CN216555065U - Electromagnetic brake and motor applying same - Google Patents
Electromagnetic brake and motor applying same Download PDFInfo
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- CN216555065U CN216555065U CN202123347578.9U CN202123347578U CN216555065U CN 216555065 U CN216555065 U CN 216555065U CN 202123347578 U CN202123347578 U CN 202123347578U CN 216555065 U CN216555065 U CN 216555065U
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- electromagnetic brake
- end cover
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Abstract
The utility model provides an electromagnetic braking ware and use its motor, relates to motor braking technical field for solve current motor braking ware spare part quantity more, repair the technical problem of maintaining the difficulty. The electromagnetic brake includes: the motor shaft is connected with a spline housing through a flat key and connected with the friction plate through a spline connection mode, and meanwhile, the flange plate is connected with the rear end cover; the armature is connected with the rear end cover, a gap is reserved between the armature and the rear end cover, the coil is installed in the rear end cover, and springs are installed inside and outside the coil.
Description
Technical Field
The utility model relates to the technical field of motor braking, in particular to an electromagnetic brake and a motor using the same.
Background
At present, the electromagnetic brake of the motor provided in the prior art, as shown in fig. 1, includes: the motor comprises a rear end cover 1 connected with a motor shell, a motor shaft 2 is connected with the rear end cover 1 through a bearing 3, a spline sleeve 4 is connected to the motor shaft 2 through a flat key and connected with a friction plate 5 through a spline connection mode, and a flange plate 6 is arranged between the friction plate 5 and the rear end cover 1; the armature 7 is connected to the stator 9 through a hollow bolt 8, a certain gap is reserved between the armature 7 and the stator 9, and a coil 10 is arranged in the stator 9; the bolt 11 passes through the stator 9, the hollow bolt 8 and the flange 6 and is in threaded connection with the rear end cover 1 to connect all parts together; meanwhile, inside the stator 9, springs 12 are installed inside and outside the coils 10, as shown in fig. 2.
However, in the prior art, the number of parts of the electromagnetic brake of the motor is relatively large, the structural maintenance is difficult, when the friction plate is seriously worn or fails and needs to be replaced, the parts on the right side of the friction plate (i.e. the hollow bolt, the armature, the coil, the stator and the bolt) need to be removed, and the hollow bolt is difficult to purchase and process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electromagnetic brake and a motor using the same, which are used for solving the technical problems that the existing motor brake is large in number of parts and difficult to repair and maintain.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an electromagnetic brake comprising: the motor shaft is connected with a spline sleeve through a flat key and is connected with the friction plate through a spline connection mode, and meanwhile, the flange plate is connected with the rear end cover;
the armature is connected with the rear end cover, a gap is reserved between the armature and the rear end cover, the coil is installed in the rear end cover, and springs are installed inside and outside the coil.
The flange plate is connected with the rear end cover through a first bolt.
Wherein the armature is connected to the rear end cap by a second bolt.
Specifically, when the coil is not energized, the spring pushes the armature and presses the friction plate.
Specifically, when the coil is electrified, the armature can be adsorbed, so that gaps are generated among the friction plate, the flange plate and the armature.
In practical application, the electromagnetic brake further comprises: and the manual unlocking device is used for manually unlocking and braking and can manually return to brake.
Wherein, manual unlocking device includes: the handle is provided with a return spring, and the brake block is connected with the handle, a third bolt is connected with the brake block, and the third bolt can be used for pulling the armature.
Specifically, when the handle is pulled upwards or downwards, the handle pulls the third bolt through the brake block by utilizing the lever principle, and the third bolt pulls the armature to enable the armature to be close to the rear end cover, so that a gap is generated between the friction plate and the flange plate as well as between the friction plate and the armature, and the brake is unlocked.
Specifically, when the handle is loosened, the return spring bounces off the third bolt, so that the spring in the rear end cover pushes the armature and presses the friction plate to brake.
An electric machine comprising: an electromagnetic brake as claimed in any one of the preceding claims.
