CN219181324U

CN219181324U - Safe motor with reliable braking

Info

Publication number: CN219181324U
Application number: CN202320563207.4U
Authority: CN
Inventors: 高福庆; 黄斌
Original assignee: Hangzhou Hangjun Motor Co ltd
Current assignee: Hangzhou Hangjun Motor Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-06-13
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a safe motor with reliable braking, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a motor, the output end of the motor is fixedly connected with an output shaft, the outer surface of the output shaft is fixedly connected with a fixing piece, the outer surface of the output shaft is fixedly connected with a bracket, the outer surface of the bracket is fixedly connected with a copper wire, the upper surface of the bottom plate is fixedly connected with a fixing shell, the inner surface of the fixing shell is fixedly connected with an electromagnet, the upper surface of the bottom plate is rotationally connected with a rotating rod, the left surface of the rotating rod is fixedly connected with a brake, the inner surface of the brake is fixedly connected with a brake pad, and the inner part of the bottom plate is fixedly connected with a first photoelectric switch. According to the structure, the device can be powered off firstly in the emergency braking process through the two photoelectric switches, so that the rotating speed of the motor is reduced, then the electromagnetic braking is carried out, the abrasion of the brake pad is reduced, the contact type braking is carried out through the brake pad, and the braking effect is improved.

Description

Safe motor with reliable braking

Technical Field

The utility model relates to the technical field of braking function motors, in particular to a safe motor with reliable braking.

Background

When the common three-phase asynchronous motor does not have a braking function, an anti-phase braking method is generally used when the motor is required to stop rapidly, the motor cannot stop completely due to too short anti-phase braking time, and the motor can reverse due to too long anti-phase braking time, so that the motor is difficult to control and cannot achieve the purpose of rapid braking, and if the motor is braked directly in a friction mode, the braking effect is reduced along with the time. After searching, the technical scheme provided by the utility model with the application number of CN200820110861.5 is found to have the same problems.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a safe motor with reliable braking, wherein the two photoelectric switches are used for realizing that the rotation speed of the motor can be reduced by switching off the power supply firstly in the emergency braking process, then the abrasion of a brake pad is reduced by electromagnetic braking, and the contact type braking is carried out by the brake pad, so that the braking effect is improved.

In order to achieve the above object, the present utility model also provides a safety motor with reliable braking as described above, comprising:

the motor is fixedly connected to the upper surface of the bottom plate, the output end of the motor is fixedly connected with an output shaft, the outer surface of the output shaft is fixedly connected with a fixing sheet, the outer surface of the output shaft is fixedly connected with a bracket, the outer surface of the bracket is fixedly connected with a copper wire, the upper surface of the bottom plate is fixedly connected with a fixing shell, and the inner surface of the fixing shell is fixedly connected with an electromagnet;

the upper surface of bottom plate rotates and is connected with the dwang, the left surface fixedly connected with stopper of dwang, the internal surface fixedly connected with brake block of stopper, the inside fixedly connected with first photoelectric switch of bottom plate, the inside of bottom plate just is located the right side fixedly connected with second photoelectric switch of first photoelectric switch.

According to the safe motor with reliable braking, two ends of the copper wire are connected through the resistor, and the safe motor is used for converting a small amount of electric energy into heat energy of the resistor so as to avoid short circuit.

According to the safe motor with reliable braking, the electromagnet, the motor, the first photoelectric switch and the second photoelectric switch are all connected with an external power supply, and the electromagnet is electrically connected with the second photoelectric switch.

According to the safe motor with reliable braking, the number of the fixing pieces is multiple and distributed left and right, and the output shaft is rotationally connected with the fixing shell and is used for increasing the braking effect and reducing the friction force during operation.

According to the safe motor with reliable braking, the side surface of the brake is provided with the groove, and the position of the brake pad corresponds to the position of the fixing piece.

According to the safe motor with reliable braking, the right surface of the rotating rod is fixedly connected with a handle, and the outer surface of the handle is fixedly connected with an anti-slip layer.

According to the safe motor with reliable braking, the first photoelectric switch is electrically connected with the motor and is used for cutting off power in an emergency state.

According to the safe motor with reliable braking, the upper surfaces of the first photoelectric switch and the second photoelectric switch are flush with the bottom plate, and the positions of the first photoelectric switch and the second photoelectric switch correspond to the position of the rotating rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an internal structural view of a safety motor of the present utility model with reliable braking;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;

FIG. 3 is a right side view of a brake of a safety motor of the present utility model with reliable braking;

fig. 4 is a schematic view of a part of the structure of a safety motor with reliable braking according to the present utility model.

