CN219659512U - Heat radiation structure of DC brushless hammer breaking motor - Google Patents
Heat radiation structure of DC brushless hammer breaking motor Download PDFInfo
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- CN219659512U CN219659512U CN202223560388.XU CN202223560388U CN219659512U CN 219659512 U CN219659512 U CN 219659512U CN 202223560388 U CN202223560388 U CN 202223560388U CN 219659512 U CN219659512 U CN 219659512U
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- fan fixing
- fixing shell
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- shell
- breaking motor
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- 230000005855 radiation Effects 0.000 title claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 46
- 239000000428 dust Substances 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The utility model discloses a heat dissipation structure of a DC brushless hammer breaking motor. The structure comprises a direct-current brushless hammer breaking motor, wherein a heat radiation module is arranged outside the direct-current brushless hammer breaking motor and consists of a shell and an end fan fixing shell arranged at one side end of the shell, and a secondary fan fixing shell is arranged on the side wall of the shell; the direct current brushless hammer breaking motor is characterized in that a groove is formed in the outer side face of the direct current brushless hammer breaking motor, a dustproof screen plate is clamped on the outer side of the end fan fixing shell, a connecting rod is connected with the end fan fixing shell, and fan blades are mounted on the connecting rod. The structure is wind-dispelling, cold air can be quickly sucked into the motor, dust prevention and suppression can be realized, and the horn mouth connecting port can enable wind to enter the narrow mouth from the wide mouth, so that the flow speed is increased, and the temperature is reduced; the heat radiation protrusion at the connection part of the outer shell and the secondary fan fixing shell is provided with an inclined angle, so that a wide angle can be formed to enable hot air generated by the motor to rapidly flow out of the heat radiation cavity.
Description
Technical Field
The utility model relates to the technical field of motor heat dissipation, in particular to a direct-current brushless hammer breaking motor heat dissipation structure.
Background
The hammer wound motor has the defects of easy abrasion of carbon brushes, high consumption, large maintenance amount and influence on normal production. Spark is easily generated between the carbon brush and the slip ring. The friction between the carbon brush and the slip ring increases the contact resistance and the temperature of the motor increases. Conductive powder is easy to be sucked into the motor, and is a great hidden trouble for burning the motor. The time relay is out of control and is easy to burn out an alternating current contactor and a frequency sensitive rheostat, so that shutdown and production stopping are caused.
Disclosure of Invention
The utility model aims to provide a heat dissipation structure of a direct-current brushless hammer breaking motor, which omits a slip ring, a carbon brush and a secondary circuit system, does not need spare parts, reduces maintenance amount and ensures safe operation of the motor; the electrical working section changes the carbon brush combination of the slip ring into the brushless rheostat, thoroughly solves the problems of carbon brush replacement and slip ring overhauling, ensures normal production, reduces the running cost of equipment and reduces maintenance workload.
In order to achieve the above purpose, the heat radiation structure of the direct current brushless hammer breaking motor comprises the direct current brushless hammer breaking motor, wherein a heat radiation module is arranged outside the direct current brushless hammer breaking motor and consists of a shell and an end fan fixing shell arranged at one side end of the shell, and a secondary fan fixing shell is arranged on the side wall of the shell;
the outer side surface of the direct current brushless hammer breaking motor is provided with a groove, the outer side of the end fan fixing shell is clamped with a dustproof screen plate, the end fan fixing shell is connected with a connecting rod, and fan blades are arranged on the connecting rod;
the inner wall of the heat radiation module is provided with heat radiation protrusions, and the heat radiation protrusions are provided with a plurality of strip-shaped wind dispelling grooves.
The end fan fixing shell is of a cylindrical structure.
The groove formed in the outer side face of the direct-current brushless hammer breaking motor is arranged corresponding to the heat dissipation protrusion arranged on the inner wall of the heat dissipation module.
And a heat dissipation cavity is arranged between a groove formed in the outer side face of the direct-current brushless hammer breaking motor and a heat dissipation protrusion arranged on the inner wall of the heat dissipation module.
And a horn mouth connecting port is arranged at the joint of the outer shell and the end fan fixing shell.
The heat radiation protrusion of the connection part of the outer shell and the secondary fan fixing shell is provided with an inclined angle.
The secondary fan fixed shell is a ventilation structure with a group of side walls, the secondary fan fixed shell is provided with 3 side wall fan fixed shells, namely a first fan fixed shell, a second fan fixed shell and a third fan fixed shell, and the first fan fixed shell, the second fan fixed shell and the third fan fixed shell are uniformly distributed on the same circumference of the shell.
Fan structures are arranged in the first fan fixing shell, the second fan fixing shell and the third fan fixing shell.
The end fan fixing shell 3, the first fan fixing shell, the second fan fixing shell and the third fan fixing shell are all provided with dustproof screen plates 12.
The utility model relates to a heat radiation structure of a DC brushless hammer breaking motor, which has the beneficial effects that: by all modifications to soft start. The motor is changed into a brushless motor, so that carbon brushes (60 carbon brushes for each motor) are saved; the equipment starting fault is greatly reduced through the improvement, the equipment operation rate is improved, the equipment operation time is averagely improved by 1-2 hours per day, the production capacity is increased by 100-200 tons of middlings per day, the production yield is increased by 2900-5800 tons of middlings about the same year according to the 290 days of operation time of one year; the direct current brushless motor shell heat dissipation structure is wind-dispelling, cold air can be quickly sucked into the motor, dust is prevented and suppressed, and wind can enter the narrow opening from the wide opening through the horn mouth connecting opening, so that the flow speed is increased, and the temperature is reduced; the heat radiation protrusion at the connection part of the outer shell and the secondary fan fixing shell is provided with an inclined angle, so that a wide angle can be formed to enable hot air generated by the motor to rapidly flow out of the heat radiation cavity.
Drawings
FIG. 1 is a block diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a block diagram of the present utility model;
FIG. 3 is a schematic cross-sectional view of a brushless DC motor and a housing according to the present utility model;
in the figure: 1. the direct current brushless motor, 2, the heat dissipation module, 3, fan fixed shell, 4, the shell, 5, the radiating component, 6, the fan blade erection column, 7, the heat dissipation is protruding, 8, the horn mouth connector, 9, the heat dissipation chamber, 10, the fan blade, 11, the connecting rod, 12, dustproof otter board.
Detailed Description
Example 1
As shown in fig. 1-3, the heat dissipation structure of a dc brushless hammer breaking motor of the present utility model comprises a dc brushless hammer breaking motor 1, a heat dissipation module 2 is arranged outside the dc brushless hammer breaking motor 1, the heat dissipation module 2 is composed of a housing 4 and an end fan fixing housing 3 mounted at one side end of the housing 4, and a secondary fan fixing housing 5 is arranged on the side wall of the housing 4;
the outer side surface of the direct current brushless hammer breaking motor 1 is provided with a groove, the outer side of the end fan fixing shell 3 is clamped with a dustproof screen 12, the end fan fixing shell 3 is internally connected with a connecting rod 11, and a fan blade 10 is arranged on the connecting rod 11;
the inner wall of the heat radiation module 2 is provided with a heat radiation protrusion 7, and the heat radiation protrusion 7 is provided with a plurality of strips forming a wind dispelling groove.
The end fan fixing case 3 has a cylindrical structure.
The groove formed in the outer side face of the direct-current brushless hammer breaking motor 1 is arranged corresponding to the heat dissipation protrusion 7 formed in the inner wall of the heat dissipation module 2.
A heat dissipation cavity 9 is arranged between a groove formed in the outer side face of the direct-current brushless hammer breaking motor 1 and a heat dissipation protrusion 7 arranged on the inner wall of the heat dissipation module 2.
The connection part of the shell 4 and the end fan fixing shell 3 is provided with a horn mouth connection port 8.
The heat radiation protrusion 7 at the connection of the outer case 4 and the secondary fan fixing case 5 has an inclination angle.
The secondary fan fixing shell 5 is a ventilation structure with a set of side walls, the secondary fan fixing shell 5 is provided with 3 side wall fan fixing shells, namely a first fan fixing shell, a second fan fixing shell and a third fan fixing shell, and the first fan fixing shell, the second fan fixing shell and the third fan fixing shell are uniformly distributed on the same circumference of the shell 4.
The fan structure comprises a fan blade mounting column and fan blades, the fan blades are mounted on the fan blade mounting column, and the fan blade mounting column is mounted on the end fan fixing shell 3 through a connecting rod 11.
The end fan fixing shell 3, the first fan fixing shell, the second fan fixing shell and the third fan fixing shell are all provided with dustproof screen plates 12.
Working principle: when the direct current brushless motor housing heat dissipation structure is used, firstly, when the direct current brushless motor 1 generates heat in the use process, the heat is emitted from the groove formed in the outer side surface of the direct current brushless hammer breaking motor 1, the contact area between the groove and the outside can be increased, the heat dissipation efficiency is improved, the heat emitted from the groove enters the heat dissipation cavity 9, then the heat emitted from the groove is discharged out of the secondary fan fixing housing 5 through the heat dissipation protrusion 7 on the housing 4, meanwhile, the fan blade 10 arranged on the housing 4 through the end fan fixing housing 3 accelerates the heat emission in the rotation process, the heat dissipation effect is improved, the connecting rod 11 plays a role of connecting the fan blade 10 with the end fan fixing housing 3, the fan blade 10 is convenient to fix, the dustproof screen 12 plays a dustproof role for the end fan fixing housing 3, and the secondary fan fixing housing 5 plays a dustproof role in heat dissipation; the shell heat dissipation structure of the direct current brushless motor 1 is wind-dispelling, cold air can be quickly sucked into the motor, dust prevention and suppression are realized, and the horn mouth connection port 8 can enable wind to enter the narrow mouth from the wide mouth, so that the flow speed is increased, and the temperature is reduced; the heat radiation protrusion 7 at the connection part of the outer shell 4 and the secondary fan fixing shell 5 has an inclined angle, so that the wide angle can be formed to enable hot air generated by the motor to flow out of the heat radiation cavity rapidly.
Claims (9)
1. The utility model provides a broken motor heat radiation structure of brushless hammer of direct current, includes broken motor (1) of brushless hammer of direct current, its characterized in that: the direct-current brushless hammer breaking motor comprises a direct-current brushless hammer breaking motor (1), a heat dissipation module (2) and a secondary fan fixing shell (5) arranged on the side wall of the direct-current brushless hammer breaking motor, wherein the heat dissipation module (2) consists of a shell (4) and an end fan fixing shell (3) arranged at one side end of the shell (4);
the direct current brushless hammer breaking motor is characterized in that a groove is formed in the outer side face of the direct current brushless hammer breaking motor (1), a dustproof screen plate (12) is clamped on the outer side of the end fan fixing shell (3), a connecting rod (11) is connected in the end fan fixing shell (3), and fan blades (10) are arranged on the connecting rod (11);
the inner wall of the heat dissipation module (2) is provided with heat dissipation bulges (7), and the heat dissipation bulges (7) are provided with a plurality of strip-shaped wind dispelling grooves.
2. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 1, wherein: the end fan fixing shell (3) is of a cylindrical structure.
3. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 2, wherein: the groove formed in the outer side face of the direct-current brushless hammer breaking motor (1) is arranged corresponding to the heat dissipation protrusion (7) formed in the inner wall of the heat dissipation module (2).
4. A heat dissipation structure for a dc brushless hammer breaking motor according to claim 3, wherein: a heat dissipation cavity (9) is arranged between a groove formed in the outer side face of the direct-current brushless hammer breaking motor (1) and a heat dissipation protrusion (7) arranged on the inner wall of the heat dissipation module (2).
5. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 4, wherein: the connection part of the shell (4) and the end fan fixing shell (3) is provided with a horn mouth connection port (8).
6. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 5, wherein: the heat radiation protrusion (7) at the joint of the outer shell (4) and the secondary fan fixing shell (5) is provided with an inclined angle.
7. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 6, wherein: the secondary fan fixing shell (5) is a ventilating structure with a set of side walls, the secondary fan fixing shell (5) is provided with 3 side wall fan fixing shells, namely a first fan fixing shell, a second fan fixing shell and a third fan fixing shell, and the first fan fixing shell, the second fan fixing shell and the third fan fixing shell are uniformly distributed on the same circumference of the shell (4).
8. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 7, wherein: fan structures are arranged in the first fan fixing shell, the second fan fixing shell and the third fan fixing shell.
9. The heat dissipation structure of a dc brushless hammer breaking motor according to claim 8, wherein: the end fan fixing shell (3), the first fan fixing shell, the second fan fixing shell and the third fan fixing shell are all provided with dustproof screen plates (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560388.XU CN219659512U (en) | 2022-12-30 | 2022-12-30 | Heat radiation structure of DC brushless hammer breaking motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560388.XU CN219659512U (en) | 2022-12-30 | 2022-12-30 | Heat radiation structure of DC brushless hammer breaking motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659512U true CN219659512U (en) | 2023-09-08 |
Family
ID=87878855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223560388.XU Active CN219659512U (en) | 2022-12-30 | 2022-12-30 | Heat radiation structure of DC brushless hammer breaking motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659512U (en) |
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2022
- 2022-12-30 CN CN202223560388.XU patent/CN219659512U/en active Active
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