CN210985858U

CN210985858U - Disc type brake device for motor

Info

Publication number: CN210985858U
Application number: CN201922071268.5U
Authority: CN
Inventors: 倪新东; 陈锴
Original assignee: Zhangjiagang Gangying Industrial Co ltd
Current assignee: Zhangjiagang Gangying Industrial Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-10
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a disc brake device for a motor, which comprises a frame, wherein a first coupling is arranged on a motor shaft of which the top end is provided with the motor, a brake disc is arranged at the middle position of the first coupling, a fixed frame is arranged at the bottom end of the brake disc, the fixed frame is positioned at the top end of the frame, a brake mechanism is arranged at the top end of the fixed frame, a solenoid valve is arranged at one side of the fixed frame and connected with the brake mechanism, a speed reducer is connected at one end of the first coupling, which is far away from the motor, and a second coupling is arranged at one end of the speed reducer, which is far away from; the brake mechanism comprises air cylinders symmetrically arranged on two sides of the brake disc. Has the advantages that: structural design is reasonable, has realized that the motor power closes the motor and also brakes at once, has prevented that the motor from lasting the rotation under the inertia effect, has improved the security of workman's operation.

Description

Disc type brake device for motor

Technical Field

The utility model relates to a mechanical transmission technical field particularly, relates to a disc brake equipment for motor.

Background

In industrial production, a conventional motor is generally not provided with a brake device, the motor with the brake device is called a brake motor, and the brake motor is divided into: a direct current brake motor and an alternating current brake motor. The direct current brake motor needs to be provided with a rectifier, and the fastest brake time is about 0.6 second because the direct current brake motor needs to pass through rectified voltage. The alternating current brake motor has direct 380V voltage, does not need rectification, and can complete the braking within 0.2 second. The direct current brake motor has simple structure, low manufacturing cost, and quick heating and easy burning of the motor. The alternating current brake motor has a complex structure and higher manufacturing cost. Meanwhile, the braking parts of the direct current braking motor and the alternating current braking motor can not be connected with variable frequency voltage, and need to be connected with another wire for synchronous control, so that the construction and installation time of the direct current braking motor and the alternating current braking motor is long, and the maintenance is troublesome. In addition, when the motor is changed from the running state to the stopping state, the motor can continue to rotate for a period of time under the action of inertia and then stop; in specific occasions, such as fields with higher requirements on the responsiveness and stability of the motor, certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a disc brake device for motor to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a disc brake device for a motor comprises a rack, wherein a first coupler is arranged on a motor shaft of which the top end of the rack is provided with the motor, a brake disc is arranged at the middle position of the first coupler, a fixed frame is arranged at the bottom end of the brake disc and is positioned at the top end of the rack, a brake mechanism is arranged at the top end of the fixed frame, an electromagnetic valve is arranged on one side of the fixed frame and is connected with the brake mechanism, a speed reducer is connected to one end, away from the motor, of the first coupler, a second coupler is arranged at one end, away from the first coupler, of the speed reducer, and one end, away from the speed reducer, of the second coupler; the brake mechanism comprises air cylinders symmetrically arranged on two sides of the brake disc, a connecting flange is arranged on a piston of each air cylinder, a wear-resistant sheet is arranged on one side, far away from the air cylinders, of each connecting flange, and the motor is electrically connected with the electromagnetic valve.

Furthermore, in order to prevent the brake disc from eccentric wear during use and effectively prolong the service life of the brake disc, a plurality of grooves are formed in two end faces of the brake disc.

Furthermore, in order to enable the groove wall to be in contact with the wear-resistant sheet, the guide function is achieved, the protrusion can accurately slide into the groove, the cross section of the groove is trapezoidal, and an included angle formed between the groove wall and the groove bottom of the groove is an obtuse angle.

Furthermore, in order to match the protrusions with the grooves, the contact area between the wear-resistant sheet and the brake disc is increased, the friction force is increased, the response time of braking is reduced, and the effect that the motor stops rotating when the motor is powered off is achieved.

Furthermore, in order to enable the protrusion to slide into the groove to be matched with the groove, the protrusion is of an arc-shaped structure, and the cross section of the protrusion and the cross section of the groove are similar to each other.

Furthermore, in order to enable the bolt to be matched with the top plate, the bolt is screwed down or unscrewed to drive the top plate to move left and right, so that the wear-resistant plate is driven to move left and right to achieve centering, the fixing frame comprises supporting plates symmetrically arranged at the top end of the rack, the top plate is arranged between the two supporting plates, the supporting plates are connected with the top plate through the bolt, and the bolt is provided with locking wires.

