CN218992179U - Brake, brake motor and brake system - Google Patents
Brake, brake motor and brake system Download PDFInfo
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- CN218992179U CN218992179U CN202222888219.2U CN202222888219U CN218992179U CN 218992179 U CN218992179 U CN 218992179U CN 202222888219 U CN202222888219 U CN 202222888219U CN 218992179 U CN218992179 U CN 218992179U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 58
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- 239000003292 glue Substances 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
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Abstract
The utility model relates to the technical field of motors and discloses a brake, a brake motor and a brake system, wherein the brake comprises a base, an electromagnetic actuating assembly, a moving assembly, a brake assembly, a friction assembly and at least one elastic assembly; the motor shaft sequentially penetrates through the base, the moving assembly, the friction assembly and the braking assembly along the axial direction of the motor shaft, the base is provided with at least one first positioning portion, and/or the base is composed of at least three supporting ribs, hollowed-out portions are formed between the supporting ribs, at least one second positioning assembly is arranged on the supporting ribs, and the first positioning portion and/or the second positioning assembly are used for placing the electromagnetic actuating assembly. Based on the structure, a certain gap is formed between the first positioning part and the base after the magnetic yoke is installed when the magnetic yoke is placed by the first positioning part, and the hollowed-out part is arranged on the base when the magnetic yoke is placed by the second positioning component of the supporting rib, so that heat dissipation is facilitated, and heat dissipation performance is optimized.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a brake, a brake motor and a brake system.
Background
The braking motor is a fully-closed self-fan-cooled three-phase asynchronous motor with an additional disc type direct current brake, and has the advantages of rapid braking, simple structure, high reliability, strong universality and the like. The brake has a release mechanism and is widely applied to various mechanical equipment and transmission devices requiring quick stop and accurate positioning, and the principle is that the brake torque is generated by pressing a moving assembly to a rotor, and when the brake needs to be released, the moving assembly releases the rotor by generating a magnetic field.
The base of the existing brake is generally of a disc-shaped structure, and the heat dissipation performance of the base is poor, so that the heat dissipation of a brake motor is not facilitated.
Disclosure of Invention
The utility model aims to provide a brake.
In order to achieve the above object, the present utility model provides a brake applied to a motor including a motor shaft, characterized in that the brake includes:
a base and at least one electromagnetic actuating assembly disposed on the base;
the brake assembly is sleeved on the motor shaft and is in a braking state for braking the motor shaft or in a non-braking state for rotating the motor shaft;
a moving assembly arranged on one side of the electromagnetic actuating assembly away from the base, wherein the moving assembly can move along the axial direction of the motor shaft to enable the braking assembly to be in a braking state or a non-braking state;
the elastic component can stretch and retract along the axial direction of the motor shaft to push the moving component to move;
the motor shaft sequentially passes through the base, the moving assembly, the friction assembly and the braking assembly along the axial direction of the motor shaft; wherein,,
the base is provided with at least one first positioning part, and the first positioning part is used for placing the electromagnetic actuating component so as to form a preset distance between the electromagnetic actuating component and the base;
and/or the number of the groups of groups,
the base comprises at least three supporting ribs, hollowed-out parts are formed between the supporting ribs, at least one second positioning component is arranged on the supporting ribs, and the second positioning component is used for placing the electromagnetic actuating component.
In some embodiments of the present application, the first positioning portion is a positioning post, or,
the second positioning component is at least one of a positioning column, a positioning groove and a positioning sleeve provided with at least one groove.
In some embodiments of the present application, the first positioning parts are at least two, and the first positioning parts are arranged along the circumferential direction of the base; and/or the number of the groups of groups,
the number of the second positioning assemblies is at least two, and the second positioning assemblies are arranged along the circumferential direction of the base;
the electromagnetic actuating assembly is not sleeved on the motor shaft.
In some embodiments of the present application, the electromagnetic actuating assembly is disposed on an end surface of the base, and/or,
the electromagnetic actuating component is arranged on the supporting rib, and/or,
the electromagnetic actuating assembly is arranged at the first positioning part, and/or,
the electromagnetic actuating assembly is arranged on the second positioning assembly.