Compared with the prior art, the electromagnetic brake and the motor applying the same have the following advantages:
in the electromagnetic brake and the motor applying the same provided by the utility model, the rear end cover is connected with the motor shaft through the bearing, the motor shaft is connected with the spline housing through the flat key and is connected with the friction plate through the spline connection mode, and meanwhile, the flange plate is connected with the rear end cover; in addition, the armature is connected with the rear end cover, a gap is reserved between the armature and the rear end cover, the coil is arranged in the rear end cover, and springs are arranged inside and outside the coil, so that the electromagnetic brake and the motor applying the electromagnetic brake adopt an integrated structure of the rear end cover and the stator, the friction plate is arranged close to the outer side of the motor, and only the flange plate needs to be disassembled when the friction plate is replaced, so that the number of parts is relatively small, and meanwhile, the repair and maintenance are very convenient and simple.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an electromagnetic brake of a motor provided in the prior art;
fig. 2 is a schematic diagram of an internal structure of an electromagnetic brake of a motor provided in the prior art;
fig. 3 is a schematic cross-sectional structural diagram of an electromagnetic brake provided in an embodiment of the present invention;
fig. 4 is a schematic internal structural diagram of an electromagnetic brake provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a manual unlocking device in an electromagnetic brake provided in an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structural diagram of a manual unlocking device in an electromagnetic brake provided in an embodiment of the present invention.
Reference numerals:
1-rear end cap; 2-motor shaft; 3-a bearing; 4-spline housing; 5-friction plate; 6-a flange plate; 7-an armature; 8-a hollow bolt; 9-a stator; 10-a coil; 11-a bolt; 12-a spring; 131-a first bolt; 132-a second bolt;
14-manual unlocking means; 141-a return spring; 142-a handle; 143-brake pads; 144-third bolt.
Detailed Description
For convenience of understanding, the electromagnetic brake and the motor using the same provided by the embodiments of the present invention are described in detail below with reference to the drawings of the specification.
An embodiment of the present invention provides an electromagnetic brake, as shown in fig. 3 and 4, including: the motor comprises a rear end cover 1 connected with a motor shell, wherein the rear end cover 1 is connected with a motor shaft 2 through a bearing 3, the motor shaft 2 is connected with a spline sleeve 4 through a flat key and is connected with a friction plate 5 through a spline connection mode, and meanwhile, a flange plate 6 is connected with the rear end cover 1;
the armature 7 is connected with the rear end cover 1, a gap is reserved between the armature 7 and the rear end cover 1, the coil 10 is installed in the rear end cover 1, and springs 12 are installed inside and outside the coil 10.
An embodiment of the present invention further provides a motor, including: the electromagnetic brake of any one of the above claims, and the electromagnetic brake is a power-off brake.
Compared with the prior art, the electromagnetic brake and the motor applying the electromagnetic brake have the following advantages:
in the electromagnetic brake and the motor applying the electromagnetic brake provided by the embodiment of the utility model, the rear end cover 1 is connected with the motor shaft 2 through the bearing 3, the motor shaft 2 is connected with the spline housing 4 through the flat key and is connected with the friction plate 5 through the spline connection mode, and the flange 6 is connected with the rear end cover 1; in addition, the armature 7 is connected with the rear end cover 1, a gap is reserved between the armature 7 and the rear end cover 1, the coil 10 is installed in the rear end cover 1, and the spring 12 is installed inside and outside the coil 10, so that the electromagnetic brake and the motor applying the electromagnetic brake provided by the embodiment of the utility model adopt an integrated structure of the rear end cover 1 and the stator, the friction plate 5 is installed close to the outer side of the motor, and only the flange plate 6 needs to be disassembled when the friction plate 5 is replaced, so that the number of parts is relatively small, and meanwhile, the repair and maintenance are very convenient and simple.
As shown in fig. 3, the flange 6 may be connected to the rear cover 1 by a first bolt 131.
As shown in fig. 3, the armature 7 may be connected to the rear end cover 1 by a second bolt 132.
Specifically, as shown in fig. 3 in conjunction with fig. 4, when the coil 10 is not energized, the spring 12 pushes the armature 7 and presses the friction plate 5, thereby performing braking well.
