CN113550990A - Disc type electromagnetic brake device - Google Patents

Disc type electromagnetic brake device Download PDF

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Publication number
CN113550990A
CN113550990A CN202110826308.1A CN202110826308A CN113550990A CN 113550990 A CN113550990 A CN 113550990A CN 202110826308 A CN202110826308 A CN 202110826308A CN 113550990 A CN113550990 A CN 113550990A
Authority
CN
China
Prior art keywords
brake
disc
electromagnet
brake disc
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110826308.1A
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Chinese (zh)
Inventor
何南海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Xiaoding Technology Co ltd
Original Assignee
Ningbo Xiaoding Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Xiaoding Technology Co ltd filed Critical Ningbo Xiaoding Technology Co ltd
Priority to CN202110826308.1A priority Critical patent/CN113550990A/en
Publication of CN113550990A publication Critical patent/CN113550990A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0972—Resilient means interposed between pads and supporting members or other brake parts transmitting brake reaction force, e.g. elements interposed between torque support plate and pad
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/04—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders
    • F16D55/06—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders without self-tightening action
    • F16D55/08—Mechanically-actuated brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/20—Electric or magnetic using electromagnets

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The application provides a disc type electromagnetic brake device, which comprises a brake disc, a friction piece, a guide piece, an electromagnet and a magnetic attraction piece, wherein the friction piece is fixedly connected with the magnetic attraction piece; the increase of electromagnet circular telegram back magnetic field intensity attracts magnetism to inhale the piece and slides along the guide bar, and magnetism is inhaled the piece and is driven the friction piece and move and extrude the brake disc towards the direction that is close to the brake disc, and friction piece and brake disc rub each other, brakies the brake disc, and the hub fixed connection of brake disc and electric motor car consequently, can brake the electric motor car fast, combines through electromagnetism and mechanical friction braking, and the structure is compacter, and braking operation is more convenient.

