CN118100516A - Brake and motor - Google Patents
Brake and motor Download PDFInfo
- Publication number
- CN118100516A CN118100516A CN202410504861.7A CN202410504861A CN118100516A CN 118100516 A CN118100516 A CN 118100516A CN 202410504861 A CN202410504861 A CN 202410504861A CN 118100516 A CN118100516 A CN 118100516A
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- end cover
- rotating shaft
- iron core
- brake
- winding
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000004804 winding Methods 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a brake and a motor, wherein the motor comprises a middle end cover, a rear end cover and a rotating shaft, and the rotating shaft penetrates through an end cover space enclosed by the middle end cover and the rear end cover; the brake comprises: the iron core is sleeved on the rotating shaft and fixedly connected with the rotating shaft; the armature is sleeved on the rotating shaft, is arranged at intervals with the rotating shaft and is positioned at one side of the iron core far away from the middle end cover; the friction plate is positioned on one side of the armature far away from the rotating shaft and is fixedly connected with the rear end cover; a winding mounted on the core; the two conductive sliding rails are arranged at intervals along the axis of the rotating shaft and are all arranged on the outer peripheral surface of the iron core, and each conductive sliding rail is electrically connected with the winding and is mutually insulated with the iron core; carbon brush is connected with external power supply electricity, fixes at the middle end cover and set up in order to contact with two electrically conductive slide rails friction towards two electrically conductive slide rails to the winding is circular telegram or outage is in order to absorb or release armature, in order to solve the scheme that is used for increasing servo motor's inertia among the prior art and can increase the length and the problem of weight of motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a brake and a motor.
Background
The servo motor is widely applied to robots and machine tools, and the field has certain requirements on inertia of the servo motor. However, the inherent inertia of the motor rotor may not meet this requirement. Thus, the servo motor of the related art increases inertia by increasing an inertia plate or increasing a length of a rotor core, but this method increases a length and a weight of the motor, and also increases a production cost of the motor.
Disclosure of Invention
The invention mainly aims to provide a brake and a motor, which are used for solving the problem that the scheme for increasing the inertia of a servo motor in the prior art can increase the length and the weight of the motor.
In order to achieve the above object, according to one aspect of the present invention, there is provided a brake adapted to a motor including a middle cover, a rear cover, and a rotating shaft penetrating an end cover space defined by the middle cover and the rear cover; the brake comprises: the iron core is sleeved on the rotating shaft and fixedly connected with the rotating shaft so as to rotate synchronously with the rotating shaft; the armature is sleeved on the rotating shaft and is arranged at intervals with the rotating shaft, and the armature is positioned on one side of the iron core, which is far away from the second end of the rotating shaft, so as to rotate synchronously with the rotating shaft; the friction plate is positioned on one side of the armature far away from the iron core and is fixedly connected with the rear end cover; a winding mounted on the core; the two conductive sliding rails are arranged at intervals along the axis of the rotating shaft and are all arranged on the outer peripheral surface of the iron core, each conductive sliding rail is electrically connected with the winding, and each conductive sliding rail is mutually insulated from the iron core; the carbon brush is electrically connected with an external power supply, is fixed to the middle end cover and is arranged towards the two conductive sliding rails to be in friction contact with the two conductive sliding rails, and the external power supply is used for powering on or powering off the winding through the carbon brush and the two conductive sliding rails so as to absorb or release the armature.
Further, the brake further comprises an insulating liner, the insulating liner is mounted on the outer peripheral surface of the iron core, and the two conductive sliding rails are mounted on the outer peripheral surface of the insulating liner.
Further, the minimum distance between the two conductive tracks is 1mm.
Further, the iron core is provided with: the first annular mounting groove is positioned on the outer peripheral surface of the iron core, and the insulating gasket is arranged in the first annular mounting groove; the winding installation groove is positioned at one side of the iron core far away from the middle end cover, and the winding is installed in the winding installation groove; and two ends of the wiring channel are respectively communicated with the first annular mounting groove and the winding mounting groove, two connecting wires are arranged in the wiring channel, the two connecting wires are arranged in one-to-one correspondence with the two conductive sliding rails, and two ends of each connecting wire are respectively connected with the corresponding conductive sliding rail and the winding.
Further, two second annular mounting grooves are formed in the outer peripheral surface of the insulating liner at intervals, and the two conductive sliding rails are correspondingly mounted in the two second annular mounting grooves one by one.