The utility model has the advantages that:

(1) the utility model has the advantages of reasonable design, realized that motor power closes the motor and also brakes at once, prevented that the motor from continuously rotating under the inertia effect, improved the security of workman's operation.

(2) Through setting up the solenoid valve and cooperating with the cylinder to realize the action of automated control brake mechanism, and then improved degree of automation, easy operation is convenient.

(3) Through setting up protruding and recess and cooperating, increased the area of contact of wear pad with the brake disc, and then increased frictional force, reduced the response time of brake, realized the motor outage, stopped pivoted effect promptly, wear-resisting ceramic material has the advantage that hardness is high, the wearability is good, light in weight simultaneously, and then can make the wear pad durable lastingly, has reduced the maintenance cost.

Drawings

Fig. 1 is a schematic structural diagram of a disc brake device for a motor according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at C;

fig. 3 is a plan view of a brake disc of a disc brake device for an electric motor according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a plan view of a wear pad of a disc brake device for a motor according to an embodiment of the present invention;

fig. 6 is a sectional view of B-B in fig. 5.

In the figure:

1. a frame; 2. a motor; 3. a first coupler; 4. a brake disc; 401. a groove; 5. a fixed mount; 501. a support plate; 502. a top plate; 503. a bolt; 504. locking the wire; 6. a brake mechanism; 601. a cylinder; 602. a connecting flange; 603. a wear resistant sheet; 604. a protrusion; 7. an electromagnetic valve; 8. a speed reducer; 9. and a second coupler.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments, as shown in figures 1-6, the disc brake device for the motor according to the embodiment of the utility model comprises a frame 1, a coupling I3 is arranged on a motor shaft of a motor 2 arranged at the top end of the frame 1, a brake disc 4 is arranged in the middle of the first coupling 3, a fixed frame 5 is arranged at the bottom end of the brake disc 4, the fixing frame 5 is positioned at the top end of the frame 1, the top end of the fixing frame 5 is provided with a braking mechanism 6, one side of the fixing frame 5 is provided with an electromagnetic valve 7, the electromagnetic valve 7 is connected with the braking mechanism 6, one end of the coupling I3 far away from the motor 2 is connected with a speed reducer 8, a second coupler 9 is arranged at one end of the speed reducer 8 departing from the first coupler 3, and one end of the second coupler 9 departing from the speed reducer 8 is connected with the drafting machine; the braking mechanism 6 comprises air cylinders 601 symmetrically arranged on two sides of the brake disc 4, a connecting flange 602 is arranged on a piston of each air cylinder 601, a wear pad 603 is arranged on one side, far away from the air cylinder 601, of each connecting flange 602, the motor 2 is electrically connected with the electromagnetic valve 7, and power of each air cylinder 601 comes from air compressor equipment matched with the air cylinder 601.

By means of the scheme, the structure design is reasonable, the motor is immediately braked when the power supply of the motor is turned off, the motor is prevented from continuously rotating under the action of inertia, and the operation safety of workers is improved.

In one embodiment, a plurality of grooves 401 are formed on both end surfaces of the brake disc 4, and the grooves 401 on both end surfaces are distributed in a staggered manner, so that the brake disc 4 is not worn eccentrically when in use, and the service life of the brake disc 4 can be effectively prolonged.

In one embodiment, the cross section of the groove 401 is trapezoidal, and the included angle between the groove wall and the groove bottom of the groove 401 is obtuse, so that when the groove wall contacts the wear-resistant plate 603, the groove wall plays a role of guiding, and the protrusion 604 slides into the groove 401 accurately.

In one embodiment, a plurality of protrusions 604 are disposed on one surface of the wear pad 603 facing the brake disc 4, the wear pad 603 is of a fan-shaped structure, a central angle of the fan-shaped circle of the wear pad 603 is an acute angle, the wear pad 603 is made of a ceramic wear-resistant material, so that the protrusions 604 are matched with the grooves 401, a contact area between the wear pad 603 and the brake disc 4 is increased, friction is increased, response time of braking is reduced, an effect that the motor 2 stops rotating when the motor is powered off is achieved, and meanwhile, the wear-resistant ceramic material has the advantages of high hardness, good wear resistance and light weight, so that the wear pad 603 is durable and maintenance cost is reduced.