Specifically, as shown in fig. 3 and 4, when the coil 10 is energized, the armature 7 is attracted, so that a gap is formed between the friction plate 5 and the flange 6 and the armature 7, and the brake is released well.
In practical applications, as shown in fig. 5 and 6, the electromagnetic brake provided by the embodiment of the present invention may further include: and the manual unlocking device 14 can be used for manually unlocking the brake, and can be manually returned for braking.
As shown in fig. 5 and 6, the manual unlocking device 14 may include: a handle 142 with a return spring 141, and a stop 143 connected to the handle 142, a third bolt 144 being connected to the stop 143, and the third bolt 144 being able to be used to pull the armature 7.
Specifically, as shown in fig. 5 and 6, when the handle 142 is pulled up or down, the handle 142 passes through point a (downward pulling) or point B (upward pulling) of the brake pad 143 and pulls the third bolt 144 by using the lever principle, and the third bolt 144 pulls the armature 7 to make the armature 7 close to the rear end cover 1, so that a gap is generated between the friction plate 5 and the flange plate 6 and the armature 7, and the brake is unlocked.
Specifically, as shown in fig. 5 and 6, when the handle 142 is released, the return spring 141 springs the third bolt 144, so that the spring 12 in the rear end cover 1 pushes the armature 7 and presses the friction plate 5 to perform braking.
In summary, the electromagnetic brake and the motor using the same provided by the embodiments of the present invention mainly have the following advantages:
the rear end cover and the stator are integrated, so that the brake is simpler in structure and is beneficial to processing and assembling;
secondly, the use of more complex parts in the prior art, such as hollow bolts, is avoided, so that the manufacture and purchase are more convenient;
thirdly, the number of parts is relatively small, and the structure is simple;
and fourthly, when the friction plate is replaced, the friction plate can be replaced only by disassembling the bolt and taking off the flange plate, and the maintenance is very convenient.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An electromagnetic brake, comprising: the motor shaft is connected with a spline sleeve through a flat key and is connected with the friction plate through a spline connection mode, and meanwhile, the flange plate is connected with the rear end cover;
the armature is connected with the rear end cover, a gap is reserved between the armature and the rear end cover, the coil is installed in the rear end cover, and springs are installed inside and outside the coil.
2. The electromagnetic brake of claim 1, wherein the flange is connected to the rear end cap by first bolts.
3. The electromagnetic brake of claim 1, wherein the armature is attached to the rear end cap by a second bolt.
4. The electromagnetic brake of any one of claims 1-3, wherein the spring urges the armature and compresses the friction plate when the coil is not energized.
5. The electromagnetic brake of any one of claims 1-3, wherein the coil, when energized, attracts the armature to create a gap between the friction plate and the flange and armature.
6. The electromagnetic brake of claim 1, further comprising: and the manual unlocking device is used for manually unlocking and braking and can manually return to brake.
7. The electromagnetic brake of claim 6, wherein the manual unlocking means comprises: the handle is provided with a return spring, and the brake block is connected with the handle, a third bolt is connected with the brake block, and the third bolt can be used for pulling the armature.
8. The electromagnetic brake of claim 7, wherein when the handle is pulled up or down, the handle pulls the third bolt through the brake block and by using the principle of leverage, and the third bolt pulls the armature to make the armature close to the rear end cover, so that a gap is generated between the friction plate and the flange plate and the armature, and the brake is unlocked.
9. The electromagnetic brake of claim 7, wherein upon release of the handle, said return spring springs said third bolt to cause said spring in said rear end cap to push said armature and compress said friction plate for braking.
10. An electric machine, comprising: an electromagnetic brake as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123347578.9U CN216555065U (en) | 2021-12-29 | 2021-12-29 | Electromagnetic brake and motor applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123347578.9U CN216555065U (en) | 2021-12-29 | 2021-12-29 | Electromagnetic brake and motor applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555065U true CN216555065U (en) | 2022-05-17 |
Family
ID=81559464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123347578.9U Active CN216555065U (en) | 2021-12-29 | 2021-12-29 | Electromagnetic brake and motor applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555065U (en) |
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2021
- 2021-12-29 CN CN202123347578.9U patent/CN216555065U/en active Active
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