Further, the minimum distance between the inner wall surface of the insulating spacer and the bottom surface of each of the second annular mounting grooves was 1mm.
Further, the conductive sliding rail is made of copper.
Further, the carbon brush comprises a connecting main body and two contact heads connected with the connecting main body, the connecting main body is connected with the middle end cover, and the two contact heads are in friction contact with the two conductive sliding rails in one-to-one correspondence.
Further, the dimension of the bottom surface of the rear end cover for contacting the friction plate and the end surface of the side of the rear end cover close to the middle end cover in the direction parallel to the axis of the rotating shaft is h1; the dimension of the friction plate in the direction parallel to the axis of the rotating shaft is h2; the dimension of the armature in the direction parallel to the axis of the rotating shaft is h3; the dimension h4 between the end face of the iron core, which is close to the rear end cover, and the end face of the middle end cover, which is close to the rear end cover, in the direction parallel to the axis of the rotating shaft; wherein, h1-h2-h3-h4 is more than or equal to 0.1mm and less than or equal to 0.2mm.
According to another aspect of the present invention, there is provided a motor including a main casing, a middle end cover, a rear end cover, a rotating shaft, and a brake, which are sequentially disposed, the brake being the brake described above, and the brake being located between the middle end cover and the rear end cover.
By applying the technical scheme of the invention, the brake is suitable for a motor, and the motor comprises a middle end cover, a rear end cover and a rotating shaft, wherein the rotating shaft penetrates through an end cover space enclosed by the middle end cover and the rear end cover; the brake comprises: the iron core is sleeved on the rotating shaft and fixedly connected with the rotating shaft so as to rotate synchronously with the rotating shaft; the armature is sleeved on the rotating shaft and is arranged at intervals with the rotating shaft, and the armature is positioned on one side of the iron core, which is far away from the second end of the rotating shaft, so as to rotate synchronously with the rotating shaft; the friction plate is positioned on one side of the armature far away from the iron core and is fixedly connected with the rear end cover; a winding mounted on the core; the two conductive sliding rails are arranged at intervals along the axis of the rotating shaft and are all arranged on the outer peripheral surface of the iron core, each conductive sliding rail is electrically connected with the winding, and each conductive sliding rail is mutually insulated from the iron core; the carbon brush is electrically connected with an external power supply, is fixed to the middle end cover and is arranged towards the two conductive sliding rails to be in friction contact with the two conductive sliding rails, and the external power supply is used for powering on or powering off the winding through the carbon brush and the two conductive sliding rails so as to absorb or release the armature. Therefore, the brake of the invention can obviously improve the rotational inertia of the servo motor when the iron core and the armature synchronously rotate along with the rotating shaft due to the large total mass of the iron core and the armature by synchronously rotating the iron core and the armature with the rotating shaft and fixedly connecting the friction plate with the rear end cover, improves the inertia of the motor without adding additional parts and without adding an inertia disc and the length of the rotor iron core, solves the problems that the scheme for increasing the inertia of the servo motor in the prior art can increase the length and the weight of the motor, and also solves the problem that the inertia of the servo motor in the prior art is lower, thereby reducing the volume and the cost of the servo motor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic cross-sectional view of an electric machine having an embodiment of the brake of the present invention;
FIG. 2 shows a partial enlarged view of the motor shown in FIG. 1 at A;
fig. 3 shows a partial enlarged view of the motor shown in fig. 1 at B.