Description

Disc type electromagnetic brake device
Technical Field
The application relates to the technical field of brake devices, in particular to a disc type electromagnetic brake device.
Background
The electromagnetic brake device is generally used for an electric vehicle, and utilizes electromagnetism to generate damping to realize braking, however, the damping braking effect generated by adopting a reverse electromagnetic reverse magnetic pole is poor, and quick braking and speed reduction are difficult to realize. Another braking mode in the prior art generally adopts a mechanical principle to realize braking, and utilizes the friction of a brake pad to generate damping to realize braking, however, the braking mode needs to use a brake cable and needs a large gripping force to hold and pinch a brake handle, and the braking structure has high complexity.
There are three types of current braking methods. One is mechanical braking, which has the disadvantage of being laborious and often requiring adjustment. The 2 nd type hydraulic brake has the disadvantages of slow brake response speed and easy risk of brake failure due to leakage of hydraulic oil. Thirdly, the motor is braked by magnetic force, and the defect is that the braking force cannot be adjusted according to actual requirements, so that the unsafety of strong blocking feeling is caused.
Disclosure of Invention
The application provides a disk electromagnetic brake device combines traditional mechanical brake and electromagnetic braking, and compact structure, braking operation make things convenient for laborsaving more.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
the utility model provides a disk electromagnetic brake device, includes brake disc, friction spare, guide, electro-magnet and magnetism and inhales the piece, the friction spare with magnetism is inhaled a fixed connection, magnetism inhale the piece with guide sliding connection, the electro-magnet is used for attracting magnetism is inhaled the piece and is close to towards the direction motion of brake disc, magnetism is inhaled the piece and is close to can drive behind the direction motion of brake disc the friction spare extrusion the brake disc.
In some embodiments, the guiding element includes a guiding rod, the magnetic element is slidably connected to the guiding rod, the electromagnet and the magnetic element are respectively located on two sides of the brake disc, and the friction element and the magnetic element are located on the same side of the brake disc.
In some embodiments, the friction member includes a first brake pad, the first brake pad is fixedly connected to the magnetic member, and the first brake pad and the magnetic member are located on the same side of the brake disc.
In some embodiments, an elastic member is disposed between the magnetic attraction member and the electromagnet, one end of the elastic member abuts against the magnetic attraction member, and the other end of the elastic member abuts against the electromagnet.
In some embodiments, the elastic member includes a compression spring, the compression spring is sleeved on the guide rod, one end of the compression spring abuts against the magnetic attraction member, and the other end of the compression spring abuts against the electromagnet.
In some embodiments, the guide rod is fixedly connected with a first limiting block and a second limiting block, the magnetic attraction piece and the electromagnet are located between the first limiting block and the second limiting block, the first limiting block is abutted to the magnetic attraction piece, and the second limiting block is abutted to the electromagnet.
In some embodiments, the compression spring is always in a compressed state.
In some embodiments, a first fixing plate is fixedly connected to the magnetic member, the first brake pad is located between the first fixing plate and the brake disc, and the first fixing plate is fixedly connected to the first brake pad.
In some embodiments, a second brake pad is fixedly connected to the electromagnet, and the brake disc is located between the first brake pad and the second brake pad.
In some embodiments, a second fixing plate is fixedly connected to the electromagnet, the second brake pad is located between the brake disc and the second fixing plate, and the second fixing plate is fixedly connected to the second brake pad.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a disc type electromagnetic brake device in an embodiment of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of another disc-type electromagnetic brake device according to an embodiment of the present application;
fig. 4 is a sectional view taken in the direction B-B in fig. 3.
Reference numerals:
101. a brake disc; 102. an electromagnet; 103. a guide bar; 104. a first brake pad; 105. a compression spring; 106. a first stopper; 107. a second limiting block; 108. a first fixing plate; 109. a second brake pad; 110. a second fixing plate; 111. magnetic attraction pieces.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "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 shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "possible implementations" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 and fig. 2, in an embodiment of the present application, a disc-type electromagnetic brake device is provided, which includes a brake disc 101, a friction member, a guiding member, an electromagnet 102, and a magnetic member 111, wherein the friction member is fixedly connected to the magnetic member 111, the magnetic member 111 is slidably connected to the guiding member, the electromagnet 102 is configured to attract the magnetic member 111 to move toward a direction close to the brake disc 101, and the magnetic member 111 can drive the friction member to press the brake disc 101 after moving toward the direction close to the brake disc 101.
The disc electromagnetic brake device that this embodiment provided, in the course of the work, the increase of electromagnetic field intensity behind the electro-magnet 102 circular telegram, attract magnetism to inhale piece 111 and slide along guide bar 103, magnetism is inhaled piece 111 and is driven the friction member and move and extrude brake disc 101 towards the direction that is close to brake disc 101, friction member and brake disc 101 looks mutual friction, brake disc 101, the wheel hub fixed connection of brake disc 101 and electric motor car, therefore, can brake the electric motor car fast, combine through electromagnetism and mechanical friction braking, the structure is compacter, it is more convenient to brake the operation.
In some embodiments, the guiding element includes a guiding rod 103, the magnetic element 111 is slidably connected to the guiding rod 103, the electromagnet 102 and the magnetic element 111 are respectively located on two sides of the brake disc 101, and the friction element and the magnetic element 111 are located on the same side of the brake disc 101.
In some embodiments, the friction member includes a first brake pad 104, the first brake pad 104 is fixedly connected to the magnetic member 111, and the first brake pad 104 and the magnetic member 111 are located on the same side of the brake disc 101.
In some embodiments, an elastic member (not shown in fig. 1, see fig. 2) is disposed between the magnetic member 111 and the electromagnet 102, one end of the elastic member abuts against the magnetic member 111, and the other end of the elastic member abuts against the electromagnet 102.
In some embodiments, the elastic member includes a compression spring 105, the compression spring 105 is sleeved on the guide rod 103, one end of the compression spring 105 abuts against the magnetic attraction member 111, and the other end of the compression spring 105 abuts against the electromagnet 102.
In some embodiments, the guide rod 103 is fixedly connected with a first stopper 106 and a second stopper 107, the magnetic attraction piece 111 and the electromagnet 102 are located between the first stopper 106 and the second stopper 107, the first stopper 106 abuts against the magnetic attraction piece 111, and the second stopper 107 abuts against the electromagnet 102.
In some embodiments, the compression spring 105 is always in a compressed state.
In some embodiments, the first fixing plate 108 is fixedly connected to the magnetic member 111, and the first brake pad 104 is located between the first fixing plate 108 and the brake disc 101.
In some embodiments, a second brake pad 109 is fixedly attached to the electromagnet 102, and the brake disc 101 is positioned between the first brake pad 104 and the second brake pad 109.
In some embodiments, a second fixing plate 110 is fixedly connected to the electromagnet 102, and the second brake pad 109 is located between the brake disc 101 and the second fixing plate 110.
In the disc-type electromagnetic brake device provided by this embodiment, the magnetic attraction member 111 is an iron block or a steel block, after the coil of the electromagnet 102 is energized, the magnetic attraction member 111 attracts the magnetic attraction member 111 to slide along the guide rod 103, and simultaneously compresses the compression spring 105, the magnetic attraction member 111 drives the first fixing plate 108 and the first brake pad 104 to move in a direction close to the brake disc 101, the first fixing plate 108 is fixedly connected to the first brake pad 104, the second fixing plate 110 is fixedly connected to the second brake pad 109, the first fixing plate 108 is used to increase the connection strength between the first brake pad 104 and the magnetic attraction member 111, the second fixing plate 110 is used to increase the connection strength between the second brake pad 109 and the electromagnet 102, the first brake pad 104 compresses the brake disc 101, meanwhile, the second brake pad 109 compresses the other side of the brake disc 101, the first brake pad 104 and the second brake pad 109 clamp the brake disc 101, and after the electromagnet 102 is de-energized, the compression spring 105 pushes the magnetic member 111 and the electromagnet 102 to move in a direction away from each other until the magnetic member 111 abuts against the first stopper 106 and the electromagnet 102 abuts against the second stopper 107.
The disc type electromagnetic brake device in the embodiment is not limited to be used for an electric vehicle or a battery car, and can also be used for other vehicles with an electric storage device or a power generation device, and the disc type electromagnetic brake device can realize the function of braking by supplying power to the electromagnet 102. The technical scheme of this application simple structure, it is not fragile. The electric transmission speed is fast, the response speed is fast, and the braking distance is short.
The guiding structure is not limited to the guiding rod 103, and guiding may also be performed by a guiding manner of a sliding rail, for example, a guiding groove is formed on the sliding rail, and the sliding block slides along the guiding groove.
As shown in fig. 3 and 4, in another embodiment of the present application, a braking surface is disposed on one surface of the brake disc 101, the braking surface is disposed along an axial direction of the brake disc 101, the braking surface is cylindrical, the first brake pad 104 is cylindrical, one end of the first brake pad 104 is located inside the braking surface, a gap is formed between the first brake pad 104 and the braking surface, a central axis of the first brake pad 104 is parallel to the central axis of the braking surface, the magnetic attraction member 111 is predetermined to be connected to one end of the first brake pad 104 away from the brake disc 101, the guide rod 103 is disposed in a direction perpendicular to the central axis of the braking surface, the magnetic attraction member 111 is slidably connected to the guide rod 103, the electromagnet 102 is located outside the braking surface, the electromagnet 102 is fixedly connected to the guide rod 103, the compression spring 105 is sleeved on the guide rod 103, one end of the compression spring 105 is fixedly connected to the electromagnet 102, and the other end of the compression spring 105 is fixedly connected to the magnetic attraction member 111. The electromagnet 102 and the guide rod 103 are fixedly connected with the vehicle body, in the working process, the magnetism of the electromagnet 102 is increased after the electromagnet is electrified, the magnetic attraction piece 111 slides along the guide rod 103 towards the direction close to the electromagnet 102, and the first brake pad 104 is driven to move to be pressed on a braking surface, so that braking is realized.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a disk electromagnetic brake device, its characterized in that, includes brake disc, friction spare, guide, electro-magnet and magnetism and inhales the piece, the friction spare with magnetism is inhaled a fixed connection, magnetism inhale the piece with guide sliding connection, the electro-magnet is used for attracting magnetism is inhaled the piece court and is close to the direction motion of brake disc, magnetism is inhaled the piece court and is close to can drive behind the direction motion of brake disc the friction spare extrusion the brake disc.
2. The disc-type electromagnetic brake device according to claim 1, wherein the guide member includes a guide rod, the magnetic member is slidably connected to the guide rod, the electromagnet and the magnetic member are respectively located on both sides of the brake disc, and the friction member and the magnetic member are located on the same side of the brake disc.
3. The disc-type electromagnetic brake device according to claim 2, wherein the friction member includes a first brake pad, the first brake pad is fixedly connected to the magnetic member, and the first brake pad and the magnetic member are located on the same side of the brake disc.
4. A disc-type electromagnetic brake apparatus according to claim 3, wherein an elastic member is provided between the magnetic attraction member and the electromagnet, one end of the elastic member abuts against the magnetic attraction member, and the other end of the elastic member abuts against the electromagnet.
5. The disc-type electromagnetic brake device according to claim 4, wherein the elastic member includes a compression spring, the compression spring is sleeved on the guide rod, one end of the compression spring abuts against the magnetic attraction member, and the other end of the compression spring abuts against the electromagnet.
6. The disc type electromagnetic brake device according to claim 5, wherein the guide rod is fixedly connected with a first stopper and a second stopper, the magnetic attraction member and the electromagnet are located between the first stopper and the second stopper, the first stopper abuts against the magnetic attraction member, and the second stopper abuts against the electromagnet.
7. The disc electromagnetic brake apparatus according to claim 6, characterized in that the compression spring is always in a compressed state.
8. The disc type electromagnetic brake device according to claim 7, wherein a first fixing plate is fixedly connected to the magnetic member, the first brake pad is located between the first fixing plate and the brake disc, and the first fixing plate is fixedly connected to the first brake pad.
9. The disc electromagnetic brake device of claim 8, wherein a second brake pad is fixedly attached to the electromagnet, and the brake disc is positioned between the first brake pad and the second brake pad.
10. The disc type electromagnetic brake device according to claim 9, wherein a second fixing plate is fixedly connected to the electromagnet, the second brake pad is located between the brake disc and the second fixing plate, and the second fixing plate is fixedly connected to the second brake pad.
CN202110826308.1A 2021-07-21 2021-07-21 Disc type electromagnetic brake device Pending CN113550990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110826308.1A CN113550990A (en) 2021-07-21 2021-07-21 Disc type electromagnetic brake device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110826308.1A CN113550990A (en) 2021-07-21 2021-07-21 Disc type electromagnetic brake device

Publications (1)

Publication Number Publication Date
CN113550990A true CN113550990A (en) 2021-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110826308.1A Pending CN113550990A (en) 2021-07-21 2021-07-21 Disc type electromagnetic brake device

Country Status (1)

Country Link
CN (1) CN113550990A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2504602A1 (en) * 2009-11-24 2012-10-03 Federica Muratori A magnetic braking device
WO2015093751A1 (en) * 2013-12-16 2015-06-25 (주)엠아이케이테크 Direct operation-type electromagnetic brake system
CN106050994A (en) * 2016-04-22 2016-10-26 江苏苏体运动科技有限公司 Anti-locking frictionless brake device for car
CN206582259U (en) * 2017-01-24 2017-10-24 冠山(上海)汽车科技有限公司 A kind of brake of electric vehicle structure
CN208053321U (en) * 2018-04-16 2018-11-06 梧州学院 A kind of brake gear for electric vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2504602A1 (en) * 2009-11-24 2012-10-03 Federica Muratori A magnetic braking device
WO2015093751A1 (en) * 2013-12-16 2015-06-25 (주)엠아이케이테크 Direct operation-type electromagnetic brake system
CN106050994A (en) * 2016-04-22 2016-10-26 江苏苏体运动科技有限公司 Anti-locking frictionless brake device for car
CN206582259U (en) * 2017-01-24 2017-10-24 冠山(上海)汽车科技有限公司 A kind of brake of electric vehicle structure
CN208053321U (en) * 2018-04-16 2018-11-06 梧州学院 A kind of brake gear for electric vehicle

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Application publication date: 20211026