CN213185777U - Motor electromagnetic braking device of small-tooth-difference planetary gear transmission actuator - Google Patents
Motor electromagnetic braking device of small-tooth-difference planetary gear transmission actuator Download PDFInfo
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- CN213185777U CN213185777U CN202022130045.4U CN202022130045U CN213185777U CN 213185777 U CN213185777 U CN 213185777U CN 202022130045 U CN202022130045 U CN 202022130045U CN 213185777 U CN213185777 U CN 213185777U
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- brake
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- fixedly arranged
- rotor
- planetary gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
The utility model relates to the technical field of braking devices, and discloses a motor electromagnetic braking device of a small-tooth-difference planetary gear transmission actuator, which comprises a rotor and an electromagnetic assembly frame, a brake disc is fixedly arranged at the upper end of the rotor, the electromagnetic assembly frame is positioned at one side of the rotor, a coil lead is fixedly arranged inside the electromagnetic assembly frame, a coil pack is arranged on the outer wall of the coil lead, the top of the electromagnetic assembly frame is provided with a touch head in a sliding way, the top of the touch head is provided with a rotating shaft, a pull rod is fixedly arranged on the shaft wall of the rotating shaft, a brake substrate is fixedly arranged at one end of the pull rod, which is far away from the rotating shaft, one end of the brake base plate is rotatably connected, the other end of the brake base plate is fixedly provided with a tension spring, the side wall of the brake substrate is fixedly provided with a brake pad, and the brake pad is in contact with the side wall of the brake disc. The utility model discloses auto-lock nature is high, and braking speed is fast, is favorable to promoting.
Description
Technical Field
The utility model relates to a arresting gear technical field especially relates to a poor planet wheel drive executor's of few tooth motor electromagnetic braking device.
Background
The intelligent electric actuator has the advantages of large switching moment, simple structure, convenient operation, easy maintenance and maintenance, suitability for various occasions and the like, and gradually replaces the traditional valve device, most of the existing intelligent actuators adopt worm and gear speed reducing mechanisms, because the worm and gear transmission mechanisms have low transmission efficiency which is about 40 percent generally, and the reduction ratio is smaller, in order to achieve the corresponding moment, a worm gear box needs to be additionally arranged, the speed is further reduced, the size is larger, the intelligent electric actuator can be developed in industry along with the development, and the intelligent electric actuator has the increasingly requirements of light weight, simple mechanism, large transmission ratio, high transmission efficiency and high repeated position precision. The intelligent electric actuator for reducing the speed by the small-tooth-difference planetary gear can output low rotating speed and meet the requirement of large torque, but the planetary gear transmission cannot have a self-locking function like worm and gear transmission, so that the valve position control is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of the position control precision of the planet wheel transmission in the prior art, and the motor electromagnetic braking device of the poor planet wheel transmission executor of few tooth that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a poor planet wheel drive executor's of few tooth motor electromagnetic braking device, includes rotor and electromagnetism equipment frame, the fixed brake disc that is equipped with in upper end of rotor, electromagnetism equipment frame is located one side of rotor, the inside of electromagnetism equipment frame is fixed and is provided with the coil lead wire, be provided with the coil package on the outer wall of coil lead wire, the top of electromagnetism equipment frame slides and is provided with and touches the head, the top of touching the head is provided with the rotation axis, the fixed pull rod that is equipped with of axle wall of rotation axis, the pull rod is kept away from the fixed brake base plate that is equipped with of one end of rotation axis, the one end of brake base plate is rotated and is connected, the fixed extension spring that is equipped with of the other end of brake base plate, the fixed brake block that is equipped with of lateral wall of brake.
Preferably, a copper sheet is fixedly arranged at the top of the coil lead, and the upper surface of the copper sheet is in contact with the lower surface of the touch head.
Preferably, the one end of brake base plate is fixed and is provided with the brake rotating pin, the one end of brake base plate passes through the brake rotating pin and rotates the connection.
Preferably, the coil lead wire is provided in parallel with a power supply line of the rotor.
Preferably, the coil pack is of an annular structure.
Preferably, the touch head adopts an L-shaped structure.
Compared with the prior art, the utility model provides a poor planet wheel drive executor's of few tooth motor electromagnetic braking device possesses following beneficial effect:
1. the motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator is characterized in that a brake disc, a coil lead, a coil pack, a touch head, a rotating shaft, a pull rod, a brake substrate, a brake pad, a tension spring, a brake rotating pin and a copper sheet are arranged, when the rotor of the motor is not powered on, the brake substrate enables the brake pad to be tightly attached to the brake disc under the action of the tension spring, once the rotor of the motor is powered on, the coil pack is also powered on, the moving contact is pulled downwards to be attracted under the action of the magnetic field, the moving contact, the rotating shaft drives the pull rod, the brake substrate and the brake pad to leave the brake disc, the rotor of the motor normally operates, when the rotor of the motor is powered off, the coil pack is powered off at the same time, the magnetic field disappears, the moving contact moves upwards under the action of the tension spring, the brake pad is tightly attached to the brake disc, the motor still normally rotates when the motor is powered on, and the motor rotor can be rapidly braked under the action of the tension spring when the motor is powered off.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses auto-lock nature is high, and braking speed is fast, is favorable to promoting.