In some embodiments of the present application, there are at least two electromagnetic actuating assemblies, including a yoke and an exciting coil disposed at the yoke, wherein,
the exciting coils of two adjacent yokes are connected in parallel or in series; and/or the number of the groups of groups,
the exciting coils of two adjacent yokes are formed by winding a wire, the winding directions of the exciting coils are the same or opposite, and/or,
the brake further comprises a power supply component, and the exciting coils of two adjacent yokes are mutually independent and connected with the power supply component.
In some embodiments of the present application, the yoke is circumferentially wound with the field coil, and/or,
the yoke is provided with a housing chamber for housing the exciting coil.
In some embodiments of the present application, the maximum axial distance of the elastic assembly fixed end to the moving assembly is no greater than the maximum axial length of the elastic assembly.
In some embodiments of the present application, the elastic component is disposed between the moving component and the electromagnetic actuating component, the elastic component and the electromagnetic actuating component are fixedly connected through a first fixing structure,
and/or the number of the groups of groups,
the elastic component is arranged between the moving component and the electromagnetic actuating component, the end surface of the electromagnetic actuating component is provided with a first accommodating hole, the elastic component is fixedly connected with the hole bottom surface of the first accommodating hole,
and/or the number of the groups of groups,
the elastic component is arranged between the base and the moving component, the elastic component is fixedly connected with the base through a second fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the base and the moving component, the end surface of the base is provided with a second accommodating hole, the elastic component is fixedly connected with the bottom surface of the second accommodating hole,
and/or the number of the groups of groups,
the elastic component is fixedly connected with the moving component through a third fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the movable component and the rear end cover of the brake, the elastic component is fixedly connected with the rear end cover of the brake through a fourth fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the moving component and the braking component, and the elastic component is fixedly connected with the braking component through a fifth fixing structure.
In some embodiments of the present application, the brake has at least one guide member disposed parallel to the motor shaft, the moving assembly is provided with a first through hole or a chute corresponding to the number of the guide members in a one-to-one manner, and the guide member is inserted into the first through hole or the chute;
the first end of the guide piece is integrally formed with the electromagnetic actuating component and/or the base, the second end of the guide piece is fixedly connected or embedded with the braking component,
and/or the number of the groups of groups,
the first end of the guide piece is integrally formed with the electromagnetic actuating assembly and/or the base, the second end of the guide piece is fixedly connected with the rear end cover of the brake,
and/or the number of the groups of groups,
the first end of the guide piece is fixedly connected with the electromagnetic actuating assembly and/or the base, and the second end of the guide piece is integrally formed with the brake assembly and/or the rear end cover of the brake;
and/or the number of the groups of groups,
the first end of the guide piece is fixedly connected with the electromagnetic actuating assembly and/or the base, and the second end of the guide piece is fixedly connected with the braking assembly and/or the rear end cover of the brake.
In some embodiments of the present application, the brake motor is further provided with a heat dissipating assembly,
the heat dissipation assembly comprises heat dissipation glue wrapping the electromagnetic actuation assembly; or,
the heat dissipation assembly comprises a first heat dissipation rubber sleeve sleeved on the outer peripheral wall of the electromagnetic actuation assembly; or,
the heat dissipation assembly comprises a second heat dissipation rubber sleeve, a second accommodating groove is formed in the second heat dissipation rubber sleeve, and the electromagnetic actuation assembly is located in the second accommodating groove; or,
the heat dissipation assembly and the base are integrally formed, the heat dissipation assembly is provided with a third accommodating groove, the electromagnetic actuating assembly is positioned in the third accommodating groove, and the shape of the third accommodating groove is matched with the outer contour of the electromagnetic actuating assembly; or,
the heat dissipation assembly comprises a water-cooled tube or an oil-cooled tube wound around the electromagnetic actuation assembly; or,
the second positioning component comprises a positioning sleeve provided with at least one groove, and the heat dissipation component is the positioning sleeve.
Another object of the present utility model is to provide a brake motor, which includes a motor body and the brake described above.
Another object of the present utility model is also to provide a brake system comprising the brake described above.
