CN218335650U - Speed-regulating electromagnetic braking motor - Google Patents
Speed-regulating electromagnetic braking motor Download PDFInfo
- Publication number
- CN218335650U CN218335650U CN202221847669.0U CN202221847669U CN218335650U CN 218335650 U CN218335650 U CN 218335650U CN 202221847669 U CN202221847669 U CN 202221847669U CN 218335650 U CN218335650 U CN 218335650U
- Authority
- CN
- China
- Prior art keywords
- speed
- rotor
- brake base
- coil
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the technical field of electric motor, specifically be a speed governing electromagnetic braking motor, including speed measuring subassembly, rotor and brake base, brake base is cylindrical, and the inside cavity that is equipped with of brake base, the rotor runs through the cavity, the speed measuring subassembly also sets up in the cavity, and the speed measuring subassembly cover is established on the rotor. The utility model discloses a place velometer coil pack inside the brake base, reduce the location spare part that the assembly needs to reduce installation procedure, reduce cost can reduce the space simultaneously, also has fine guard action to velometer coil pack.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a speed governing electromagnetic braking motor is related to.
Background
The existing brake speed regulating motor comprises a shell, a rotor, an electromagnetic brake mechanism, an electromagnetic type rotating speed monitoring mechanism, a brake cover and a fan cover, wherein the electromagnetic type rotating speed monitoring mechanism is positioned between the brake cover and the fan cover, and is fixedly connected with the brake cover. However, the brake speed regulating motor has certain defects: the structure is complicated, when the electromagnetic type rotating speed monitoring mechanism is arranged on the brake cover, the cost is increased, and meanwhile, the length of the motor is increased, so that the installation efficiency is influenced.
For example, chinese utility model patent with application number 201620999504.3, the patent name is a brake buncher, including casing, rotor, electromagnetic brake mechanism, electromagnetic type rotational speed monitoring mechanism and fan housing, casing and fan housing formula structure as an organic whole, electromagnetic brake mechanism and electromagnetic type rotational speed monitoring mechanism fixed connection. The utility model discloses a though set up casing and fan housing into the integral type structure, saved the brake cover to make electromagnetic type rotational speed monitoring mechanism and electromagnetic brake mechanism fixed connection, the motor structure has been simplified to a certain extent, but electromagnetic rotational speed monitoring mechanism has fixed on electromagnetic brake mechanism, and electromagnetic rotational speed monitoring mechanism needs screw and fixed box, insulated column fixed connection, and the installation is complicated, and the process is many, appears the decentraction simultaneously easily and leads to the friction, produces the harm of noise.
Disclosure of Invention
The utility model aims at providing a speed governing electromagnetic braking motor, through placing velometer coil pack inside the brake base, reduce the location spare part that the assembly needs to reduce the installation procedure, reduce cost can reduce the space simultaneously, also has fine guard action to velometer coil pack.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a speed governing electromagnetic braking motor, includes speed measuring component, rotor and brake base, brake base is cylindrical, and the inside cavity that is equipped with of brake base, the rotor runs through the cavity, speed measuring component also sets up in the cavity, and the speed measuring component cover establishes on the rotor. Place the subassembly that tests the speed in brake base, come to directly fix the subassembly that tests the speed through brake base, it is fixed to the subassembly that tests the speed to need not from the outside, can effectively reduce the location spare part that the assembly needs, reduce the installation procedure simultaneously, therefore, the cost is reduced, shorten the installation space, reduce the total length of motor, brake base plays the guard action to the subassembly that tests the speed simultaneously, can better reduce the external force influence that the velometer coil received, avoid leading to the spare part in the subassembly that tests the speed to collide with each other wearing and tearing on the one hand, cause the operation noise and influence life, on the other hand can prevent that the foreign object from disturbing the subassembly that tests the speed, use effect and degree of accuracy are improved.
Preferably, the cavity is formed with an annular groove radially outwards, and the speed measuring component is clamped in the annular groove. Be provided with the annular groove in the cavity, arrange the speed measuring subassembly in the annular groove, carry out the butt location with the speed measuring subassembly through the lateral wall of annular groove for the radial and circumference of speed measuring subassembly all fix a position accurately, need not to install the location work piece, only need process out the annular groove that needs the size can, further reduced the location spare part, simplified installation procedure, thereby the cost is reduced.
Preferably, the speed measuring assembly comprises a coil and a magnetic ring, the magnetic ring is rotatably connected with the rotor, and the coil is fixed on the outer side of the magnetic ring. The speed measuring component is provided with the coil and the magnetic ring, so that the speed of the motor can be adjusted, the functions of the speed measuring component are guaranteed to be complete on the basis of space saving and convenience in installation, and the use of the motor is not influenced.