Legend description:

1. a bottom plate; 2. a motor; 3. a brake; 4. a brake pad; 5. a rotating lever; 6. a handle; 7. a first photoelectric switch; 8. a second photoelectric switch; 9. an output shaft; 10. a fixing piece; 11. a fixed case; 12. a bracket; 13. copper wires; 14. an electromagnet; 15. a groove.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the safe motor with reliable braking in the embodiment of the utility model comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with an output shaft 9, the outer surface of the output shaft 9 is fixedly connected with a fixed sheet 10 for contacting with a brake pad 4 when braking is needed, the number of the fixed sheets 10 is multiple and distributed left and right, the output shaft 9 is rotationally connected with a fixed shell 11 for increasing the braking effect and reducing friction force during operation, the outer surface of the output shaft 9 is fixedly connected with a bracket 12, the outer surface of the bracket 12 is fixedly connected with a copper wire 13 for reducing speed under the effect of magnetic induction, two ends of the copper wire 13 are connected through resistors for converting a small amount of electric energy into heat energy of resistors to avoid short circuit, the upper surface of the bottom plate 1 is fixedly connected with a fixed shell 11, the inner surface of the fixed shell 11 is fixedly connected with an electromagnet 14 for avoiding deceleration during normal use, the electromagnet 14, the motor 2, the first photoelectric switch 7 and the second photoelectric switch 8 are all connected with an external power supply, and the electromagnet 14 is electrically connected with the second photoelectric switch 8.

The upper surface of bottom plate 1 rotates and is connected with dwang 5, the right surface fixedly connected with handle 6 of dwang 5, the surface mounting of handle 6 has the skid resistant course, the left surface fixedly connected with stopper 3 of dwang 5, the side surface of stopper 3 is provided with recess 15, the position of brake block 4 corresponds with the position of stationary blade 10, the internal surface fixedly connected with brake block 4 of stopper 3, the inside fixedly connected with first photoelectric switch 7 of bottom plate 1, first photoelectric switch 7 and motor 2 electric connection for outage under emergency, the upper surface of first photoelectric switch 7, second photoelectric switch 8 flushes with bottom plate 1, the position of first photoelectric switch 7, second photoelectric switch 8 corresponds with the position of dwang 5, the inside of bottom plate 1 just is located the right side fixedly connected with second photoelectric switch 8 of first photoelectric switch 7.

Working principle: in the process of needing emergency braking, the handle 6 is lifted, the electromagnet 14 is started by the second photoelectric switch 8, the rotation speed is reduced through the rotation of the copper wire 13, the motor 2 is powered off by the second photoelectric switch 8, the power output is avoided, the rotation speed of the motor 2 is reduced, the rotating rod 5 is rotated according to the requirement, the friction is carried out between the brake pad 4 and the fixing piece 10, and further the braking reliability is met.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A brake-reliable safety motor, comprising:

the motor comprises a bottom plate (1), wherein the upper surface of the bottom plate (1) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with an output shaft (9), the outer surface of the output shaft (9) is fixedly connected with a fixing sheet (10), the outer surface of the output shaft (9) is fixedly connected with a bracket (12), the outer surface of the bracket (12) is fixedly connected with a copper wire (13), the upper surface of the bottom plate (1) is fixedly connected with a fixing shell (11), and the inner surface of the fixing shell (11) is fixedly connected with an electromagnet (14);

the novel photoelectric switch is characterized in that a rotating rod (5) is rotatably connected to the upper surface of the bottom plate (1), a brake (3) is fixedly connected to the left surface of the rotating rod (5), a brake pad (4) is fixedly connected to the inner surface of the brake (3), a first photoelectric switch (7) is fixedly connected to the inner portion of the bottom plate (1), and a second photoelectric switch (8) is fixedly connected to the inner portion of the bottom plate (1) and located on the right side of the first photoelectric switch (7).

2. A brake-reliable safety motor according to claim 1, characterized in that the two ends of the copper wire (13) are connected by means of a resistor.

3. The safe motor with reliable braking according to claim 1, wherein the electromagnet (14), the motor (2), the first photoelectric switch (7) and the second photoelectric switch (8) are all connected with an external power supply, and the electromagnet (14) is electrically connected with the second photoelectric switch (8).

4. A reliably braked safety motor according to claim 1, wherein the number of stator plates (10) is plural and distributed laterally, and the output shaft (9) is rotatably connected to the stationary housing (11).

5. A brake-reliable safety motor according to claim 1, characterized in that the side surface of the brake (3) is provided with grooves (15), the position of the brake pads (4) corresponding to the position of the stator (10).

6. The safe motor with reliable braking according to claim 1, wherein a handle (6) is fixedly connected to the right surface of the rotating rod (5), and an anti-slip layer is fixedly connected to the outer surface of the handle (6).

7. A brake-reliable safety electric motor according to claim 1, characterized in that the first opto-electronic switch (7) is electrically connected to the electric motor (2).

8. A brake-reliable safety motor according to claim 1, characterized in that the upper surfaces of the first and second photoelectric switches (7, 8) are flush with the base plate (1), and the positions of the first and second photoelectric switches (7, 8) correspond to the positions of the rotating lever (5).