CN210397471U

CN210397471U - Heat radiator for motor front end bearing

Info

Publication number: CN210397471U
Application number: CN201921059647.6U
Authority: CN
Inventors: 郭红利; 陆赤音
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-24
Anticipated expiration: 2029-07-09

Abstract

A heat dissipation device for a front end bearing of a motor comprises the motor, the front end bearing and a front end coupler of the motor, wherein the front end bearing and the front end coupler of the motor are installed at the front end of the motor, the heat dissipation device is fixed on the end face, close to the motor, of the front end coupler of the motor, and the heat dissipation device is an annular plastic heat dissipation fin or a T-shaped heat dissipation fin with fan blades. The utility model discloses at the motor during operation, the motor rotates and drives fin and front end shaft coupling or belt pulley synchronous rotation, and the fin rotates and produces wind-force for the air current around the motor front end bearing flows, the effectual temperature that reduces motor front end bearing, reduces the difference in temperature of motor during operation front end bearing and tail end bearing, the life of extension motor.

Description

Heat radiator for motor front end bearing

Technical Field

The utility model relates to an industrial motor field especially relates to a heat abstractor of motor front end bearing.

Background

In the production activity, the three-phase asynchronous motor is widely applied to various industries, the motor can generate heat after long-term operation, in order to radiate the heat of the motor, the tail end of the motor is provided with the fan blade, the fan blade is closer to the tail end bearing of the motor and farther from the front end bearing of the motor, the temperature of the front end bearing of the motor is higher than that of the tail end bearing during the operation, after a part of motors continuously operate for a long time, the temperature of the front end bearing can reach the early warning temperature, the equipment can only be stopped and restarted after being cooled, or a new bearing is replaced. When generally changing motor bearing, in order to guarantee as far as possible that the life of bearing is unanimous, all can select motor front end bearing and motor tail end bearing to change simultaneously, even motor tail end bearing does not appear unusually, also need change, cause certain waste from this.

Disclosure of Invention

The utility model aims at providing a heat abstractor of motor front end bearing prolongs motor front end bearing's life, reduces the difference in temperature of motor during operation front end bearing and tail end bearing, and the bearing cycle is changed to the extension motor, improve equipment operation rate.

In order to accomplish the utility model discloses the technical problem that will solve, the utility model discloses the technical scheme who adopts is, including the motor and install the shaft coupling on the motor output shaft, the terminal surface that is close to the motor on the shaft coupling is fixed with heat abstractor.

Furthermore, the heat dissipation device is an annular plastic heat dissipation fin or a T-shaped plastic heat dissipation fin with fan blades;

furthermore, the fan blades are uniformly arranged on the annular plastic radiating fins.

Furthermore, the annular plastic radiating fin is provided with a mounting hole corresponding to the screw hole on the front end coupler of the motor, and the annular plastic radiating fin is fastened on the front end coupler by screws through the mounting hole.

Furthermore, the T-shaped plastic radiating fins are uniformly glued on the front-end coupler through an adhesive.

The utility model has the advantages that:

1) the utility model discloses motor rotation drives fin and front end shaft coupling or the synchronous rotation of belt pulley in the work, and pivoted fin produces wind-force for the air current around the motor front end bearing flows, the effectual temperature that reduces the motor front end bearing, reduces the difference in temperature of motor during operation front end bearing and tail end bearing, the life of extension motor.

2) The utility model discloses rotate by the motor and drive the fin and rotate, pivoted fin produces wind-force, gives the cooling of motor front end bearing heat dissipation, has prolonged and has changed motor front end bearing cycle, has increased the life of motor, has improved equipment operation rate greatly.

3) The utility model provides a motor front end bearing heat dissipation method is simple and easy, and the low in manufacturing cost of fin, and application scope is wide, as long as take shaft coupling (or belt pulley) motor, can both dispel the heat and cool down the front end bearing of motor through this method, increases motor life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the annular fin of the present invention;

FIG. 3 is a schematic view of a T-shaped heat sink of the present invention;

fig. 4 is a schematic diagram of the T-shaped heat sink of the present invention.

In the figure, 1, a motor, 2, a motor output shaft, 3, a coupler, 4, screw hole positions, 5, an annular radiating fin, 6, a mounting hole, 7, a fan blade, 8, a T-shaped radiating fin and 9, a belt pulley.

Detailed Description

The following describes embodiments of the present invention.

As shown in fig. 1, the heat sink includes a motor 1 and a coupling 3 mounted on an output shaft 2 of the motor, and the heat sink is fixed on an end surface of the coupling 3 close to the motor 1; the heat dissipation device is an annular plastic heat dissipation fin 5 with a fan blade 7 or a T-shaped plastic heat dissipation fin 8;

as shown in fig. 2, the fan blades 7 are uniformly arranged on the annular plastic cooling fin 5, the annular plastic cooling fin 5 is provided with mounting holes 6 corresponding to screw holes 4 on the front end coupler 3 of the motor 1, the annular plastic cooling fin 5 is fastened on the front end coupler 3 through the mounting holes 6 by screws, and when the motor rotates, the motor drives the front end coupler 3 and the annular cooling fin 5 to rotate together to cool the front end bearing of the motor.

As shown in fig. 3, the heat sink is a T-shaped heat sink 8.

As shown in fig. 4, the T-shaped plastic heat sinks 8 are uniformly bonded to the front coupling 3 by an adhesive.

The utility model discloses also be applicable to the motor that contains belt pulley 9, the mounting hole 6 of seting up on the annular fin 5 corresponds with screw position 4 on the belt pulley 9, and available screw fastens fin 5 on belt pulley 9. When the motor rotates, the motor 1 drives the front-end belt pulley 9 and the annular cooling fin 5 to rotate together, so that the front-end bearing of the motor is cooled.

The utility model relates to a heat abstractor of motor front end bearing rotates through motor 1 and drives the fin of installation on front end shaft coupling 3 and dispels the heat to motor front end bearing and cool down, including following step:

step 1: the annular radiating fin 5 is fastened on the front end coupler 3 or the belt pulley 9 through a screw, or the T-shaped radiating fin 8 is bonded on the front end coupler 3 or the belt pulley 9 through an adhesive;

step 2: when the motor is started, the motor 1 rotates to drive the annular radiating fins 5 or the T-shaped radiating fins 8 and the front-end coupler 3 or the belt pulley 9 to synchronously rotate, wind power is generated, airflow around the front-end bearing of the motor is accelerated to flow, and therefore the purpose of radiating the front-end bearing of the motor is achieved.

The embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and the effects described in the embodiments are merely the best effects of the present invention, and the effects of the present invention are not limited to the effects described in the embodiments.

Claims

1. A heat abstractor of motor front end bearing which characterized in that: the motor comprises a motor (1) and a coupler (3) arranged on an output shaft (2) of the motor, wherein a heat dissipation device is fixed on the end face, close to the motor (1), of the coupler (3).

2. The heat dissipating device for a front end bearing of an electric motor according to claim 1, wherein: the heat dissipation device is an annular plastic heat dissipation fin (5) with a fan blade (7) or a T-shaped plastic heat dissipation fin (8).

3. The heat dissipating device for a front end bearing of an electric motor according to claim 2, wherein: the fan blades (7) are uniformly arranged on the annular plastic radiating fins (5).

4. The heat dissipating device for a front end bearing of an electric motor according to claim 2, wherein: the annular plastic radiating fin (5) is provided with a mounting hole (6) corresponding to a screw hole (4) on the front end coupler (3) of the motor (1), and the annular plastic radiating fin (5) is fastened on the front end coupler (3) through the mounting hole (6) by screws.

5. The heat sink for the front end bearing of the motor as claimed in claim 2, wherein the plurality of T-shaped plastic fins (8) are uniformly bonded to the front end coupling (3) by an adhesive.