In one embodiment, the protrusion 604 has a circular arc structure, and the cross section of the protrusion 604 and the cross section of the groove 401 are similar to each other, so that the protrusion 604 can slide into the groove 401 to match with the groove.

In one embodiment, the fixing frame 5 includes supporting plates 501 symmetrically disposed at the top end of the rack 1, a top plate 502 is disposed between the two supporting plates 501, the supporting plates 501 are connected to the top plate 502 through bolts 503, and locking wires 504 are disposed on the bolts 503, so that the bolts 503 are matched with the top plate 502, and the bolts 503 are screwed or unscrewed to drive the top plate 502 to move left and right, thereby driving the wear-resistant pieces 603 to move left and right to achieve centering.

The working principle is as follows: during the use, motor 2 cuts off the power supply, solenoid valve 7 is opened, and cylinder 601 gets angry and begins the action this moment, drives wear pad 603 and brake disc 4 and contacts to realize the brake, cooperatees with recess 401 through setting up arch 604, has increased the area of contact of wear pad 603 with brake disc 4, and then has increased frictional force in order to obtain bigger braking resistance, cooperate through setting up bolt 503 and lock silk 504 and can adjust the interval between wear pad 603 and the brake disc 4, in order to make things convenient for the centering, guarantee braking effect.

To sum up, with the help of the above technical scheme of the utility model, through setting up solenoid valve 7 with cylinder 601 cooperatees to realized automated control arrestment mechanism 6's action, and then improved degree of automation, easy operation is convenient. Through setting up protruding 604 with recess 401 cooperatees, increased wear pad 603 with the area of contact of brake disc 4, and then increased frictional force, reduced the response time of brake, realized motor 2 cuts off the power supply, the effect of stall promptly, and wear-resisting ceramic material has the advantage that hardness is high, wearability is good, light in weight simultaneously, and then can make wear pad 603 is durable lastingly, has reduced the maintenance cost. Thereby make structural design reasonable, realized that the motor power closes the motor and also brakies immediately, prevented that the motor from lasting the rotation under the inertia effect, improved workman's security of operating.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A disc brake device for a motor comprises a rack (1) and is characterized in that a first coupling (3) is arranged on a motor shaft of a motor (2) arranged at the top end of the rack (1), a brake disc (4) is arranged at the middle position of the first coupling (3), a fixing frame (5) is arranged at the bottom end of the brake disc (4), the fixing frame (5) is located at the top end of the rack (1), a brake mechanism (6) is arranged at the top end of the fixing frame (5), an electromagnetic valve (7) is arranged on one side of the fixing frame (5), the electromagnetic valve (7) is connected with the brake mechanism (6), one end, far away from the motor (2), of the first coupling (3) is connected with a speed reducer (8), and one end, far away from the first coupling (3), of the speed reducer (8) is provided with a second coupling, one end of the second coupler (9) departing from the speed reducer (8) is connected with the drafting machine;

the brake mechanism (6) comprises air cylinders (601) symmetrically arranged on two sides of the brake disc (4), a connecting flange (602) is arranged on a piston of each air cylinder (601), a wear-resistant sheet (603) is arranged on one side, far away from the air cylinders (601), of each connecting flange (602), and the motor (2) is electrically connected with the electromagnetic valve (7).

2. The disc brake device for the motor according to claim 1, wherein a plurality of grooves (401) are formed on both end faces of the brake disc (4).

3. The disc brake device for the motor according to claim 2, wherein the cross section of the groove (401) is trapezoidal, and an included angle formed by a groove wall and a groove bottom of the groove (401) is an obtuse angle.

4. A disc brake device for a motor according to claim 3, characterized in that a plurality of protrusions (604) are provided on the surface of the wear pad (603) facing the brake disc (4), the wear pad (603) is of a fan-shaped structure, the central angle of the fan-shaped of the wear pad (603) is an acute angle, and the material of the wear pad (603) is ceramic wear-resistant material.

5. Disc brake device for electric motors, according to claim 4, characterized in that said protrusions (604) have a circular arc-shaped configuration, and the cross section of said protrusions (604) and the cross section of said grooves (401) are in a similar pattern.

6. The disc brake device for the motor according to claim 1, wherein the fixing frame (5) comprises support plates (501) symmetrically arranged at the top end of the frame (1), a top plate (502) is arranged between the two support plates (501), the support plates (501) and the top plate (502) are connected through bolts (503), and locking wires (504) are arranged on the bolts (503).