Drawings
Fig. 1 is a schematic structural diagram of a motor electromagnetic braking device of a small tooth difference planetary gear transmission actuator provided by the utility model;
fig. 2 is a schematic structural diagram of the coil pack in fig. 1.
In the figure: the brake comprises a rotor 1, an electromagnetic assembly frame 2, a brake disc 3, a coil lead 4, a coil pack 5, a touch head 6, a rotating shaft 7, a pull rod 8, a brake substrate 9, a brake pad 10, a tension spring 11, a brake rotating pin 12 and a copper sheet 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an electromagnetic braking device for a motor of a small-tooth-difference planetary gear transmission actuator comprises a rotor 1 and an electromagnetic assembly frame 2, a brake disc 3 is fixedly arranged at the upper end of the rotor 1, the electromagnetic assembly frame 2 is located on one side of the rotor 1, a coil lead 4 is fixedly arranged inside the electromagnetic assembly frame 2, a coil package 5 is arranged on the outer wall of the coil lead 4, the coil package 5 is of an annular structure, a touch head 6 is slidably arranged at the top of the electromagnetic assembly frame 2, the touch head 6 is of an L-shaped structure, a rotating shaft 7 is arranged at the top of the touch head 6, a pull rod 8 is fixedly arranged on the shaft wall of the rotating shaft 7, a brake substrate 9 is fixedly arranged at one end, away from the rotating shaft 7, of the pull rod 8, one end of the brake substrate 9 is rotatably connected with one end of the brake substrate 9, a tension spring 11 is fixedly arranged at the other end of the.
The top of the coil lead 4 is fixedly provided with a copper sheet 13, and the upper surface of the copper sheet 13 is in contact with the lower surface of the touch head 6.
One end of the brake base plate 9 is fixedly provided with a brake rotating pin 12, and one end of the brake base plate 9 is rotatably connected through the brake rotating pin 12.
The coil lead wire 4 is provided in parallel with the power supply line of the rotor 1.
The utility model discloses in, when the rotor 1 of motor does not have the switch on, brake substrate 9 is under extension spring 11's effect, make brake block 10 hug closely on brake disc 3, in case the circular telegram this moment coil package 5 also circular telegram of rotor 1 of motor, moving contact 6 is pulled the actuation downwards under the effect in magnetic field, moving contact 6 and rotation axis 7 drive pull rod 8 and brake substrate 9 make brake block 10 leave brake disc 3, rotor 1 normal operating of motor, when the rotor 1 outage of motor, coil package 5 also cuts off the power supply simultaneously, magnetic field disappears, moving contact 6 upward movement under extension spring 11's effect, brake block 10 hugs closely brake disc 3, still normal rotation when the motor circular telegram like this, can let motor rotor 1 quick braking under extension spring 11 effects during the outage.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A motor electromagnetic braking device of a small-tooth-difference planetary gear transmission actuator comprises a rotor (1) and an electromagnetic assembly frame (2), and is characterized in that a brake disc (3) is fixedly arranged at the upper end of the rotor (1), the electromagnetic assembly frame (2) is positioned on one side of the rotor (1), a coil lead (4) is fixedly arranged inside the electromagnetic assembly frame (2), a coil pack (5) is arranged on the outer wall of the coil lead (4), a touch head (6) is slidably arranged at the top of the electromagnetic assembly frame (2), a rotating shaft (7) is arranged at the top of the touch head (6), a pull rod (8) is fixedly arranged on the shaft wall of the rotating shaft (7), a brake substrate (9) is fixedly arranged at one end, far away from the rotating shaft (7), of the pull rod (8), and one end of the brake substrate (9) is rotatably connected, the other end of brake base plate (9) is fixed and is equipped with extension spring (11), the fixed brake block (10) that is equipped with of lateral wall of brake base plate (9), brake block (10) with the lateral wall contact setting of brake disc (3).
2. The motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator is characterized in that a copper sheet (13) is fixedly arranged at the top of the coil lead (4), and the upper surface of the copper sheet (13) is in contact with the lower surface of the touch head (6).
3. The motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator is characterized in that a brake rotating pin (12) is fixedly arranged at one end of the brake base plate (9), and one end of the brake base plate (9) is rotatably connected through the brake rotating pin (12).
4. The motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator is characterized in that the coil lead (4) is connected with a power line of the rotor (1) in parallel.
5. The motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator is characterized in that the coil pack (5) is of an annular structure.
6. The motor electromagnetic braking device of the small-tooth-difference planetary gear transmission actuator according to claim 1, wherein the touch head (6) is of an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130045.4U CN213185777U (en) | 2020-09-25 | 2020-09-25 | Motor electromagnetic braking device of small-tooth-difference planetary gear transmission actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130045.4U CN213185777U (en) | 2020-09-25 | 2020-09-25 | Motor electromagnetic braking device of small-tooth-difference planetary gear transmission actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185777U true CN213185777U (en) | 2021-05-11 |
Family
ID=75776438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022130045.4U Expired - Fee Related CN213185777U (en) | 2020-09-25 | 2020-09-25 | Motor electromagnetic braking device of small-tooth-difference planetary gear transmission actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213185777U (en) |
-
2020
- 2020-09-25 CN CN202022130045.4U patent/CN213185777U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |