, the blades, the wheel disc and the sealing ring are welded into an integral structure, and the blades are formed by pressing a 3mm circular arc bent plate.
Preferably, the axial clearance between the air inlet and the impeller is 4mm, and the radial clearance is 3.5 mm.
Preferably, the motor is a three-phase asynchronous motor, and the rotating speed of the fan is 3020 r/min.
The ventilator is a forward centrifugal ventilator, the air inlet adopts an arc-shaped structure, vortex and pressure loss near the air inlet and the impeller cover can be reduced, and the air inlet is arranged on the shell; the impeller is formed by welding high-strength alloy steel, and the impeller cover is provided with the sealing ring, so that the pressure loss is reduced, and the efficiency of the impeller is improved; the impeller blades are formed by pressing a 3mm circular arc bent plate, the manufacturing process is simple, and the blades are forward blades, so that the fan has high pressure while meeting the requirement of space size of a client; the casing is formed by welding high-strength alloy steel, so that the integral strength of the fan can meet the requirement of vibration impact of the diesel locomotive; the air outlet of the machine shell inclines 52.6 degrees with the direction of the air flow, so that the air flow is turned in advance, the air flow is prevented from vertically entering an air duct, and the pressure loss is reduced; the motor is a three-phase asynchronous motor, the rotating speed of a fan is 3020r/min, and the vibration at a rated working point is less than 3.5 mm/s; the utility model relates to a simple structure, stable operation, high efficiency, small pressure loss and convenient maintenance; under the condition that the installation space of the fan and the airflow direction of the air outlet are limited, the structure of the fan impeller and the shell is optimized, the performance requirement of the fan is met, meanwhile, airflow is prevented from vertically entering an air duct, and the pressure loss is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a cooling ventilator of a traction motor of a diesel locomotive.
Fig. 2 is a cross-sectional view of the impeller.
Fig. 3 is a schematic structural diagram of the housing.
Fig. 4 is a left side view of fig. 3.
Description of the reference numerals
1-an air inlet, 2-an impeller, 3-a machine shell, 4-a motor, 21-a wheel cover, 22-a blade, 23-a wheel disc, 24-a sealing ring, 25-a shaft sleeve, 31-a front side plate, 32-a volute plate, 33-a rear side plate, 34-a reinforcing plate, 35-an electronic tag mounting seat, 36-an air outlet flange and 37-a lifting lug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an implementation mode, refer to fig. 1-4, a diesel locomotive traction motor cooling ventilation blower, the cooling ventilation blower is forward type centrifugal ventilation blower, including motor 4, the casing 3 of connecting motor 4 and install impeller 2 on motor 4, casing 3 one side is connected with the outside of air intake 1 through the bolt, the air intake designs into convex structure, casing 3 is connected with motor 4 through the posterior lateral plate 33 that is equipped with, the hub connection of motor 4 drives impeller 2, the axle sleeve 25 that impeller 2 is equipped with is impressed the axle of motor 4 and is fixed at the tip through the fastener, the periphery of axle sleeve 25 evenly is connected with blade 22, wheel disc 23 and wheel lid 21 are fixed respectively to the both sides of blade 22, the wheel lid 21 side is fixed with the sealing washer, be used for connecting the inside port of sealed air intake 1, wheel lid 21 is last to have sealing washer 24, guarantee that the clearance of impeller 2 and, reduce the leakage of pressure, improve performance, efficiency.
The casing 3 is formed by welding high-strength low-temperature-resistant alloy steel, so that the overall strength of the fan is ensured to meet the requirement of subway vibration impact, and the use requirement of a low-temperature environment at minus 40 ℃ is met. The machine shell 3 also comprises a volute plate 32, an air outlet flange 36 fixed at the lower part of the machine shell 3, lifting lugs 37 arranged at two sides of the upper part of the machine shell 3, a front side plate 31 for fixing an air inlet and a reinforcing plate 34 connected at the outer side of the rear side plate 33, wherein an electronic tag mounting seat 35 is arranged at the outer side of the reinforcing plate 34; the inclination angles of the volute plate 32 and the air outlet flange 36 are 56.2 degrees, so that the airflow is turned in advance, the airflow is prevented from vertically entering an air duct, and the pressure loss is reduced; the rear side plate 33 is connected to a flange of the motor 4 via a reinforcing plate 34.
The wheel cover 21, the blades 22, the wheel disc 23 and the sealing ring 24 are welded into an integral structure, and the blades 22 are formed by pressing a 3mm circular arc bent plate. The motor 4 is a three-phase asynchronous motor, and the rotating speed of a fan is 3020 r/min.
The axial clearance between the air inlet 1 and the impeller 2 is 4mm, and the radial clearance is 3.5mm, so that the eddy and pressure loss near the wheel cover 21 of the air inlet 1 and the impeller 2 are reduced.
This ventilation fan is forward formula centrifugal fan, and air intake 1 adopts convex structure, can reduce near vortex and the pressure loss of air intake 1 and impeller 2 wheel cap 21, and air intake 1 is installed on casing 3. The impeller 2 is formed by welding high-strength alloy steel, and the impeller 2 wheel cover 21 is provided with the sealing ring 24, so that the pressure loss is reduced, and the efficiency of the impeller 2 is improved. 2 blades 22 of impeller choose 3mm circular arc bent plate press forming, and preparation simple process, blade 22 are preceding blade for the fan has very high pressure when satisfying customer space dimensional requirement. The casing 3 is formed by welding high-strength alloy steel, so that the integral strength of the fan is ensured to meet the vibration impact requirement of the diesel locomotive. The air outlet of the machine shell 3 is inclined by 52.6 degrees with the direction of the air flow, so that the air flow is turned in advance, the air flow is prevented from vertically entering the air channel, and the pressure loss is reduced. The flange of the motor 4 is mounted on the housing 3 by means of bolts. The motor 4 is a three-phase asynchronous motor, the rotating speed of a fan is 3020r/min, and the vibration at a rated working point is less than 3.5 mm/s.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a diesel locomotive traction motor cooling ventilation blower, its characterized in that, includes motor (4), connects casing (3) of motor (4) and installs impeller (2) on motor (4), there is the outside of air intake (1) casing (3) one side through bolted connection, motor (4) are connected through posterior lateral plate (33) that are equipped with in casing (3), the hub connection of motor (4) drives impeller (2), axle sleeve (25) that impeller (2) were equipped with impresses the axle of motor (4) and fix at the tip through the fastener, axle sleeve (25) periphery evenly is connected with blade (22), blade (22) both sides are fixed with rim plate (23) and wheel lid (21) respectively, wheel lid (21) side is fixed with the sealing washer for connect sealedly the inside port of air intake (1).
2. The cooling ventilator for the traction motor of the diesel locomotive according to claim 1, wherein the casing (3) further comprises a volute plate (32), an air outlet flange (36) fixed at the lower part of the casing (3), lifting lugs (37) arranged at two sides of the upper part of the casing (3), a front side plate (31) for fixing the air inlet, and a reinforcing plate (34) connected to the outer side of the rear side plate (33), and an electronic tag mounting seat (35) is arranged at the outer side of the reinforcing plate (34).
3. The diesel locomotive traction motor cooling ventilator of claim 2, wherein the volute plate (32) and outlet flange (36) are angled at 56.2 °.
4. The diesel locomotive traction motor cooling ventilator according to claim 2, characterized in that the rear side plate (33) is connected with the flange of the motor (4) through a stiffening plate (34).
5. The cooling ventilator for the traction motor of the diesel locomotive according to claim 1, wherein the wheel cover (21), the blades (22), the wheel disc (23) and the sealing ring (24) are welded into a whole structure, and the blades (22) are formed by pressing a 3mm circular arc bent plate.
6. The cooling ventilator for the traction motor of the diesel locomotive according to claim 1, characterized in that the axial clearance between the air inlet (1) and the impeller (2) is 4mm, and the radial clearance is 3.5 mm.
7. The diesel locomotive traction motor cooling ventilator according to claim 1, characterized in that the motor (4) is a three-phase asynchronous motor, and the fan speed is 3020 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356921.2U CN211230919U (en) | 2019-12-25 | 2019-12-25 | Cooling ventilator for traction motor of diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356921.2U CN211230919U (en) | 2019-12-25 | 2019-12-25 | Cooling ventilator for traction motor of diesel locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230919U true CN211230919U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922356921.2U Active CN211230919U (en) | 2019-12-25 | 2019-12-25 | Cooling ventilator for traction motor of diesel locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230919U (en) |
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2019
- 2019-12-25 CN CN201922356921.2U patent/CN211230919U/en active Active
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