Preferably, the speed measuring assembly comprises an annular coil framework, the coil framework is sleeved on the outer side of the magnetic ring and clamped in the annular groove, and the coil is fixed inside the coil framework. Be provided with coil skeleton and be used for fixed coil, when can making the coil by coil skeleton accurate positioning, also play the guard action to the coil, prevent that the coil from receiving external interference and leading to unable use or the circumstances that the result of use descends from appearing.
Preferably, a shell is arranged outside the brake base, and the shell covers the brake base and the rotor. The casing all wraps up brake base and rotor in inside for protection brake base and rotor can prevent on the one hand that the external world from causing the damage to rotor and brake base, and on the other hand also can prevent that brake base and rotor from flying to the motor outside at the flying chips that the during operation produced, also have certain noise reduction effect simultaneously.
Preferably, the rotor is provided with fan blades, the fan blades are sleeved at one end of the rotor and are positioned in the shell, and the fan blades are used for dissipating heat for the motor. The rotor is provided with fan blades which rotate along with the movement of the rotor, so that the shell is not overheated.
Preferably, the radial dimension of the fan blade is larger than that of the brake base. The radial dimension of the fan blade is large, so that when the fan blade rotates, air flow in a plurality of areas in the shell except the brake base part is brought, and the heat dissipation effect of the fan blade is enhanced.
The utility model has the advantages that: through placing the velometer coil pack inside the brake base, reduce the location spare part that the assembly needs to reduce the installation procedure, reduce cost can reduce the space simultaneously, also has fine guard action to the velometer coil pack.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of a speed-adjustable electromagnetic braking motor according to the present invention.
Fig. 2 is a cross-sectional view of a second embodiment of the speed-adjustable electromagnetic braking motor of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
The first embodiment is as follows:
as shown in figure 1, the speed-regulating electromagnetic brake motor comprises a speed-measuring component 3, a rotor 1 and a brake base 2, wherein the brake base 2 is cylindrical, a cavity is formed in the brake base 2, an annular groove 10 is formed in the cavity along the radial direction outwards, the speed-measuring component 3 is clamped in the annular groove 10, the rotor 1 penetrates through the cavity, the speed-measuring component 3 is sleeved on the rotor 1, a shell 5 is arranged outside the brake base 2, and the shell 5 covers the brake base 2 and the rotor 1. Place the subassembly 3 that tests the speed in brake base 2, come to directly fix the subassembly 3 that tests the speed through brake base 2, it is fixed to the subassembly 3 that tests the speed to need not from the outside, can effectively reduce the location spare part that the assembly needs, reduce the installation procedure simultaneously, the cost is reduced, shorten the installation space, reduce the total length of motor, brake base 2 plays the guard action to the subassembly 3 that tests the speed simultaneously, can better reduce the external force influence that velometer coil 7 received, avoid leading to the spare part collision wearing and tearing each other in the subassembly 3 that tests the speed on the one hand, cause the running noise and influence life, on the other hand can prevent that foreign object from disturbing the subassembly 3 that tests the speed, use effect and degree of accuracy are improved. Be provided with annular groove 10 in the cavity, arrange annular groove 10 in with speed measuring component 3, carry out the butt location with speed measuring component 3 through the lateral wall of annular groove 10 for speed measuring component 3's radial and circumference are all fixed a position accurately, need not to install the location work piece, only need process out the annular groove 10 that needs the size can, further reduced the location spare part, simplified installation procedure, thereby the cost is reduced.
As shown in the enlarged partial view of fig. 1, the speed measuring assembly 3 includes a coil 7, a magnetic ring 6 and an annular coil skeleton 8, the magnetic ring 6 is rotatably connected with the rotor 1, the coil 7 is fixed on the outer side of the magnetic ring 6, the coil skeleton 8 is sleeved on the outer side of the magnetic ring 6, the coil skeleton 8 is clamped in the annular groove 10, and the coil 7 is fixed inside the coil skeleton 8. Be provided with coil 7 and magnetic ring 6 for can realize the speed governing to the motor, on the basis of saving space, easy to assemble, the function assurance of subassembly 3 that tests the speed is complete, does not influence the use of motor. Be provided with coil skeleton 8 and be used for fixed coil 7, when can making coil 7 by coil skeleton 8 pinpoint, also play the guard action to coil 7, prevent that coil 7 from receiving external interference and leading to unable use or the circumstances that the result of use descends appearing.
