WO2018041200A1 - 一种转动式片层结构制动器 - Google Patents

一种转动式片层结构制动器 Download PDF

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Publication number
WO2018041200A1
WO2018041200A1 PCT/CN2017/099850 CN2017099850W WO2018041200A1 WO 2018041200 A1 WO2018041200 A1 WO 2018041200A1 CN 2017099850 W CN2017099850 W CN 2017099850W WO 2018041200 A1 WO2018041200 A1 WO 2018041200A1
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WIPO (PCT)
Prior art keywords
base
locking piece
end plate
sheet structure
movable portion
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PCT/CN2017/099850
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English (en)
French (fr)
Inventor
徐凯
刘欢
戴正晨
赵江然
阳志雄
张兆宇
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北京术锐技术有限公司
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Application filed by 北京术锐技术有限公司 filed Critical 北京术锐技术有限公司
Publication of WO2018041200A1 publication Critical patent/WO2018041200A1/zh

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    • 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
    • F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
    • F16D55/26—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
    • F16D55/36—Brakes with a plurality of rotating discs all lying side by side
    • 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
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction 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
    • F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake

Definitions

  • the present invention relates to a brake, and more particularly to a rotary sheet structure brake.
  • Brakes are widely used in the industrial field, for example for braking and locking of electric machines.
  • common brakes usually adopt a method of increasing the forward pressing force.
  • the common electromagnetic brake as an example, in order to increase the forward pressing force, it is necessary to increase the weight and volume of the brake by increasing the number of coil turns and increasing the volume of the iron core, and the energy consumption of the brake is also increased, so that the application range is restricted.
  • a rotary sheet structure brake comprising: a fixing portion including a base and an end plate, the base and the end plate being fixedly connected by a guide rod; a connecting portion for connecting with an external rotating shaft to be locked; a movable portion between the connecting portion and the base; and a locking piece group located between the movable portion and the end plate
  • the locking piece set includes a plurality of rotor locking pieces and a plurality of stator locking pieces, the rotor locking pieces are axially slidable and circumferentially non-rotatably sleeved on the connecting portion, the stator a locking piece slidably sleeved on the guiding rod, the stator locking piece and the rotor locking piece are arranged in a staggered arrangement; and a driving mechanism disposed on the base and having a telescopic At the output end, the output end of the drive mechanism is fastened to the movable portion.
  • the driving mechanism comprises a core, a coil and an elastic element, and the core is provided Positioned on the base, the coil is wound on the iron core; one end of the elastic member is fixedly connected to the base, the other end is fixedly connected to the movable portion; and the movable portion is iron sheet.
  • the resilient element is a spring.
  • the connecting portion is a coupling
  • the rotary sheet structure brake is provided with a plurality of the guide rods, and the plurality of guide rods are spaced apart between the base and the end plate.
  • the guide bar includes a screw and a spacer sleeve, the spacer sleeve is disposed between the base and the end plate, and the screw passes through the end plate and the spacer sleeve Screw on the base.
  • the present invention also provides a rotary sheet structure brake, comprising: a fixing portion including a base and an end plate, the base and the end plate being fixedly connected by a guide rod; and a connecting portion for An external component to be locked is connected; a locking piece set is located between the base and the end plate, the locking piece set includes a plurality of rotor locking pieces and a plurality of stator locking pieces, a rotor locking piece is disposed on the connecting portion, the stator locking piece is disposed on the guiding rod, the stator locking piece and the rotor locking piece are arranged in a staggered manner; and a driving mechanism is disposed On the base and having an output, the output of the drive mechanism is associated with the set of locking tabs to drive the set of locking tabs.
  • the rotor locking piece is circumferentially non-rotatably sleeved on the connecting portion, and the stator locking piece is sleeved on the guiding rod.
  • the rotary laminated structure brake further includes a movable portion, the movable portion is located between the connecting portion and the base, and the locking piece set is further located at the movable portion and Between the end plates, and the drive mechanism can drive the movable portion to move, and the movable portion drives the locking piece group to move.
  • the driving mechanism comprises a core, a coil and an elastic element, the core is mounted in the base, the coil is wound on the iron core, and one end of the elastic element is The base is fixedly connected, the other end is associated with the movable portion, and the movable portion is an iron piece; or the drive mechanism has a hydraulic push rod capable of driving the movable portion to move.
  • the invention adopts the above technical solutions, and has the following advantages: 1. Compared with the existing brakes, the invention does not need to increase the volume or energy consumption of the brake, but the locking force can be multiplied in multiples. If you want to continue to increase the locking force, you only need to increase the number of rotor locking pieces and stator locking pieces. 2. The invention not only has reliable work performance, but also has simple structure, low cost and practical value.
  • Figure 1 is a schematic view showing the entire structure of the present invention.
  • the present invention proposes a rotary sheet structure brake comprising a fixing portion 1, a connecting portion 2, a movable portion 3, a locking piece group 4, and a driving mechanism 5.
  • the fixing portion includes a base 11 and an end plate 12, and the base 11 and the end plate 12 are fixedly connected by a guide rod 13;
  • the connecting portion 2 is for connecting with an external rotating shaft to be locked, which may be a coupling,
  • the coupling is provided with a set screw 21 for connecting with the external rotating shaft;
  • the movable part 3 is located between the connecting part 2 and the base 11;
  • the locking piece set 4 is located between the movable part 3 and the end plate 12, and the locking piece
  • the group 4 includes a plurality of rotor locking pieces 41 and a plurality of stator locking pieces 42.
  • the rotor locking pieces 41 are axially slidable and circumferentially non-rotatably sleeved on the connecting portion 2, and the stator locking piece 42 is slidably
  • the stator locking piece 42 and the rotor locking piece 41 are arranged in a staggered arrangement;
  • the driving mechanism 5 is disposed on the base 11 and has a retractable output end, and the output end of the driving mechanism 5 and the movable part 3 fasten the connection.
  • the present invention has two working states of locking and unlocking.
  • the output end of the driving mechanism 5 is extended and the locking piece set 4 is pressed by the movable portion 3, the rotor locking pieces 41 and the stator locking piece 42 are mutually connected.
  • the pressing generates a frictional force, thereby locking the connecting portion 2, so that the connecting portion 2 cannot be rotated, and the brake of the present invention is in a locked state;
  • the output end of the driving mechanism 5 is retracted, the rotor locking pieces 41 and The stator locking pieces 42 are no longer in pressure with each other, so that the frictional force also disappears, so that the connecting portion 2 can be freely rotated, and the brake of the present invention is in an unlocked state.
  • the driving mechanism 5 may adopt an electromagnet structure including an iron core 51, a coil 52 and an elastic member 53, wherein the iron core 51 is integrally disposed on the base 11, and the coil 52 is wound around the iron core 51, and the elastic member 53 One end is fixedly connected to the base 11 and the other end is fixedly connected to the movable portion 3.
  • the spring element 53 is preferably a spring.
  • the movable portion 3 is an iron piece.
  • the invention is in an unlocked state; when the coil 52 is de-energized, the attraction of the iron core 51 to the iron piece disappears, and the iron piece presses the locking piece group 4 under the elastic force of the elastic member 53, and the invention is locked at this time. status.
  • the drive mechanism 5 can also employ a hydraulic push rod.
  • a plurality of guide bars 13 are disposed between the base 11 and the end plate 12 at intervals.
  • the guide rod 13 includes a screw 131 and a spacer sleeve 132, wherein the spacer sleeve 132 is disposed between the base 11 and the end plate 12, and the screw 131 passes through the end plate 12 and the spacer sleeve 132 and is screwed onto the base 11 .
  • the stator locking piece 42 is sleeved on the spacer sleeve.

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

Abstract

一种转动式片层结构制动器，包括：固定部（1），其包括基座（11）和端板（12），基座（11）与端板（12）通过导杆（13）固定连接；连接部（2），其用于与外部待锁紧的转轴连接；活动部（3），其位于连接部（2）与基座（11）之间；锁紧片组（4），其位于活动部（3）与端板（12）之间，锁紧片组（4）包括多个转子锁紧片（41）和多个定子锁紧片（42），转子锁紧片（41）轴向可滑动、周向不可转动地套设在连接部（2）上，定子锁紧片（42）可滑动地套设在导杆（13）上，定子锁紧片（42）与转子锁紧片（41）呈交错叠加布置；以及驱动机构（5），其设置在基座（11）上且具有可伸缩的输出端，驱动机构（5）的输出端与活动部（3）紧固连接。

Description

一种转动式片层结构制动器
相关申请的交叉引用
本专利申请要求于2016年8月31日提交的、申请号为201610796041.5、发明名称为“一种转动式片层结构制动器”的中国专利申请的优先权，上述申请的全文以引用的方式并入本文中。
技术领域
本发明涉及一种制动器，特别涉及一种转动式片层结构制动器。
背景技术
制动器在工业领域中被广泛应用，例如用于电机的制动和锁定。常见的制动器为了实现较大的锁紧力，通常采用增大正向压紧力的方式。以常见的电磁制动器为例，为了增大正向压紧力，需要通过增加线圈圈数、加大铁芯体积等方式，造成制动器重量、体积大幅增加，同时制动器的能耗也上升，使得应用范围受到限制。
发明内容
针对上述问题，本发明的一个目的是提供一种转动式片层结构制动器，该制动器在不增加体积和能耗的情况下能够产生更大的锁紧力。
为实现上述目的，本发明采用以下技术方案：一种转动式片层结构制动器，其包括：固定部，其包括基座和端板，所述基座与所述端板通过导杆固定连接；连接部，其用于与外部待锁紧的转轴连接；活动部，其位于所述连接部与所述基座之间；锁紧片组，其位于所述活动部与所述端板之间，所述锁紧片组包括多个转子锁紧片和多个定子锁紧片，所述转子锁紧片轴向可滑动、周向不可转动地套设在所述连接部上，所述定子锁紧片可滑动地套设在所述导杆上，所述定子锁紧片与所述转子锁紧片呈交错叠加布置；以及驱动机构，其设置在所述基座上且具有可伸缩的输出端，所述驱动机构的所述输出端与所述活动部紧固连接。
一优选实施例中，所述驱动机构包括铁芯、线圈和弹性元件，所述铁芯设 置在所述基座上，所述线圈缠绕在所述铁芯上；所述弹性元件的一端与所述基座固定连接，另一端与所述活动部固定连接；以及所述活动部为铁片。
一优选实施例中，所述弹性元件为弹簧。
一优选实施例中，所述连接部为联轴器。
一优选实施例中，所述转动式片层结构制动器设有多个所述导杆，多个所述导杆间隔分布于所述基座与所述端板之间。
一优选实施例中，所述导杆包括螺钉和间隔套，所述间隔套设置在所述基座与所述端板之间，以及所述螺钉穿过所述端板和所述间隔套后旋紧在所述基座上。
本发明还提供了一种转动式片层结构制动器，其包括：固定部，其包括基座和端板，所述基座与所述端板通过导杆固定连接；连接部，其用于与外部待锁紧的构件连接；锁紧片组，其位于所述基座与所述端板之间，所述锁紧片组包括多个转子锁紧片和多个定子锁紧片，所述转子锁紧片设在所述连接部上，所述定子锁紧片设在所述导杆上，所述定子锁紧片与所述转子锁紧片呈交错叠加布置；以及驱动机构，其设置在所述基座上且具有输出端，所述驱动机构的所述输出端与所述锁紧片组关联以驱动所述锁紧片组运动。
一优选实施例中，所述转子锁紧片周向不可转动地套设在所述连接部上，以及所述定子锁紧片套设在所述导杆上。
一优选实施例中，所述转动式片层结构制动器进一步包括活动部，所述活动部位于所述连接部与所述基座之间，且所述锁紧片组进一步位于所述活动部与所述端板之间，以及所述驱动机构能够驱动所述活动部运动，进而所述活动部驱动所述锁紧片组运动。
一优选实施例中，所述驱动机构包括铁芯、线圈和弹性元件，所述铁芯安装于所述基座内，所述线圈缠绕在所述铁芯上，所述弹性元件的一端与所述基座固定连接，另一端与所述活动部关联，且所述活动部为铁片；或者所述驱动机构具有液压推杆，所述液压推杆能够驱使所述活动部运动。
本发明由于采取以上技术方案，其具有以下优点：1、本发明与现有的制动器相比，不需要增大制动器的体积或者能耗，但是锁紧力却可以成倍地增大，此外，如果想要继续增大锁紧力，只需要增加转子锁紧片和定子锁紧片的数量即可。2、本发明不仅工作性能可靠，而且结构简单、成本低，具有实用价值。
附图说明
图1是本发明的整体结构示意图。
具体实施方式
下面结合附图和实施例对本发明进行详细的描述。
如图1所示，本发明提出了一种转动式片层结构制动器，它包括固定部1、连接部2、活动部3、锁紧片组4和驱动机构5。其中，固定部包括基座11和端板12，基座11与端板12通过导杆13固定连接；连接部2用于与外部待锁紧的转轴连接，其可以是一个联轴器，在联轴器上设置有用于与外部转轴连接的紧定螺钉21；活动部3位于连接部2与基座11之间；锁紧片组4位于活动部3与端板12之间，锁紧片组4包括多个转子锁紧片41和多个定子锁紧片42，转子锁紧片41轴向可滑动、周向不可转动地套设在连接部2上，定子锁紧片42可滑动地套设在导杆13上，定子锁紧片42与转子锁紧片41呈交错叠加布置；驱动机构5设置在基座11上且具有可伸缩的输出端，驱动机构5的输出端与活动部3紧固连接。
本发明具有锁紧和解锁两种工作状态，当驱动机构5的输出端伸出而通过活动部3压紧锁紧片组4时，各转子锁紧片41和定子锁紧片42之间相互压紧产生摩擦力，从而锁紧连接部2，使连接部2不能够发生转动，此时本发明制动器处于锁紧状态；当驱动机构5的输出端缩回时，各转子锁紧片41和定子锁紧片42之间相互不再具有压力，致使摩擦力也消失，从而使连接部2可以自由转动，此时本发明制动器处于解锁状态。
进一步地，驱动机构5可以采用电磁铁结构，其包括铁芯51、线圈52和弹性元件53，其中，铁芯51一体设置在基座11上，线圈52缠绕在铁芯51上，弹性元件53的一端与基座11固定连接，另一端与活动部3固定连接。弹性元件53优选采用弹簧。与电磁铁结构相适应地，活动部3为铁片。当电磁铁结构的线圈52通电时，铁芯51对铁片产生吸引力(需大于弹性元件53的弹力)，使得铁片向铁芯51移动，从而锁紧片组4处于放松状态，此时本发明处于解锁状态；当线圈52断电时，铁芯51对铁片的吸引力消失，铁片在弹性元件53的弹力的作用下压紧锁紧片组4，此时本发明处于锁紧状态。
进一步地，驱动机构5也可以采用液压推杆。
进一步地，导杆13为多个，间隔分布于基座11与端板12之间。
进一步地，导杆13包括螺钉131和间隔套132，其中，间隔套132设置在基座11与端板12之间，螺钉131穿过端板12和间隔套132后旋紧在基座11上。定子锁紧片42套设于所述间隔套上。
本发明仅以上述实施例进行说明，各部件的结构、设置位置及其连接都是可以有所变化的。在本发明技术方案的基础上，凡根据本发明原理对个别部件进行的改进或等同变换，均不应排除在本发明的保护范围之外。