Wherein the above figures include the following reference numerals:
1. An elastic member; 2. an iron core; 3. a winding; 4. an armature; 5. a rotating shaft; 6. a rear end cover; 7. a friction plate; 8. a pin; 9. a middle end cover; 10. a main housing; 11. a carbon brush; 12. a conductive slide rail; 13. an insulating liner; 14. a connecting wire; 15. a wiring channel; 16. and a housing assembly.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, the present invention provides a brake, which is suitable for a motor, wherein the motor comprises a middle end cover 9, a rear end cover 6 and a rotating shaft 5, the middle end cover 9 and the rear end cover 6 jointly enclose an end cover space, and the rotating shaft 5 penetrates through the end cover space; the brake comprises: the iron core 2 is sleeved on the rotating shaft 5 and fixedly connected with the rotating shaft 5 to synchronously rotate with the rotating shaft 5; the armature 4 is sleeved on the rotating shaft 5 and is arranged at intervals with the rotating shaft 5, and the armature 4 is positioned on one side of the iron core 2 far away from the middle end cover 9 so as to rotate synchronously with the rotating shaft 5; the friction plate 7 is positioned on one side of the armature 4 far away from the iron core 2 and is fixedly connected with the rear end cover 6; a winding 3, the winding 3 being mounted on the core 2; the two conductive sliding rails 12 are arranged at intervals along the axis of the rotating shaft 5 and are all arranged on the outer peripheral surface of the iron core 2, each conductive sliding rail 12 is electrically connected with the winding 3, and each conductive sliding rail 12 is mutually insulated from the iron core 2; the carbon brush 11, the carbon brush 11 is connected with external power supply electricity, and the carbon brush 11 is fixed in middle end cover 9 and towards two electrically conductive slide rail 12 setting in order to with two electrically conductive slide rail 12 frictional contact, and external power supply is through carbon brush 11 and two electrically conductive slide rail 12 to winding 3 switching on or switching off to absorb or release armature 4.
In this way, the brake of the invention can obviously improve the moment of inertia of the servo motor when synchronously rotating along with the rotating shaft because the total mass of the iron core 2 and the armature 4 is larger by synchronously rotating the iron core 2 and the armature 4 and fixedly connecting the friction plate 7 and the rear end cover 6, can improve the moment of inertia of the motor without additionally adding parts and without adding an inertia disc and the length of the rotor iron core, solves the problems that the scheme for increasing the moment of inertia of the servo motor in the prior art can increase the length and the weight of the motor, and also solves the problem that the moment of inertia of the servo motor in the prior art is lower, thereby reducing the volume and the cost of the servo motor.
As shown in fig. 1 and 3, the brake further comprises an elastic element 1 and a pin 8, the elastic element 1 and the pin 8 are arranged on the iron core 2 at intervals and are located on one side of the iron core 2, which is close to the rear end cover 6, one end, away from the iron core 2, of the elastic element 1 is used for being in contact with the armature 4, and one end, away from the iron core 2, of the pin 8 is inserted on the armature 4.
When the motor normally runs, the armature 4 is sucked by the winding 3 to be separated from the friction plate 7, and the armature 4, the iron core 2 and the rotating shaft 5 synchronously rotate; when the emergency stop is carried out due to accidental power failure, the winding 3 is powered off, and the armature 4 is far away from the iron core 2 and is contacted with the friction plate 7 under the action of the elastic piece 1, so that the armature 4, the iron core 2 and the rotating shaft 5 synchronously stop rotating under the action of friction force.
Specifically, the iron core 2 is in interference fit with the rotating shaft 5, and the two conductive sliding rails 12 are not differentiated positive and negative.
As shown in fig. 2, the brake further includes an insulating pad 13, the insulating pad 13 being mounted on the outer circumferential surface of the core 2, and two conductive slide rails 12 being mounted on the outer circumferential surface of the insulating pad 13.
Preferably, the minimum distance between the two conductive tracks 12 is 1mm.
As shown in fig. 1 and 2, the iron core 2 is provided with: a first annular mounting groove on the outer circumferential surface of the core 2, in which the insulating liner 13 is mounted; a winding installation groove which is positioned on one side of the iron core 2 far away from the middle end cover 9, and the winding 3 is installed in the winding installation groove; the wiring channel 15, the both ends of wiring channel 15 communicate with first annular mounting groove and winding mounting groove respectively, are provided with two connecting wires 14 in the wiring channel 15, and two connecting wires 14 set up with two electrically conductive slide rail 12 one-to-one, and the both ends of each connecting wire 14 are connected with corresponding electrically conductive slide rail 12 and winding 3 respectively.
As shown in fig. 2, two second annular mounting grooves are provided on the outer peripheral surface of the insulating pad 13 at intervals, and two conductive slide rails 12 are mounted in the two second annular mounting grooves in one-to-one correspondence.
Preferably, the minimum distance between the inner wall surface of the insulating spacer 13 and the bottom surface of each second annular mounting groove is 1mm.
Specifically, the conductive track 12 is made of copper; and/or the carbon brush 11 comprises a connecting main body and two contact heads connected with the connecting main body, wherein the connecting main body is connected with the middle end cover 9, and the two contact heads are in friction contact with the two conductive sliding rails 12 in a one-to-one correspondence manner.
Alternatively, to ensure stability of power supply, the conductive slide rail 12 is made of copper alloy such as red copper, which has good conductivity, high hardness and good wear resistance.
In this way, the friction plate 7 in the brake of the present invention can be directly fixedly connected with the rear end cover 6, and the arrangement of the hub in the brake in the prior art is eliminated.
As shown in fig. 3, the bottom surface of the rear end cover 6 for contact with the friction plate 7 and the end surface of the rear end cover 6 on the side near the middle end cover 9 have a dimension h1 in the direction parallel to the axis of the rotary shaft 5; the friction plate 7 has a dimension h2 in a direction parallel to the axis of the rotary shaft 5; the armature 4 has a dimension h3 in a direction parallel to the axis of the rotary shaft 5; the dimension between the end face of the iron core 2 on the side close to the rear end cover 6 and the end face of the middle end cover on the side close to the rear end cover 6 in the direction parallel to the axis of the rotating shaft 5 is h4; wherein, h1-h2-h3-h4 is more than or equal to 0.1mm and less than or equal to 0.2mm.
In this way, the brake of the invention can control the gap between the armature 4 and the core 2 by controlling the position tolerance between the core 2 and the middle end cover 9 and the dimensional tolerance of other parts, and compared with the scheme of the brake in the prior art that the gap is controlled by plugging a thin sheet with fixed thickness between the armature and the friction plate, the brake of the invention can achieve higher reliability and working efficiency.
As shown in fig. 1, the invention further provides a motor, which comprises a main casing 10, a middle end cover 9, a rear end cover 6, a rotating shaft 5 and a brake, wherein the main casing 10, the middle end cover 9 and the rear end cover 6 are sequentially arranged, the main casing 10, the middle end cover 9 and the rear end cover 6 jointly form a casing assembly 16, the brake is the brake, and the brake is positioned between the middle end cover 9 and the rear end cover 6.
Specifically, the motor is a servo motor, and a specific inertia value is needed in a specific occasion, so that the corresponding inertia value can be matched by setting the diameter and the length of the iron core 2, inertia can be improved by properly increasing the wall thickness of the iron core 2, meanwhile, the magnetic resistance of the iron core 2 is reduced, the magnetic attraction of a brake is increased, and the magnetic leakage phenomenon of the brake is reduced.
The assembly process of the brake on the motor is as follows:
(1) Firstly, connecting a carbon brush 11 with an external power supply, fixing the carbon brush 11 on a middle end cover 9, and pressing an iron core 2 and a winding 3 as a whole onto a rotating shaft 5 through a tool to be in interference fit with the rotating shaft 5 so as to realize synchronous rotation of the two; then, an elastic piece 1 and a pin 8 are arranged on the iron core 2, then, the winding 3 is electrified, and the armature 4 is arranged so that the armature 4 is attracted on the iron core 2; the friction plate 7 is fixed on the rear end cover 6 in advance through cementing, finally the attraction state of the armature 4 is kept, and the rear end cover 6 is combined with the middle end cover 9 and is fixed through bolts.
(2) Since the clearance between the armature 4 and the core 2 needs to be strictly controlled to be about 0.1mm to 0.2mm, the accuracy requirements for the dimension h1 of the bottom surface of the rear end cover 6 for contact with the friction plate 7 and the end surface of the side of the rear end cover 6 near the center end cover 9 in the direction parallel to the axis of the rotating shaft 5, the dimension h2 of the friction plate 7 in the direction parallel to the axis of the rotating shaft 5, and the dimension h3 of the armature 4 in the direction parallel to the axis of the rotating shaft 5 are high, and therefore, the dimensional tolerances of the above respective parts need to be strictly controlled and the dimension h4 of the side of the core 2 near the rear end cover 6 and the end surface of the side of the center end cover 6 in the direction parallel to the axis of the rotating shaft 5 need to be strictly controlled in the process of pressing the core 2 onto the rotating shaft 5 by the positioning jig to ensure that h1-h2-h3-h4 is in the range of 0.1mm to 0.2 mm.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
The brake is suitable for a motor, the motor comprises a middle end cover 9, a rear end cover 6 and a rotating shaft 5, the middle end cover 9 and the rear end cover 6 jointly enclose an end cover space, and the rotating shaft 5 penetrates through the end cover space; the brake comprises: the iron core 2 is sleeved on the rotating shaft 5 and fixedly connected with the rotating shaft 5 to synchronously rotate with the rotating shaft 5; the armature 4 is sleeved on the rotating shaft 5 and is arranged at intervals with the rotating shaft 5, and the armature 4 is positioned on one side of the iron core 2 far away from the middle end cover 9 so as to rotate synchronously with the rotating shaft 5; the friction plate 7 is positioned on one side of the armature 4 far away from the iron core 2 and is fixedly connected with the rear end cover 6; a winding 3, the winding 3 being mounted on the core 2; the two conductive sliding rails 12 are arranged at intervals along the axis of the rotating shaft 5 and are all arranged on the outer peripheral surface of the iron core 2, each conductive sliding rail 12 is electrically connected with the winding 3, and each conductive sliding rail 12 is mutually insulated from the iron core 2; the carbon brush 11, the carbon brush 11 is connected with external power supply electricity, and the carbon brush 11 is fixed in middle end cover 9 and towards two electrically conductive slide rail 12 setting in order to with two electrically conductive slide rail 12 frictional contact, and external power supply is through carbon brush 11 and two electrically conductive slide rail 12 to winding 3 switching on or switching off to absorb or release armature 4. In this way, the brake of the invention can obviously improve the moment of inertia of the servo motor when synchronously rotating along with the rotating shaft because the total mass of the iron core 2 and the armature 4 is larger by synchronously rotating the iron core 2 and the armature 4 and fixedly connecting the friction plate 7 and the rear end cover 6, and improves the inertia of the motor under the condition that no additional parts are needed and the inertia disc and the length of the rotor iron core are not needed to be increased, thereby solving the problems that the scheme for increasing the inertia of the servo motor in the prior art can increase the length and the weight of the motor, and solving the problem that the inertia of the servo motor in the prior art is lower, and further reducing the volume and the cost of the servo motor.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The brake is characterized by being suitable for a motor, wherein the motor comprises a middle end cover (9), a rear end cover (6) and a rotating shaft (5), the middle end cover (9) and the rear end cover (6) jointly enclose an end cover space, and the rotating shaft (5) penetrates through the end cover space; the brake includes:
the iron core (2) is sleeved on the rotating shaft (5) and fixedly connected with the rotating shaft (5) so as to rotate synchronously with the rotating shaft (5);
the armature iron (4) is sleeved on the rotating shaft (5) and is arranged at intervals with the rotating shaft (5), and the armature iron (4) is positioned on one side, far away from the middle end cover (9), of the iron core (2) so as to synchronously rotate with the rotating shaft (5);
the friction plate (7) is positioned on one side of the armature (4) far away from the iron core (2) and is fixedly connected with the rear end cover (6);
A winding (3), the winding (3) being mounted on the core (2);
The two conductive sliding rails (12) are arranged at intervals along the axis of the rotating shaft (5) and are all installed on the outer peripheral surface of the iron core (2), each conductive sliding rail (12) is electrically connected with the winding (3), and each conductive sliding rail (12) is mutually insulated with the iron core (2);
Carbon brush (11), carbon brush (11) are connected with external power supply electricity, carbon brush (11) are fixed in middle end cover (9) and towards two electrically conductive slide rail (12) set up with two electrically conductive slide rail (12) frictional contact, external power supply passes through carbon brush (11) with two electrically conductive slide rail (12) are to winding (3) circular telegram or outage to absorb or release armature (4).
2. Brake according to claim 1, characterized in that it further comprises an insulating pad (13), said insulating pad (13) being mounted on the outer peripheral surface of the core (2), said two electrically conductive sliding tracks (12) being mounted on the outer peripheral surface of said insulating pad (13).
3. Brake according to claim 1, characterized in that the minimum distance between the two conductive tracks (12) is 1mm.
4. Brake according to claim 2, characterized in that the core (2) is provided with:
A first annular mounting groove located on an outer peripheral surface of the iron core (2), the insulating liner (13) being mounted in the first annular mounting groove;
A winding mounting groove which is positioned on one side of the iron core (2) far away from the middle end cover (9), wherein the winding (3) is mounted in the winding mounting groove;
The wiring channel (15), the both ends of wiring channel (15) respectively with first annular mounting groove with winding mounting groove intercommunication, be provided with two connecting wires (14) in wiring channel (15), two connecting wires (14) with two electrically conductive slide rail (12) one-to-one set up, each the both ends of connecting wire (14) all respectively with corresponding electrically conductive slide rail (12) with winding (3) are connected.