Compared with the prior art, the utility model provides the brake which has the beneficial effects that:
the utility model provides a brake applied to a motor, the motor comprises a motor shaft, the brake comprises a base, at least one electromagnetic actuating component, a braking component, a moving component and at least one elastic component, the electromagnetic actuating component, the braking component and the moving component are arranged on the base, the braking component is sleeved on the motor shaft and is in a braking state of braking the motor shaft or in a non-braking state of rotating the motor shaft, the moving component is arranged on one side of the electromagnetic actuating component far away from the base, the moving component can move along the axial direction of the motor shaft to enable the braking component to be in the braking state or the non-braking state, the elastic component can stretch out and draw back along the axial direction of the motor shaft, the moving component is pushed to move, and the motor shaft sequentially passes through the base, the moving component, the friction component and the braking component along the axial direction of the motor shaft; the base is provided with at least one first positioning part, and/or the base is composed of at least three supporting ribs, a hollowed-out part is formed between the supporting ribs, at least one second positioning component is arranged on the supporting ribs, and the first positioning part and/or the second positioning component are used for placing the electromagnetic actuating component. Based on the structure, a certain gap is formed between the first positioning part and the base after the magnetic yoke is installed when the magnetic yoke is placed by the first positioning part, and the hollowed-out part is arranged on the base when the magnetic yoke is placed by the second positioning component of the supporting rib, so that heat dissipation is facilitated, and heat dissipation performance is optimized.
In addition, the utility model also provides a braking motor, and the brake is adopted, so that the heat dissipation performance is good, and the braking effect is good.
Drawings
FIG. 1 is a schematic view of a brake according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a split structure of a brake according to an embodiment of the present utility model.
In the figure: 1. a motor shaft; 2. a brake; 22. a moving assembly; 221. a first through hole; 23. a brake assembly; 24. a base; 241a, first support ribs; 241b, second support ribs; 241c, third support ribs; 242. a second positioning assembly; 243. a hollowed-out part; 25. an electromagnetic actuation assembly; 251. a yoke; 251a, a first accommodation hole; 252. an exciting coil; 26. a guide member; 3. a heat dissipation assembly; 31. the second heat dissipation rubber sleeve; 311. and a second accommodation groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e., features defining "first," "second," may explicitly or implicitly include one or more such features. Furthermore, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1 and 2, the embodiment of the present utility model provides a brake motor, which includes a motor body and a brake 2, the motor body includes a motor shaft 1, the brake 2 includes a base 24, and at least one electromagnetic actuating component 25, a moving component 22, a braking component 23 and at least one elastic component disposed on the base 24, the braking component 23 is sleeved on the motor shaft 1, the braking component 23 is in a braking state of the motor shaft 1 or in a non-braking state of rotating the motor shaft 1, the moving component 22 is disposed on a side of the electromagnetic actuating component 25 away from the base 24, the moving component 22 can move along an axial direction of the motor shaft 1 to enable the braking component 23 to be in a braking state or a non-braking state, the elastic component can stretch and retract along an axial direction of the motor shaft 1 to push the moving component 22 to move, the motor shaft 1 axially sequentially passes through the base 24, the moving component 22, the friction component and the braking component 23, and the base 24 has at least the following embodiments:
(1) The base 24 is provided with at least one first positioning portion (not shown in the figures) for housing the electromagnetic actuation assembly 25; when the motor shaft 1 sequentially passes through the base 24, the moving assembly 22 and the braking assembly 23 along the axial direction of the braking motor and the magnetic yoke 251 is placed by adopting the first positioning part, specifically, the first positioning part is provided with a limiting boss or other limiting parts protruding radially along the first positioning part, so that the magnetic yoke 251 can be mounted at the top of the first positioning part or at a position with a preset distance from the base 24, a certain gap is formed between the magnetic yoke 251 and the base 24 after being mounted, heat dissipation is facilitated, and heat dissipation performance is optimized.
(2) At least three supporting ribs are arranged on the base 24, a hollowed-out part 243 is formed between the two supporting ribs, at least one second positioning component 242 is arranged on the supporting ribs, and the second positioning component 242 is used for placing the electromagnetic actuating component 25; the motor shaft 1 sequentially passes through the base 24, the moving assembly 22 and the braking assembly 23 along the axial direction of the braking motor, and when the magnetic yoke 251 is placed by the second positioning assembly 242 adopting the supporting ribs, the base 24 is provided with the hollowed-out part 243, so that heat dissipation is facilitated, and the heat dissipation performance is optimized.