As shown in fig. 1, a fan blade 4 is arranged on a rotor 1, the fan blade 4 is sleeved on one end of the rotor 1, the fan blade 4 is positioned in a shell 5, the radial size of the fan blade 4 is larger than that of a brake base 2, and the fan blade 4 is used for heat dissipation of a motor. In the higher motor of power, be provided with fan blade 4 on rotor 1, the radial dimension of fan blade 4 is big for fan blade 4 rotates along with rotor 1's motion, brings the air flow of more multizone except that brake base 2 part in the casing 5, can effectively dispel the heat to the motor, makes be unlikely to overheated and influence normal operating in the casing 5.
The second concrete embodiment:
as shown in fig. 2 (a cross-sectional view with the casing 5 removed), the rotor 1 is not provided with the fan blades 4. On a motor with lower power, excessive heat cannot be generated, and heat dissipation can be ensured only by heat transfer, so that the fan blades 4 are not needed, the installation space in the shell 5 can be further reduced, and the structure is more compact.
Except for the above features, other features are the same as those of the first embodiment.
Claims (7)
1. The utility model provides a speed governing electromagnetic braking motor, its characterized in that includes speed measuring component, rotor and brake base, brake base is the cylinder, and the inside cavity that is equipped with of brake base, the rotor runs through the cavity, speed measuring component also sets up in the cavity, and the speed measuring component cover is established on the rotor.
2. An adjustable speed electromagnetic brake motor according to claim 1, wherein the cavity is formed radially outwardly with an annular recess, the tachometer assembly being disposed within the annular recess.
3. A speed-regulated electromagnetic brake motor according to claim 2, wherein said speed measuring assembly comprises a coil and a magnetic ring, said magnetic ring being rotatably connected to the rotor, said coil being fixed to the outside of the magnetic ring.
4. A speed-regulating electromagnetic brake motor according to claim 3, wherein said speed measuring assembly comprises a ring-shaped bobbin, said bobbin is fitted over the outside of said magnetic ring and said bobbin is engaged in said annular groove, said coil is fixed inside said bobbin.
5. The speed-regulating electromagnetic brake motor according to claim 1, wherein a housing is arranged outside the brake base, and the housing covers the brake base and the rotor.
6. A speed-regulating electromagnetic brake motor according to claim 5, wherein said rotor is provided with blades, said blades are fitted over one end of the rotor and located within the housing, the blades are used to dissipate heat from the motor.
7. A speed-regulating electromagnetic brake motor according to claim 6, wherein the radial dimension of said fan blades is greater than the radial dimension of said brake base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847669.0U CN218335650U (en) | 2022-07-14 | 2022-07-14 | Speed-regulating electromagnetic braking motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847669.0U CN218335650U (en) | 2022-07-14 | 2022-07-14 | Speed-regulating electromagnetic braking motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335650U true CN218335650U (en) | 2023-01-17 |
Family
ID=84871504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221847669.0U Active CN218335650U (en) | 2022-07-14 | 2022-07-14 | Speed-regulating electromagnetic braking motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335650U (en) |
-
2022
- 2022-07-14 CN CN202221847669.0U patent/CN218335650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110518745A (en) | Motor radiating structure | |
| CN218335650U (en) | Speed-regulating electromagnetic braking motor | |
| CN216774407U (en) | External rotor motor with novel heat radiation structure | |
| CN207819692U (en) | A kind of servo wheel hub motor | |
| CN111971878A (en) | Rotary wing device | |
| CN108199538A (en) | A kind of servo wheel hub motor | |
| CN201079909Y (en) | Servo motor driven high speed electric main shaft system | |
| CN112600357A (en) | Motor and motor air cooling structure thereof | |
| CN208099903U (en) | A kind of electric main shaft of digital control machine tool structure | |
| CN208986753U (en) | A kind of tail placing type electric main shaft structure with brake function | |
| CN217071966U (en) | Motor for grinding machine | |
| CN213858748U (en) | Grinding head electric spindle structure | |
| CN210111785U (en) | Braking structure of motor | |
| CN221305684U (en) | Centrifugal high-speed air compressor | |
| CN219067939U (en) | Axial fan for aviation | |
| CN220156370U (en) | Device for inserting permanent magnet rotor of electric spindle into stator | |
| CN112104143A (en) | Motor with air cooling structure | |
| CN116545158B (en) | Built-in centrifugal guide vane reel structure | |
| CN110323882A (en) | A kind of electric machine structure of dish-style motor | |
| CN213367547U (en) | Permanent magnet type stepping motor | |
| CN220118508U (en) | Magnetic suspension axial bearing assembly and compressor | |
| CN217582915U (en) | Bearing cooling structure | |
| CN215009963U (en) | Sewing machine direct drive motor with magnetic encoder | |
| CN110690782A (en) | Vibration-damping air-cooling woodworking electric spindle | |
| CN216086322U (en) | Liquid cooling motor with rear electric spindle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |