CN217873909U - Mechanical clutch type brake device - Google Patents
Mechanical clutch type brake device Download PDFInfo
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- CN217873909U CN217873909U CN202221468619.1U CN202221468619U CN217873909U CN 217873909 U CN217873909 U CN 217873909U CN 202221468619 U CN202221468619 U CN 202221468619U CN 217873909 U CN217873909 U CN 217873909U
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- rotation stopping
- stopping piece
- brake
- magnet
- rotation
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Abstract
The application discloses machinery separation and reunion formula brake equipment. This mechanical separation and reunion formula brake equipment includes: the rotation stopping piece is fixed at the telescopic end of the electrostrictive structure through the electrostrictive structure in a mode of matching the electrostrictive structure with the brake pad; the brake block is fixed on a rotating shaft of the motor, and the rotation stopping piece is positioned around the brake block; when the electrostriction structure is electrified, the electrostriction structure drives the rotation stopping piece to contract inwards, so that the rotation stopping piece and the brake pad are separated from each other; when the power of the electrostriction structure is cut off, the electrostriction structure drives the rotation stopping piece to extend outwards, so that the rotation stopping piece clamps the brake pad. The friction disc and the rubber of the core part of the brake are easy to age and lose efficacy, and the technical problem of poor reliability is solved.
Description
Technical Field
The application relates to a motor band-type brake field particularly, relates to a machinery separation and reunion formula brake equipment.
Background
At present, a power-off band-type brake for a motor in the market mainly adopts a friction type brake, and the principle is that after power is lost, a friction plate is pushed by using the elastic force of a spring to be extruded and rubbed with rubber so as to stop a rotating shaft from rotating, but the friction plate and the rubber serving as the core part of the brake are easy to age and lose efficacy, and particularly the reliability is poor in a high-temperature and low-temperature environment.
Aiming at the problems that in the prior art, a friction plate and a rubber sheet of a core part of a brake are easy to age and lose efficacy, and particularly, the reliability is poor in a high-temperature and low-temperature environment, an effective solution is not provided at present.
Disclosure of Invention
The main aim at of this application provides a machinery separation and reunion formula brake equipment to solve the core part's of brake friction disc and rubber all ageing failure easily, the poor problem of reliability.
To achieve the above objects, according to one aspect of the present application, a mechanical clutch type brake apparatus is provided.
The mechanical clutch type brake device according to the application comprises: an electro-strictive structure is provided, which is composed of an electro-strictive structure,
the rotation stopping piece is fixed at the telescopic end of the electrostriction structure;
the brake pad is fixed on a rotating shaft of the motor, and the rotation stopping piece is positioned around the brake pad;
when the electrostriction structure is electrified, the electrostriction structure drives the rotation stopping piece to contract inwards, so that the rotation stopping piece and the brake pad are separated from each other;
when the electrostriction structure is powered off, the electrostriction structure drives the rotation stopping piece to extend outwards, so that the rotation stopping piece clamps the brake pad.
Further, the electrostrictive structure includes: the shell is provided with an electromagnet;
the spring is arranged in the shell, one end of the spring is connected with the rotation stopping piece, and the other end of the spring is connected with the electromagnet;
when the power is on, the electromagnet and the rotation stopping piece are mutually attracted to drive the rotation stopping piece to retract into the shell;
when the power is off, the spring pops up to drive the rotation stopping piece to clamp the brake pad.
Further, the electrostrictive structure includes: the rotation stopping device comprises a shell, a first magnet arranged in the shell and a rotation stopping piece connected with one end of the first magnet;
the second magnet is arranged at the other end of the first magnet, and the magnetic poles of the first magnet and one end of the second magnet close to the first magnet are the same;
an electromagnetic coil connected to the second magnet;
when the electromagnetic coil is electrified, the magnetic poles of the second magnet are switched through the electromagnetic coil, so that the second magnet attracts the first magnet and drives the rotation stopping piece to retract into the shell;
when the power is off, the second magnet enables the first magnet to move towards the outside of the shell through repulsive force, and the rotation stopping piece is driven to clamp the brake pad.
Furthermore, the electrostriction structure is a telescopic cylinder, and the rotation stopping piece is connected with a piston rod of the telescopic cylinder;
when the power is on, the piston rod of the cylinder drives the rotation stopping piece to retract into the cylinder pipe;
when the power is off, the piston rod of the cylinder drives the rotation stopping piece to extend out of the cylinder pipe, and the brake pad is clamped.
Furthermore, the brake block is a gear or a disc with a clamping groove.
Furthermore, the rotation stopping piece is a connecting shaft, a bolt or a rack.
Furthermore, a bearing is arranged on the rotation stopping piece.
Furthermore, the rotation stopping piece is located on the lower side of the brake pad, the electrostrictive structure is located on the left side of the rotation stopping piece, and the axis of the rotation stopping piece is parallel to the axis of the electrostrictive structure.
Furthermore, the rotation stopping piece is located on the lower side of the brake pad, the electrostriction structure is located on the right side of the rotation stopping piece and located below the motor, and the axis of the rotation stopping piece is parallel to the axis of the electrostriction structure.
Furthermore, the rotation stopping piece is located on the lower side of the brake pad, the electrostriction structure is located on the lower side of the rotation stopping piece, and the axis of the rotation stopping piece is perpendicular to the axis of the electrostriction structure.
In the embodiment of the application, an electrostrictive structure, a rotation stopping piece and a brake pad are matched, and the rotation stopping piece is fixed at the telescopic end of the electrostrictive structure through the electrostrictive structure; the brake block is fixed on a rotating shaft of the motor, and the rotation stopping piece is positioned around the brake block; when the electrostriction structure is electrified, the electrostriction structure drives the rotation stopping piece to contract inwards, so that the rotation stopping piece and the brake pad are separated from each other; when the electrostriction structure is powered off, the electrostriction structure drives the rotation stopping piece to extend outwards, so that the rotation stopping piece clamps the brake pad. The purpose of hard braking by utilizing the rotation stopping piece and the brake block is achieved, the technical effect that the brake fails due to aging under the condition of repeated braking is achieved, and the technical problem that the reliability is poor due to the fact that the friction plate and the rubber sheet of the core part of the brake are prone to aging and failure is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and the description of the exemplary embodiments of the present application are provided for explaining the present application and do not constitute an undue limitation on the present application. In the drawings:
FIG. 1 is a schematic structural diagram of a mechanical clutch type brake device and a motor requiring braking according to an embodiment of the application;
fig. 2 is a schematic structural diagram of a first electrostrictive structure according to an embodiment of the present application;
fig. 3 is a schematic structural view of a second electrostrictive structure in accordance with an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a telescopic cylinder according to an embodiment of the present application;
FIG. 5 is a side view of a rotation stop member coupled to a brake pad according to an embodiment of the present application;
FIG. 6 is a side view of the rotation stop member coupled to the brake pad according to the embodiment of the present application;
FIG. 7 is a schematic view of a state where a rotation stop member is coupled to a brake pad according to an embodiment of the present application.
Reference numerals
1. An electrostrictive structure; 2. a rotation stopping member; 3. a brake pad; 4. a spring; 5. an electromagnet; 6. a housing; 7. a first magnet; 8. a second magnet; 9. an electromagnetic coil; 10. a bearing; 11. a motor; 12. a telescopic cylinder.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 7, the present application relates to a mechanical clutch type brake apparatus including: the device comprises an electrostrictive structure 1 and a rotation stopping piece 2, wherein the rotation stopping piece is fixed at the telescopic end of the electrostrictive structure 1; the brake block 3 is fixed on a rotating shaft of the motor 11, and the rotation stopping piece 2 is positioned around the brake block 3; when the electrostriction structure 1 is electrified, the electrostriction structure 1 drives the rotation stopping piece 2 to contract inwards, so that the rotation stopping piece 2 and the brake pad 3 are separated from each other; when the electrostriction structure 1 is powered off, the electrostriction structure 1 drives the rotation stopping piece 2 to extend outwards, so that the rotation stopping piece 2 clamps the brake pad 3.
Specifically, the rotation stopping piece 2 on the electrostrictive structure 1 extends or retracts when being powered on and retracts or extends when being powered off, and the rotation stopping piece 2 on the output end of the electrostrictive structure is driven to extend when braking is needed and is clamped with the brake pad 3 so as to complete braking action, and the rotation stopping piece retracts when braking is not needed so as to avoid interference with the normal work of the motor 11; the rotation stopping element 2 can be a metal rotation stopping element 2 or a non-metal rotation stopping element 2, can be a gear matched with the brake pad 3, can also be a connecting rod matched with the brake pad 3, or can be a special-shaped structure matched with the brake pad 3, and the like, as long as the rotation stopping element can be connected to the brake pad 3 to stop rotating when the rotation stopping element extends out; the brake block 3 is fixedly connected with an output shaft of the motor 11 and can also be detachably connected; the brake block 3 can be connected with the output shaft of the motor 11 at the middle part, or any one part is connected with the output shaft of the motor 11, as long as the output shaft of the motor 11 can be driven to stop rotating when the brake block stops; the rotation stopping piece 2 is positioned around the brake pad 3, is telescopically connected with the brake pad 3, and is used for clamping the brake pad 3 to stop the rotation of the brake pad 3 when braking is needed, so that the output shaft of the motor 11 stops rotating to complete braking action; when the electrostrictive structure 1 is electrified, the output end of the electrostrictive structure 1 contracts inwards, and the rotation stopping piece 2 contracts inwards under the driving of the output end of the electrostrictive structure 1, so that the rotation stopping piece is separated from the brake pad 3; when the electrostriction structure 1 is powered off, the rotation stopping piece 2 is driven by the output shaft of the electrostriction structure 1 to extend outwards, so that the rotation stopping piece is clamped into the brake pad 3 to complete braking; when the brake device is used for braking a 42 stepping motor 11, the locking torque of more than 10Nm (Nm) can be realized only by an axial distance of 4mm, and the brake device is particularly suitable for application occasions with high requirements on large locking torque and high axial distance; so, connect brake block 3 through spline 2 and can accomplish the braking action, and need not pass through frictional mode again, and spline 2 comparatively firm with brake block 3, can not be ageing because of using for a long time.
As can be seen from the above description, in the embodiment of the present application, the electrostrictive structure 1, the rotation stopping member 2 and the brake pad 3 are matched, and are fixed at the telescopic end of the electrostrictive structure 1 through the electrostrictive structure 1 and the rotation stopping member 2; the brake block 3 is fixed on a rotating shaft of the motor 11, and the rotation stopping piece 2 is positioned around the brake block 3; when the electrostrictive structure 1 is electrified, the electrostrictive structure 1 drives the rotation stopping piece 2 to contract inwards, so that the rotation stopping piece 2 and the brake pad 3 are separated from each other; when the electrostriction structure 1 is powered off, the electrostriction structure 1 drives the rotation stopping piece 2 to extend outwards, so that the rotation stopping piece 2 clamps the brake pad 3; the purpose of hard braking by using the rotation stopping piece 2 and the brake pad 3 is achieved, so that the technical effect that the brake fails due to aging cannot occur under the condition of repeated braking is achieved, and the technical problem that the friction plate and the rubber sheet of the core part of the brake are easy to age and lose efficacy and poor in reliability is solved.
Preferably, as shown in fig. 2, the electrostrictive structure 1 includes: a housing 6, an electromagnet 5 arranged in the housing 6; the spring 4 is arranged in the shell 6, one end of the spring 4 is connected with the rotation stopping piece 2, and the other end of the spring 4 is connected with the electromagnet 5; when the brake pad is electrified, the electromagnet 5 and the rotation stopping piece 2 are mutually attracted, the attraction force is larger than the elastic force of the spring 4, and the rotation stopping piece 2 is driven to contract inwards so as to be separated from the brake pad 3 and not to interfere the movement of the brake pad 3; when the power is off, the electromagnet 5 is demagnetized, the spring 4 automatically pops out, so that the rotation stopping piece 2 is driven to extend out, the brake pad 3 is clamped, the brake pad 3 stops rotating, the output shaft of the motor 11 stops rotating, hard braking can be realized, parts which are easy to wear do not exist, if the spring 4 is used for a long time, the device can be continuously used by only replacing the spring 4 after the elasticity of the spring 4 is weakened, and the cost is greatly saved.
Preferably, as shown in fig. 3, the electrostrictive structure 1 includes: the device comprises a shell 6, a first magnet 7 arranged in the shell 6 and a rotation stopping piece 2 connected with one end of the first magnet 7; the second magnet 8 is arranged at the other end of the first magnet 7, and the magnetic poles of the first magnet 7 and the second magnet 8 at the close ends are the same; therefore, in the non-energized state, the first magnet 7 and the second magnet 8 repel each other, so that the first magnet 7 moves outwards from the shell 6 under the repulsive force, and the rotation stopping piece 2 is driven to move outwards and clamped on the brake pad 3 to complete braking; the electromagnetic coil 9 is connected with the second magnet 8, when the electromagnetic coil 9 is electrified, a new magnetic field is formed, the directions of the positive and negative poles of the new magnetic field are opposite to those of the second magnet 8, the magnetic force is greater than the repulsive force between the first magnet 7 and the second magnet 8, the magnetic poles can be instantly reversed to cause opposite poles to attract each other, the first magnet 7 is attracted back, the first magnet 7 moves towards the second magnet 8, and therefore the rotation stopping piece 2 is driven to be separated from the brake pad 3; it can be seen from the above description that there is no material with high wear resistance in the electrostrictive structure 1 and the brake pad 3, and it has long service life, high reliability, simple structure and small volume, and it can complete the braking and retracting actions by repulsion and attraction, and is convenient for use.
Preferably, as shown in fig. 4, the electrostrictive structure 1 is a telescopic cylinder 12, the rotation stopping member 2 is connected to a piston rod of the telescopic cylinder 12, and the rotation stopping member 2 may also be a piston rod, when the power is turned on, the piston rod of the cylinder retracts into the cylinder tube, and the rotation stopping member 2 is driven to retract into the cylinder tube; when the power is off, the piston rod of the air cylinder extends out of the air cylinder pipe to drive the rotation stopping piece 2 to extend out of the air cylinder pipe and be clamped into the brake block 3, so that the brake is realized, and the brake is very convenient and easy to use.
Preferably, the brake pad 3 is a gear, and when a braking action is required, the rotation of the gear can be stopped by extending the rotation stopping member 2 to be clamped on the gear teeth, so that the rotation of the output shaft of the motor 11 is stopped, and hard braking is realized; the larger the area of the brake block 3 is, the larger the notch indexing number is, the smaller the brake virtual position is, the shorter the distance from power-off slipping to complete stopping is, and the faster the braking time is; therefore, the brake pad 3 is very firm and cannot be abraded due to use, so that the brake failure caused by long-term use is avoided; the brake pad 3 can also be a disc with a clamping groove, and when the rotation stopping piece 2 extends out, the brake pad is clamped into the clamping groove to complete braking; when the rotation stopping piece 2 retracts, the rotation stopping piece is separated from the clamping groove, the normal operation of the motor 11 is not influenced, the structure is simple, and the abrasion is not easy to occur.
Preferably, the rotation stopping piece 2 is a connecting shaft, the connecting shaft is connected with the gear teeth or the female clamping part of the brake pad 3 when extending out, the connecting shaft is separated from the brake pad 3 when retracting, and the connecting shaft is a common structure in machinery, so that the structure is simple, the cost is low, the application is wide, and the production cost can be greatly saved; the rotation stopping piece 2 can also be a bolt, the bolt is connected with the gear teeth or the female clamping part of the brake pad 3 when extending out, the bolt is separated from the brake pad 3 when retracting, the radius of the bolt is smaller, the brake pad can be more flexibly adapted to the brake pads 3 with different sizes to complete the braking action, the application is wide, and the cost is low; the rotation stopping piece 2 can also be a rack which is connected with the gear teeth, when the brake is needed, the rack extends out to be connected with the gear teeth, so that the gear cannot rotate, the brake effect is achieved, the brake is very firm and not easy to wear, and even if part of the rack is damaged by external factors, the brake action can be continuously finished by using the rest of the racks, and the brake is more durable.
Preferably, the rotation stopping shaft is provided with 3 bearings 10, in this embodiment, the friction force of the unlocking movement after power-on is reduced by the way of arranging the bearings 10, and the rotation stopping shaft and the brake pad 3 are quickly separated.
Preferably, the rotation stopping piece 2 is positioned at the lower side of the brake pad 3, the electrostrictive structure 1 is positioned at the left side of the rotation stopping piece 2, and the axis of the rotation stopping piece 2 is parallel to the axis of the electrostrictive structure 1; the electrostriction structure 1 only needs to be arranged on any side parallel to the axis of the motor 11, and when the brake is not needed, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 to move to the right side, so that the rotation stopping piece is separated from the brake pad 3; when needing the brake, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 and moves to the left side, so that the brake pad 3 stops rotating by being connected with the brake pad 3 in a clamping manner, different installation scenes can be adapted, the installation mode is various, the installation is simple, the size is small, and the space is saved.
Preferably, the rotation stopping piece 2 is positioned at the lower side of the brake pad 3, the electrostrictive structure 1 is positioned at the right side of the rotation stopping piece 2 and below the motor 11, and the axis of the rotation stopping piece 2 is parallel to the axis of the electrostrictive structure 1; when the brake is not needed, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 to move towards the left side so as to be separated from the brake pad 3; when a brake is needed, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 to move to the right side, so that the rotation stopping piece is connected with the brake pad 3 in a clamping mode, the brake pad 3 stops rotating, the installation is simple, the size is small, and the space is saved.
Preferably, the rotation stopping piece 2 is positioned at the lower side of the brake pad 3, the electrostrictive structure 1 is positioned at the lower side of the rotation stopping piece 2, and the axis of the rotation stopping piece 2 is perpendicular to the axis of the electrostrictive structure 1; when the brake is not needed, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 to move downwards so as to be separated from the brake pad 3; when needing the brake, the rotation stopping piece 2 is driven by the output end of the electrostriction structure 1 and moves upwards to be connected with the brake block 3 in a clamping way, so that the brake block 3 stops rotating, the structure is simple, the size is small, and different installation requirements of consumers can be met.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. Mechanical separation and reunion formula brake equipment, its characterized in that includes:
an electro-strictive structure is provided, which is composed of an electro-strictive structure,
the rotation stopping piece is fixed at the telescopic end of the electrostriction structure;
the brake block is fixed on a rotating shaft of the motor, and the rotation stopping piece is positioned around the brake block;
when the electrostriction structure is electrified, the electrostriction structure drives the rotation stopping piece to contract inwards, so that the rotation stopping piece and the brake pad are separated from each other;
when the electrostriction structure is powered off, the electrostriction structure drives the rotation stopping piece to extend outwards, so that the rotation stopping piece clamps the brake pad.
2. The mechanical clutch-type brake device according to claim 1, characterized in that said electrostrictive structure comprises: the shell is arranged on the electromagnet in the shell;
the spring is arranged in the shell, one end of the spring is connected with the rotation stopping piece, and the other end of the spring is connected with the electromagnet;
when the power is on, the electromagnet and the rotation stopping piece are mutually attracted to drive the rotation stopping piece to retract into the shell;
when the power is off, the spring pops up to drive the rotation stopping piece to clamp the brake pad.
3. The mechanical clutch-type brake device according to claim 1, characterized in that said electrostrictive structure comprises: the device comprises a shell, a first magnet arranged in the shell and a rotation stopping piece connected with one end of the first magnet;
the second magnet is arranged at the other end of the first magnet, and the magnetic poles of the first magnet and one end of the second magnet close to the first magnet are the same;
an electromagnetic coil connected to the second magnet;
when the electromagnetic coil is electrified, the magnetic poles of the second magnet are switched through the electromagnetic coil, so that the second magnet attracts the first magnet and drives the rotation stopping piece to retract into the shell;
when the power is off, the second magnet enables the first magnet to move towards the outside of the shell through repulsive force, and the rotation stopping piece is driven to clamp the brake pad.
4. The mechanical clutch brake apparatus according to claim 1, wherein the electrostrictive structure is a telescopic cylinder, and the rotation stopping member is connected to a piston rod of the telescopic cylinder;
when the power is on, the piston rod of the cylinder drives the rotation stopping piece to retract into the cylinder pipe;
when the power is off, the piston rod of the cylinder drives the rotation stopping piece to extend out of the cylinder pipe, and the brake pad is clamped.
5. The mechanical clutch brake apparatus of claim 1, wherein the brake plate is a gear or a disc having a snap groove.
6. The mechanical clutch brake apparatus of claim 1, wherein the rotation stop member is a connecting shaft, a latch, or a rack.
7. The mechanical clutch brake apparatus of claim 1, wherein the anti-rotation member is provided with a bearing.
8. The mechanical clutch brake assembly of claim 1, wherein the anti-rotation member is located on a lower side of the brake pad, the electrostrictive structure is located on a left side of the anti-rotation member, and an axis of the anti-rotation member and an axis of the electrostrictive structure are parallel to each other.
9. The mechanical clutch brake assembly of claim 1, wherein the rotation stop member is located on a lower side of the brake pad, the electrostrictive structure is located on a right side of the rotation stop member and below the motor, and an axis of the rotation stop member and an axis of the electrostrictive structure are parallel to each other.
10. The mechanical clutch brake assembly of claim 1, wherein the anti-rotation member is located on an underside of the brake plate and the electrostrictive structure is located on an underside of the anti-rotation member, an axis of the anti-rotation member being perpendicular to an axis of the electrostrictive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468619.1U CN217873909U (en) | 2022-06-13 | 2022-06-13 | Mechanical clutch type brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468619.1U CN217873909U (en) | 2022-06-13 | 2022-06-13 | Mechanical clutch type brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873909U true CN217873909U (en) | 2022-11-22 |
Family
ID=84096074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221468619.1U Active CN217873909U (en) | 2022-06-13 | 2022-06-13 | Mechanical clutch type brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873909U (en) |
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2022
- 2022-06-13 CN CN202221468619.1U patent/CN217873909U/en active Active
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