(3) The base 24 is provided with at least one first positioning part, and the base 24 is provided with at least three supporting ribs, wherein a hollowed-out part 243 is formed between the two supporting ribs, at least one second positioning component 242 is arranged on the supporting ribs, and the first positioning part and the second positioning component 242 are used for placing the electromagnetic actuating component 25; the motor shaft 1 sequentially passes through the base 24, the moving assembly 22 and the braking assembly 23 along the axial direction of the braking motor.
Based on the above structure, when the first positioning part is used for placing the magnetic yoke 251, a certain gap is formed between the magnetic yoke 251 and the base 24, and when the second positioning component 242 with the supporting ribs is used for placing the magnetic yoke 251, the base 24 is provided with the hollowed-out part 243, thereby being beneficial to heat dissipation and optimizing heat dissipation performance.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, the first positioning portion is a positioning column, and the second positioning component 242 is at least one of a positioning column, a positioning groove, and a positioning sleeve provided with at least one groove. In this way, the magnetic yoke 251 can be mounted in the positioning posts, the positioning grooves and/or the grooves of the positioning sleeve, so that the magnetic yoke 251 can be mounted and fixed conveniently.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, the second positioning component 242 is a positioning groove and at least one of the second positioning components is not sleeved on the motor shaft 1 by the electromagnetic actuating component 25. In this way, the electromagnetic actuating components 25 are arranged on the outer side of the motor shaft 1 and along the circumferential direction of the base 24, and compared with the case that the magnetic yoke 251 is directly wound on the outer side of the motor shaft 1, the magnetic field distribution of the brake 2 is changed, so that an axial magnetic field is not generated at the motor shaft 1, the performance of the encoder is prevented from being influenced, and the electromagnetic actuating components 25 are arranged in two or more groups, so that the coils are changed from one group to two or more groups, the heat dissipation area is increased, and the heat dissipation is facilitated. Of course, the following other embodiments are also possible: (1) At least two second positioning assemblies 242 are provided, and two or more second positioning assemblies 242 are arranged along the circumferential direction of the base 24; (2) The number of the second positioning assemblies 242 is not less than two, and the second positioning assemblies 242 are arranged along the circumferential direction of the base 24; (3) The first positioning parts are positioning columns and are arranged along the circumferential direction of the base 24, wherein the number of the first positioning parts is not less than two; (4) At least two first positioning portions are provided, at least two second positioning assemblies 242 are provided, and the first positioning portions and the second positioning assemblies 242 are arranged along the circumferential direction of the base 24.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, the support ribs include at least one annular first support rib 241a, at least one annular second support rib 241b, and at least one third support rib 241c located between the first support rib 241a and the second support rib 241 b. In this way, the hollowed-out portion 243 is formed between the first support rib 241a and the second support rib 241b, thereby facilitating heat dissipation. Of course, the third supporting ribs 241c may be provided in plurality to enhance the structural strength of the base 24.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, regarding the installation position of the electromagnetic actuating assembly 25, at least the following embodiments may be mentioned: (1) Part or all of the electromagnetic actuating assembly 25 is disposed on an end face of the base 24; (2) Part or all of the electromagnetic actuating components 25 are arranged on the supporting ribs; (3) Part or all of the electromagnetic actuating assembly 25 is disposed on the first positioning portion; (4) Some or all of the electromagnetic actuating assemblies 25 are disposed in the second positioning assembly 242, specifically, the electromagnetic actuating assemblies 25 are disposed in the positioning posts, the positioning grooves, and/or the grooves of the positioning sleeve; (5) Part of the electromagnetic actuating assembly 25 is arranged on the supporting rib, part of the electromagnetic actuating assembly 25 is arranged on the first positioning part, and part of the electromagnetic actuating assembly 25 is arranged on the second positioning assembly 242.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, there are provided at least two electromagnetic actuating assemblies 25, and the electromagnetic actuating assembly 25 includes a yoke 251 and an exciting coil 252 provided to the yoke 251. Wherein at least the following embodiments can be provided: (1) The exciting coils 252 of the adjacent two yokes 251 are connected in parallel or in series; (2) The exciting coils 252 of two adjacent yokes 251 are formed by winding a wire, and the winding directions of the exciting coils are the same or opposite; (3) The brake 2 further comprises a power supply assembly, and the exciting coils 252 of the two adjacent magnetic yokes 251 are mutually independent and connected with the power supply assembly; (4) The exciting coils 252 of the two adjacent magnet yokes 251 are connected in parallel or in series, and the exciting coils 252 of the two adjacent magnet yokes 251 are mutually independent and connected with a power supply assembly; (5) The exciting coils 252 of the two adjacent yokes 251 are formed by winding a wire, the winding directions of the exciting coils 252 are the same or opposite, and the exciting coils 252 of the two adjacent yokes 251 are mutually independent and connected with a power supply assembly.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, regarding the arrangement of the yoke 251 and the exciting coil 252, at least the following embodiments are possible: (1) an exciting coil 252 is wound around the yoke 251 in the circumferential direction; (2) The yoke 251 is provided with an accommodating chamber for accommodating the exciting coil 252; (1) The part yoke 251 is circumferentially wound with an exciting coil 252, and the part yoke 251 is provided with a receiving cavity for receiving the exciting coil 252.
Alternatively, in the present embodiment, the maximum axial distance of the fixed end of the elastic member to the moving member 22 is not greater than the maximum axial length of the elastic member.
Alternatively, as shown in fig. 1 and 2, in this embodiment, the elastic component is disposed between the moving component 22 and the electromagnetic actuating component 25, and the elastic component is fixedly connected with the electromagnetic actuating component 25 through a first fixing structure, where the first fixing structure may specifically be a connection structure such as a clamping connection, a plugging connection, or the like, and of course, the following other embodiments may also be adopted: (1) The elastic component is arranged between the moving component 22 and the electromagnetic actuating component 25, the end surface of the magnetic yoke 251 facing one side of the moving component 22 is provided with a first accommodating hole 251a which is arranged in a downward extending way, and the elastic component is fixedly connected with the hole bottom surface of the first accommodating hole 251 a; (2) The elastic component is arranged between the base 24 and the moving component 22, and the elastic component is fixedly connected with the base 24 through a second fixing structure, wherein the second fixing structure can be a connection structure such as clamping connection, inserting connection and the like; (3) The elastic component is arranged between the base 24 and the moving component 22, the end surface of the base 24 is provided with a second accommodating hole extending downwards, the bottom surface of the second accommodating hole of the elastic component is fixedly connected, and of course, the fixed connection between the elastic component and the moving component can be realized by the arrangement mode of other third fixing structures such as clamping or inserting; (4) The elastic component is arranged between the movable component 22 and the rear end cover of the brake, and is fixedly connected with the rear end cover of the brake through a fourth fixing structure, wherein the fourth fixing structure can be a connection structure such as clamping connection or plugging connection, or the elastic component is specifically arranged in the third accommodating hole, and the rear end cover is provided with a third accommodating hole; (5) The elastic component is arranged between the moving component 22 and the braking component 23, the elastic component and the braking component are fixedly connected through a fifth fixing structure, the fifth fixing structure can be a connection structure such as clamping connection and inserting connection, or the braking component 23 can be specifically provided with a fourth accommodating hole, and the elastic component is arranged in the fourth accommodating hole and is connected with the moving component 22; (6) A part of elastic components are arranged between the moving component 22 and the electromagnetic actuating component 25, a part of elastic components are arranged between the base 24 and the moving component 22, a part of elastic components are arranged between the moving component 22 and the rear end cover of the brake 2, and a part of elastic components are arranged between the moving component 22 and the brake component 23; (7) A portion of the elastic member is disposed between the moving member 22 and the electromagnetic actuating member 25, and a portion of the elastic member is disposed between the base 24 and the moving member 22. The present application is not limited to the above embodiment as long as the elastic member can apply an elastic force to the brake member 23 to generate a braking moment. The elastic component can be composed of elastic components such as springs. Specifically, the moving assembly 22 may be comprised of one or more armatures.
Alternatively, as shown in fig. 1 and 2, in the present embodiment, the brake 2 has at least one guide member 26, the guide member 26 is disposed parallel to the motor shaft 1, the moving assembly 22 is provided with first through holes 221 corresponding to the guide members 26 in number and one-to-one, the guide members 26 are disposed in the first through holes 221 in a penetrating manner, a first end of the guide member 26 is fixedly connected with the yoke 251, and a second end of the guide member 26 is fixedly connected with or engaged with the brake assembly 23, or a second end of the guide member 26 is fixedly connected with a rear end cap of the brake motor. Of course, the following other embodiments are also specifically applicable: (1) The brake 2 is provided with at least one guide piece 26, the guide piece 26 is arranged parallel to the motor shaft 1, the moving assembly 22 is provided with sliding grooves which are equal in number and correspond to the guide pieces 26 one by one, the guide pieces 26 are penetrated in the sliding grooves, the first ends of the guide pieces 26 are integrally formed with the magnet yoke 251 and/or the base 24, and the second ends of the guide pieces 26 are fixedly connected with or embedded with the brake assembly 23; (2) The brake 2 is provided with at least one guide piece 26, the guide piece 26 is arranged parallel to the motor shaft 1, the moving assembly 22 is provided with first through holes 221 which are equal in number and correspond to the guide pieces 26 one by one, the guide pieces 26 are arranged in the first through holes 221 in a penetrating mode, a first end of the guide piece 26 is integrally formed with the magnet yoke 251 and/or the base 24, and a second end of the guide piece 26 is fixedly connected with a rear end cover of the brake. (3) The brake 2 is provided with at least one guide piece 26, the guide piece 26 is arranged parallel to the motor shaft 1, the moving assembly 22 is provided with sliding grooves which are equal in number and correspond to the guide pieces 26 one by one, the guide pieces 26 are arranged in the sliding grooves in a penetrating manner, the first ends of the guide pieces 26 are fixedly connected with the magnet yoke 251 and/or the base 24, and the second ends of the guide pieces 26 are integrally formed with the brake assembly 23 and/or the rear end cover of the brake; (4) The brake 2 has at least one guide member 26, the guide member 26 is arranged parallel to the motor shaft 1, the moving assembly 22 is provided with sliding grooves which are equal in number and correspond to the guide members 26 one by one, the guide members 26 are arranged in the sliding grooves in a penetrating manner, a first end of the guide member 26 is fixedly connected with the magnet yoke 251 and/or the base 24, and a second end of the guide member 26 is fixedly connected with the brake assembly 23 and/or a rear end cover of the brake. As such, the moving assembly 22 may move in the direction of extension of the guide 26, thereby defining the direction of movement of the moving assembly 22.
Optionally, as shown in fig. 1 and 2, in this embodiment, the brake 2 is further provided with a heat dissipation assembly 3, and the heat dissipation assembly 3 may specifically be the following embodiments: (1) The heat dissipation assembly 3 includes a heat dissipation glue that wraps the electromagnetic actuation assembly 25, specifically, the heat dissipation glue wraps the yoke 251 and/or the exciting coil 252; (2) The heat dissipation assembly 3 comprises a first heat dissipation rubber sleeve sleeved on the outer peripheral wall of the electromagnetic actuation assembly 25; (3) The heat dissipation assembly 3 comprises a second heat dissipation rubber sleeve 31, the second heat dissipation rubber sleeve 31 is provided with a second accommodating groove 311, and the electromagnetic actuation assembly 25 is positioned in the second accommodating groove 311; (4) The heat dissipation assembly 3 and the base 24 are integrally formed, the heat dissipation assembly 3 is provided with a third accommodating groove, the electromagnetic actuating assembly 25 is positioned in the third accommodating groove, and the shape of the third accommodating groove is matched with the outer contour of the electromagnetic actuating assembly 25; (5) The heat sink assembly 3 comprises a water or oil cooled tube wrapped around the electromagnetic actuation assembly 25; (6) The second positioning component 242 comprises a positioning sleeve provided with at least one groove, and the heat dissipation component 3 is the positioning sleeve. Thus, the heat dissipation assembly 3 is attached to the electromagnetic actuation assembly 25, and the heat dissipation effect is good.
Optionally, in this embodiment, the brake assembly 23 includes a driving hub, a dynamic friction plate, and a static friction plate, where the static friction plate, the driving hub, and the moving assembly 22 are sequentially disposed along the extending direction of the motor shaft 1, the driving hub is fixedly connected to the motor shaft 1, the dynamic friction plate has a second through hole corresponding to the driving hub, and the dynamic friction plate is sleeved outside the driving hub through the second through hole.
The embodiment of the utility model also provides a braking motor which comprises a motor body and the brake. Due to the adoption of the brake, the brake motor has good heat dissipation performance and good braking effect.
The embodiment of the utility model also provides a braking system which comprises the braking motor. Due to the adoption of the brake motor, the brake system has good heat dissipation performance and good brake effect.
In summary, an embodiment of the present utility model provides a brake applied to a motor, where the motor includes a motor shaft, the motor includes a base sleeved on the motor shaft, at least one electromagnetic actuating component disposed on the base, a moving component slidably connected with the motor shaft, a braking component fixedly connected with the motor shaft, a friction component disposed between the moving component and the braking component and movable along an axial direction of the motor shaft, and at least one elastic component abutted with the moving component, the moving component is disposed on a side of the electromagnetic actuating component away from the base, the moving component is configured to be movable along the axial direction of the motor shaft and capable of driving the friction component to separate from or hug tightly with the braking component, and the elastic component is capable of stretching along the axial direction of the motor shaft; the motor shaft sequentially passes through the base, the moving assembly, the friction assembly and the braking assembly along the axial direction of the motor shaft; the base is provided with at least one first positioning part and/or the base is composed of at least three supporting ribs, a hollowed-out part is formed between the supporting ribs, at least one second positioning component is arranged on the supporting ribs, and the first positioning part and/or the second positioning component are used for placing the electromagnetic actuating component. Compared with the prior art, the brake has the advantages of good heat radiation performance and the like.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (12)
1. A brake for use with an electric machine, the electric machine including a motor shaft, the brake comprising:
a base and at least one electromagnetic actuating assembly disposed on the base;
the brake assembly is sleeved on the motor shaft and is in a braking state for braking the motor shaft or in a non-braking state for rotating the motor shaft;
a moving assembly arranged on one side of the electromagnetic actuating assembly away from the base, wherein the moving assembly can move along the axial direction of the motor shaft to enable the braking assembly to be in a braking state or a non-braking state;
the elastic component can stretch and retract along the axial direction of the motor shaft to push the moving component to move;
the motor shaft sequentially passes through the base, the moving assembly, the friction assembly and the braking assembly along the axial direction of the motor shaft; wherein,,
the base is provided with at least one first positioning part, and the first positioning part is used for placing the electromagnetic actuating assembly so as to form a preset distance between the electromagnetic actuating assembly and the base;
and/or the number of the groups of groups,
the base comprises at least three supporting ribs, hollowed-out parts are formed between the supporting ribs, at least one second positioning component is arranged on the supporting ribs, and the second positioning component is used for placing the electromagnetic actuating component.
2. A brake as defined in claim 1, wherein:
the first positioning part is a positioning column, or,
the second positioning component is at least one of a positioning column, a positioning groove and a positioning sleeve provided with at least one groove.
3. A brake as defined in claim 2, wherein:
the first positioning parts are arranged in at least two, and are arranged along the circumferential direction of the base; and/or the number of the groups of groups,
the number of the second positioning assemblies is at least two, and the second positioning assemblies are arranged along the circumferential direction of the base;
the electromagnetic actuating assembly is not sleeved on the motor shaft.
4. A brake as defined in claim 1, wherein:
the electromagnetic actuating component is arranged on the end surface of the base, and/or,
the electromagnetic actuating component is arranged on the supporting rib, and/or,
the electromagnetic actuating assembly is arranged at the first positioning part, and/or,
the electromagnetic actuating assembly is arranged on the second positioning assembly.
5. The brake of claim 4, wherein:
the electromagnetic actuating components are arranged at least two, the electromagnetic actuating components comprise a magnetic yoke and an exciting coil arranged on the magnetic yoke, wherein,
the exciting coils of two adjacent yokes are connected in parallel or in series; and/or the number of the groups of groups,
the exciting coils of two adjacent yokes are formed by winding a wire, the winding directions of the exciting coils are the same or opposite, and/or,
the brake further comprises a power supply component, and the exciting coils of two adjacent yokes are mutually independent and connected with the power supply component.