5. Brake according to claim 2, characterized in that the insulating pad (13) is provided with two second annular mounting grooves at intervals on its outer peripheral surface, in which the two conductive sliding rails (12) are mounted in a one-to-one correspondence.
6. A brake according to claim 2, characterized in that the minimum distance between the inner wall surface of the insulating spacer (13) and the bottom surface of the groove of each of the second annular mounting grooves is 1mm.
7. The brake of claim 1, wherein the conductive track (12) is made of a material comprising copper.
8. The brake according to claim 1, characterized in that the carbon brush (11) comprises a connecting body and two contact heads connected with the connecting body, the connecting body being connected with the middle end cover (9), the two contact heads being in frictional contact with the two conductive sliding rails (12) in a one-to-one correspondence.
9. A brake according to claim 1, wherein,
The bottom surface of the rear end cover (6) for contacting the friction plate (7) and the end surface of the rear end cover (6) on the side close to the middle end cover (9) have a dimension h1 in the direction parallel to the axis of the rotating shaft (5);
The friction plate (7) has a dimension h2 in a direction parallel to the axis of the rotating shaft (5);
The armature (4) has a dimension h3 in a direction parallel to the axis of the rotary shaft (5);
The dimension between the end face of the iron core (2) on the side close to the rear end cover (6) and the end face of the middle end cover on the side close to the rear end cover (6) in the direction parallel to the axis of the rotating shaft (5) is h4;
wherein, h1-h2-h3-h4 is more than or equal to 0.1mm and less than or equal to 0.2mm.
10. An electric motor characterized by comprising a main housing (10), a middle end cover (9), a rear end cover (6), a rotating shaft (5) and a brake which are sequentially arranged, wherein the brake is a brake according to any one of claims 1 to 9, and the brake is positioned between the middle end cover (9) and the rear end cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410504861.7A CN118100516A (en) | 2024-04-25 | 2024-04-25 | Brake and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410504861.7A CN118100516A (en) | 2024-04-25 | 2024-04-25 | Brake and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118100516A true CN118100516A (en) | 2024-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410504861.7A Pending CN118100516A (en) | 2024-04-25 | 2024-04-25 | Brake and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118100516A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9106449D0 (en) * | 1990-03-30 | 1991-05-15 | Moulinex Sa | An electromagnetic brake for a motor |
| CN2101134U (en) * | 1991-10-05 | 1992-04-08 | 天津市机床电器总厂 | Electromagnetic jaw clutch |
| CN2613089Y (en) * | 2003-03-29 | 2004-04-21 | 青岛地恩地机电科技股份有限公司 | End-face friction brake motor |
| CN104882999A (en) * | 2015-06-19 | 2015-09-02 | 济南市平阴县玛钢厂 | Bridge crane conical motor |
| CN105114483A (en) * | 2015-07-23 | 2015-12-02 | 山东理工大学 | Electric finger pin type static joint two-way clutch |
| CN110247518A (en) * | 2019-06-11 | 2019-09-17 | 珠海格力电器股份有限公司 | Servo motor and intelligent equipment |
| CN110994888A (en) * | 2019-11-29 | 2020-04-10 | 珠海格力电器股份有限公司 | Rear end cover and split type brake motor |
-
2024
- 2024-04-25 CN CN202410504861.7A patent/CN118100516A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9106449D0 (en) * | 1990-03-30 | 1991-05-15 | Moulinex Sa | An electromagnetic brake for a motor |
| CN2101134U (en) * | 1991-10-05 | 1992-04-08 | 天津市机床电器总厂 | Electromagnetic jaw clutch |
| CN2613089Y (en) * | 2003-03-29 | 2004-04-21 | 青岛地恩地机电科技股份有限公司 | End-face friction brake motor |
| CN104882999A (en) * | 2015-06-19 | 2015-09-02 | 济南市平阴县玛钢厂 | Bridge crane conical motor |
| CN105114483A (en) * | 2015-07-23 | 2015-12-02 | 山东理工大学 | Electric finger pin type static joint two-way clutch |
| CN110247518A (en) * | 2019-06-11 | 2019-09-17 | 珠海格力电器股份有限公司 | Servo motor and intelligent equipment |
| CN110994888A (en) * | 2019-11-29 | 2020-04-10 | 珠海格力电器股份有限公司 | Rear end cover and split type brake motor |
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