CN218266927U - Pressure-adjustable brake motor - Google Patents
Pressure-adjustable brake motor Download PDFInfo
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- CN218266927U CN218266927U CN202222810560.6U CN202222810560U CN218266927U CN 218266927 U CN218266927 U CN 218266927U CN 202222810560 U CN202222810560 U CN 202222810560U CN 218266927 U CN218266927 U CN 218266927U
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- brake
- motor
- disc
- pressure
- rotor shaft
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Abstract
The utility model provides a brake motor with adjustable pressure belongs to motor technical field. It has solved the poor problem of current brake motor braking effect. This brake motor with adjustable pressure, including motor casing, be provided with the rotor shaft in the motor casing and with rotor shaft complex stator, the one end of rotor shaft is worn out outside the motor casing, the other end of rotor shaft is located the motor casing, is provided with the friction disc on this tip of rotor shaft, is provided with adjustable and the brake subassembly that the friction disc packing force is used for the braking of rotor shaft in the motor casing. The utility model has the advantages of good braking effect.
Description
Technical Field
The utility model belongs to the technical field of the motor, a brake motor with adjustable pressure is related to.
Background
The brake motor is a totally-enclosed self-cooling type squirrel-cage three-phase asynchronous motor with an additional disk type direct current brake, and the working principle is as follows: when the brake motor is electrified, the brake motor obtains 198V direct current through 220V alternating current rectification, the armature is electromagnetically attracted, the brake disc is in a rotatable state, the brake motor freely rotates, when the brake motor is electrified, the electromagnet is electrified, the armature is immediately propped by the spring, the brake disc and the rear end cover of the motor are pressed together, and rotation is stopped.
When the existing brake motor brakes, an armature iron is only abutted to a brake disc through a spring, and the main defects of the existing brake motor are as follows: when the armature is abraded, the elastic force of the spring cannot be directly adjusted, so that the friction force between the armature and the brake disc is reduced, and the braking effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a brake motor with adjustable braking effect's pressure is good is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the pressure-adjustable brake motor comprises a motor shell, wherein a rotor shaft and a stator matched with the rotor shaft are arranged in the motor shell, one end of the rotor shaft penetrates out of the motor shell, the other end of the rotor shaft is located in the motor shell, and a friction disc is arranged on the end portion of the rotor shaft.
In the pressure-adjustable brake motor, the brake assembly includes a brake housing connected to a motor housing, a brake disc is disposed in the brake housing and can move toward or away from one side of the friction disc, and an adjusting assembly for adjusting a pressing force between the brake disc and the friction disc is disposed in the brake housing.
In the pressure-adjustable brake motor, an electromagnetic structure for driving the brake disc to move towards the side away from the friction disc and an elastic structure for driving the brake disc to move towards the side close to the friction disc are arranged in the brake housing, and the adjusting assembly is arranged on the rear side of the elastic structure and connected with the elastic structure.
In the pressure-adjustable brake motor, the electromagnetic structure includes at least one electromagnet, an electromagnetic coil is disposed around the electromagnet, and a magnetic disk that can be adsorbed by the magnetized electromagnet is disposed on an end surface of the brake disk, which is away from the friction disk.
In the pressure-adjustable brake motor, the elastic structure includes a driving spring, the driving spring is disposed inside the brake housing, one end of the driving spring abuts against the brake disc, and the other end of the driving spring is connected to the adjustment assembly.
In the pressure-adjustable brake motor, an accommodating groove for accommodating the driving spring is formed in the brake housing.
In the above pressure-adjustable brake motor, the adjusting assembly includes an adjusting bolt, the adjusting bolt is connected to the brake housing through a thread, and a front end of the adjusting bolt is located in the accommodating groove and is matched with the driving spring.
In the pressure-adjustable brake motor, the front end of the adjusting bolt is provided with a butting platform for butting of the adjusting bolt, and the side surface of the butting platform is butted on the inner wall of the accommodating groove and is in clearance fit with the accommodating groove.
In the pressure-adjustable brake motor, a raised wear-resistant block is arranged on the end surface of the brake disc facing the friction disc.
Compared with the prior art, the utility model has the advantages of: the brake assembly can adjust the pressing force between the brake assembly and the friction disc to adjust the braking effect and improve the braking effect of the brake motor.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a structure at a in fig. 1.
In the figure, 1, a motor shell; 2. a rotor shaft; 3. a stator; 4. a friction disk; 5. a brake assembly; 6. a brake housing; 7. a brake disc; 8. an adjustment assembly; 9. an electromagnetic structure; 10. an elastic structure; 11. an electromagnet; 12. an electromagnetic coil; 13. a magnetic disk; 14. a drive spring; 15. accommodating a tank; 16. adjusting the bolt; 17. abutting against the platform; 18. and (7) a wear-resistant block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, a pressure-adjustable brake motor includes a motor housing 1, a rotor shaft 2 and a stator 3 matched with the rotor shaft 2 are disposed in the motor housing 1, one end of the rotor shaft 2 penetrates out of the motor housing 1, the other end of the rotor shaft 2 is located in the motor housing 1, a friction disc 4 is disposed on the end of the rotor shaft 2, and a brake assembly 5 capable of adjusting a pressing force applied to the friction disc 4 to brake the rotor shaft 2 is disposed in the motor housing 1.
In this embodiment, a friction disc 4 is disposed on a rotor shaft 2 of the motor, the friction disc 4 is linked with the rotor shaft 2, when the brake motor is powered on, the brake assembly 5 is separated from the friction disc 4, so that the brake disc 7 is in a rotatable state, the brake motor rotates freely, when the brake motor is powered off, the brake assembly 5 presses the friction disc 4 to stop rotating, and meanwhile, the brake assembly 5 can adjust pressing force between the brake assembly 5 and the friction disc 4 to adjust a braking effect, so as to improve the braking effect of the brake motor.
In the present embodiment, the brake assembly 5 includes a brake housing 6 connected to the motor housing 1, the brake housing 6 is detachably connected to the upper motor housing 1, a brake disc 7 is disposed in the brake housing 6 and can move toward the friction disc 4 or away from the friction disc 4, an adjusting assembly 8 is disposed in the brake housing 6 and can be used for adjusting the pressing force between the brake disc 7 and the friction disc 4, and the brake disc 7 adjusts the pressure between the brake disc 7 and the friction disc 4 through the adjusting assembly 8.
In the present embodiment, an electromagnetic structure 9 for driving the brake disc 7 to move towards the side away from the friction disc 4 and an elastic structure 10 for driving the brake disc 7 to move towards the side close to the friction disc 4 are arranged in the brake housing 6, and the adjusting assembly 8 is arranged at the rear side of the elastic structure 10 and connected with the elastic structure 10. The brake disc 7 is moved to the electromagnetic structure 9 side by the electromagnetic structure 9, so that the brake disc 7 is separated from the friction disc 4, and when the electromagnetic structure 9 does not work, the brake disc 7 is abutted against the friction disc 4 by the elastic structure 10.
Specifically, the electromagnetic structure 9 includes at least one electromagnet 11, an electromagnetic coil 12 is disposed around the electromagnet 11, and a magnetic disk 13 that can be attracted by the magnetized electromagnet 11 is disposed on an end surface of the brake disk 7 away from the friction disk 4. When the electromagnetic coil 12 is energized, the electromagnet 11 is magnetized to generate magnetism, and at this time, the magnetic disk 13 is attracted by the electromagnetic disk 13 and moves toward the electromagnet 11 side.
Specifically, the elastic structure 10 includes a driving spring 14, the driving spring 14 is disposed inside the brake housing 6, one end of the driving spring 14 abuts against the brake disc 7, and the other end of the driving spring 14 is connected to the adjusting assembly 8. When the magnetic disk 13 is attracted by the electromagnetic disk 13 and moves toward the electromagnet 11, the drive spring 14 is compressed, and when the electromagnet 11 loses its magnetism, the brake disk 7 abuts against the friction disk 4 by the elastic force of the drive spring 14.
In order to increase the operational stability of the drive spring 14, a receiving groove 15 for receiving the drive spring 14 is provided in the brake housing 6.
In the present embodiment, the adjusting assembly 8 includes an adjusting bolt 16, the adjusting bolt 16 is screwed on the brake housing 6, and the front end of the adjusting bolt 16 is located in the receiving slot 15 to cooperate with the driving spring 14. Meanwhile, in order to improve the matching performance of the adjusting bolt 16 and the driving spring 14 and the working stability of the driving spring 14, an abutting platform 17 for abutting against the adjusting bolt 16 is arranged at the front end of the adjusting bolt 16, and the side surface of the abutting platform 17 abuts against the inner wall of the accommodating groove 15 and is in clearance fit with the accommodating groove 15.
Adjusting bolt 16 is connected with brake housing 6 through the screw thread, when rotating adjusting bolt 16, adjusting bolt 16 is adjustable to get into the degree of depth in the holding tank 15, when adjusting bolt 16 moves to holding tank 15 inboard, driving spring 14 can be compressed gradually, cause the butt pressure between brake disc 7 and the friction disc grow, when friction disc 4 is under the rotating condition, frictional force between them can be bigger, promote brake motor's brake performance, especially under the condition that brake disc 7 weared and torn, if driving spring 14's elasticity can't be adjusted, the frictional force of brake disc 7 and friction disc can reduce, cause the braking effect poor.
In order to improve the wear resistance of the brake disk 7, the end surface of the brake disk 7 facing the friction disk 4 is provided with a raised wear-resistant block 18, and the brake disk 7 is in contact friction with the friction disk 4 through the wear-resistant block 18.
The utility model discloses a theory of operation does: the friction disc 4 is arranged on the rotor shaft 2 of the motor, the friction disc 4 is linked with the rotor shaft 2, when the brake motor is electrified, the brake assembly 5 is separated from the friction disc 4, the brake disc 7 is in a rotatable state, the brake motor freely rotates, when the brake motor is not electrified, the brake assembly 5 is pressed on the friction disc 4 to stop rotating, meanwhile, the brake assembly 5 can adjust pressing force between the brake assembly 5 and the friction disc 4 to adjust brake effect, and brake effect of the brake motor is improved.
Specifically, after the electromagnetic coil 12 is energized, the electromagnet 11 is magnetized to generate magnetism, at this time, the magnetic disk 13 is attracted by the electromagnetic disk 13 to move toward the electromagnet 11, when the electromagnet 11 loses magnetism, the brake disk 7 abuts against the friction disk 4 under the action of the elastic force of the driving spring 14, when the adjusting bolt 16 is rotated, the adjusting bolt 16 can adjust the depth of entering the accommodating groove 15, when the adjusting bolt 16 moves toward the inside of the accommodating groove 15, the driving spring 14 is gradually compressed, so that the abutting pressure between the brake disk 7 and the friction disk 4 is increased, when the friction disk 4 is in a rotating state, the friction force between the brake disk 7 and the friction disk 4 is increased, the braking performance of the brake motor is improved, particularly, under the condition that the brake disk 7 is worn, if the elastic force of the driving spring 14 cannot be adjusted, the friction force between the brake disk 7 and the friction disk 4 is decreased, so that the braking effect is poor.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms motor housing 1, rotor shaft 2, stator 3, friction disc 4, brake assembly 5, brake housing 6, brake disc 7, adjustment assembly 8, electromagnetic structure 9, elastic structure 10, electromagnet 11, electromagnetic coil 12, magnetic disc 13, drive spring 14, receiving slot 15, adjustment bolt 16, abutment platform 17, wear block 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as having any additional limitation in keeping with the spirit of the present invention.
Claims (9)
1. The pressure-adjustable brake motor comprises a motor shell (1), wherein a rotor shaft (2) and a stator (3) matched with the rotor shaft (2) are arranged in the motor shell (1), one end of the rotor shaft (2) penetrates out of the motor shell (1), the other end of the rotor shaft (2) is located in the motor shell (1), a friction disc (4) is arranged on the end portion of the rotor shaft (2), and the pressure-adjustable brake motor is characterized in that a brake assembly (5) which can be adjusted to be pressed with the friction disc (4) and used for braking the rotor shaft (2) is arranged in the motor shell (1).
2. A pressure-adjustable brake motor according to claim 1, characterized in that the brake assembly (5) comprises a brake housing (6) connected to the motor housing (1), that a brake disc (7) is arranged in the brake housing (6) and can be moved towards the friction disc (4) or away from the friction disc (4), and that an adjusting assembly (8) is arranged in the brake housing (6) and can be used to adjust the pressing force of the brake disc (7) against the friction disc (4).
3. A pressure adjustable brake motor according to claim 2, characterized in that an electromagnetic structure (9) for driving the brake disc (7) to move towards the side away from the friction disc (4) and an elastic structure (10) for driving the brake disc (7) to move towards the side close to the friction disc (4) are arranged in the brake housing (6), and the adjusting assembly (8) is arranged at the rear side of the elastic structure (10) and connected with the elastic structure (10).
4. A pressure-adjustable brake motor as claimed in claim 3, characterized in that the electromagnetic structure (9) comprises at least one electromagnet (11), an electromagnetic coil (12) is arranged around the electromagnet (11), and a magnetic disc (13) which can be attracted by the magnetized electromagnet (11) is arranged on an end face of the brake disc (7) away from the friction disc (4).
5. The pressure-adjustable brake motor according to claim 3, wherein the elastic structure (10) comprises a driving spring (14), the driving spring (14) is disposed inside the brake housing (6), one end of the driving spring (14) abuts against the brake disc (7), and the other end of the driving spring (14) is connected to the adjustment assembly (8).
6. A pressure adjustable brake motor according to claim 5, characterized in that the brake housing (6) has a receiving groove (15) formed therein for receiving the drive spring (14).
7. A brake motor with adjustable pressure according to claim 2, characterized in that the adjusting component (8) comprises an adjusting bolt (16), the adjusting bolt (16) is connected to the brake housing (6) in a threaded manner, and the front end of the adjusting bolt (16) is located in the accommodating groove (15) and is matched with the driving spring (14).
8. The pressure adjustable brake motor according to claim 7, wherein the front end of the adjusting bolt (16) is provided with an abutting platform (17) for abutting against the adjusting bolt (16), and the side surface of the abutting platform (17) abuts against the inner wall of the receiving groove (15) and is in clearance fit with the receiving groove (15).
9. A pressure-adjustable brake motor according to claim 2, characterized in that the brake disc (7) has a raised wear-resistant block (18) on its end face facing the friction disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222810560.6U CN218266927U (en) | 2022-10-25 | 2022-10-25 | Pressure-adjustable brake motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222810560.6U CN218266927U (en) | 2022-10-25 | 2022-10-25 | Pressure-adjustable brake motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266927U true CN218266927U (en) | 2023-01-10 |
Family
ID=84752269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222810560.6U Active CN218266927U (en) | 2022-10-25 | 2022-10-25 | Pressure-adjustable brake motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266927U (en) |
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2022
- 2022-10-25 CN CN202222810560.6U patent/CN218266927U/en active Active
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