6. The brake of claim 5, wherein:
the magnetic yoke is circumferentially wound with the exciting coil, and/or,
the yoke is provided with a housing chamber for housing the exciting coil.
7. A brake as defined in claim 1, wherein:
the maximum axial distance from the fixed end of the elastic component to the moving component is not greater than the maximum axial length of the elastic component.
8. The brake of claim 7, wherein:
the elastic component is arranged between the moving component and the electromagnetic actuating component, the elastic component is fixedly connected with the electromagnetic actuating component through a first fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the moving component and the electromagnetic actuating component, the end surface of the electromagnetic actuating component is provided with a first accommodating hole, the elastic component and the hole bottom surface of the first accommodating hole are relatively and fixedly arranged,
and/or the number of the groups of groups,
the elastic component is arranged between the base and the moving component, the elastic component is fixedly connected with the base through a second fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the base and the moving component, the end surface of the base is provided with a second accommodating hole, the elastic component and the bottom surface of the second accommodating hole are relatively and fixedly arranged,
and/or the number of the groups of groups,
the elastic component is fixedly connected with the moving component through a third fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the movable component and the rear end cover of the brake, the elastic component is fixedly connected with the rear end cover of the brake through a fourth fixed structure,
and/or the number of the groups of groups,
the elastic component is arranged between the moving component and the braking component, and the elastic component is fixedly connected with the braking component through a fifth fixing structure.
9. A brake as defined in claim 1, wherein:
the brake is provided with at least one guide piece, the guide piece is arranged parallel to the motor shaft, the moving assembly is provided with first through holes or sliding grooves which are equal to the number of the guide pieces in a one-to-one correspondence manner, and the guide piece is arranged in the first through holes or the sliding grooves in a penetrating manner;
the first end of the guide piece is integrally formed with the electromagnetic actuating component and/or the base, the second end of the guide piece is fixedly connected or embedded with the braking component,
and/or the number of the groups of groups,
the first end of the guide piece is integrally formed with the electromagnetic actuating assembly and/or the base, the second end of the guide piece is fixedly connected with the rear end cover of the brake,
and/or the number of the groups of groups,
the first end of the guide piece is fixedly connected with the electromagnetic actuating assembly and/or the base, and the second end of the guide piece is integrally formed with the brake assembly and/or the rear end cover of the brake;
and/or the number of the groups of groups,
the first end of the guide piece is fixedly connected with the electromagnetic actuating assembly and/or the base, and the second end of the guide piece is fixedly connected with the braking assembly and/or the rear end cover of the brake.
10. A brake as defined in claim 1, wherein: the braking motor is also provided with a heat dissipation component,
the heat dissipation assembly comprises heat dissipation glue wrapping the electromagnetic actuation assembly; or,
the heat dissipation assembly comprises a first heat dissipation rubber sleeve sleeved on the outer peripheral wall of the electromagnetic actuation assembly; or,
the heat dissipation assembly comprises a second heat dissipation rubber sleeve, a second accommodating groove is formed in the second heat dissipation rubber sleeve, and the electromagnetic actuation assembly is located in the second accommodating groove; or,
the heat dissipation assembly and the base are integrally formed, the heat dissipation assembly is provided with a third accommodating groove, the electromagnetic actuating assembly is positioned in the third accommodating groove, and the shape of the third accommodating groove is matched with the outer contour of the electromagnetic actuating assembly; or,
the heat dissipation assembly comprises a water-cooled tube or an oil-cooled tube wound around the electromagnetic actuation assembly; or,
the second positioning component comprises a positioning sleeve provided with at least one groove, and the heat dissipation component is the positioning sleeve.
11. A braking motor comprising a motor body and a brake as claimed in any one of claims 1 to 10.
12. A brake system comprising a brake as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222888219.2U CN218992179U (en) | 2022-10-31 | 2022-10-31 | Brake, brake motor and brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222888219.2U CN218992179U (en) | 2022-10-31 | 2022-10-31 | Brake, brake motor and brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218992179U true CN218992179U (en) | 2023-05-09 |
Family
ID=86217401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222888219.2U Active CN218992179U (en) | 2022-10-31 | 2022-10-31 | Brake, brake motor and brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218992179U (en) |
-
2022
- 2022-10-31 CN CN202222888219.2U patent/CN218992179U/en active Active
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