Claims (10)

  1. 一种转动式片层结构制动器，其特征在于，包括：
    固定部，其包括基座和端板，所述基座与所述端板通过导杆固定连接；
    连接部，其用于与外部待锁紧的转轴连接；
    活动部，其位于所述连接部与所述基座之间；
    锁紧片组，其位于所述活动部与所述端板之间，所述锁紧片组包括多个转子锁紧片和多个定子锁紧片，所述转子锁紧片轴向可滑动、周向不可转动地套设在所述连接部上，所述定子锁紧片可滑动地套设在所述导杆上，所述定子锁紧片与所述转子锁紧片呈交错叠加布置；以及
    驱动机构，其设置在所述基座上且具有可伸缩的输出端，所述驱动机构的所述输出端与所述活动部紧固连接。
  2. 如权利要求1所述的一种转动式片层结构制动器，其特征在于，所述驱动机构包括铁芯、线圈和弹性元件，所述铁芯与所述基座呈一体设置，所述线圈缠绕在所述铁芯上；所述弹性元件的一端与所述基座固定连接，另一端与所述活动部固定连接；以及所述活动部为铁片。
  3. 如权利要求2所述的一种转动式片层结构制动器，其特征在于，所述弹性元件为弹簧。
  4. 如权利要求1所述的一种转动式片层结构制动器，其特征在于，所述连接部为联轴器。
  5. 如权利要求1所述的一种转动式片层结构制动器，其特征在于，所述转动式片层结构制动器设有多个所述导杆，多个所述导杆间隔分布于所述基座与所述端板之间。
  6. 如权利要求1所述的一种转动式片层结构制动器，其特征在于，所述导杆包括螺钉和间隔套，所述间隔套设置在所述基座与所述端板之间，所述螺钉穿过所述端板和所述间隔套后旋紧在所述基座上。
  7. 一种转动式片层结构制动器，其特征在于，包括：
    固定部，其包括基座和端板，所述基座与所述端板通过导杆固定连接；
    连接部，其用于与外部待锁紧的构件连接；
    锁紧片组，其位于所述基座与所述端板之间，所述锁紧片组包括多个转子锁紧片和多个定子锁紧片，所述转子锁紧片设在所述连接部上，所述定子锁紧 片设在所述导杆上，所述定子锁紧片与所述转子锁紧片呈交错叠加布置；以及
    驱动机构，其设置在所述基座上且具有输出端，所述驱动机构的所述输出端与所述锁紧片组关联以驱动所述锁紧片组运动。
  8. 如权利要求7所述的一种转动式片层结构制动器，其特征在于，所述转子锁紧片周向不可转动地套设在所述连接部上，以及所述定子锁紧片套设在所述导杆上。
  9. 如权利要求7所述的一种转动式片层结构制动器，其特征在于，所述转动式片层结构制动器进一步包括活动部，所述活动部位于所述连接部与所述基座之间，且所述锁紧片组进一步位于所述活动部与所述端板之间，以及所述驱动机构能够驱动所述活动部运动，进而所述活动部驱动所述锁紧片组运动。
  10. 如权利要求9所述的一种转动式片层结构制动器，其特征在于，所述驱动机构包括铁芯、线圈和弹性元件，所述铁芯安装于所述基座内，所述线圈缠绕在所述铁芯上，所述弹性元件的一端与所述基座固定连接，另一端与所述活动部关联，且所述活动部为铁片；或者所述驱动机构具有液压推杆，所述液压推杆能够驱使所述活动部运动。
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